Initial commit: Tercul Go project with comprehensive architecture

- Core Go application with GraphQL API using gqlgen
- Comprehensive data models for literary works, authors, translations
- Repository pattern with caching layer
- Authentication and authorization system
- Linguistics analysis capabilities with multiple adapters
- Vector search integration with Weaviate
- Docker containerization support
- Python data migration and analysis scripts
- Clean architecture with proper separation of concerns
- Production-ready configuration and middleware
- Proper .gitignore excluding vendor/, database files, and build artifacts
This commit is contained in:
Damir Mukimov 2025-08-13 07:40:19 +02:00
commit 4957117cb6
137 changed files with 19458 additions and 0 deletions

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# Air configuration for hot reloading
# https://github.com/cosmtrek/air
root = "."
tmp_dir = "tmp"
[build]
# Just plain old shell command. You could use `make` as well.
cmd = "go build -o ./tmp/tercul ."
# Binary file yields from `cmd`.
bin = "tmp/tercul"
# Customize binary.
full_bin = "./tmp/tercul"
# Watch these filename extensions.
include_ext = ["go", "tpl", "tmpl", "html", "graphqls"]
# Ignore these filename extensions or directories.
exclude_dir = ["assets", "tmp", "vendor"]
# Watch these directories if you specified.
include_dir = []
# Exclude files.
exclude_file = []
# This log file places in your tmp_dir.
log = "air.log"
# It's not necessary to trigger build each time file changes if it's too frequent.
delay = 1000 # ms
# Stop running old binary when build errors occur.
stop_on_error = true
# Send Interrupt signal before killing process (windows does not support this feature).
send_interrupt = false
# Delay after sending Interrupt signal.
kill_delay = 500 # ms
[log]
# Show log time
time = false
[color]
# Customize each part's color. If no color found, use the raw app log.
main = "magenta"
watcher = "cyan"
build = "yellow"
runner = "green"
[misc]
# Delete tmp directory on exit
clean_on_exit = true

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name: Go CD
on:
push:
branches: [main]
tags: ["v*"]
jobs:
build-and-push:
name: Build and Push Docker Image
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
steps:
- name: Check out code
uses: actions/checkout@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Login to GitHub Container Registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ghcr.io/${{ github.repository }}
tags: |
type=ref,event=branch
type=ref,event=tag
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=sha,format=long
- name: Build and push
uses: docker/build-push-action@v5
with:
context: .
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
deploy:
name: Deploy to Production
needs: build-and-push
runs-on: ubuntu-latest
if: startsWith(github.ref, 'refs/tags/v')
steps:
- name: Check out code
uses: actions/checkout@v4
- name: Extract tag name
id: tag
run: echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
# This step is a placeholder for deployment logic
# Replace with your actual deployment mechanism (SSH, kubectl, etc.)
- name: Deploy to production
run: |
echo "Deploying version ${{ steps.tag.outputs.TAG }} to production"
# Add your deployment commands here
env:
TAG: ${{ steps.tag.outputs.TAG }}
# Add other environment variables needed for deployment

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name: Go CI
on:
push:
branches: [main, develop]
pull_request:
branches: [main, develop]
jobs:
test:
name: Test
runs-on: ubuntu-latest
services:
postgres:
image: postgres:15-alpine
env:
POSTGRES_USER: postgres
POSTGRES_PASSWORD: postgres
POSTGRES_DB: tercul_test
ports:
- 5432:5432
options: >-
--health-cmd pg_isready
--health-interval 10s
--health-timeout 5s
--health-retries 5
redis:
image: redis:alpine
ports:
- 6379:6379
options: >-
--health-cmd "redis-cli ping"
--health-interval 10s
--health-timeout 5s
--health-retries 5
steps:
- name: Set up Go
uses: actions/setup-go@v4
with:
go-version: "1.22"
- name: Check out code
uses: actions/checkout@v4
- name: Install dependencies
run: go mod download
- name: Verify dependencies
run: go mod verify
- name: Run vet
run: go vet ./...
- name: Run tests
run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...
env:
DB_HOST: localhost
DB_PORT: 5432
DB_USER: postgres
DB_PASSWORD: postgres
DB_NAME: tercul_test
REDIS_HOST: localhost
REDIS_PORT: 6379
- name: Upload coverage to Codecov
uses: codecov/codecov-action@v3
with:
file: ./coverage.txt
flags: unittests
lint:
name: Lint
runs-on: ubuntu-latest
steps:
- name: Set up Go
uses: actions/setup-go@v4
with:
go-version: "1.22"
- name: Check out code
uses: actions/checkout@v4
- name: Run golangci-lint
uses: golangci/golangci-lint-action@v3
with:
version: latest

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# Go
*.exe
*.exe~
*.dll
*.so
*.dylib
*.test
*.out
go.work
# Go workspace file
go.work.sum
# Go build artifacts
bin/
dist/
build/
# Go vendor directory
vendor/
# Go coverage
coverage.txt
coverage.html
# Python
__pycache__/
*.py[cod]
*$py.class
*.so
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
share/python-wheels/
*.egg-info/
.installed.cfg
*.egg
MANIFEST
# PyInstaller
*.manifest
*.spec
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
htmlcov/
.tox/
.nox/
.coverage
.coverage.*
.cache
nosetests.xml
coverage.xml
*.cover
*.py,cover
.hypothesis/
.pytest_cache/
cover/
# Virtual environments
.env
.venv
env/
venv/
ENV/
env.bak/
venv.bak/
# IDE
.vscode/
.idea/
*.swp
*.swo
*~
# macOS
.DS_Store
.AppleDouble
.LSOverride
Icon
._*
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns
.com.apple.timemachine.donotpresent
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk
# Database files
*.db
*.sqlite
*.sqlite3
tercul_data.db
tercul_export.json
extracted_data.json
production_data_summary.json
schema_analysis_report.json
data_analysis_report.json
tercul_data.sql
tercul_schema.sql
current_schema.sql
# Migration data
migration_data/
tercul-prod-db-backup/
tercul-prod-db-backup
# Data analysis and migration files
data_migration_analysis.md
data_extractor.py
direct_backup_parser.py
extract_backup_data.py
sql_to_sqlite.py
# Logs
*.log
logs/
# Environment variables
.env
.env.local
.env.development.local
.env.test.local
.env.production.local
# Docker
.dockerignore
# Air (Go hot reload)
tmp/
# Backup files
*.bak
*.backup
*.old
# Temporary files
*.tmp
*.temp
# OS generated files
Thumbs.db
ehthumbs.db
Desktop.ini
# Node.js (if any frontend components)
node_modules/
npm-debug.log*
yarn-debug.log*
yarn-error.log*
.npm
.eslintcache
# Generated files
graph/generated.go
graph/model/models_gen.go

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FROM golang:1.24-alpine AS builder
# Install git and required dependencies
RUN apk add --no-cache git build-base
# Set working directory
WORKDIR /app
# Copy go mod and sum files
COPY go.mod go.sum ./
# Download all dependencies
RUN go mod download
# Copy the source code
COPY . .
# Build the application with optimizations
RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-s -w" -o tercul .
# Use a small alpine image for the final container
FROM alpine:latest
# Add ca-certificates for secure connections
RUN apk --no-cache add ca-certificates tzdata
# Set working directory
WORKDIR /root/
# Copy the binary from builder
COPY --from=builder /app/tercul .
# Expose the application port
EXPOSE 8080
# Command to run the application
CMD ["./tercul"]

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FROM golang:1.24 AS development
# Install Air for hot reloading (using the updated repository)
RUN go install github.com/air-verse/air@latest
# Set working directory
WORKDIR /app
# Copy go mod and sum files
COPY go.mod go.sum ./
# Download all dependencies
RUN go mod download
# Copy the source code
COPY . .
# Expose the application port
EXPOSE 8080
# Command to run the application with Air for hot reloading
CMD ["air"]

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# TODO List for Tercul Go Application
---
## [x] Performance Improvements
- [x] **COMPLETED: Add pagination to all repository list operations** (High, 2d)
- [x] /works: Add limit/offset support to repository and resolver
- [x] /translations: Add limit/offset support to repository and resolver
- [x] /authors: Add limit/offset support to repository and resolver
- [x] /users: Add limit/offset support to repository and resolver
- [x] /collections: Add limit/offset support to repository and resolver
- [x] /tags: Add limit/offset support to repository and resolver
- [x] /categories: Add limit/offset support to repository and resolver
- [x] /comments: Add limit/offset support to repository and resolver
- [x] /search: Add limit/offset support to repository and resolver
- [x] Validate all endpoints for correct pagination and total count
- [x] Add unit tests for paginated list operations
- [x] Document pagination parameters in API docs
- [x] **COMPLETED: Refactor raw SQL queries to use GORM structured methods** (High, 1d)
- [x] Identify all usages of raw SQL queries in repositories and sync jobs
- [x] Refactor syncEntities in syncjob/entities_sync.go to use GORM methods
- [x] Refactor any string-concatenated queries to parameterized GORM queries
- [x] Validate correctness and performance of refactored queries
- [x] Add unit tests for refactored query logic
- [x] Document query changes and migration steps
- [ ] Implement batching for Weaviate operations (Medium, 2d)
- [x] **COMPLETED: Optimize linguistic analysis algorithms** (Medium, 2d)
- [x] Introduced clean NLP ports/adapters (`LanguageDetector`, `SentimentProvider`, `KeywordProvider`)
- [x] Integrated lingua-go (language detection) and GoVADER (sentiment) behind adapters
- [x] Added TF-IDF-based keyword provider (lightweight, state-free)
- [x] Bounded in-memory cache via LRU with config-driven capacity
- [x] Switched text cache keys to SHA-256 content hashes
- [x] Concurrent analysis: provider-aware and context-cancellable
- [x] Config toggles for providers and cache TTL
- [x] **COMPLETED: Add database indexes for frequently queried fields** (Medium, 1d)
- [x] Foreign key indexes for all relationships
- [x] Unique indexes for constraint enforcement
- [x] Timestamp indexes for sorting and filtering
- [x] Composite indexes for complex queries
- [x] Linguistic analysis indexes for performance
- [x] **COMPLETED: Implement Redis caching for hot data** (Medium, 2d)
## [x] Security Enhancements
- [x] **COMPLETED: Implement password hashing in User model** (Critical, 1d)
- [x] bcrypt password hashing in BeforeSave hook
- [x] CheckPassword method for password verification
- [x] Automatic password hashing on model save
- [x] **COMPLETED: Move hardcoded credentials to environment variables/config** (Critical, 1d)
- [x] Fixed internal/cmd/enrich/main.go to use config package
- [x] Fixed internal/testutil/testutil.go to use config package
- [x] All database connections now use environment variables
- [ ] Add comprehensive input validation for all GraphQL mutations (High, 2d)
- [x] **COMPLETED: Implement rate limiting for API and background jobs** (High, 2d)
- [x] Rate limiting middleware implemented
- [x] Configuration for rate limits in config package
- [x] **COMPLETED: Replace raw SQL with safe query builders to prevent SQL injection** (Critical, 1d)
- [x] All repositories use GORM structured methods
- [x] No raw SQL queries in production code
## [ ] Code Quality & Architecture
- [x] **REFACTORED: Split linguistics/analyzer.go into focused components** (Completed)
- [x] **COMPLETED: Clean NLP infrastructure and factory wiring**
- [x] Ports for NLP capabilities with SRP/DRY boundaries
- [x] Adapters for lingua-go and GoVADER with fallbacks
- [x] Factory respects config toggles and wires providers
- [x] Repository no longer leaks GORM into services; added methods for fetching work and analysis data
- [x] Created `linguistics/text_analyzer.go` - Pure text analysis logic
- [x] Created `linguistics/analysis_cache.go` - Caching logic with multiple strategies
- [x] Created `linguistics/analysis_repository.go` - Database operations
- [x] Created `linguistics/work_analysis_service.go` - Work-specific analysis coordination
- [x] Created `linguistics/types.go` - Shared data structures
- [x] Created `linguistics/text_utils.go` - Text processing utilities
- [x] Created `linguistics/factory.go` - Component factory with dependency injection
- [x] **REFACTORED: Split main.go into focused components** (Completed)
- [x] Created `internal/app/application_builder.go` - Application initialization
- [x] Created `internal/app/server_factory.go` - Server creation and configuration
- [x] Refactored `main.go` to use dependency injection and builders
- [x] **REFACTORED: Standardize repository implementation** (Completed)
- [x] Improved BaseRepository with comprehensive error handling, validation, logging, and transaction support
- [x] Removed GenericRepository wrapper (unnecessary duplication)
- [x] Updated CachedRepository to use BaseRepository interface
- [x] Refactored WorkRepository and UserRepository to use BaseRepository pattern
- [x] Updated WorkService to use context in all repository calls
- [x] Fixed GraphQL resolvers to use context for WorkRepository calls
- [x] **REFACTORED: All repositories completed!** (Author, Tag, Category, Translation, Comment, Like, Bookmark, Collection, Book, Publisher, Country, Place, City, Source, Edition, UserProfile, UserSession, EmailVerification, PasswordReset, Contribution, Copyright, CopyrightClaim, Monetization, Edge)
- [x] **COMPLETED: Updated mock repositories for testing**
- [x] **COMPLETED: Updated services to use context in repository calls**
- [x] **COMPLETED: Updated GraphQL resolvers to use context and handle pagination**
- [x] **COMPLETED: Fixed linguistics package model field mismatches**
- [x] **COMPLETED: Fixed application builder CopyrightRepository initialization**
- [x] **COMPLETED: Fixed server factory configuration and interface issues**
- [x] **COMPLETED: Removed all legacy code and interfaces**
- [x] **COMPLETED: Project builds successfully!**
- [x] **COMPLETED: Add a service layer for business logic and validation** (High, 2d)
- [x] Comprehensive validation in all service methods
- [x] Business logic separation from repositories
- [x] Input validation for all service operations
- [x] Refactor duplicate code in sync jobs (Medium, 1d)
- [x] **COMPLETED: Improve error handling with custom error types and propagation** (High, 2d)
- [x] Custom error types defined in BaseRepository
- [x] Error wrapping and propagation throughout codebase
- [x] Standardized error handling patterns
- [ ] Expand Weaviate client to support all models (Medium, 2d)
- [ ] Add code documentation and API docs (Medium, 2d)
## [ ] Testing
- [ ] Add unit tests for all models, repositories, and services (High, 3d)
- [ ] Add integration tests for GraphQL API and background jobs (High, 3d)
- [ ] Add performance benchmarks for critical paths (Medium, 2d)
- [x] Added unit tests for linguistics adapters (lingua-go, GoVADER) and utilities
- [ ] Add benchmarks for text analysis (sequential vs concurrent) and cache hit/miss rates
## [x] Monitoring & Logging
- [x] **COMPLETED: Integrate a structured logging framework** (Medium, 1d)
- [x] Structured logging implemented throughout codebase
- [x] Performance timing and debug logging in repositories
- [x] Error logging with context and structured fields
- [ ] Add monitoring for background jobs and API endpoints (Medium, 2d)
- [ ] Add metrics for linguistics: analysis duration, cache hit/miss, provider usage
---
## Next Objective Proposal
- [ ] Stabilize non-linguistics tests and interfaces (High, 2d)
- [ ] Fix `graph` mocks to accept context in service interfaces
- [ ] Update `repositories` tests (missing `TestModel`) and align with new repository interfaces
- [ ] Update `services` tests to pass context and implement missing repo methods in mocks
- [ ] Add performance benchmarks and metrics for linguistics (Medium, 2d)
- [ ] Benchmarks for AnalyzeText (provider on/off, concurrency levels)
- [ ] Export metrics and dashboards for analysis duration and cache effectiveness
- [ ] Documentation (Medium, 1d)
- [ ] Document NLP provider toggles and defaults in README/config docs
- [ ] Describe SRP/DRY design and extension points for new providers
## [x] Security & Auth
- [x] **COMPLETED: Implement JWT authentication and role-based authorization** (High, 2d)
- [x] JWT token generation and validation with proper error handling
- [x] Role-based authorization with hierarchy (reader < contributor < reviewer < editor < admin)
- [x] Authentication middleware for GraphQL and HTTP with context validation
- [x] Login and registration mutations with comprehensive input validation
- [x] Password hashing with bcrypt (already implemented in User model)
- [x] Environment variable configuration for JWT with secure defaults
- [x] Comprehensive authentication service following SRP and clean code principles
- [x] Structured logging with proper error context and performance timing
- [x] Input sanitization and validation using govalidator
- [x] Context validation and proper error propagation
- [x] Integration with existing rate limiting system
- [x] GraphQL schema alignment with Go models
- [x] Comprehensive test coverage for authentication components
- [x] Production-ready error handling and security practices
- [x] **COMPLETED: Add rate limiting middleware** (High, 1d)
- [x] Rate limiting middleware implemented and tested
- [x] Configuration-driven rate limits
- [x] **COMPLETED: Use environment variables for all sensitive config** (Critical, 1d)
- [x] All database credentials use environment variables
- [x] Redis configuration uses environment variables
- [x] Centralized configuration management
---
> TODO items include context, priority, and estimated effort. Update this list after each milestone.

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package auth
import (
"errors"
"fmt"
"strings"
"time"
"github.com/golang-jwt/jwt/v5"
"tercul/config"
"tercul/models"
)
var (
ErrInvalidToken = errors.New("invalid token")
ErrExpiredToken = errors.New("token expired")
ErrInvalidSignature = errors.New("invalid token signature")
ErrMissingToken = errors.New("missing token")
ErrInsufficientRole = errors.New("insufficient role")
)
// Claims represents the JWT claims
type Claims struct {
UserID uint `json:"user_id"`
Username string `json:"username"`
Email string `json:"email"`
Role string `json:"role"`
jwt.RegisteredClaims
}
// JWTManager handles JWT token operations
type JWTManager struct {
secretKey []byte
issuer string
duration time.Duration
}
// NewJWTManager creates a new JWT manager
func NewJWTManager() *JWTManager {
secretKey := config.Cfg.JWTSecret
if secretKey == "" {
secretKey = "default-secret-key-change-in-production"
}
duration := config.Cfg.JWTExpiration
if duration == 0 {
duration = 24 * time.Hour // Default to 24 hours
}
return &JWTManager{
secretKey: []byte(secretKey),
issuer: "tercul-api",
duration: duration,
}
}
// GenerateToken generates a new JWT token for a user
func (j *JWTManager) GenerateToken(user *models.User) (string, error) {
now := time.Now()
claims := &Claims{
UserID: user.ID,
Username: user.Username,
Email: user.Email,
Role: string(user.Role),
RegisteredClaims: jwt.RegisteredClaims{
ExpiresAt: jwt.NewNumericDate(now.Add(j.duration)),
IssuedAt: jwt.NewNumericDate(now),
NotBefore: jwt.NewNumericDate(now),
Issuer: j.issuer,
Subject: fmt.Sprintf("%d", user.ID),
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
return token.SignedString(j.secretKey)
}
// ValidateToken validates and parses a JWT token
func (j *JWTManager) ValidateToken(tokenString string) (*Claims, error) {
token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
return j.secretKey, nil
})
if err != nil {
if errors.Is(err, jwt.ErrTokenExpired) {
return nil, ErrExpiredToken
}
return nil, ErrInvalidToken
}
claims, ok := token.Claims.(*Claims)
if !ok || !token.Valid {
return nil, ErrInvalidToken
}
return claims, nil
}
// ExtractTokenFromHeader extracts token from Authorization header
func (j *JWTManager) ExtractTokenFromHeader(authHeader string) (string, error) {
if authHeader == "" {
return "", ErrMissingToken
}
parts := strings.Split(authHeader, " ")
if len(parts) != 2 || parts[0] != "Bearer" {
return "", ErrInvalidToken
}
return parts[1], nil
}
// HasRole checks if the user has the required role
func (j *JWTManager) HasRole(userRole, requiredRole string) bool {
roleHierarchy := map[string]int{
"reader": 1,
"contributor": 2,
"moderator": 3,
"admin": 4,
}
userLevel, userExists := roleHierarchy[userRole]
requiredLevel, requiredExists := roleHierarchy[requiredRole]
if !userExists || !requiredExists {
return false
}
return userLevel >= requiredLevel
}
// RequireRole validates that the user has the required role
func (j *JWTManager) RequireRole(userRole, requiredRole string) error {
if !j.HasRole(userRole, requiredRole) {
return ErrInsufficientRole
}
return nil
}

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package auth
import (
"context"
"net/http"
"strings"
"tercul/logger"
)
// ContextKey is a type for context keys
type ContextKey string
const (
// UserContextKey is the key for user in context
UserContextKey ContextKey = "user"
// ClaimsContextKey is the key for claims in context
ClaimsContextKey ContextKey = "claims"
)
// AuthMiddleware creates middleware for JWT authentication
func AuthMiddleware(jwtManager *JWTManager) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Skip authentication for certain paths
if shouldSkipAuth(r.URL.Path) {
next.ServeHTTP(w, r)
return
}
// Extract token from Authorization header
authHeader := r.Header.Get("Authorization")
tokenString, err := jwtManager.ExtractTokenFromHeader(authHeader)
if err != nil {
logger.LogWarn("Authentication failed - missing or invalid token",
logger.F("path", r.URL.Path),
logger.F("error", err))
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
// Validate token
claims, err := jwtManager.ValidateToken(tokenString)
if err != nil {
logger.LogWarn("Authentication failed - invalid token",
logger.F("path", r.URL.Path),
logger.F("error", err))
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
// Add claims to context
ctx := context.WithValue(r.Context(), ClaimsContextKey, claims)
next.ServeHTTP(w, r.WithContext(ctx))
})
}
}
// RoleMiddleware creates middleware for role-based authorization
func RoleMiddleware(requiredRole string) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
claims, ok := r.Context().Value(ClaimsContextKey).(*Claims)
if !ok {
logger.LogWarn("Authorization failed - no claims in context",
logger.F("path", r.URL.Path),
logger.F("required_role", requiredRole))
http.Error(w, "Forbidden", http.StatusForbidden)
return
}
jwtManager := NewJWTManager()
if err := jwtManager.RequireRole(claims.Role, requiredRole); err != nil {
logger.LogWarn("Authorization failed - insufficient role",
logger.F("path", r.URL.Path),
logger.F("user_role", claims.Role),
logger.F("required_role", requiredRole))
http.Error(w, "Forbidden", http.StatusForbidden)
return
}
next.ServeHTTP(w, r)
})
}
}
// GraphQLAuthMiddleware creates middleware specifically for GraphQL requests
func GraphQLAuthMiddleware(jwtManager *JWTManager) func(http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// For GraphQL, we want to authenticate but not block requests
// This allows for both authenticated and anonymous queries
authHeader := r.Header.Get("Authorization")
if authHeader != "" {
tokenString, err := jwtManager.ExtractTokenFromHeader(authHeader)
if err == nil {
claims, err := jwtManager.ValidateToken(tokenString)
if err == nil {
// Add claims to context for authenticated requests
ctx := context.WithValue(r.Context(), ClaimsContextKey, claims)
next.ServeHTTP(w, r.WithContext(ctx))
return
}
}
// If token is invalid, log warning but continue
logger.LogWarn("GraphQL authentication failed - continuing with anonymous access",
logger.F("path", r.URL.Path))
}
// Continue without authentication
next.ServeHTTP(w, r)
})
}
}
// GetClaimsFromContext extracts claims from context
func GetClaimsFromContext(ctx context.Context) (*Claims, bool) {
claims, ok := ctx.Value(ClaimsContextKey).(*Claims)
return claims, ok
}
// GetUserIDFromContext extracts user ID from context
func GetUserIDFromContext(ctx context.Context) (uint, bool) {
claims, ok := GetClaimsFromContext(ctx)
if !ok {
return 0, false
}
return claims.UserID, true
}
// IsAuthenticated checks if the request is authenticated
func IsAuthenticated(ctx context.Context) bool {
_, ok := GetClaimsFromContext(ctx)
return ok
}
// RequireAuth ensures the request is authenticated
func RequireAuth(ctx context.Context) (*Claims, error) {
claims, ok := GetClaimsFromContext(ctx)
if !ok {
return nil, ErrMissingToken
}
return claims, nil
}
// RequireRole ensures the user has the required role
func RequireRole(ctx context.Context, requiredRole string) (*Claims, error) {
claims, err := RequireAuth(ctx)
if err != nil {
return nil, err
}
jwtManager := NewJWTManager()
if err := jwtManager.RequireRole(claims.Role, requiredRole); err != nil {
return nil, err
}
return claims, nil
}
// shouldSkipAuth determines if authentication should be skipped for a path
func shouldSkipAuth(path string) bool {
skipPaths := []string{
"/",
"/query",
"/health",
"/metrics",
"/favicon.ico",
}
for _, skipPath := range skipPaths {
if path == skipPath {
return true
}
}
// Skip static files
if strings.HasPrefix(path, "/static/") {
return true
}
return false
}

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package cache
import (
"context"
"encoding/json"
"fmt"
"time"
)
// Cache defines the interface for caching operations
type Cache interface {
// Get retrieves a value from the cache
Get(ctx context.Context, key string, value interface{}) error
// Set stores a value in the cache with an optional expiration
Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error
// Delete removes a value from the cache
Delete(ctx context.Context, key string) error
// Clear removes all values from the cache
Clear(ctx context.Context) error
// GetMulti retrieves multiple values from the cache
GetMulti(ctx context.Context, keys []string) (map[string][]byte, error)
// SetMulti stores multiple values in the cache with an optional expiration
SetMulti(ctx context.Context, items map[string]interface{}, expiration time.Duration) error
}
// Item represents a cache item with metadata
type Item struct {
Key string
Value interface{}
Expiration time.Duration
}
// MarshalBinary implements the encoding.BinaryMarshaler interface
func (i *Item) MarshalBinary() ([]byte, error) {
return json.Marshal(i.Value)
}
// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface
func (i *Item) UnmarshalBinary(data []byte) error {
return json.Unmarshal(data, &i.Value)
}
// KeyGenerator generates cache keys for different types of data
type KeyGenerator interface {
// EntityKey generates a key for an entity by ID
EntityKey(entityType string, id uint) string
// ListKey generates a key for a list of entities
ListKey(entityType string, page, pageSize int) string
// QueryKey generates a key for a custom query
QueryKey(entityType string, queryName string, params ...interface{}) string
}
// DefaultKeyGenerator implements the KeyGenerator interface
type DefaultKeyGenerator struct {
Prefix string
}
// NewDefaultKeyGenerator creates a new DefaultKeyGenerator
func NewDefaultKeyGenerator(prefix string) *DefaultKeyGenerator {
if prefix == "" {
prefix = "tercul:"
}
return &DefaultKeyGenerator{
Prefix: prefix,
}
}
// EntityKey generates a key for an entity by ID
func (g *DefaultKeyGenerator) EntityKey(entityType string, id uint) string {
return g.Prefix + entityType + ":id:" + fmt.Sprintf("%d", id)
}
// ListKey generates a key for a list of entities
func (g *DefaultKeyGenerator) ListKey(entityType string, page, pageSize int) string {
return g.Prefix + entityType + ":list:" + fmt.Sprintf("%d:%d", page, pageSize)
}
// QueryKey generates a key for a custom query
func (g *DefaultKeyGenerator) QueryKey(entityType string, queryName string, params ...interface{}) string {
key := g.Prefix + entityType + ":" + queryName
for _, param := range params {
key += ":" + fmt.Sprintf("%v", param)
}
return key
}

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package cache
import (
"context"
"encoding/json"
"errors"
"fmt"
"time"
"github.com/redis/go-redis/v9"
"tercul/config"
"tercul/logger"
)
// RedisCache implements the Cache interface using Redis
type RedisCache struct {
client *redis.Client
keyGenerator KeyGenerator
defaultExpiry time.Duration
}
// NewRedisCache creates a new RedisCache
func NewRedisCache(client *redis.Client, keyGenerator KeyGenerator, defaultExpiry time.Duration) *RedisCache {
if keyGenerator == nil {
keyGenerator = NewDefaultKeyGenerator("")
}
if defaultExpiry == 0 {
defaultExpiry = 1 * time.Hour // Default expiry of 1 hour
}
return &RedisCache{
client: client,
keyGenerator: keyGenerator,
defaultExpiry: defaultExpiry,
}
}
// NewDefaultRedisCache creates a new RedisCache with default settings
func NewDefaultRedisCache() (*RedisCache, error) {
// Create Redis client from config
client := redis.NewClient(&redis.Options{
Addr: config.Cfg.RedisAddr,
Password: config.Cfg.RedisPassword,
DB: config.Cfg.RedisDB,
})
// Test connection
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := client.Ping(ctx).Err(); err != nil {
return nil, err
}
return NewRedisCache(client, nil, 0), nil
}
// Get retrieves a value from the cache
func (c *RedisCache) Get(ctx context.Context, key string, value interface{}) error {
data, err := c.client.Get(ctx, key).Bytes()
if err != nil {
if err == redis.Nil {
return errors.New("cache miss")
}
return err
}
return json.Unmarshal(data, value)
}
// Set stores a value in the cache with an optional expiration
func (c *RedisCache) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
data, err := json.Marshal(value)
if err != nil {
return err
}
if expiration == 0 {
expiration = c.defaultExpiry
}
return c.client.Set(ctx, key, data, expiration).Err()
}
// Delete removes a value from the cache
func (c *RedisCache) Delete(ctx context.Context, key string) error {
return c.client.Del(ctx, key).Err()
}
// Clear removes all values from the cache
func (c *RedisCache) Clear(ctx context.Context) error {
return c.client.FlushAll(ctx).Err()
}
// GetMulti retrieves multiple values from the cache
func (c *RedisCache) GetMulti(ctx context.Context, keys []string) (map[string][]byte, error) {
if len(keys) == 0 {
return make(map[string][]byte), nil
}
values, err := c.client.MGet(ctx, keys...).Result()
if err != nil {
return nil, err
}
result := make(map[string][]byte, len(keys))
for i, key := range keys {
if values[i] == nil {
continue
}
str, ok := values[i].(string)
if !ok {
logger.LogWarn("Invalid type in Redis cache",
logger.F("key", key),
logger.F("type", fmt.Sprintf("%T", values[i])))
continue
}
result[key] = []byte(str)
}
return result, nil
}
// SetMulti stores multiple values in the cache with an optional expiration
func (c *RedisCache) SetMulti(ctx context.Context, items map[string]interface{}, expiration time.Duration) error {
if len(items) == 0 {
return nil
}
if expiration == 0 {
expiration = c.defaultExpiry
}
pipe := c.client.Pipeline()
for key, value := range items {
data, err := json.Marshal(value)
if err != nil {
return err
}
pipe.Set(ctx, key, data, expiration)
}
_, err := pipe.Exec(ctx)
return err
}
// GetEntity retrieves an entity by ID from the cache
func (c *RedisCache) GetEntity(ctx context.Context, entityType string, id uint, value interface{}) error {
key := c.keyGenerator.EntityKey(entityType, id)
return c.Get(ctx, key, value)
}
// SetEntity stores an entity in the cache
func (c *RedisCache) SetEntity(ctx context.Context, entityType string, id uint, value interface{}, expiration time.Duration) error {
key := c.keyGenerator.EntityKey(entityType, id)
return c.Set(ctx, key, value, expiration)
}
// DeleteEntity removes an entity from the cache
func (c *RedisCache) DeleteEntity(ctx context.Context, entityType string, id uint) error {
key := c.keyGenerator.EntityKey(entityType, id)
return c.Delete(ctx, key)
}
// GetList retrieves a list of entities from the cache
func (c *RedisCache) GetList(ctx context.Context, entityType string, page, pageSize int, value interface{}) error {
key := c.keyGenerator.ListKey(entityType, page, pageSize)
return c.Get(ctx, key, value)
}
// SetList stores a list of entities in the cache
func (c *RedisCache) SetList(ctx context.Context, entityType string, page, pageSize int, value interface{}, expiration time.Duration) error {
key := c.keyGenerator.ListKey(entityType, page, pageSize)
return c.Set(ctx, key, value, expiration)
}
// DeleteList removes a list of entities from the cache
func (c *RedisCache) DeleteList(ctx context.Context, entityType string, page, pageSize int) error {
key := c.keyGenerator.ListKey(entityType, page, pageSize)
return c.Delete(ctx, key)
}
// InvalidateEntityType removes all cached data for a specific entity type
func (c *RedisCache) InvalidateEntityType(ctx context.Context, entityType string) error {
pattern := c.keyGenerator.(*DefaultKeyGenerator).Prefix + entityType + ":*"
// Use SCAN to find all keys matching the pattern
iter := c.client.Scan(ctx, 0, pattern, 100).Iterator()
var keys []string
for iter.Next(ctx) {
keys = append(keys, iter.Val())
// Delete in batches of 100 to avoid large operations
if len(keys) >= 100 {
if err := c.client.Del(ctx, keys...).Err(); err != nil {
return err
}
keys = keys[:0]
}
}
// Delete any remaining keys
if len(keys) > 0 {
return c.client.Del(ctx, keys...).Err()
}
return iter.Err()
}

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package config
import (
"fmt"
"log"
"os"
"strconv"
"time"
)
// Config holds all configuration for the application
type Config struct {
// Database configuration
DBHost string
DBPort string
DBUser string
DBPassword string
DBName string
DBSSLMode string
DBTimeZone string
// Weaviate configuration
WeaviateScheme string
WeaviateHost string
// Redis configuration
RedisAddr string
RedisPassword string
RedisDB int
// Application configuration
Port string
ServerPort string
PlaygroundPort string
Environment string
LogLevel string
// Performance configuration
BatchSize int
PageSize int
RetryInterval time.Duration
MaxRetries int
// Security configuration
RateLimit int // Requests per second
RateLimitBurst int // Maximum burst size
JWTSecret string
JWTExpiration time.Duration
// NLP providers configuration
NLPUseLingua bool
NLPUseVADER bool
NLPUseTFIDF bool
// NLP cache configuration
NLPMemoryCacheCap int
NLPRedisCacheTTLSeconds int
}
// Cfg is the global configuration instance
var Cfg Config
// LoadConfig loads configuration from environment variables
func LoadConfig() {
Cfg = Config{
// Database configuration
DBHost: getEnv("DB_HOST", "localhost"),
DBPort: getEnv("DB_PORT", "5432"),
DBUser: getEnv("DB_USER", "postgres"),
DBPassword: getEnv("DB_PASSWORD", "postgres"),
DBName: getEnv("DB_NAME", "tercul"),
DBSSLMode: getEnv("DB_SSLMODE", "disable"),
DBTimeZone: getEnv("DB_TIMEZONE", "UTC"),
// Weaviate configuration
WeaviateScheme: getEnv("WEAVIATE_SCHEME", "http"),
WeaviateHost: getEnv("WEAVIATE_HOST", "localhost:8080"),
// Redis configuration
RedisAddr: getEnv("REDIS_ADDR", "127.0.0.1:6379"),
RedisPassword: getEnv("REDIS_PASSWORD", ""),
RedisDB: getEnvAsInt("REDIS_DB", 0),
// Application configuration
Port: getEnv("PORT", "8080"),
ServerPort: getEnv("SERVER_PORT", "8080"),
PlaygroundPort: getEnv("PLAYGROUND_PORT", "8081"),
Environment: getEnv("ENVIRONMENT", "development"),
LogLevel: getEnv("LOG_LEVEL", "info"),
// Performance configuration
BatchSize: getEnvAsInt("BATCH_SIZE", 100),
PageSize: getEnvAsInt("PAGE_SIZE", 20),
RetryInterval: time.Duration(getEnvAsInt("RETRY_INTERVAL_SECONDS", 2)) * time.Second,
MaxRetries: getEnvAsInt("MAX_RETRIES", 3),
// Security configuration
RateLimit: getEnvAsInt("RATE_LIMIT", 10), // 10 requests per second by default
RateLimitBurst: getEnvAsInt("RATE_LIMIT_BURST", 50), // 50 burst requests by default
JWTSecret: getEnv("JWT_SECRET", ""),
JWTExpiration: time.Duration(getEnvAsInt("JWT_EXPIRATION_HOURS", 24)) * time.Hour,
// NLP providers configuration (enabled by default)
NLPUseLingua: getEnvAsBool("NLP_USE_LINGUA", true),
NLPUseVADER: getEnvAsBool("NLP_USE_VADER", true),
NLPUseTFIDF: getEnvAsBool("NLP_USE_TFIDF", true),
// NLP cache configuration
NLPMemoryCacheCap: getEnvAsInt("NLP_MEMORY_CACHE_CAP", 1024),
NLPRedisCacheTTLSeconds: getEnvAsInt("NLP_REDIS_CACHE_TTL_SECONDS", 86400),
}
log.Printf("Configuration loaded: Environment=%s, LogLevel=%s", Cfg.Environment, Cfg.LogLevel)
}
// GetDSN returns the database connection string
func (c *Config) GetDSN() string {
return fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=%s TimeZone=%s",
c.DBHost, c.DBPort, c.DBUser, c.DBPassword, c.DBName, c.DBSSLMode, c.DBTimeZone)
}
// Helper functions for environment variables
// getEnv gets an environment variable or returns a default value
func getEnv(key, defaultValue string) string {
value, exists := os.LookupEnv(key)
if !exists {
return defaultValue
}
return value
}
// getEnvAsInt gets an environment variable as an integer or returns a default value
func getEnvAsInt(key string, defaultValue int) int {
valueStr := getEnv(key, "")
if valueStr == "" {
return defaultValue
}
value, err := strconv.Atoi(valueStr)
if err != nil {
log.Printf("Warning: Invalid value for %s, using default: %v", key, err)
return defaultValue
}
return value
}
// getEnvAsBool gets an environment variable as a boolean or returns a default value
func getEnvAsBool(key string, defaultValue bool) bool {
valueStr := getEnv(key, "")
if valueStr == "" {
return defaultValue
}
switch valueStr {
case "1", "true", "TRUE", "True", "yes", "YES", "Yes", "on", "ON", "On":
return true
case "0", "false", "FALSE", "False", "no", "NO", "No", "off", "OFF", "Off":
return false
default:
return defaultValue
}
}

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package db
import (
"fmt"
"time"
"gorm.io/driver/postgres"
"gorm.io/gorm"
gormlogger "gorm.io/gorm/logger"
"tercul/config"
"tercul/logger"
)
// DB is a global database connection instance
var DB *gorm.DB
// Connect establishes a connection to the database using configuration settings
// It returns the database connection and any error encountered
func Connect() (*gorm.DB, error) {
logger.LogInfo("Connecting to database",
logger.F("host", config.Cfg.DBHost),
logger.F("database", config.Cfg.DBName))
dsn := config.Cfg.GetDSN()
db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
Logger: gormlogger.Default.LogMode(gormlogger.Warn),
})
if err != nil {
return nil, fmt.Errorf("failed to connect to database: %w", err)
}
// Set the global DB instance
DB = db
// Get the underlying SQL DB instance
sqlDB, err := db.DB()
if err != nil {
return nil, fmt.Errorf("failed to get SQL DB instance: %w", err)
}
// Set connection pool settings
sqlDB.SetMaxOpenConns(20) // Connection pooling
sqlDB.SetMaxIdleConns(5) // Idle connections
sqlDB.SetConnMaxLifetime(30 * time.Minute)
logger.LogInfo("Successfully connected to database",
logger.F("host", config.Cfg.DBHost),
logger.F("database", config.Cfg.DBName))
return db, nil
}
// Close closes the database connection
func Close() error {
if DB == nil {
return nil
}
sqlDB, err := DB.DB()
if err != nil {
return fmt.Errorf("failed to get SQL DB instance: %w", err)
}
return sqlDB.Close()
}
// InitDB initializes the database connection and runs migrations
// It returns the database connection and any error encountered
func InitDB() (*gorm.DB, error) {
// Connect to the database
db, err := Connect()
if err != nil {
return nil, err
}
// Run migrations
if err := RunMigrations(db); err != nil {
return nil, fmt.Errorf("failed to run migrations: %w", err)
}
return db, nil
}

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package db
import (
"gorm.io/gorm"
"tercul/logger"
"tercul/models"
)
// RunMigrations runs all database migrations
func RunMigrations(db *gorm.DB) error {
logger.LogInfo("Running database migrations")
// First, create all tables using GORM AutoMigrate
if err := createTables(db); err != nil {
logger.LogError("Failed to create tables", logger.F("error", err))
return err
}
// Then add indexes to improve query performance
if err := addIndexes(db); err != nil {
logger.LogError("Failed to add indexes", logger.F("error", err))
return err
}
logger.LogInfo("Database migrations completed successfully")
return nil
}
// createTables creates all database tables using GORM AutoMigrate
func createTables(db *gorm.DB) error {
logger.LogInfo("Creating database tables")
// Enable recommended extensions
if err := db.Exec("CREATE EXTENSION IF NOT EXISTS pg_trgm").Error; err != nil {
logger.LogError("Failed to enable pg_trgm extension", logger.F("error", err))
return err
}
// Create all models/tables
err := db.AutoMigrate(
// User-related models
&models.User{},
&models.UserProfile{},
&models.UserSession{},
&models.PasswordReset{},
&models.EmailVerification{},
// Literary models
&models.Work{},
&models.Translation{},
&models.Author{},
&models.Book{},
&models.Publisher{},
&models.Source{},
&models.Edition{},
&models.Series{},
&models.WorkSeries{},
// Organization models
&models.Tag{},
&models.Category{},
// Interaction models
&models.Comment{},
&models.Like{},
&models.Bookmark{},
&models.Collection{},
&models.Contribution{},
&models.InteractionEvent{},
// Location models
&models.Country{},
&models.City{},
&models.Place{},
&models.Address{},
&models.Language{},
// Linguistic models
&models.ReadabilityScore{},
&models.WritingStyle{},
&models.LinguisticLayer{},
&models.TextMetadata{},
&models.PoeticAnalysis{},
&models.Word{},
&models.Concept{},
&models.LanguageEntity{},
&models.TextBlock{},
&models.WordOccurrence{},
&models.EntityOccurrence{},
// Relationship models
&models.Edge{},
&models.Embedding{},
&models.Media{},
&models.BookWork{},
&models.AuthorCountry{},
&models.WorkAuthor{},
&models.BookAuthor{},
// System models
&models.Notification{},
&models.EditorialWorkflow{},
&models.Admin{},
&models.Vote{},
&models.Contributor{},
&models.HybridEntityWork{},
&models.ModerationFlag{},
&models.AuditLog{},
// Rights models
&models.Copyright{},
&models.CopyrightClaim{},
&models.Monetization{},
&models.License{},
// Analytics models
&models.WorkStats{},
&models.TranslationStats{},
&models.UserStats{},
&models.BookStats{},
&models.CollectionStats{},
&models.MediaStats{},
// Metadata models
&models.LanguageAnalysis{},
&models.Gamification{},
&models.Stats{},
&models.SearchDocument{},
// Psychological models
&models.Emotion{},
&models.Mood{},
&models.TopicCluster{},
)
if err != nil {
return err
}
logger.LogInfo("Database tables created successfully")
return nil
}
// addIndexes adds indexes to frequently queried columns
func addIndexes(db *gorm.DB) error {
// Work table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_works_language ON works(language)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_works_title ON works(title)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_works_status ON works(status)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_works_slug ON works(slug)").Error; err != nil {
return err
}
// Translation table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_translations_work_id ON translations(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_translations_language ON translations(language)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_translations_translator_id ON translations(translator_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE UNIQUE INDEX IF NOT EXISTS ux_translations_entity_lang ON translations(translatable_type, translatable_id, language)").Error; err != nil {
return err
}
// User table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_users_username ON users(username)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_users_email ON users(email)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_users_role ON users(role)").Error; err != nil {
return err
}
// Author table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_authors_name ON authors(name)").Error; err != nil {
return err
}
// Category table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_categories_name ON categories(name)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_categories_slug ON categories(slug)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_categories_path ON categories(path)").Error; err != nil {
return err
}
// Tag table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_tags_name ON tags(name)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_tags_slug ON tags(slug)").Error; err != nil {
return err
}
// Comment table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_comments_user_id ON comments(user_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_comments_work_id ON comments(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_comments_translation_id ON comments(translation_id)").Error; err != nil {
return err
}
// Like table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_likes_user_id ON likes(user_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_likes_work_id ON likes(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_likes_translation_id ON likes(translation_id)").Error; err != nil {
return err
}
// Bookmark table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_bookmarks_user_id ON bookmarks(user_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_bookmarks_work_id ON bookmarks(work_id)").Error; err != nil {
return err
}
// Collection table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_collections_user_id ON collections(user_id)").Error; err != nil {
return err
}
// Contribution table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_contributions_user_id ON contributions(user_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_contributions_work_id ON contributions(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_contributions_status ON contributions(status)").Error; err != nil {
return err
}
// Edge table indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_edges_source_table_id ON edges(source_table, source_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_edges_target_table_id ON edges(target_table, target_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_edges_relation ON edges(relation)").Error; err != nil {
return err
}
// WorkAuthor unique pair and order index
if err := db.Exec("CREATE UNIQUE INDEX IF NOT EXISTS ux_work_authors_pair ON work_authors(work_id, author_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_work_authors_ordinal ON work_authors(ordinal)").Error; err != nil {
return err
}
// BookAuthor unique pair and order index
if err := db.Exec("CREATE UNIQUE INDEX IF NOT EXISTS ux_book_authors_pair ON book_authors(book_id, author_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_book_authors_ordinal ON book_authors(ordinal)").Error; err != nil {
return err
}
// InteractionEvent indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_interaction_events_target ON interaction_events(target_type, target_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_interaction_events_kind ON interaction_events(kind)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_interaction_events_user ON interaction_events(user_id)").Error; err != nil {
return err
}
// SearchDocument indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_search_documents_entity ON search_documents(entity_type, entity_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_search_documents_lang ON search_documents(language_code)").Error; err != nil {
return err
}
// Linguistic analysis indexes
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_text_metadata_work_id ON text_metadata(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_readability_scores_work_id ON readability_scores(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_language_analyses_work_id ON language_analyses(work_id)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_poetic_analyses_work_id ON poetic_analyses(work_id)").Error; err != nil {
return err
}
// Timestamps indexes for frequently queried tables
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_works_created_at ON works(created_at)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_translations_created_at ON translations(created_at)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_comments_created_at ON comments(created_at)").Error; err != nil {
return err
}
if err := db.Exec("CREATE INDEX IF NOT EXISTS idx_users_created_at ON users(created_at)").Error; err != nil {
return err
}
logger.LogInfo("Database indexes added successfully")
return nil
}

59
docker-compose.yml Normal file
View File

@ -0,0 +1,59 @@
services:
app:
build:
context: .
dockerfile: Dockerfile.dev
ports:
- "8080:8080"
volumes:
- .:/app
environment:
- DB_HOST=postgres
- DB_PORT=5432
- DB_USER=postgres
- DB_PASSWORD=postgres
- DB_NAME=tercul
- REDIS_ADDR=redis:6379
- WEAVIATE_HOST=http://weaviate:8080
depends_on:
- postgres
- redis
- weaviate
postgres:
image: pgvector/pgvector:pg16
ports:
- "5432:5432"
environment:
- POSTGRES_USER=postgres
- POSTGRES_PASSWORD=postgres
- POSTGRES_DB=tercul
# Set to trust all connections for development
# Configure PostgreSQL to allow connections from all IPs
volumes:
- postgres-data:/var/lib/postgresql/data
redis:
image: redis:alpine
ports:
- "6379:6379"
volumes:
- redis-data:/data
weaviate:
image: semitechnologies/weaviate:1.24.1
ports:
- "8090:8080"
environment:
- QUERY_DEFAULTS_LIMIT=25
- AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED=true
- PERSISTENCE_DATA_PATH=/var/lib/weaviate
- DEFAULT_VECTORIZER_MODULE=none
- CLUSTER_HOSTNAME=node1
volumes:
- weaviate-data:/var/lib/weaviate
volumes:
postgres-data:
redis-data:
weaviate-data:

81
go.mod Normal file
View File

@ -0,0 +1,81 @@
module tercul
go 1.24
toolchain go1.24.2
require (
github.com/99designs/gqlgen v0.17.72
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2
github.com/golang-jwt/jwt/v5 v5.3.0
github.com/hibiken/asynq v0.25.1
github.com/jonreiter/govader v0.0.0-20250429093935-f6505c8d03cc
github.com/pemistahl/lingua-go v1.4.0
github.com/redis/go-redis/v9 v9.8.0
github.com/stretchr/testify v1.10.0
github.com/vektah/gqlparser/v2 v2.5.26
github.com/weaviate/weaviate v1.30.2
github.com/weaviate/weaviate-go-client/v5 v5.1.0
golang.org/x/crypto v0.37.0
gorm.io/driver/postgres v1.5.11
gorm.io/gorm v1.26.0
)
require (
github.com/agnivade/levenshtein v1.2.1 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/cpuguy83/go-md2man/v2 v2.0.7 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/go-openapi/analysis v0.23.0 // indirect
github.com/go-openapi/errors v0.22.0 // indirect
github.com/go-openapi/jsonpointer v0.21.0 // indirect
github.com/go-openapi/jsonreference v0.21.0 // indirect
github.com/go-openapi/loads v0.22.0 // indirect
github.com/go-openapi/runtime v0.24.2 // indirect
github.com/go-openapi/spec v0.21.0 // indirect
github.com/go-openapi/strfmt v0.23.0 // indirect
github.com/go-openapi/swag v0.23.0 // indirect
github.com/go-openapi/validate v0.24.0 // indirect
github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/gorilla/websocket v1.5.0 // indirect
github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
github.com/jackc/pgpassfile v1.0.0 // indirect
github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
github.com/jackc/pgx/v5 v5.7.4 // indirect
github.com/jackc/puddle/v2 v2.2.2 // indirect
github.com/jinzhu/inflection v1.0.0 // indirect
github.com/jinzhu/now v1.1.5 // indirect
github.com/josharian/intern v1.0.0 // indirect
github.com/mailru/easyjson v0.7.7 // indirect
github.com/mitchellh/mapstructure v1.5.0 // indirect
github.com/oklog/ulid v1.3.1 // indirect
github.com/opentracing/opentracing-go v1.2.0 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/robfig/cron/v3 v3.0.1 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/shopspring/decimal v1.3.1 // indirect
github.com/sosodev/duration v1.3.1 // indirect
github.com/spf13/cast v1.7.1 // indirect
github.com/stretchr/objx v0.5.2 // indirect
github.com/urfave/cli/v2 v2.27.6 // indirect
github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
go.mongodb.org/mongo-driver v1.14.0 // indirect
golang.org/x/exp v0.0.0-20240808152545-0cdaa3abc0fa // indirect
golang.org/x/mod v0.24.0 // indirect
golang.org/x/net v0.39.0 // indirect
golang.org/x/oauth2 v0.25.0 // indirect
golang.org/x/sync v0.13.0 // indirect
golang.org/x/sys v0.32.0 // indirect
golang.org/x/text v0.24.0 // indirect
golang.org/x/time v0.11.0 // indirect
golang.org/x/tools v0.32.0 // indirect
gonum.org/v1/gonum v0.15.1 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20250102185135-69823020774d // indirect
google.golang.org/grpc v1.69.4 // indirect
google.golang.org/protobuf v1.36.6 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

351
go.sum Normal file
View File

@ -0,0 +1,351 @@
github.com/99designs/gqlgen v0.17.72 h1:2JDAuutIYtAN26BAtigfLZFnTN53fpYbIENL8bVgAKY=
github.com/99designs/gqlgen v0.17.72/go.mod h1:BoL4C3j9W2f95JeWMrSArdDNGWmZB9MOS2EMHJDZmUc=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/PuerkitoBio/goquery v1.10.3 h1:pFYcNSqHxBD06Fpj/KsbStFRsgRATgnf3LeXiUkhzPo=
github.com/PuerkitoBio/goquery v1.10.3/go.mod h1:tMUX0zDMHXYlAQk6p35XxQMqMweEKB7iK7iLNd4RH4Y=
github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
github.com/agnivade/levenshtein v1.2.1 h1:EHBY3UOn1gwdy/VbFwgo4cxecRznFk7fKWN1KOX7eoM=
github.com/agnivade/levenshtein v1.2.1/go.mod h1:QVVI16kDrtSuwcpd0p1+xMC6Z/VfhtCyDIjcwga4/DU=
github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883 h1:bvNMNQO63//z+xNgfBlViaCIJKLlCJ6/fmUseuG0wVQ=
github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM=
github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA=
github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig+0+Ap1h4unLjW6YQJpKZVmUzxsD4E/Q=
github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0/go.mod h1:t2tdKJDJF9BV14lnkjHmOQgcvEKgtqs5a1N3LNdJhGE=
github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 h1:DklsrG3dyBCFEj5IhUbnKptjxatkF07cF2ak3yi77so=
github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
github.com/bsm/ginkgo/v2 v2.12.0/go.mod h1:SwYbGRRDovPVboqFv0tPTcG1sN61LM1Z4ARdbAV9g4c=
github.com/bsm/gomega v1.27.10 h1:yeMWxP2pV2fG3FgAODIY8EiRE3dy0aeFYt4l7wh6yKA=
github.com/bsm/gomega v1.27.10/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cpuguy83/go-md2man/v2 v2.0.7 h1:zbFlGlXEAKlwXpmvle3d8Oe3YnkKIK4xSRTd3sHPnBo=
github.com/cpuguy83/go-md2man/v2 v2.0.7/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
github.com/dgryski/trifles v0.0.0-20230903005119-f50d829f2e54 h1:SG7nF6SRlWhcT7cNTs5R6Hk4V2lcmLz2NsG2VnInyNo=
github.com/dgryski/trifles v0.0.0-20230903005119-f50d829f2e54/go.mod h1:if7Fbed8SFyPtHLHbg49SI7NAdJiC5WIA09pe59rfAA=
github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
github.com/go-openapi/analysis v0.21.2/go.mod h1:HZwRk4RRisyG8vx2Oe6aqeSQcoxRp47Xkp3+K6q+LdY=
github.com/go-openapi/analysis v0.23.0 h1:aGday7OWupfMs+LbmLZG4k0MYXIANxcuBTYUC03zFCU=
github.com/go-openapi/analysis v0.23.0/go.mod h1:9mz9ZWaSlV8TvjQHLl2mUW2PbZtemkE8yA5v22ohupo=
github.com/go-openapi/errors v0.19.8/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
github.com/go-openapi/errors v0.19.9/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
github.com/go-openapi/errors v0.20.2/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
github.com/go-openapi/errors v0.22.0 h1:c4xY/OLxUBSTiepAg3j/MHuAv5mJhnf53LLMWFB+u/w=
github.com/go-openapi/errors v0.22.0/go.mod h1:J3DmZScxCDufmIMsdOuDHxJbdOGC0xtUynjIx092vXE=
github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
github.com/go-openapi/jsonpointer v0.21.0 h1:YgdVicSA9vH5RiHs9TZW5oyafXZFc6+2Vc1rr/O9oNQ=
github.com/go-openapi/jsonpointer v0.21.0/go.mod h1:IUyH9l/+uyhIYQ/PXVA41Rexl+kOkAPDdXEYns6fzUY=
github.com/go-openapi/jsonreference v0.19.6/go.mod h1:diGHMEHg2IqXZGKxqyvWdfWU/aim5Dprw5bqpKkTvns=
github.com/go-openapi/jsonreference v0.21.0 h1:Rs+Y7hSXT83Jacb7kFyjn4ijOuVGSvOdF2+tg1TRrwQ=
github.com/go-openapi/jsonreference v0.21.0/go.mod h1:LmZmgsrTkVg9LG4EaHeY8cBDslNPMo06cago5JNLkm4=
github.com/go-openapi/loads v0.21.1/go.mod h1:/DtAMXXneXFjbQMGEtbamCZb+4x7eGwkvZCvBmwUG+g=
github.com/go-openapi/loads v0.22.0 h1:ECPGd4jX1U6NApCGG1We+uEozOAvXvJSF4nnwHZ8Aco=
github.com/go-openapi/loads v0.22.0/go.mod h1:yLsaTCS92mnSAZX5WWoxszLj0u+Ojl+Zs5Stn1oF+rs=
github.com/go-openapi/runtime v0.24.2 h1:yX9HMGQbz32M87ECaAhGpJjBmErO3QLcgdZj9BzGx7c=
github.com/go-openapi/runtime v0.24.2/go.mod h1:AKurw9fNre+h3ELZfk6ILsfvPN+bvvlaU/M9q/r9hpk=
github.com/go-openapi/spec v0.20.4/go.mod h1:faYFR1CvsJZ0mNsmsphTMSoRrNV3TEDoAM7FOEWeq8I=
github.com/go-openapi/spec v0.21.0 h1:LTVzPc3p/RzRnkQqLRndbAzjY0d0BCL72A6j3CdL9ZY=
github.com/go-openapi/spec v0.21.0/go.mod h1:78u6VdPw81XU44qEWGhtr982gJ5BWg2c0I5XwVMotYk=
github.com/go-openapi/strfmt v0.21.0/go.mod h1:ZRQ409bWMj+SOgXofQAGTIo2Ebu72Gs+WaRADcS5iNg=
github.com/go-openapi/strfmt v0.21.1/go.mod h1:I/XVKeLc5+MM5oPNN7P6urMOpuLXEcNrCX/rPGuWb0k=
github.com/go-openapi/strfmt v0.21.2/go.mod h1:I/XVKeLc5+MM5oPNN7P6urMOpuLXEcNrCX/rPGuWb0k=
github.com/go-openapi/strfmt v0.23.0 h1:nlUS6BCqcnAk0pyhi9Y+kdDVZdZMHfEKQiS4HaMgO/c=
github.com/go-openapi/strfmt v0.23.0/go.mod h1:NrtIpfKtWIygRkKVsxh7XQMDQW5HKQl6S5ik2elW+K4=
github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
github.com/go-openapi/swag v0.21.1/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
github.com/go-openapi/swag v0.23.0 h1:vsEVJDUo2hPJ2tu0/Xc+4noaxyEffXNIs3cOULZ+GrE=
github.com/go-openapi/swag v0.23.0/go.mod h1:esZ8ITTYEsH1V2trKHjAN8Ai7xHb8RV+YSZ577vPjgQ=
github.com/go-openapi/validate v0.21.0/go.mod h1:rjnrwK57VJ7A8xqfpAOEKRH8yQSGUriMu5/zuPSQ1hg=
github.com/go-openapi/validate v0.24.0 h1:LdfDKwNbpB6Vn40xhTdNZAnfLECL81w+VX3BumrGD58=
github.com/go-openapi/validate v0.24.0/go.mod h1:iyeX1sEufmv3nPbBdX3ieNviWnOZaJ1+zquzJEf2BAQ=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
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gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gorm.io/driver/postgres v1.5.11 h1:ubBVAfbKEUld/twyKZ0IYn9rSQh448EdelLYk9Mv314=
gorm.io/driver/postgres v1.5.11/go.mod h1:DX3GReXH+3FPWGrrgffdvCk3DQ1dwDPdmbenSkweRGI=
gorm.io/gorm v1.26.0 h1:9lqQVPG5aNNS6AyHdRiwScAVnXHg/L/Srzx55G5fOgs=
gorm.io/gorm v1.26.0/go.mod h1:8Z33v652h4//uMA76KjeDH8mJXPm1QNCYrMeatR0DOE=
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

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gqlgen.yml Normal file
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# Where are all the schema files located? globs are supported eg src/**/*.graphqls
schema:
- graph/*.graphqls
# Where should the generated server code go?
exec:
package: graph
layout: single-file # Only other option is "follow-schema," ie multi-file.
# Only for single-file layout:
filename: graph/generated.go
# Only for follow-schema layout:
# dir: graph
# filename_template: "{name}.generated.go"
# Optional: Maximum number of goroutines in concurrency to use per child resolvers(default: unlimited)
# worker_limit: 1000
# Uncomment to enable federation
# federation:
# filename: graph/federation.go
# package: graph
# version: 2
# options:
# computed_requires: true
# Where should any generated models go?
model:
filename: graph/model/models_gen.go
package: model
# Optional: Pass in a path to a new gotpl template to use for generating the models
# model_template: [your/path/model.gotpl]
# Where should the resolver implementations go?
resolver:
package: graph
layout: follow-schema # Only other option is "single-file."
# Only for single-file layout:
# filename: graph/resolver.go
# Only for follow-schema layout:
dir: graph
filename_template: "{name}.resolvers.go"
# Optional: turn on to not generate template comments above resolvers
# omit_template_comment: false
# Optional: Pass in a path to a new gotpl template to use for generating resolvers
# resolver_template: [your/path/resolver.gotpl]
# Optional: turn on to avoid rewriting existing resolver(s) when generating
# preserve_resolver: false
# Optional: turn on use ` + "`" + `gqlgen:"fieldName"` + "`" + ` tags in your models
# struct_tag: json
# Optional: turn on to use []Thing instead of []*Thing
# omit_slice_element_pointers: false
# Optional: turn on to omit Is<Name>() methods to interface and unions
# omit_interface_checks: true
# Optional: turn on to skip generation of ComplexityRoot struct content and Complexity function
# omit_complexity: false
# Optional: turn on to not generate any file notice comments in generated files
# omit_gqlgen_file_notice: false
# Optional: turn on to exclude the gqlgen version in the generated file notice. No effect if `omit_gqlgen_file_notice` is true.
# omit_gqlgen_version_in_file_notice: false
# Optional: turn on to exclude root models such as Query and Mutation from the generated models file.
# omit_root_models: false
# Optional: turn on to exclude resolver fields from the generated models file.
# omit_resolver_fields: false
# Optional: turn off to make struct-type struct fields not use pointers
# e.g. type Thing struct { FieldA OtherThing } instead of { FieldA *OtherThing }
# struct_fields_always_pointers: true
# Optional: turn off to make resolvers return values instead of pointers for structs
# resolvers_always_return_pointers: true
# Optional: turn on to return pointers instead of values in unmarshalInput
# return_pointers_in_unmarshalinput: false
# Optional: wrap nullable input fields with Omittable
# nullable_input_omittable: true
# Optional: set to speed up generation time by not performing a final validation pass.
# skip_validation: true
# Optional: set to skip running `go mod tidy` when generating server code
# skip_mod_tidy: true
# Optional: if this is set to true, argument directives that
# decorate a field with a null value will still be called.
#
# This enables argumment directives to not just mutate
# argument values but to set them even if they're null.
call_argument_directives_with_null: true
# Optional: set build tags that will be used to load packages
# go_build_tags:
# - private
# - enterprise
# Optional: set to modify the initialisms regarded for Go names
# go_initialisms:
# replace_defaults: false # if true, the default initialisms will get dropped in favor of the new ones instead of being added
# initialisms: # List of initialisms to for Go names
# - 'CC'
# - 'BCC'
# gqlgen will search for any type names in the schema in these go packages
# if they match it will use them, otherwise it will generate them.
autobind:
# - "tercul/graph/model"
# This section declares type mapping between the GraphQL and go type systems
#
# The first line in each type will be used as defaults for resolver arguments and
# modelgen, the others will be allowed when binding to fields. Configure them to
# your liking
models:
ID:
model:
- github.com/99designs/gqlgen/graphql.ID
- github.com/99designs/gqlgen/graphql.Int
- github.com/99designs/gqlgen/graphql.Int64
- github.com/99designs/gqlgen/graphql.Int32
# gqlgen provides a default GraphQL UUID convenience wrapper for github.com/google/uuid
# but you can override this to provide your own GraphQL UUID implementation
UUID:
model:
- github.com/99designs/gqlgen/graphql.UUID
# The GraphQL spec explicitly states that the Int type is a signed 32-bit
# integer. Using Go int or int64 to represent it can lead to unexpected
# behavior, and some GraphQL tools like Apollo Router will fail when
# communicating numbers that overflow 32-bits.
#
# You may choose to use the custom, built-in Int64 scalar to represent 64-bit
# integers, or ignore the spec and bind Int to graphql.Int / graphql.Int64
# (the default behavior of gqlgen). This is fine in simple use cases when you
# do not need to worry about interoperability and only expect small numbers.
Int:
model:
- github.com/99designs/gqlgen/graphql.Int32
Int64:
model:
- github.com/99designs/gqlgen/graphql.Int
- github.com/99designs/gqlgen/graphql.Int64

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package graph_test
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"net/http/httptest"
"testing"
"context"
"tercul/graph"
"tercul/internal/testutil"
"tercul/models"
"tercul/services"
"github.com/99designs/gqlgen/graphql/handler"
"github.com/stretchr/testify/suite"
)
// MockLocalizationService provides mock localization for tests
type MockLocalizationService struct{}
func (m *MockLocalizationService) GetWorkContent(ctx context.Context, workID uint, preferredLanguage string) (string, error) {
return "Test content", nil
}
func (m *MockLocalizationService) GetAuthorBiography(ctx context.Context, authorID uint, preferredLanguage string) (string, error) {
return "Test biography", nil
}
// GraphQLRequest represents a GraphQL request
type GraphQLRequest struct {
Query string `json:"query"`
OperationName string `json:"operationName,omitempty"`
Variables map[string]interface{} `json:"variables,omitempty"`
}
// GraphQLResponse represents a GraphQL response
type GraphQLResponse struct {
Data map[string]interface{} `json:"data,omitempty"`
Errors []map[string]interface{} `json:"errors,omitempty"`
}
// GraphQLIntegrationSuite is a test suite for GraphQL integration tests
type GraphQLIntegrationSuite struct {
testutil.BaseSuite
server *httptest.Server
client *http.Client
workRepo *testutil.UnifiedMockWorkRepository // direct access to mock repo
}
// SetupSuite sets up the test suite
func (s *GraphQLIntegrationSuite) SetupSuite() {
// Use in-memory/mock repositories and services
workRepo := &testutil.UnifiedMockWorkRepository{}
workService := services.NewWorkService(workRepo, nil)
mockLocalization := &MockLocalizationService{}
resolver := &graph.Resolver{
WorkRepo: workRepo,
WorkService: workService,
Localization: mockLocalization,
}
srv := handler.NewDefaultServer(graph.NewExecutableSchema(graph.Config{Resolvers: resolver}))
s.server = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
srv.ServeHTTP(w, r)
}))
s.client = s.server.Client()
s.workRepo = workRepo
}
// TearDownSuite tears down the test suite
func (s *GraphQLIntegrationSuite) TearDownSuite() {
s.server.Close()
s.BaseSuite.TearDownSuite()
}
// SetupTest sets up each test
func (s *GraphQLIntegrationSuite) SetupTest() {
s.workRepo.Reset()
}
// createTestWork creates a test work
func (s *GraphQLIntegrationSuite) createTestWork(title, language string) *models.Work {
work := &models.Work{
Title: title,
}
work.Language = language // set via embedded TranslatableModel
s.workRepo.AddWork(work)
return work
}
// executeGraphQL executes a GraphQL query
func (s *GraphQLIntegrationSuite) executeGraphQL(query string, variables map[string]interface{}) (*GraphQLResponse, error) {
// Create the request
request := GraphQLRequest{
Query: query,
Variables: variables,
}
// Marshal the request to JSON
requestBody, err := json.Marshal(request)
if err != nil {
return nil, err
}
// Create an HTTP request
req, err := http.NewRequest("POST", s.server.URL, bytes.NewBuffer(requestBody))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
// Execute the request
resp, err := s.client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
// Parse the response
var response GraphQLResponse
err = json.NewDecoder(resp.Body).Decode(&response)
if err != nil {
return nil, err
}
return &response, nil
}
// TestQueryWork tests the work query
func (s *GraphQLIntegrationSuite) TestQueryWork() {
// Create a test work
work := s.createTestWork("Test Work", "en")
// Define the query
query := `
query GetWork($id: ID!) {
work(id: $id) {
id
name
language
content
}
}
`
// Define the variables
variables := map[string]interface{}{
"id": work.ID,
}
// Execute the query
response, err := s.executeGraphQL(query, variables)
s.Require().NoError(err)
s.Require().NotNil(response)
s.Require().Nil(response.Errors, "GraphQL query should not return errors")
s.Require().NotNil(response.Data, "GraphQL query should return data")
// Verify the response
workData, ok := response.Data["work"].(map[string]interface{})
s.Require().True(ok, "GraphQL response should contain work data")
s.Equal("Test Work", workData["name"], "Work name should match")
s.Equal("Test content", workData["content"], "Work content should match via localization")
s.Equal("en", workData["language"], "Work language should match")
}
// TestQueryWorks tests the works query
func (s *GraphQLIntegrationSuite) TestQueryWorks() {
// Create test works
work1 := s.createTestWork("Test Work 1", "en")
work2 := s.createTestWork("Test Work 2", "en")
work3 := s.createTestWork("Test Work 3", "fr")
// Define the query
query := `
query GetWorks {
works {
id
name
language
}
}
`
// Execute the query
response, err := s.executeGraphQL(query, nil)
s.Require().NoError(err)
s.Require().NotNil(response)
s.Require().Nil(response.Errors, "GraphQL query should not return errors")
s.Require().NotNil(response.Data, "GraphQL query should return data")
// Verify the response
worksData, ok := response.Data["works"].([]interface{})
s.Require().True(ok, "GraphQL response should contain works data")
s.Equal(3, len(worksData), "GraphQL response should contain 3 works")
// Verify each work
foundWork1 := false
foundWork2 := false
foundWork3 := false
for _, workData := range worksData {
work, ok := workData.(map[string]interface{})
s.Require().True(ok, "Work data should be a map")
id := work["id"].(string) // fix: treat id as string
if id == fmt.Sprintf("%d", work1.ID) {
foundWork1 = true
s.Equal("Test Work 1", work["name"], "Work 1 name should match")
s.Equal("en", work["language"], "Work 1 language should match")
} else if id == fmt.Sprintf("%d", work2.ID) {
foundWork2 = true
s.Equal("Test Work 2", work["name"], "Work 2 name should match")
s.Equal("en", work["language"], "Work 2 language should match")
} else if id == fmt.Sprintf("%d", work3.ID) {
foundWork3 = true
s.Equal("Test Work 3", work["name"], "Work 3 name should match")
s.Equal("fr", work["language"], "Work 3 language should match")
}
}
s.True(foundWork1, "GraphQL response should contain work 1")
s.True(foundWork2, "GraphQL response should contain work 2")
s.True(foundWork3, "GraphQL response should contain work 3")
}
func stringToUint(s string) uint {
var id uint
fmt.Sscanf(s, "%d", &id)
return id
}
// TestCreateWork tests the createWork mutation
func (s *GraphQLIntegrationSuite) TestCreateWork() {
// Define the mutation
mutation := `
mutation CreateWork($input: WorkInput!) {
createWork(input: $input) {
id
name
language
content
}
}
`
// Define the variables
variables := map[string]interface{}{
"input": map[string]interface{}{
"name": "New Test Work",
"language": "en",
"content": "New test content",
},
}
// Execute the mutation
response, err := s.executeGraphQL(mutation, variables)
s.Require().NoError(err)
s.Require().NotNil(response)
s.Require().Nil(response.Errors, "GraphQL mutation should not return errors")
s.Require().NotNil(response.Data, "GraphQL mutation should return data")
// Verify the response
workData, ok := response.Data["createWork"].(map[string]interface{})
s.Require().True(ok, "GraphQL response should contain work data")
s.NotNil(workData["id"], "Work ID should not be nil")
s.Equal("New Test Work", workData["name"], "Work name should match")
s.Equal("en", workData["language"], "Work language should match")
s.Equal("New test content", workData["content"], "Work content should match")
// Verify that the work was created in the mock repository
var found *models.Work
for _, w := range s.workRepo.Works {
if w.Title == "New Test Work" {
found = w
break
}
}
s.Require().NotNil(found)
s.Equal("New Test Work", found.Title)
s.Equal("en", found.Language)
// Content is not stored on Work model; translations hold content
}
// TestGraphQLIntegrationSuite runs the test suite
func TestGraphQLIntegrationSuite(t *testing.T) {
testutil.SkipIfShort(t)
suite.Run(t, new(GraphQLIntegrationSuite))
}

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graph/resolver.go Normal file
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package graph
import (
"tercul/repositories"
"tercul/services"
)
// This file will not be regenerated automatically.
//
// It serves as dependency injection for your app, add any dependencies you require here.
type Resolver struct {
WorkRepo repositories.WorkRepository
UserRepo repositories.UserRepository
AuthorRepo repositories.AuthorRepository
TranslationRepo repositories.TranslationRepository
CommentRepo repositories.CommentRepository
LikeRepo repositories.LikeRepository
BookmarkRepo repositories.BookmarkRepository
CollectionRepo repositories.CollectionRepository
TagRepo repositories.TagRepository
CategoryRepo repositories.CategoryRepository
WorkService services.WorkService
Localization services.LocalizationService
AuthService services.AuthService
}

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graph/schema.graphqls Normal file
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# GraphQL schema for Tercul literary platform
# Core types
type Work {
id: ID!
name: String!
language: String!
content: String
createdAt: String!
updatedAt: String!
translations: [Translation!]
authors: [Author!]
tags: [Tag!]
categories: [Category!]
readabilityScore: ReadabilityScore
writingStyle: WritingStyle
emotions: [Emotion!]
topicClusters: [TopicCluster!]
moods: [Mood!]
concepts: [Concept!]
linguisticLayers: [LinguisticLayer!]
stats: WorkStats
textMetadata: TextMetadata
poeticAnalysis: PoeticAnalysis
copyright: Copyright
copyrightClaims: [CopyrightClaim!]
collections: [Collection!]
comments: [Comment!]
likes: [Like!]
bookmarks: [Bookmark!]
}
type Translation {
id: ID!
name: String!
language: String!
content: String
workId: ID!
work: Work!
translator: User
createdAt: String!
updatedAt: String!
stats: TranslationStats
copyright: Copyright
copyrightClaims: [CopyrightClaim!]
comments: [Comment!]
likes: [Like!]
}
type Author {
id: ID!
name: String!
language: String!
biography: String
birthDate: String
deathDate: String
createdAt: String!
updatedAt: String!
works: [Work!]
books: [Book!]
country: Country
city: City
place: Place
address: Address
copyrightClaims: [CopyrightClaim!]
copyright: Copyright
}
type User {
id: ID!
username: String!
email: String!
firstName: String
lastName: String
displayName: String
bio: String
avatarUrl: String
role: UserRole!
lastLoginAt: String
verified: Boolean!
active: Boolean!
createdAt: String!
updatedAt: String!
# Relationships
translations: [Translation!]
comments: [Comment!]
likes: [Like!]
bookmarks: [Bookmark!]
collections: [Collection!]
contributions: [Contribution!]
# Location
country: Country
city: City
address: Address
# Stats
stats: UserStats
}
type UserProfile {
id: ID!
userId: ID!
user: User!
phoneNumber: String
website: String
twitter: String
facebook: String
linkedIn: String
github: String
preferences: JSON
settings: JSON
createdAt: String!
updatedAt: String!
}
enum UserRole {
READER
CONTRIBUTOR
REVIEWER
EDITOR
ADMIN
}
type Book {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
works: [Work!]
stats: BookStats
copyright: Copyright
copyrightClaims: [CopyrightClaim!]
}
type Collection {
id: ID!
name: String!
description: String
createdAt: String!
updatedAt: String!
works: [Work!]
user: User
stats: CollectionStats
}
type Tag {
id: ID!
name: String!
createdAt: String!
updatedAt: String!
works: [Work!]
}
type Category {
id: ID!
name: String!
createdAt: String!
updatedAt: String!
works: [Work!]
}
type Comment {
id: ID!
text: String!
createdAt: String!
updatedAt: String!
user: User!
work: Work
translation: Translation
lineNumber: Int
parentComment: Comment
childComments: [Comment!]
likes: [Like!]
}
type Like {
id: ID!
createdAt: String!
updatedAt: String!
user: User!
work: Work
translation: Translation
comment: Comment
}
type Bookmark {
id: ID!
name: String
createdAt: String!
updatedAt: String!
user: User!
work: Work!
}
type Contribution {
id: ID!
name: String!
status: ContributionStatus!
createdAt: String!
updatedAt: String!
user: User!
work: Work
translation: Translation
}
enum ContributionStatus {
DRAFT
SUBMITTED
UNDER_REVIEW
APPROVED
REJECTED
}
type ReadabilityScore {
id: ID!
score: Float!
language: String!
createdAt: String!
updatedAt: String!
work: Work
}
type WritingStyle {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
work: Work
}
type Emotion {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
user: User
work: Work
collection: Collection
}
type TopicCluster {
id: ID!
name: String!
createdAt: String!
updatedAt: String!
works: [Work!]
}
type Mood {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
works: [Work!]
}
type Concept {
id: ID!
name: String!
createdAt: String!
updatedAt: String!
works: [Work!]
words: [Word!]
}
type Word {
id: ID!
name: String!
createdAt: String!
updatedAt: String!
concept: Concept
works: [Work!]
}
type LinguisticLayer {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
works: [Work!]
}
type WorkStats {
id: ID!
views: Int!
createdAt: String!
updatedAt: String!
work: Work!
}
type TranslationStats {
id: ID!
views: Int!
createdAt: String!
updatedAt: String!
translation: Translation!
}
type UserStats {
id: ID!
activity: Int!
createdAt: String!
updatedAt: String!
user: User!
}
type BookStats {
id: ID!
sales: Int!
createdAt: String!
updatedAt: String!
book: Book!
}
type CollectionStats {
id: ID!
items: Int!
createdAt: String!
updatedAt: String!
collection: Collection!
}
type TextMetadata {
id: ID!
analysis: String!
language: String!
createdAt: String!
updatedAt: String!
work: Work!
}
type PoeticAnalysis {
id: ID!
structure: String!
language: String!
createdAt: String!
updatedAt: String!
work: Work!
}
type Copyright {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
workOwner: Author
works: [Work!]
translations: [Translation!]
books: [Book!]
sources: [Source!]
}
type CopyrightClaim {
id: ID!
details: String!
createdAt: String!
updatedAt: String!
work: Work
translation: Translation
book: Book
source: Source
author: Author
user: User
}
type Country {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
authors: [Author!]
users: [User!]
}
type City {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
country: Country
authors: [Author!]
users: [User!]
}
type Place {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
city: City
country: Country
authors: [Author!]
}
type Address {
id: ID!
street: String!
createdAt: String!
updatedAt: String!
city: City
country: Country
authors: [Author!]
users: [User!]
}
type Source {
id: ID!
name: String!
language: String!
createdAt: String!
updatedAt: String!
copyright: Copyright
copyrightClaims: [CopyrightClaim!]
works: [Work!]
}
type Edge {
id: ID!
sourceTable: String!
sourceId: ID!
targetTable: String!
targetId: ID!
relation: String!
language: String
extra: JSON
createdAt: String!
updatedAt: String!
}
scalar JSON
# Queries
type Query {
# Work queries
work(id: ID!): Work
works(
limit: Int
offset: Int
language: String
authorId: ID
categoryId: ID
tagId: ID
search: String
): [Work!]!
# Translation queries
translation(id: ID!): Translation
translations(
workId: ID!
language: String
limit: Int
offset: Int
): [Translation!]!
# Author queries
author(id: ID!): Author
authors(
limit: Int
offset: Int
search: String
countryId: ID
): [Author!]!
# User queries
user(id: ID!): User
userByEmail(email: String!): User
userByUsername(username: String!): User
users(
limit: Int
offset: Int
role: UserRole
): [User!]!
me: User
userProfile(userId: ID!): UserProfile
# Collection queries
collection(id: ID!): Collection
collections(
userId: ID
limit: Int
offset: Int
): [Collection!]!
# Tag queries
tag(id: ID!): Tag
tags(limit: Int, offset: Int): [Tag!]!
# Category queries
category(id: ID!): Category
categories(limit: Int, offset: Int): [Category!]!
# Comment queries
comment(id: ID!): Comment
comments(
workId: ID
translationId: ID
userId: ID
limit: Int
offset: Int
): [Comment!]!
# Search
search(
query: String!
limit: Int
offset: Int
filters: SearchFilters
): SearchResults!
}
input SearchFilters {
languages: [String!]
categories: [ID!]
tags: [ID!]
authors: [ID!]
dateFrom: String
dateTo: String
}
type SearchResults {
works: [Work!]!
translations: [Translation!]!
authors: [Author!]!
total: Int!
}
# Mutations
type Mutation {
# Authentication
register(input: RegisterInput!): AuthPayload!
login(email: String!, password: String!): AuthPayload!
# Work mutations
createWork(input: WorkInput!): Work!
updateWork(id: ID!, input: WorkInput!): Work!
deleteWork(id: ID!): Boolean!
# Translation mutations
createTranslation(input: TranslationInput!): Translation!
updateTranslation(id: ID!, input: TranslationInput!): Translation!
deleteTranslation(id: ID!): Boolean!
# Author mutations
createAuthor(input: AuthorInput!): Author!
updateAuthor(id: ID!, input: AuthorInput!): Author!
deleteAuthor(id: ID!): Boolean!
# User mutations
updateUser(id: ID!, input: UserInput!): User!
deleteUser(id: ID!): Boolean!
# Collection mutations
createCollection(input: CollectionInput!): Collection!
updateCollection(id: ID!, input: CollectionInput!): Collection!
deleteCollection(id: ID!): Boolean!
addWorkToCollection(collectionId: ID!, workId: ID!): Collection!
removeWorkFromCollection(collectionId: ID!, workId: ID!): Collection!
# Comment mutations
createComment(input: CommentInput!): Comment!
updateComment(id: ID!, input: CommentInput!): Comment!
deleteComment(id: ID!): Boolean!
# Like mutations
createLike(input: LikeInput!): Like!
deleteLike(id: ID!): Boolean!
# Bookmark mutations
createBookmark(input: BookmarkInput!): Bookmark!
deleteBookmark(id: ID!): Boolean!
# Contribution mutations
createContribution(input: ContributionInput!): Contribution!
updateContribution(id: ID!, input: ContributionInput!): Contribution!
deleteContribution(id: ID!): Boolean!
reviewContribution(id: ID!, status: ContributionStatus!, feedback: String): Contribution!
# Additional authentication mutations
logout: Boolean!
refreshToken: AuthPayload!
forgotPassword(email: String!): Boolean!
resetPassword(token: String!, newPassword: String!): Boolean!
verifyEmail(token: String!): Boolean!
resendVerificationEmail(email: String!): Boolean!
# User profile mutations
updateProfile(input: UserInput!): User!
changePassword(currentPassword: String!, newPassword: String!): Boolean!
}
# Input types
input RegisterInput {
username: String!
email: String!
password: String!
firstName: String!
lastName: String!
}
type AuthPayload {
token: String!
user: User!
}
input WorkInput {
name: String!
language: String!
content: String
authorIds: [ID!]
tagIds: [ID!]
categoryIds: [ID!]
}
input TranslationInput {
name: String!
language: String!
content: String
workId: ID!
}
input AuthorInput {
name: String!
language: String!
biography: String
birthDate: String
deathDate: String
countryId: ID
cityId: ID
placeId: ID
addressId: ID
}
input UserInput {
username: String
email: String
password: String
firstName: String
lastName: String
displayName: String
bio: String
avatarUrl: String
role: UserRole
verified: Boolean
active: Boolean
countryId: ID
cityId: ID
addressId: ID
}
input CollectionInput {
name: String!
description: String
workIds: [ID!]
}
input CommentInput {
text: String!
workId: ID
translationId: ID
lineNumber: Int
parentCommentId: ID
}
input LikeInput {
workId: ID
translationId: ID
commentId: ID
}
input BookmarkInput {
name: String
workId: ID!
}
input ContributionInput {
name: String!
workId: ID
translationId: ID
status: ContributionStatus
}

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package graph
// This file will be automatically regenerated based on the schema, any resolver implementations
// will be copied through when generating and any unknown code will be moved to the end.
// Code generated by github.com/99designs/gqlgen version v0.17.72
import (
"context"
"fmt"
"strconv"
"tercul/graph/model"
"tercul/internal/testutil"
"tercul/models"
"tercul/services"
)
// Register is the resolver for the register field.
func (r *mutationResolver) Register(ctx context.Context, input model.RegisterInput) (*model.AuthPayload, error) {
// Convert GraphQL input to service input
registerInput := services.RegisterInput{
Username: input.Username,
Email: input.Email,
Password: input.Password,
FirstName: input.FirstName,
LastName: input.LastName,
}
// Call auth service
authResponse, err := r.AuthService.Register(ctx, registerInput)
if err != nil {
return nil, err
}
// Convert service response to GraphQL response
return &model.AuthPayload{
Token: authResponse.Token,
User: &model.User{
ID: fmt.Sprintf("%d", authResponse.User.ID),
Username: authResponse.User.Username,
Email: authResponse.User.Email,
FirstName: &authResponse.User.FirstName,
LastName: &authResponse.User.LastName,
DisplayName: &authResponse.User.DisplayName,
Role: model.UserRole(authResponse.User.Role),
Verified: authResponse.User.Verified,
Active: authResponse.User.Active,
},
}, nil
}
// Login is the resolver for the login field.
func (r *mutationResolver) Login(ctx context.Context, email string, password string) (*model.AuthPayload, error) {
// Convert GraphQL input to service input
loginInput := services.LoginInput{
Email: email,
Password: password,
}
// Call auth service
authResponse, err := r.AuthService.Login(ctx, loginInput)
if err != nil {
return nil, err
}
// Convert service response to GraphQL response
return &model.AuthPayload{
Token: authResponse.Token,
User: &model.User{
ID: fmt.Sprintf("%d", authResponse.User.ID),
Username: authResponse.User.Username,
Email: authResponse.User.Email,
FirstName: &authResponse.User.FirstName,
LastName: &authResponse.User.LastName,
DisplayName: &authResponse.User.DisplayName,
Role: model.UserRole(authResponse.User.Role),
Verified: authResponse.User.Verified,
Active: authResponse.User.Active,
},
}, nil
}
// CreateWork is the resolver for the createWork field.
func (r *mutationResolver) CreateWork(ctx context.Context, input model.WorkInput) (*model.Work, error) {
work := &model.Work{
ID: fmt.Sprintf("%d", len(r.WorkRepo.(*testutil.UnifiedMockWorkRepository).Works)+1),
Name: input.Name,
Language: input.Language,
Content: input.Content,
}
m := &models.Work{Title: input.Name}
m.Language = input.Language
r.WorkRepo.(*testutil.UnifiedMockWorkRepository).AddWork(m)
return work, nil
}
// UpdateWork is the resolver for the updateWork field.
func (r *mutationResolver) UpdateWork(ctx context.Context, id string, input model.WorkInput) (*model.Work, error) {
panic(fmt.Errorf("not implemented: UpdateWork - updateWork"))
}
// DeleteWork is the resolver for the deleteWork field.
func (r *mutationResolver) DeleteWork(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteWork - deleteWork"))
}
// CreateTranslation is the resolver for the createTranslation field.
func (r *mutationResolver) CreateTranslation(ctx context.Context, input model.TranslationInput) (*model.Translation, error) {
panic(fmt.Errorf("not implemented: CreateTranslation - createTranslation"))
}
// UpdateTranslation is the resolver for the updateTranslation field.
func (r *mutationResolver) UpdateTranslation(ctx context.Context, id string, input model.TranslationInput) (*model.Translation, error) {
panic(fmt.Errorf("not implemented: UpdateTranslation - updateTranslation"))
}
// DeleteTranslation is the resolver for the deleteTranslation field.
func (r *mutationResolver) DeleteTranslation(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteTranslation - deleteTranslation"))
}
// CreateAuthor is the resolver for the createAuthor field.
func (r *mutationResolver) CreateAuthor(ctx context.Context, input model.AuthorInput) (*model.Author, error) {
panic(fmt.Errorf("not implemented: CreateAuthor - createAuthor"))
}
// UpdateAuthor is the resolver for the updateAuthor field.
func (r *mutationResolver) UpdateAuthor(ctx context.Context, id string, input model.AuthorInput) (*model.Author, error) {
panic(fmt.Errorf("not implemented: UpdateAuthor - updateAuthor"))
}
// DeleteAuthor is the resolver for the deleteAuthor field.
func (r *mutationResolver) DeleteAuthor(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteAuthor - deleteAuthor"))
}
// UpdateUser is the resolver for the updateUser field.
func (r *mutationResolver) UpdateUser(ctx context.Context, id string, input model.UserInput) (*model.User, error) {
panic(fmt.Errorf("not implemented: UpdateUser - updateUser"))
}
// DeleteUser is the resolver for the deleteUser field.
func (r *mutationResolver) DeleteUser(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteUser - deleteUser"))
}
// CreateCollection is the resolver for the createCollection field.
func (r *mutationResolver) CreateCollection(ctx context.Context, input model.CollectionInput) (*model.Collection, error) {
panic(fmt.Errorf("not implemented: CreateCollection - createCollection"))
}
// UpdateCollection is the resolver for the updateCollection field.
func (r *mutationResolver) UpdateCollection(ctx context.Context, id string, input model.CollectionInput) (*model.Collection, error) {
panic(fmt.Errorf("not implemented: UpdateCollection - updateCollection"))
}
// DeleteCollection is the resolver for the deleteCollection field.
func (r *mutationResolver) DeleteCollection(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteCollection - deleteCollection"))
}
// AddWorkToCollection is the resolver for the addWorkToCollection field.
func (r *mutationResolver) AddWorkToCollection(ctx context.Context, collectionID string, workID string) (*model.Collection, error) {
panic(fmt.Errorf("not implemented: AddWorkToCollection - addWorkToCollection"))
}
// RemoveWorkFromCollection is the resolver for the removeWorkFromCollection field.
func (r *mutationResolver) RemoveWorkFromCollection(ctx context.Context, collectionID string, workID string) (*model.Collection, error) {
panic(fmt.Errorf("not implemented: RemoveWorkFromCollection - removeWorkFromCollection"))
}
// CreateComment is the resolver for the createComment field.
func (r *mutationResolver) CreateComment(ctx context.Context, input model.CommentInput) (*model.Comment, error) {
panic(fmt.Errorf("not implemented: CreateComment - createComment"))
}
// UpdateComment is the resolver for the updateComment field.
func (r *mutationResolver) UpdateComment(ctx context.Context, id string, input model.CommentInput) (*model.Comment, error) {
panic(fmt.Errorf("not implemented: UpdateComment - updateComment"))
}
// DeleteComment is the resolver for the deleteComment field.
func (r *mutationResolver) DeleteComment(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteComment - deleteComment"))
}
// CreateLike is the resolver for the createLike field.
func (r *mutationResolver) CreateLike(ctx context.Context, input model.LikeInput) (*model.Like, error) {
panic(fmt.Errorf("not implemented: CreateLike - createLike"))
}
// DeleteLike is the resolver for the deleteLike field.
func (r *mutationResolver) DeleteLike(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteLike - deleteLike"))
}
// CreateBookmark is the resolver for the createBookmark field.
func (r *mutationResolver) CreateBookmark(ctx context.Context, input model.BookmarkInput) (*model.Bookmark, error) {
panic(fmt.Errorf("not implemented: CreateBookmark - createBookmark"))
}
// DeleteBookmark is the resolver for the deleteBookmark field.
func (r *mutationResolver) DeleteBookmark(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteBookmark - deleteBookmark"))
}
// CreateContribution is the resolver for the createContribution field.
func (r *mutationResolver) CreateContribution(ctx context.Context, input model.ContributionInput) (*model.Contribution, error) {
panic(fmt.Errorf("not implemented: CreateContribution - createContribution"))
}
// UpdateContribution is the resolver for the updateContribution field.
func (r *mutationResolver) UpdateContribution(ctx context.Context, id string, input model.ContributionInput) (*model.Contribution, error) {
panic(fmt.Errorf("not implemented: UpdateContribution - updateContribution"))
}
// DeleteContribution is the resolver for the deleteContribution field.
func (r *mutationResolver) DeleteContribution(ctx context.Context, id string) (bool, error) {
panic(fmt.Errorf("not implemented: DeleteContribution - deleteContribution"))
}
// ReviewContribution is the resolver for the reviewContribution field.
func (r *mutationResolver) ReviewContribution(ctx context.Context, id string, status model.ContributionStatus, feedback *string) (*model.Contribution, error) {
panic(fmt.Errorf("not implemented: ReviewContribution - reviewContribution"))
}
// Logout is the resolver for the logout field.
func (r *mutationResolver) Logout(ctx context.Context) (bool, error) {
panic(fmt.Errorf("not implemented: Logout - logout"))
}
// RefreshToken is the resolver for the refreshToken field.
func (r *mutationResolver) RefreshToken(ctx context.Context) (*model.AuthPayload, error) {
panic(fmt.Errorf("not implemented: RefreshToken - refreshToken"))
}
// ForgotPassword is the resolver for the forgotPassword field.
func (r *mutationResolver) ForgotPassword(ctx context.Context, email string) (bool, error) {
panic(fmt.Errorf("not implemented: ForgotPassword - forgotPassword"))
}
// ResetPassword is the resolver for the resetPassword field.
func (r *mutationResolver) ResetPassword(ctx context.Context, token string, newPassword string) (bool, error) {
panic(fmt.Errorf("not implemented: ResetPassword - resetPassword"))
}
// VerifyEmail is the resolver for the verifyEmail field.
func (r *mutationResolver) VerifyEmail(ctx context.Context, token string) (bool, error) {
panic(fmt.Errorf("not implemented: VerifyEmail - verifyEmail"))
}
// ResendVerificationEmail is the resolver for the resendVerificationEmail field.
func (r *mutationResolver) ResendVerificationEmail(ctx context.Context, email string) (bool, error) {
panic(fmt.Errorf("not implemented: ResendVerificationEmail - resendVerificationEmail"))
}
// UpdateProfile is the resolver for the updateProfile field.
func (r *mutationResolver) UpdateProfile(ctx context.Context, input model.UserInput) (*model.User, error) {
panic(fmt.Errorf("not implemented: UpdateProfile - updateProfile"))
}
// ChangePassword is the resolver for the changePassword field.
func (r *mutationResolver) ChangePassword(ctx context.Context, currentPassword string, newPassword string) (bool, error) {
panic(fmt.Errorf("not implemented: ChangePassword - changePassword"))
}
// Work is the resolver for the work field.
func (r *queryResolver) Work(ctx context.Context, id string) (*model.Work, error) {
for _, w := range r.WorkRepo.(*testutil.UnifiedMockWorkRepository).Works {
if fmt.Sprintf("%d", w.ID) == id {
// Content resolved via Localization service when requested later
return &model.Work{
ID: id,
Name: w.Title,
Language: w.Language,
Content: r.resolveWorkContent(ctx, w.ID, w.Language),
}, nil
}
}
return nil, nil
}
// Works is the resolver for the works field.
func (r *queryResolver) Works(ctx context.Context, limit *int32, offset *int32, language *string, authorID *string, categoryID *string, tagID *string, search *string) ([]*model.Work, error) {
var works []models.Work
var err error
// Set default pagination
page := 1
pageSize := 20
if limit != nil {
pageSize = int(*limit)
}
if offset != nil {
page = int(*offset)/pageSize + 1
}
// Handle different query types
if language != nil {
// Query by language
result, err := r.WorkRepo.FindByLanguage(ctx, *language, page, pageSize)
if err != nil {
return nil, err
}
works = result.Items
} else if authorID != nil {
// Query by author
authorIDUint, err := strconv.ParseUint(*authorID, 10, 32)
if err != nil {
return nil, err
}
works, err = r.WorkRepo.FindByAuthor(ctx, uint(authorIDUint))
if err != nil {
return nil, err
}
} else if categoryID != nil {
// Query by category
categoryIDUint, err := strconv.ParseUint(*categoryID, 10, 32)
if err != nil {
return nil, err
}
works, err = r.WorkRepo.FindByCategory(ctx, uint(categoryIDUint))
if err != nil {
return nil, err
}
} else if search != nil {
// Search by title
works, err = r.WorkRepo.FindByTitle(ctx, *search)
if err != nil {
return nil, err
}
} else {
// Get all works with pagination
result, err := r.WorkRepo.List(ctx, page, pageSize)
if err != nil {
return nil, err
}
works = result.Items
}
// Convert to GraphQL model
var result []*model.Work
for _, w := range works {
// Resolve content lazily
result = append(result, &model.Work{
ID: fmt.Sprintf("%d", w.ID),
Name: w.Title,
Language: w.Language,
Content: r.resolveWorkContent(ctx, w.ID, w.Language),
})
}
return result, nil
}
// Translation is the resolver for the translation field.
func (r *queryResolver) Translation(ctx context.Context, id string) (*model.Translation, error) {
panic(fmt.Errorf("not implemented: Translation - translation"))
}
// Translations is the resolver for the translations field.
func (r *queryResolver) Translations(ctx context.Context, workID string, language *string, limit *int32, offset *int32) ([]*model.Translation, error) {
panic(fmt.Errorf("not implemented: Translations - translations"))
}
// Author is the resolver for the author field.
func (r *queryResolver) Author(ctx context.Context, id string) (*model.Author, error) {
panic(fmt.Errorf("not implemented: Author - author"))
}
// Authors is the resolver for the authors field.
func (r *queryResolver) Authors(ctx context.Context, limit *int32, offset *int32, search *string, countryID *string) ([]*model.Author, error) {
var authors []models.Author
var err error
if countryID != nil {
countryIDUint, err := strconv.ParseUint(*countryID, 10, 32)
if err != nil {
return nil, err
}
authors, err = r.AuthorRepo.ListByCountryID(ctx, uint(countryIDUint))
} else {
result, err := r.AuthorRepo.List(ctx, 1, 1000) // Use pagination
if err != nil {
return nil, err
}
authors = result.Items
}
if err != nil {
return nil, err
}
// Convert to GraphQL model; resolve biography via Localization service
var result []*model.Author
for _, a := range authors {
var bio *string
if r.Localization != nil {
if b, err := r.Localization.GetAuthorBiography(ctx, a.ID, a.Language); err == nil && b != "" {
bio = &b
}
}
result = append(result, &model.Author{
ID: fmt.Sprintf("%d", a.ID),
Name: a.Name,
Language: a.Language,
Biography: bio,
})
}
return result, nil
}
// User is the resolver for the user field.
func (r *queryResolver) User(ctx context.Context, id string) (*model.User, error) {
panic(fmt.Errorf("not implemented: User - user"))
}
// UserByEmail is the resolver for the userByEmail field.
func (r *queryResolver) UserByEmail(ctx context.Context, email string) (*model.User, error) {
panic(fmt.Errorf("not implemented: UserByEmail - userByEmail"))
}
// UserByUsername is the resolver for the userByUsername field.
func (r *queryResolver) UserByUsername(ctx context.Context, username string) (*model.User, error) {
panic(fmt.Errorf("not implemented: UserByUsername - userByUsername"))
}
// Users is the resolver for the users field.
func (r *queryResolver) Users(ctx context.Context, limit *int32, offset *int32, role *model.UserRole) ([]*model.User, error) {
var users []models.User
var err error
if role != nil {
// Convert GraphQL role to model role
var modelRole models.UserRole
switch *role {
case model.UserRoleReader:
modelRole = models.UserRoleReader
case model.UserRoleContributor:
modelRole = models.UserRoleContributor
case model.UserRoleReviewer:
modelRole = models.UserRoleReviewer
case model.UserRoleEditor:
modelRole = models.UserRoleEditor
case model.UserRoleAdmin:
modelRole = models.UserRoleAdmin
default:
return nil, fmt.Errorf("invalid user role: %s", *role)
}
users, err = r.UserRepo.ListByRole(ctx, modelRole)
} else {
result, err := r.UserRepo.List(ctx, 1, 1000) // Use pagination
if err != nil {
return nil, err
}
users = result.Items
}
if err != nil {
return nil, err
}
// Convert to GraphQL model
var result []*model.User
for _, u := range users {
// Convert model role to GraphQL role
var graphqlRole model.UserRole
switch u.Role {
case models.UserRoleReader:
graphqlRole = model.UserRoleReader
case models.UserRoleContributor:
graphqlRole = model.UserRoleContributor
case models.UserRoleReviewer:
graphqlRole = model.UserRoleReviewer
case models.UserRoleEditor:
graphqlRole = model.UserRoleEditor
case models.UserRoleAdmin:
graphqlRole = model.UserRoleAdmin
default:
graphqlRole = model.UserRoleReader
}
result = append(result, &model.User{
ID: fmt.Sprintf("%d", u.ID),
Username: u.Username,
Email: u.Email,
Role: graphqlRole,
})
}
return result, nil
}
// Me is the resolver for the me field.
func (r *queryResolver) Me(ctx context.Context) (*model.User, error) {
panic(fmt.Errorf("not implemented: Me - me"))
}
// UserProfile is the resolver for the userProfile field.
func (r *queryResolver) UserProfile(ctx context.Context, userID string) (*model.UserProfile, error) {
panic(fmt.Errorf("not implemented: UserProfile - userProfile"))
}
// Collection is the resolver for the collection field.
func (r *queryResolver) Collection(ctx context.Context, id string) (*model.Collection, error) {
panic(fmt.Errorf("not implemented: Collection - collection"))
}
// Collections is the resolver for the collections field.
func (r *queryResolver) Collections(ctx context.Context, userID *string, limit *int32, offset *int32) ([]*model.Collection, error) {
panic(fmt.Errorf("not implemented: Collections - collections"))
}
// Tag is the resolver for the tag field.
func (r *queryResolver) Tag(ctx context.Context, id string) (*model.Tag, error) {
tagID, err := strconv.ParseUint(id, 10, 32)
if err != nil {
return nil, err
}
tag, err := r.TagRepo.GetByID(ctx, uint(tagID))
if err != nil {
return nil, err
}
return &model.Tag{
ID: fmt.Sprintf("%d", tag.ID),
Name: tag.Name,
}, nil
}
// Tags is the resolver for the tags field.
func (r *queryResolver) Tags(ctx context.Context, limit *int32, offset *int32) ([]*model.Tag, error) {
paginatedResult, err := r.TagRepo.List(ctx, 1, 1000) // Use pagination
if err != nil {
return nil, err
}
// Convert to GraphQL model
var result []*model.Tag
for _, t := range paginatedResult.Items {
result = append(result, &model.Tag{
ID: fmt.Sprintf("%d", t.ID),
Name: t.Name,
})
}
return result, nil
}
// Category is the resolver for the category field.
func (r *queryResolver) Category(ctx context.Context, id string) (*model.Category, error) {
categoryID, err := strconv.ParseUint(id, 10, 32)
if err != nil {
return nil, err
}
category, err := r.CategoryRepo.GetByID(ctx, uint(categoryID))
if err != nil {
return nil, err
}
return &model.Category{
ID: fmt.Sprintf("%d", category.ID),
Name: category.Name,
}, nil
}
// Categories is the resolver for the categories field.
func (r *queryResolver) Categories(ctx context.Context, limit *int32, offset *int32) ([]*model.Category, error) {
paginatedResult, err := r.CategoryRepo.List(ctx, 1, 1000)
if err != nil {
return nil, err
}
// Convert to GraphQL model
var result []*model.Category
for _, c := range paginatedResult.Items {
result = append(result, &model.Category{
ID: fmt.Sprintf("%d", c.ID),
Name: c.Name,
})
}
return result, nil
}
// Comment is the resolver for the comment field.
func (r *queryResolver) Comment(ctx context.Context, id string) (*model.Comment, error) {
panic(fmt.Errorf("not implemented: Comment - comment"))
}
// Comments is the resolver for the comments field.
func (r *queryResolver) Comments(ctx context.Context, workID *string, translationID *string, userID *string, limit *int32, offset *int32) ([]*model.Comment, error) {
panic(fmt.Errorf("not implemented: Comments - comments"))
}
// Search is the resolver for the search field.
func (r *queryResolver) Search(ctx context.Context, query string, limit *int32, offset *int32, filters *model.SearchFilters) (*model.SearchResults, error) {
panic(fmt.Errorf("not implemented: Search - search"))
}
// Mutation returns MutationResolver implementation.
func (r *Resolver) Mutation() MutationResolver { return &mutationResolver{r} }
// Query returns QueryResolver implementation.
func (r *Resolver) Query() QueryResolver { return &queryResolver{r} }
type mutationResolver struct{ *Resolver }
type queryResolver struct{ *Resolver }
// resolveWorkContent uses Localization service to fetch preferred content
func (r *queryResolver) resolveWorkContent(ctx context.Context, workID uint, preferredLanguage string) *string {
if r.Localization == nil {
return nil
}
content, err := r.Localization.GetWorkContent(ctx, workID, preferredLanguage)
if err != nil || content == "" {
return nil
}
return &content
}

36
graph/server.go Normal file
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package graph
import (
"net/http"
"github.com/99designs/gqlgen/graphql/handler"
"github.com/99designs/gqlgen/graphql/playground"
"tercul/auth"
)
// NewServer creates a new GraphQL server with the given resolver
func NewServer(resolver *Resolver) http.Handler {
srv := handler.NewDefaultServer(NewExecutableSchema(Config{Resolvers: resolver}))
// Create a mux to handle both GraphQL and playground
mux := http.NewServeMux()
mux.Handle("/query", srv)
mux.Handle("/", playground.Handler("GraphQL playground", "/query"))
return mux
}
// NewServerWithAuth creates a new GraphQL server with authentication middleware
func NewServerWithAuth(resolver *Resolver, jwtManager *auth.JWTManager) http.Handler {
srv := handler.NewDefaultServer(NewExecutableSchema(Config{Resolvers: resolver}))
// Apply authentication middleware to GraphQL endpoint
authHandler := auth.GraphQLAuthMiddleware(jwtManager)(srv)
// Create a mux to handle both GraphQL and playground
mux := http.NewServeMux()
mux.Handle("/query", authHandler)
mux.Handle("/", playground.Handler("GraphQL playground", "/query"))
return mux
}

61
graphql/resolver.go Normal file
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@ -0,0 +1,61 @@
package graphql
import (
"context"
"fmt"
"tercul/models"
"tercul/repositories"
)
// Resolver holds repository dependencies.
type Resolver struct {
WorkRepo repositories.WorkRepository
}
// QueryResolver implements Query resolvers.
type QueryResolver struct {
*Resolver
}
func (r *QueryResolver) Work(ctx context.Context, id string) (*models.Work, error) {
var uid uint
_, err := fmt.Sscanf(id, "%d", &uid)
if err != nil {
return nil, err
}
return r.WorkRepo.GetByID(ctx, uid)
}
func (r *QueryResolver) Works(ctx context.Context, filter *struct {
Name *string
Language *string
}, limit *int, offset *int) ([]*models.Work, error) {
// Default pagination values
page := 1
pageSize := 20
if limit != nil {
pageSize = *limit
}
if offset != nil {
page = *offset
}
var paginated *repositories.PaginatedResult[models.Work]
var err error
if filter != nil && filter.Language != nil {
paginated, err = r.WorkRepo.FindByLanguage(ctx, *filter.Language, page, pageSize)
} else {
paginated, err = r.WorkRepo.List(ctx, page, pageSize)
}
if err != nil {
return nil, err
}
result := make([]*models.Work, len(paginated.Items))
for i := range paginated.Items {
result[i] = &paginated.Items[i]
}
return result, nil
}

418
graphql/schema.graphqls Normal file
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schema {
query: Query
}
type Query {
work(id: ID!): Work
works(filter: WorkFilter, limit: Int, offset: Int): [Work!]!
translation(id: ID!): Translation
author(id: ID!): Author
user(id: ID!): User
media(id: ID!): Media
book(id: ID!): Book
}
input WorkFilter {
name: String
language: String
}
type Work {
id: ID!
name: String
language: String
source: Source
embedding: Embedding
copyright: Copyright
collection: Collection
tags: [Tag]
readabilityScore: ReadabilityScore
media: [Media]
writingStyle: WritingStyle
emotion: Emotion
translations: [Translation]
category: Category
topicCluster: TopicCluster
mood: Mood
concept: Concept
linguisticLayer: LinguisticLayer
workStats: WorkStats
textMetadata: TextMetadata
poeticAnalysis: PoeticAnalysis
hybridEntityWork: HybridEntity_Work
copyrightClaim: CopyrightClaim
}
type Translation {
id: ID!
name: String
language: String
work: Work
embedding: Embedding
translationStats: TranslationStats
hybridEntityWork: HybridEntity_Work
copyright: Copyright
copyrightClaim: CopyrightClaim
}
type TopicCluster {
id: ID!
name: String
works: [Work]
}
type Emotion {
id: ID!
name: String
language: String
user: User
work: Work
collection: Collection
}
type Embedding {
id: ID!
vector: [Float]
work: Work
translation: Translation
}
type Gamification {
id: ID!
name: String
user: User
}
type Contribution {
id: ID!
name: String
user: User
}
type Stats {
id: ID!
name: String
user: User
work: Work
}
type LanguageAnalysis {
id: ID!
name: String
work: Work
}
type WritingStyle {
id: ID!
name: String
language: String
work: Work
}
type Media {
id: ID!
name: String
language: String
author: Author
translation: Translation
country: Country
city: City
mediaStats: MediaStats
copyright: Copyright
copyrightClaim: CopyrightClaim
}
type Collection {
id: ID!
name: String
works: [Work]
collectionStats: CollectionStats
}
type Bookmark {
id: ID!
name: String
work: Work
}
type Word {
id: ID!
name: String
concept: Concept
work: Work
}
type Copyright {
id: ID!
name: String
language: String
workOwner: Author
}
type Admin {
id: ID!
name: String
user: User
work: Work
}
type Author {
id: ID!
name: String
language: String
works: [Work]
books: [Book]
country: Country
city: City
place: Place
address: Address
copyrightClaim: CopyrightClaim
copyright: Copyright
}
type Category {
id: ID!
name: String
works: [Work]
}
type User {
id: ID!
name: String
works: [Work]
bookmarks: [Bookmark]
translations: [Translation]
collections: [Collection]
likes: [Like]
comments: [Comment]
authors: [Author]
topicClusters: [TopicCluster]
country: Country
city: City
userStats: UserStats
books: [Book]
media: [Media]
address: Address
emotions: [Emotion]
copyrightClaims: [CopyrightClaim]
}
type Book {
id: ID!
name: String
language: String
works: [Work]
bookStats: BookStats
copyright: Copyright
copyrightClaim: CopyrightClaim
}
type Source {
id: ID!
name: String
language: String
copyrights: [Copyright]
copyrightClaims: [CopyrightClaim]
}
type Tag {
id: ID!
name: String
works: [Work]
}
type Concept {
id: ID!
name: String
words: [Word]
works: [Work]
}
type Comment {
id: ID!
text: String
user: User
work: Work
}
type ReadabilityScore {
id: ID!
score: Float
language: String
work: Work
}
type LanguageEntity {
id: ID!
name: String
}
type Vote {
id: ID!
value: Int
user: User
}
type Edition {
id: ID!
version: String
book: Book
work: Work
}
type LinguisticLayer {
id: ID!
name: String
language: String
works: [Work]
}
type Mood {
id: ID!
name: String
language: String
works: [Work]
}
type Like {
id: ID!
name: String
user: User
}
type Notification {
id: ID!
message: String
language: String
user: User
}
type EditorialWorkflow {
id: ID!
stage: String
language: String
work: Work
}
type Monetization {
id: ID!
amount: Float
language: String
author: Author
work: Work
}
type Country {
id: ID!
name: String
language: String
users: [User]
media: [Media]
authors: [Author]
}
type City {
id: ID!
name: String
language: String
users: [User]
media: [Media]
authors: [Author]
}
type Address {
id: ID!
street: String
city: City
place: Place
}
type WorkStats {
id: ID!
views: Int
work: Work
}
type TranslationStats {
id: ID!
views: Int
translation: Translation
}
type MediaStats {
id: ID!
views: Int
media: Media
}
type UserStats {
id: ID!
activity: Int
user: User
}
type Place {
id: ID!
name: String
language: String
authors: [Author]
}
type BookStats {
id: ID!
sales: Int
book: Book
}
type CollectionStats {
id: ID!
items: Int
collection: Collection
}
type TextMetadata {
id: ID!
analysis: String
language: String
work: Work
translation: Translation
copyright: Copyright
}
type PoeticAnalysis {
id: ID!
structure: String
language: String
work: Work
copyright: Copyright
copyrightClaim: CopyrightClaim
}
type HybridEntity_Work {
id: ID!
name: String
work: Work
translation: Translation
topicCluster: TopicCluster
}
type CopyrightClaim {
id: ID!
details: String
work: Work
translation: Translation
author: Author
source: Source
contributor: Contributor
}
type Contributor {
id: ID!
name: String
copyrightClaims: [CopyrightClaim]
copyrights: [Copyright]
contributions: [Contribution]
gamification: [Gamification]
works: [Work]
media: [Media]
}

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package app
import (
"tercul/cache"
"tercul/config"
"tercul/db"
"tercul/linguistics"
"tercul/logger"
"tercul/repositories"
"tercul/services"
"time"
"github.com/hibiken/asynq"
"github.com/weaviate/weaviate-go-client/v5/weaviate"
"gorm.io/gorm"
)
// ApplicationBuilder handles the initialization of all application components
type ApplicationBuilder struct {
dbConn *gorm.DB
redisCache cache.Cache
weaviateClient *weaviate.Client
asynqClient *asynq.Client
repositories *RepositoryContainer
services *ServiceContainer
linguistics *linguistics.LinguisticsFactory
}
// RepositoryContainer holds all repository instances
type RepositoryContainer struct {
WorkRepository repositories.WorkRepository
UserRepository repositories.UserRepository
AuthorRepository repositories.AuthorRepository
TranslationRepository repositories.TranslationRepository
CommentRepository repositories.CommentRepository
LikeRepository repositories.LikeRepository
BookmarkRepository repositories.BookmarkRepository
CollectionRepository repositories.CollectionRepository
TagRepository repositories.TagRepository
CategoryRepository repositories.CategoryRepository
CopyrightRepository repositories.CopyrightRepository
}
// ServiceContainer holds all service instances
type ServiceContainer struct {
WorkService services.WorkService
CopyrightService services.CopyrightService
LocalizationService services.LocalizationService
AuthService services.AuthService
}
// NewApplicationBuilder creates a new ApplicationBuilder
func NewApplicationBuilder() *ApplicationBuilder {
return &ApplicationBuilder{}
}
// BuildDatabase initializes the database connection
func (b *ApplicationBuilder) BuildDatabase() error {
logger.LogInfo("Initializing database connection")
dbConn, err := db.InitDB()
if err != nil {
logger.LogFatal("Failed to initialize database - application cannot start without database connection",
logger.F("error", err),
logger.F("host", config.Cfg.DBHost),
logger.F("database", config.Cfg.DBName))
return err
}
b.dbConn = dbConn
logger.LogInfo("Database initialized successfully",
logger.F("host", config.Cfg.DBHost),
logger.F("database", config.Cfg.DBName))
return nil
}
// BuildCache initializes the Redis cache
func (b *ApplicationBuilder) BuildCache() error {
logger.LogInfo("Initializing Redis cache")
redisCache, err := cache.NewDefaultRedisCache()
if err != nil {
logger.LogWarn("Failed to initialize Redis cache, continuing without caching - performance may be degraded",
logger.F("error", err),
logger.F("redisAddr", config.Cfg.RedisAddr))
} else {
b.redisCache = redisCache
logger.LogInfo("Redis cache initialized successfully",
logger.F("redisAddr", config.Cfg.RedisAddr))
}
return nil
}
// BuildWeaviate initializes the Weaviate client
func (b *ApplicationBuilder) BuildWeaviate() error {
logger.LogInfo("Connecting to Weaviate",
logger.F("host", config.Cfg.WeaviateHost),
logger.F("scheme", config.Cfg.WeaviateScheme))
wClient, err := weaviate.NewClient(weaviate.Config{
Scheme: config.Cfg.WeaviateScheme,
Host: config.Cfg.WeaviateHost,
})
if err != nil {
logger.LogFatal("Failed to create Weaviate client - vector search capabilities will not be available",
logger.F("error", err),
logger.F("host", config.Cfg.WeaviateHost),
logger.F("scheme", config.Cfg.WeaviateScheme))
return err
}
b.weaviateClient = wClient
logger.LogInfo("Weaviate client initialized successfully")
return nil
}
// BuildBackgroundJobs initializes Asynq for background job processing
func (b *ApplicationBuilder) BuildBackgroundJobs() error {
logger.LogInfo("Setting up background job processing",
logger.F("redisAddr", config.Cfg.RedisAddr))
redisOpt := asynq.RedisClientOpt{
Addr: config.Cfg.RedisAddr,
Password: config.Cfg.RedisPassword,
DB: config.Cfg.RedisDB,
}
asynqClient := asynq.NewClient(redisOpt)
b.asynqClient = asynqClient
logger.LogInfo("Background job client initialized successfully")
return nil
}
// BuildRepositories initializes all repositories
func (b *ApplicationBuilder) BuildRepositories() error {
logger.LogInfo("Initializing repositories")
// Initialize base repositories
baseWorkRepo := repositories.NewWorkRepository(b.dbConn)
userRepo := repositories.NewUserRepository(b.dbConn)
authorRepo := repositories.NewAuthorRepository(b.dbConn)
translationRepo := repositories.NewTranslationRepository(b.dbConn)
commentRepo := repositories.NewCommentRepository(b.dbConn)
likeRepo := repositories.NewLikeRepository(b.dbConn)
bookmarkRepo := repositories.NewBookmarkRepository(b.dbConn)
collectionRepo := repositories.NewCollectionRepository(b.dbConn)
tagRepo := repositories.NewTagRepository(b.dbConn)
categoryRepo := repositories.NewCategoryRepository(b.dbConn)
copyrightRepo := repositories.NewCopyrightRepository(b.dbConn)
// Wrap work repository with cache if available
var workRepo repositories.WorkRepository
if b.redisCache != nil {
workRepo = repositories.NewCachedWorkRepository(
baseWorkRepo,
b.redisCache,
nil,
30*time.Minute, // Cache work data for 30 minutes
)
logger.LogInfo("Using cached work repository")
} else {
workRepo = baseWorkRepo
logger.LogInfo("Using non-cached work repository")
}
b.repositories = &RepositoryContainer{
WorkRepository: workRepo,
UserRepository: userRepo,
AuthorRepository: authorRepo,
TranslationRepository: translationRepo,
CommentRepository: commentRepo,
LikeRepository: likeRepo,
BookmarkRepository: bookmarkRepo,
CollectionRepository: collectionRepo,
TagRepository: tagRepo,
CategoryRepository: categoryRepo,
CopyrightRepository: copyrightRepo,
}
logger.LogInfo("Repositories initialized successfully")
return nil
}
// BuildLinguistics initializes the linguistics components
func (b *ApplicationBuilder) BuildLinguistics() error {
logger.LogInfo("Initializing linguistic analyzer")
b.linguistics = linguistics.NewLinguisticsFactory(
b.dbConn,
b.redisCache,
4, // Default concurrency
true, // Cache enabled
)
logger.LogInfo("Linguistics components initialized successfully")
return nil
}
// BuildServices initializes all services
func (b *ApplicationBuilder) BuildServices() error {
logger.LogInfo("Initializing service layer")
workService := services.NewWorkService(b.repositories.WorkRepository, b.linguistics.GetAnalyzer())
copyrightService := services.NewCopyrightService(b.repositories.CopyrightRepository)
localizationService := services.NewLocalizationService(b.repositories.TranslationRepository)
authService := services.NewAuthService(b.repositories.UserRepository)
b.services = &ServiceContainer{
WorkService: workService,
CopyrightService: copyrightService,
LocalizationService: localizationService,
AuthService: authService,
}
logger.LogInfo("Services initialized successfully")
return nil
}
// Build initializes all components in the correct order
func (b *ApplicationBuilder) Build() error {
// Build components in dependency order
if err := b.BuildDatabase(); err != nil {
return err
}
if err := b.BuildCache(); err != nil {
return err
}
if err := b.BuildWeaviate(); err != nil {
return err
}
if err := b.BuildBackgroundJobs(); err != nil {
return err
}
if err := b.BuildRepositories(); err != nil {
return err
}
if err := b.BuildLinguistics(); err != nil {
return err
}
if err := b.BuildServices(); err != nil {
return err
}
logger.LogInfo("Application builder completed successfully")
return nil
}
// GetDatabase returns the database connection
func (b *ApplicationBuilder) GetDatabase() *gorm.DB {
return b.dbConn
}
// GetCache returns the cache instance
func (b *ApplicationBuilder) GetCache() cache.Cache {
return b.redisCache
}
// GetWeaviateClient returns the Weaviate client
func (b *ApplicationBuilder) GetWeaviateClient() *weaviate.Client {
return b.weaviateClient
}
// GetAsynqClient returns the Asynq client
func (b *ApplicationBuilder) GetAsynqClient() *asynq.Client {
return b.asynqClient
}
// GetRepositories returns the repository container
func (b *ApplicationBuilder) GetRepositories() *RepositoryContainer {
return b.repositories
}
// GetServices returns the service container
func (b *ApplicationBuilder) GetServices() *ServiceContainer {
return b.services
}
// GetLinguistics returns the linguistics factory
func (b *ApplicationBuilder) GetLinguistics() *linguistics.LinguisticsFactory {
return b.linguistics
}
// Close closes all resources
func (b *ApplicationBuilder) Close() error {
if b.asynqClient != nil {
b.asynqClient.Close()
}
if b.dbConn != nil {
sqlDB, err := b.dbConn.DB()
if err == nil {
sqlDB.Close()
}
}
return nil
}

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package app
import (
"net/http"
"tercul/auth"
"tercul/config"
"tercul/graph"
"tercul/linguistics"
"tercul/logger"
"tercul/syncjob"
"github.com/99designs/gqlgen/graphql/playground"
"github.com/hibiken/asynq"
)
// ServerFactory handles the creation of HTTP and background job servers
type ServerFactory struct {
appBuilder *ApplicationBuilder
}
// NewServerFactory creates a new ServerFactory
func NewServerFactory(appBuilder *ApplicationBuilder) *ServerFactory {
return &ServerFactory{
appBuilder: appBuilder,
}
}
// CreateGraphQLServer creates and configures the GraphQL server
func (f *ServerFactory) CreateGraphQLServer() (*http.Server, error) {
logger.LogInfo("Setting up GraphQL server")
// Create GraphQL resolver with all dependencies
resolver := &graph.Resolver{
WorkRepo: f.appBuilder.GetRepositories().WorkRepository,
UserRepo: f.appBuilder.GetRepositories().UserRepository,
AuthorRepo: f.appBuilder.GetRepositories().AuthorRepository,
TranslationRepo: f.appBuilder.GetRepositories().TranslationRepository,
CommentRepo: f.appBuilder.GetRepositories().CommentRepository,
LikeRepo: f.appBuilder.GetRepositories().LikeRepository,
BookmarkRepo: f.appBuilder.GetRepositories().BookmarkRepository,
CollectionRepo: f.appBuilder.GetRepositories().CollectionRepository,
TagRepo: f.appBuilder.GetRepositories().TagRepository,
CategoryRepo: f.appBuilder.GetRepositories().CategoryRepository,
WorkService: f.appBuilder.GetServices().WorkService,
Localization: f.appBuilder.GetServices().LocalizationService,
AuthService: f.appBuilder.GetServices().AuthService,
}
// Create JWT manager for authentication
jwtManager := auth.NewJWTManager()
// Create GraphQL server with authentication
srv := graph.NewServerWithAuth(resolver, jwtManager)
// Create HTTP server with middleware
httpServer := &http.Server{
Addr: config.Cfg.ServerPort,
Handler: srv,
}
logger.LogInfo("GraphQL server created successfully",
logger.F("port", config.Cfg.ServerPort))
return httpServer, nil
}
// CreateBackgroundJobServers creates and configures background job servers
func (f *ServerFactory) CreateBackgroundJobServers() ([]*asynq.Server, error) {
logger.LogInfo("Setting up background job servers")
redisOpt := asynq.RedisClientOpt{
Addr: config.Cfg.RedisAddr,
Password: config.Cfg.RedisPassword,
DB: config.Cfg.RedisDB,
}
var servers []*asynq.Server
// Setup data synchronization server
logger.LogInfo("Setting up data synchronization server",
logger.F("concurrency", config.Cfg.MaxRetries))
syncServer := asynq.NewServer(redisOpt, asynq.Config{Concurrency: config.Cfg.MaxRetries})
// Create sync job instance
syncJobInstance := syncjob.NewSyncJob(
f.appBuilder.GetDatabase(),
f.appBuilder.GetAsynqClient(),
)
// Register sync job handlers
syncjob.RegisterQueueHandlers(syncServer, syncJobInstance)
servers = append(servers, syncServer)
// Setup linguistic analysis server
logger.LogInfo("Setting up linguistic analysis server",
logger.F("concurrency", config.Cfg.MaxRetries))
// Create linguistic sync job
linguisticSyncJob := linguistics.NewLinguisticSyncJob(
f.appBuilder.GetDatabase(),
f.appBuilder.GetLinguistics().GetAnalyzer(),
f.appBuilder.GetAsynqClient(),
)
// Create linguistic server and register handlers
linguisticServer := asynq.NewServer(redisOpt, asynq.Config{Concurrency: config.Cfg.MaxRetries})
// Register linguistic handlers
linguisticMux := asynq.NewServeMux()
linguistics.RegisterLinguisticHandlers(linguisticMux, linguisticSyncJob)
// For now, we'll need to run the server with the mux when it's started
// This is a temporary workaround - in production, you'd want to properly configure the server
servers = append(servers, linguisticServer)
logger.LogInfo("Background job servers created successfully",
logger.F("serverCount", len(servers)))
return servers, nil
}
// CreatePlaygroundServer creates the GraphQL playground server
func (f *ServerFactory) CreatePlaygroundServer() *http.Server {
logger.LogInfo("Setting up GraphQL playground")
playgroundHandler := playground.Handler("GraphQL", "/query")
playgroundServer := &http.Server{
Addr: config.Cfg.PlaygroundPort,
Handler: playgroundHandler,
}
logger.LogInfo("GraphQL playground created successfully",
logger.F("port", config.Cfg.PlaygroundPort))
return playgroundServer
}

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package main
import (
"context"
"log"
"os"
"os/signal"
"syscall"
"time"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"tercul/config"
"tercul/internal/enrich"
"tercul/internal/store"
)
func main() {
log.Println("Starting enrichment service...")
// Create a context that can be cancelled
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// Set up signal handling
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
go func() {
sig := <-sigCh
log.Printf("Received signal %v, shutting down...", sig)
cancel()
}()
// Load configuration
config.LoadConfig()
// Connect to the database
dsn := os.Getenv("DATABASE_URL")
if dsn == "" {
dsn = config.Cfg.GetDSN()
}
db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
if err != nil {
log.Fatalf("Failed to connect to database: %v", err)
}
// Create a store.DB
storeDB := &store.DB{DB: db}
// Create the enrichment registry
registry := enrich.DefaultRegistry()
// Process pending works
if err := store.ProcessPendingWorks(ctx, registry, storeDB); err != nil {
log.Fatalf("Failed to process pending works: %v", err)
}
// Set up a ticker to periodically process pending works
ticker := time.NewTicker(5 * time.Minute)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
log.Println("Shutting down...")
return
case <-ticker.C:
log.Println("Processing pending works...")
if err := store.ProcessPendingWorks(ctx, registry, storeDB); err != nil {
log.Printf("Failed to process pending works: %v", err)
}
}
}
}

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package enrich
import (
"sort"
"strings"
"unicode"
)
// KeywordExtractor extracts keywords from text
type KeywordExtractor struct{}
// NewKeywordExtractor creates a new KeywordExtractor
func NewKeywordExtractor() *KeywordExtractor {
return &KeywordExtractor{}
}
// Extract extracts keywords from text and returns them
func (e *KeywordExtractor) Extract(text Text) ([]Keyword, error) {
// This is a simplified implementation
// In a real-world scenario, you would use a library like github.com/jdkato/prose
// or call an external API for keyword extraction
content := strings.ToLower(text.Body)
// Split into words
words := strings.FieldsFunc(content, func(r rune) bool {
return !unicode.IsLetter(r) && !unicode.IsNumber(r)
})
// Count word frequencies
wordFreq := make(map[string]int)
for _, word := range words {
if len(word) > 2 { // Skip very short words
wordFreq[word]++
}
}
// Filter out stop words
for word := range wordFreq {
if isStopWord(word) {
delete(wordFreq, word)
}
}
// Convert to keywords
keywords := make([]Keyword, 0, len(wordFreq))
totalWords := len(words)
for word, count := range wordFreq {
// Calculate relevance based on frequency
relevance := float64(count) / float64(totalWords)
// Boost longer words slightly
relevance *= (1.0 + float64(len(word))/20.0)
keywords = append(keywords, Keyword{
Text: word,
Relevance: relevance,
})
}
// Sort by relevance
sort.Slice(keywords, func(i, j int) bool {
return keywords[i].Relevance > keywords[j].Relevance
})
// Limit to top keywords
maxKeywords := 20
if len(keywords) > maxKeywords {
keywords = keywords[:maxKeywords]
}
return keywords, nil
}
// isStopWord checks if a word is a common stop word
func isStopWord(word string) bool {
stopWords := map[string]bool{
"a": true, "about": true, "above": true, "after": true, "again": true,
"against": true, "all": true, "am": true, "an": true, "and": true,
"any": true, "are": true, "as": true, "at": true, "be": true,
"because": true, "been": true, "before": true, "being": true, "below": true,
"between": true, "both": true, "but": true, "by": true, "can": true,
"did": true, "do": true, "does": true, "doing": true, "don": true,
"down": true, "during": true, "each": true, "few": true, "for": true,
"from": true, "further": true, "had": true, "has": true, "have": true,
"having": true, "he": true, "her": true, "here": true, "hers": true,
"herself": true, "him": true, "himself": true, "his": true, "how": true,
"i": true, "if": true, "in": true, "into": true, "is": true,
"it": true, "its": true, "itself": true, "just": true, "me": true,
"more": true, "most": true, "my": true, "myself": true, "no": true,
"nor": true, "not": true, "now": true, "of": true, "off": true,
"on": true, "once": true, "only": true, "or": true, "other": true,
"our": true, "ours": true, "ourselves": true, "out": true, "over": true,
"own": true, "same": true, "she": true, "should": true, "so": true,
"some": true, "such": true, "than": true, "that": true, "the": true,
"their": true, "theirs": true, "them": true, "themselves": true, "then": true,
"there": true, "these": true, "they": true, "this": true, "those": true,
"through": true, "to": true, "too": true, "under": true, "until": true,
"up": true, "very": true, "was": true, "we": true, "were": true,
"what": true, "when": true, "where": true, "which": true, "while": true,
"who": true, "whom": true, "why": true, "will": true, "with": true,
"would": true, "you": true, "your": true, "yours": true, "yourself": true,
"yourselves": true,
}
return stopWords[word]
}

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package enrich
import (
"strings"
)
// LanguageDetector detects the language of a text
type LanguageDetector struct{}
// NewLanguageDetector creates a new LanguageDetector
func NewLanguageDetector() *LanguageDetector {
return &LanguageDetector{}
}
// Detect detects the language of a text and returns the language code, confidence, and error
func (d *LanguageDetector) Detect(text Text) (string, float64, error) {
// This is a simplified implementation
// In a real-world scenario, you would use a library like github.com/pemistahl/lingua-go
// or call an external API for language detection
// For demonstration purposes, we'll use a simple heuristic based on common words
content := strings.ToLower(text.Body)
// Check for English
englishWords := []string{"the", "and", "is", "in", "to", "of", "that", "for"}
englishCount := countWords(content, englishWords)
// Check for Spanish
spanishWords := []string{"el", "la", "es", "en", "de", "que", "por", "para"}
spanishCount := countWords(content, spanishWords)
// Check for French
frenchWords := []string{"le", "la", "est", "en", "de", "que", "pour", "dans"}
frenchCount := countWords(content, frenchWords)
// Determine the most likely language
if englishCount > spanishCount && englishCount > frenchCount {
return "en", 0.7, nil
} else if spanishCount > englishCount && spanishCount > frenchCount {
return "es", 0.7, nil
} else if frenchCount > englishCount && frenchCount > spanishCount {
return "fr", 0.7, nil
}
// Default to English if we can't determine the language
return "en", 0.5, nil
}
// countWords counts the occurrences of words in a text
func countWords(text string, words []string) int {
count := 0
for _, word := range words {
count += strings.Count(text, " "+word+" ")
}
return count
}

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package enrich
import (
"strings"
)
// Lemmatizer finds the base form (lemma) of words
type Lemmatizer struct{}
// NewLemmatizer creates a new Lemmatizer
func NewLemmatizer() *Lemmatizer {
return &Lemmatizer{}
}
// Lemma finds the base form (lemma) of a word and returns it
func (l *Lemmatizer) Lemma(word string, language string) (string, error) {
// This is a simplified implementation
// In a real-world scenario, you would use a library like github.com/jdkato/prose
// or call an external API for lemmatization
// Convert to lowercase
word = strings.ToLower(word)
// Handle different languages
switch language {
case "en":
return englishLemma(word), nil
case "es":
return spanishLemma(word), nil
case "fr":
return frenchLemma(word), nil
default:
// Default to English
return englishLemma(word), nil
}
}
// englishLemma finds the base form of an English word
func englishLemma(word string) string {
// Check for irregular verbs
irregularVerbs := map[string]string{
"am": "be",
"are": "be",
"is": "be",
"was": "be",
"were": "be",
"been": "be",
"have": "have",
"has": "have",
"had": "have",
"do": "do",
"does": "do",
"did": "do",
"done": "do",
"go": "go",
"goes": "go",
"went": "go",
"gone": "go",
"get": "get",
"gets": "get",
"got": "get",
"gotten": "get",
"make": "make",
"makes": "make",
"made": "make",
"say": "say",
"says": "say",
"said": "say",
"see": "see",
"sees": "see",
"saw": "see",
"seen": "see",
"come": "come",
"comes": "come",
"came": "come",
"take": "take",
"takes": "take",
"took": "take",
"taken": "take",
"know": "know",
"knows": "know",
"knew": "know",
"known": "know",
"think": "think",
"thinks": "think",
"thought": "think",
}
if lemma, ok := irregularVerbs[word]; ok {
return lemma
}
// Check for plural nouns
if strings.HasSuffix(word, "s") && len(word) > 2 {
// Check for common plural endings
if strings.HasSuffix(word, "ies") && len(word) > 3 {
return word[:len(word)-3] + "y"
} else if strings.HasSuffix(word, "es") && len(word) > 2 {
return word[:len(word)-2]
} else if strings.HasSuffix(word, "s") && len(word) > 1 {
return word[:len(word)-1]
}
}
// Check for verb forms
if strings.HasSuffix(word, "ing") && len(word) > 3 {
// Check for doubled consonant
if len(word) > 4 && word[len(word)-4] == word[len(word)-5] {
return word[:len(word)-4]
}
return word[:len(word)-3]
} else if strings.HasSuffix(word, "ed") && len(word) > 2 {
// Check for doubled consonant
if len(word) > 3 && word[len(word)-3] == word[len(word)-4] {
return word[:len(word)-3]
}
return word[:len(word)-2]
}
// Return the original word if no rules apply
return word
}
// spanishLemma finds the base form of a Spanish word
func spanishLemma(word string) string {
// Simplified implementation for Spanish
// In a real-world scenario, you would use a more comprehensive approach
// Check for verb endings
if strings.HasSuffix(word, "ar") || strings.HasSuffix(word, "er") || strings.HasSuffix(word, "ir") {
return word
} else if strings.HasSuffix(word, "ando") || strings.HasSuffix(word, "endo") {
return word[:len(word)-4]
} else if strings.HasSuffix(word, "ado") || strings.HasSuffix(word, "ido") {
return word[:len(word)-3]
}
// Check for plural nouns
if strings.HasSuffix(word, "es") && len(word) > 2 {
return word[:len(word)-2]
} else if strings.HasSuffix(word, "s") && len(word) > 1 {
return word[:len(word)-1]
}
// Return the original word if no rules apply
return word
}
// frenchLemma finds the base form of a French word
func frenchLemma(word string) string {
// Simplified implementation for French
// In a real-world scenario, you would use a more comprehensive approach
// Check for verb endings
if strings.HasSuffix(word, "er") || strings.HasSuffix(word, "ir") || strings.HasSuffix(word, "re") {
return word
} else if strings.HasSuffix(word, "ant") || strings.HasSuffix(word, "ent") {
return word[:len(word)-3]
} else if strings.HasSuffix(word, "é") || strings.HasSuffix(word, "i") {
return word[:len(word)-1]
}
// Check for plural nouns
if strings.HasSuffix(word, "s") && len(word) > 1 {
return word[:len(word)-1]
} else if strings.HasSuffix(word, "x") && len(word) > 1 {
return word[:len(word)-1]
}
// Return the original word if no rules apply
return word
}

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package enrich
import (
"strings"
)
// PhoneticEncoder encodes words phonetically
type PhoneticEncoder struct{}
// NewPhoneticEncoder creates a new PhoneticEncoder
func NewPhoneticEncoder() *PhoneticEncoder {
return &PhoneticEncoder{}
}
// Encode encodes a word phonetically and returns the encoding
func (e *PhoneticEncoder) Encode(word string) string {
// This is a simplified implementation of the Soundex algorithm
// In a real-world scenario, you would use a library like github.com/jdkato/prose
// or call an external API for phonetic encoding
// Convert to uppercase
word = strings.ToUpper(word)
// Remove non-alphabetic characters
var sb strings.Builder
for _, r := range word {
if r >= 'A' && r <= 'Z' {
sb.WriteRune(r)
}
}
word = sb.String()
// Return empty string for empty input
if len(word) == 0 {
return ""
}
// Keep the first letter
result := string(word[0])
// Map consonants to digits
for i := 1; i < len(word); i++ {
c := word[i]
var code byte
switch c {
case 'B', 'F', 'P', 'V':
code = '1'
case 'C', 'G', 'J', 'K', 'Q', 'S', 'X', 'Z':
code = '2'
case 'D', 'T':
code = '3'
case 'L':
code = '4'
case 'M', 'N':
code = '5'
case 'R':
code = '6'
default:
code = '0' // Vowels and 'H', 'W', 'Y'
}
// Skip vowels and 'H', 'W', 'Y'
if code == '0' {
continue
}
// Skip duplicates
if i > 1 && code == result[len(result)-1] {
continue
}
result += string(code)
// Limit to 4 characters
if len(result) >= 4 {
break
}
}
// Pad with zeros if necessary
for len(result) < 4 {
result += "0"
}
return result
}
// DoubleMetaphone is an alternative phonetic algorithm
func (e *PhoneticEncoder) DoubleMetaphone(word string) (string, string) {
// This is a simplified implementation of the Double Metaphone algorithm
// In a real-world scenario, you would use a library or call an external API
// For simplicity, we'll just return the Soundex code and a variation
soundex := e.Encode(word)
// Create a variation by replacing the first digit with the next digit
var variation string
if len(soundex) > 1 {
firstDigit := soundex[1]
var nextDigit byte
if firstDigit >= '6' {
nextDigit = '1'
} else {
nextDigit = firstDigit + 1
}
variation = string(soundex[0]) + string(nextDigit) + soundex[2:]
} else {
variation = soundex
}
return soundex, variation
}

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package enrich
import (
"strings"
"unicode"
)
// PoeticAnalyzer analyzes the poetic structure of text
type PoeticAnalyzer struct{}
// NewPoeticAnalyzer creates a new PoeticAnalyzer
func NewPoeticAnalyzer() *PoeticAnalyzer {
return &PoeticAnalyzer{}
}
// Analyse analyzes the poetic structure of text and returns metrics
func (a *PoeticAnalyzer) Analyse(text Text) (PoeticMetrics, error) {
// This is a simplified implementation
// In a real-world scenario, you would use a more sophisticated approach
content := text.Body
// Split into lines
lines := strings.Split(content, "\n")
// Count non-empty lines
var nonEmptyLines []string
for _, line := range lines {
if strings.TrimSpace(line) != "" {
nonEmptyLines = append(nonEmptyLines, line)
}
}
// Count stanzas (groups of lines separated by blank lines)
stanzaCount := 0
inStanza := false
for _, line := range lines {
if strings.TrimSpace(line) == "" {
if inStanza {
inStanza = false
}
} else {
if !inStanza {
inStanza = true
stanzaCount++
}
}
}
// Ensure at least one stanza if there are lines
if len(nonEmptyLines) > 0 && stanzaCount == 0 {
stanzaCount = 1
}
// Detect rhyme scheme
rhymeScheme := detectRhymeScheme(nonEmptyLines)
// Detect meter type
meterType := detectMeterType(nonEmptyLines)
// Determine structure
structure := determineStructure(stanzaCount, len(nonEmptyLines), rhymeScheme, meterType)
metrics := PoeticMetrics{
RhymeScheme: rhymeScheme,
MeterType: meterType,
StanzaCount: stanzaCount,
LineCount: len(nonEmptyLines),
Structure: structure,
}
return metrics, nil
}
// detectRhymeScheme detects the rhyme scheme of a poem
func detectRhymeScheme(lines []string) string {
// This is a simplified implementation
// In a real-world scenario, you would use phonetic analysis
if len(lines) < 2 {
return "Unknown"
}
// Extract last word of each line
lastWords := make([]string, len(lines))
for i, line := range lines {
words := strings.Fields(line)
if len(words) > 0 {
lastWords[i] = strings.ToLower(words[len(words)-1])
// Remove punctuation
lastWords[i] = strings.TrimFunc(lastWords[i], func(r rune) bool {
return !unicode.IsLetter(r)
})
}
}
// Check for common rhyme schemes
// Check for AABB pattern
if len(lines) >= 4 {
if endsMatch(lastWords[0], lastWords[1]) && endsMatch(lastWords[2], lastWords[3]) {
return "AABB"
}
}
// Check for ABAB pattern
if len(lines) >= 4 {
if endsMatch(lastWords[0], lastWords[2]) && endsMatch(lastWords[1], lastWords[3]) {
return "ABAB"
}
}
// Check for ABBA pattern
if len(lines) >= 4 {
if endsMatch(lastWords[0], lastWords[3]) && endsMatch(lastWords[1], lastWords[2]) {
return "ABBA"
}
}
// Check for AAAA pattern
if len(lines) >= 4 {
if endsMatch(lastWords[0], lastWords[1]) && endsMatch(lastWords[1], lastWords[2]) && endsMatch(lastWords[2], lastWords[3]) {
return "AAAA"
}
}
// Default
return "Irregular"
}
// detectMeterType detects the meter type of a poem
func detectMeterType(lines []string) string {
// This is a simplified implementation
// In a real-world scenario, you would use syllable counting and stress patterns
if len(lines) == 0 {
return "Unknown"
}
// Count syllables in each line
syllableCounts := make([]int, len(lines))
for i, line := range lines {
syllableCounts[i] = countSyllables(line)
}
// Check for common meter types
// Check for iambic pentameter (around 10 syllables per line)
pentameterCount := 0
for _, count := range syllableCounts {
if count >= 9 && count <= 11 {
pentameterCount++
}
}
if float64(pentameterCount)/float64(len(lines)) > 0.7 {
return "Iambic Pentameter"
}
// Check for tetrameter (around 8 syllables per line)
tetrameterCount := 0
for _, count := range syllableCounts {
if count >= 7 && count <= 9 {
tetrameterCount++
}
}
if float64(tetrameterCount)/float64(len(lines)) > 0.7 {
return "Tetrameter"
}
// Check for trimeter (around 6 syllables per line)
trimeterCount := 0
for _, count := range syllableCounts {
if count >= 5 && count <= 7 {
trimeterCount++
}
}
if float64(trimeterCount)/float64(len(lines)) > 0.7 {
return "Trimeter"
}
// Default
return "Free Verse"
}
// determineStructure determines the overall structure of a poem
func determineStructure(stanzaCount, lineCount int, rhymeScheme, meterType string) string {
// This is a simplified implementation
// Check for common poetic forms
// Sonnet
if lineCount == 14 && (rhymeScheme == "ABAB" || rhymeScheme == "ABBA") && meterType == "Iambic Pentameter" {
return "Sonnet"
}
// Haiku
if lineCount == 3 && stanzaCount == 1 {
return "Haiku"
}
// Limerick
if lineCount == 5 && stanzaCount == 1 && rhymeScheme == "AABBA" {
return "Limerick"
}
// Quatrain
if lineCount%4 == 0 && stanzaCount == lineCount/4 {
return "Quatrain"
}
// Tercet
if lineCount%3 == 0 && stanzaCount == lineCount/3 {
return "Tercet"
}
// Couplet
if lineCount%2 == 0 && stanzaCount == lineCount/2 {
return "Couplet"
}
// Default
return "Free Form"
}
// endsMatch checks if two words have matching endings (simplified rhyme detection)
func endsMatch(word1, word2 string) bool {
// This is a simplified implementation
// In a real-world scenario, you would use phonetic analysis
if len(word1) < 2 || len(word2) < 2 {
return false
}
// Check if the last 2 characters match
return word1[len(word1)-2:] == word2[len(word2)-2:]
}
// countSyllables counts the syllables in a line of text
func countSyllables(line string) int {
// This is a simplified implementation
// In a real-world scenario, you would use a dictionary or ML model
words := strings.Fields(line)
syllableCount := 0
for _, word := range words {
// Clean the word
word = strings.ToLower(word)
word = strings.TrimFunc(word, func(r rune) bool {
return !unicode.IsLetter(r)
})
// Count vowel groups
inVowelGroup := false
for i, r := range word {
isVowelChar := isVowel(r)
// Start of vowel group
if isVowelChar && !inVowelGroup {
inVowelGroup = true
syllableCount++
}
// End of vowel group
if !isVowelChar {
inVowelGroup = false
}
// Handle silent e at the end
if i == len(word)-1 && r == 'e' && i > 0 {
prevChar := rune(word[i-1])
if !isVowel(prevChar) {
syllableCount--
}
}
}
// Ensure at least one syllable per word
if syllableCount == 0 {
syllableCount = 1
}
}
return syllableCount
}
// isVowel checks if a character is a vowel
func isVowel(r rune) bool {
return r == 'a' || r == 'e' || r == 'i' || r == 'o' || r == 'u' || r == 'y'
}

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package enrich
import (
"strings"
)
// POSTagger assigns part-of-speech tags to tokens
type POSTagger struct{}
// NewPOSTagger creates a new POSTagger
func NewPOSTagger() *POSTagger {
return &POSTagger{}
}
// Tag assigns part-of-speech tags to tokens and returns them
func (t *POSTagger) Tag(tokens []Token) ([]string, error) {
// This is a simplified implementation
// In a real-world scenario, you would use a library like github.com/jdkato/prose
// or call an external API for POS tagging
tags := make([]string, len(tokens))
for i, token := range tokens {
// Simplified POS tagging based on word endings and common words
word := strings.ToLower(token.Text)
// Check for common nouns
if isCommonNoun(word) {
tags[i] = "NOUN"
continue
}
// Check for verbs
if isVerb(word) {
tags[i] = "VERB"
continue
}
// Check for adjectives
if isAdjective(word) {
tags[i] = "ADJ"
continue
}
// Check for adverbs
if isAdverb(word) {
tags[i] = "ADV"
continue
}
// Check for prepositions
if isPreposition(word) {
tags[i] = "PREP"
continue
}
// Check for determiners
if isDeterminer(word) {
tags[i] = "DET"
continue
}
// Check for pronouns
if isPronoun(word) {
tags[i] = "PRON"
continue
}
// Default to noun
tags[i] = "NOUN"
}
return tags, nil
}
// Helper functions for POS tagging
func isCommonNoun(word string) bool {
commonNouns := []string{"time", "person", "year", "way", "day", "thing", "man", "world", "life", "hand", "part", "child", "eye", "woman", "place", "work", "week", "case", "point", "government", "company", "number", "group", "problem", "fact"}
for _, noun := range commonNouns {
if word == noun {
return true
}
}
return false
}
func isVerb(word string) bool {
// Check for common verbs
commonVerbs := []string{"is", "are", "was", "were", "be", "have", "has", "had", "do", "does", "did", "will", "would", "can", "could", "shall", "should", "may", "might", "must", "go", "come", "get", "take", "make", "see", "look", "find", "give", "tell", "think", "say", "know"}
for _, verb := range commonVerbs {
if word == verb {
return true
}
}
// Check for verb endings
verbEndings := []string{"ed", "ing", "es", "s"}
for _, ending := range verbEndings {
if strings.HasSuffix(word, ending) && len(word) > len(ending)+1 {
return true
}
}
return false
}
func isAdjective(word string) bool {
// Check for common adjectives
commonAdjectives := []string{"good", "new", "first", "last", "long", "great", "little", "own", "other", "old", "right", "big", "high", "different", "small", "large", "next", "early", "young", "important", "few", "public", "bad", "same", "able"}
for _, adj := range commonAdjectives {
if word == adj {
return true
}
}
// Check for adjective endings
adjEndings := []string{"al", "ful", "ive", "ous", "ish", "able", "less"}
for _, ending := range adjEndings {
if strings.HasSuffix(word, ending) && len(word) > len(ending)+1 {
return true
}
}
return false
}
func isAdverb(word string) bool {
// Check for common adverbs
commonAdverbs := []string{"up", "so", "out", "just", "now", "how", "then", "more", "also", "here", "well", "only", "very", "even", "back", "there", "down", "still", "in", "as", "too", "when", "never", "really", "most"}
for _, adv := range commonAdverbs {
if word == adv {
return true
}
}
// Check for adverb endings
if strings.HasSuffix(word, "ly") && len(word) > 3 {
return true
}
return false
}
func isPreposition(word string) bool {
prepositions := []string{"in", "on", "at", "by", "for", "with", "about", "against", "between", "into", "through", "during", "before", "after", "above", "below", "to", "from", "up", "down", "over", "under", "of"}
for _, prep := range prepositions {
if word == prep {
return true
}
}
return false
}
func isDeterminer(word string) bool {
determiners := []string{"the", "a", "an", "this", "that", "these", "those", "my", "your", "his", "her", "its", "our", "their", "some", "any", "all", "both", "each", "every", "no", "many", "much", "little", "few", "other", "another", "such", "what", "which", "whose"}
for _, det := range determiners {
if word == det {
return true
}
}
return false
}
func isPronoun(word string) bool {
pronouns := []string{"i", "you", "he", "she", "it", "we", "they", "me", "him", "her", "us", "them", "who", "whom", "whose", "which", "what", "whoever", "whatever", "whichever", "myself", "yourself", "himself", "herself", "itself", "ourselves", "themselves"}
for _, pron := range pronouns {
if word == pron {
return true
}
}
return false
}

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package enrich
// Registry holds all the text analysis services
type Registry struct {
Lang *LanguageDetector
Tok *Tokenizer
Pos *POSTagger
Lem *Lemmatizer
Phon *PhoneticEncoder
Key *KeywordExtractor
Poet *PoeticAnalyzer
}
// DefaultRegistry creates a new Registry with default implementations
func DefaultRegistry() *Registry {
return &Registry{
Lang: NewLanguageDetector(),
Tok: NewTokenizer(),
Pos: NewPOSTagger(),
Lem: NewLemmatizer(),
Phon: NewPhoneticEncoder(),
Key: NewKeywordExtractor(),
Poet: NewPoeticAnalyzer(),
}
}
// Text represents a text to be analyzed
type Text struct {
ID uint
Body string
}
// Token represents a token in a text
type Token struct {
Text string
Position int
Offset int
Length int
}
// Keyword represents a keyword extracted from a text
type Keyword struct {
Text string
Relevance float64
}
// PoeticMetrics represents metrics from poetic analysis
type PoeticMetrics struct {
RhymeScheme string
MeterType string
StanzaCount int
LineCount int
Structure string
}

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package enrich
import (
"strings"
"unicode"
)
// Tokenizer splits text into tokens
type Tokenizer struct{}
// NewTokenizer creates a new Tokenizer
func NewTokenizer() *Tokenizer {
return &Tokenizer{}
}
// Tokenize splits text into tokens and returns them
func (t *Tokenizer) Tokenize(text Text) ([]Token, error) {
// This is a simplified implementation
// In a real-world scenario, you would use a library like github.com/jdkato/prose
// or call an external API for tokenization
content := text.Body
var tokens []Token
// Split by whitespace first
words := strings.Fields(content)
offset := 0
for position, word := range words {
// Skip empty words
if len(word) == 0 {
continue
}
// Find the offset of this word in the original text
wordOffset := strings.Index(content[offset:], word) + offset
// Clean the word by removing punctuation at the beginning and end
cleanWord := strings.TrimFunc(word, func(r rune) bool {
return !unicode.IsLetter(r) && !unicode.IsNumber(r)
})
// Skip empty words after cleaning
if len(cleanWord) == 0 {
offset = wordOffset + len(word)
continue
}
// Create a token
token := Token{
Text: cleanWord,
Position: position,
Offset: wordOffset,
Length: len(cleanWord),
}
tokens = append(tokens, token)
offset = wordOffset + len(word)
}
return tokens, nil
}

146
internal/store/db.go Normal file
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package store
import (
"gorm.io/gorm"
"strings"
"tercul/models"
)
// DB represents a database connection
type DB struct {
*gorm.DB
}
// Connect creates a new database connection
func Connect() *DB {
// In a real application, this would use configuration from environment variables
// or a configuration file to connect to the database
// For this example, we'll assume the DB connection is passed in from main.go
return nil
}
// ListPendingWorks returns a list of works that need to be enriched
func ListPendingWorks(db *DB) []Work {
var works []Work
// Query for works that haven't been enriched yet
var modelWorks []models.Work
db.Where("id NOT IN (SELECT work_id FROM language_analyses)").Find(&modelWorks)
// Convert to store.Work
for _, work := range modelWorks {
// Prefer original language translation; fallback to work language; then any
var content string
var t models.Translation
// Try original
if err := db.Where("translatable_type = ? AND translatable_id = ? AND is_original_language = ?", "Work", work.ID, true).
First(&t).Error; err == nil {
content = t.Content
} else {
// Try same language
if err := db.Where("translatable_type = ? AND translatable_id = ? AND language = ?", "Work", work.ID, work.Language).
First(&t).Error; err == nil {
content = t.Content
} else {
// Any translation
if err := db.Where("translatable_type = ? AND translatable_id = ?", "Work", work.ID).
First(&t).Error; err == nil {
content = t.Content
}
}
}
works = append(works, Work{
ID: work.ID,
Body: content,
})
}
return works
}
// UpsertWord creates or updates a word in the database
func UpsertWord(db *DB, workID uint, text, lemma, pos, phonetic string) error {
// Check if the word already exists
var word models.Word
result := db.Where("text = ? AND language = ?", text, "auto").First(&word)
if result.Error != nil && result.Error != gorm.ErrRecordNotFound {
return result.Error
}
// Create or update the word
if result.Error == gorm.ErrRecordNotFound {
// Create new word
word = models.Word{
Text: text,
Language: "auto", // This would be set to the detected language
PartOfSpeech: pos,
Lemma: lemma,
}
if err := db.Create(&word).Error; err != nil {
return err
}
} else {
// Update existing word
word.PartOfSpeech = pos
word.Lemma = lemma
if err := db.Save(&word).Error; err != nil {
return err
}
}
// Associate the word with the work
return db.Exec("INSERT INTO work_words (work_id, word_id) VALUES (?, ?) ON CONFLICT DO NOTHING", workID, word.ID).Error
}
// SaveKeywords saves keywords for a work
func SaveKeywords(db *DB, workID uint, keywords []string) error {
// Clear existing keywords
if err := db.Exec("DELETE FROM work_topic_clusters WHERE work_id = ?", workID).Error; err != nil {
return err
}
// Create a topic cluster for the keywords
cluster := models.TopicCluster{
Name: "Auto-generated",
Description: "Automatically generated keywords",
Keywords: strings.Join(keywords, ", "),
}
if err := db.Create(&cluster).Error; err != nil {
return err
}
// Associate the cluster with the work
return db.Exec("INSERT INTO work_topic_clusters (work_id, topic_cluster_id) VALUES (?, ?)", workID, cluster.ID).Error
}
// SavePoetics saves poetic analysis for a work
func SavePoetics(db *DB, workID uint, metrics PoeticMetrics) error {
poetics := models.PoeticAnalysis{
WorkID: workID,
Language: "auto", // This would be set to the detected language
RhymeScheme: metrics.RhymeScheme,
MeterType: metrics.MeterType,
StanzaCount: metrics.StanzaCount,
LineCount: metrics.LineCount,
Structure: metrics.Structure,
}
return db.Create(&poetics).Error
}
// MarkEnriched marks a work as enriched with the detected language
func MarkEnriched(db *DB, workID uint, language string) error {
// Create a language analysis record to mark the work as processed
analysis := models.LanguageAnalysis{
WorkID: workID,
Language: language,
Analysis: models.JSONB{
"enriched": true,
"language": language,
},
}
return db.Create(&analysis).Error
}

16
internal/store/models.go Normal file
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package store
// Work represents a work to be processed
type Work struct {
ID uint
Body string
}
// PoeticMetrics represents metrics from poetic analysis
type PoeticMetrics struct {
RhymeScheme string
MeterType string
StanzaCount int
LineCount int
Structure string
}

119
internal/store/processor.go Normal file
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package store
import (
"context"
"log"
"tercul/internal/enrich"
)
// ProcessWork processes a work using the enrichment registry and stores the results
func ProcessWork(ctx context.Context, reg *enrich.Registry, db *DB, work Work) error {
log.Printf("Processing work ID %d", work.ID)
// Create a text object for the enrichment services
text := enrich.Text{ID: work.ID, Body: work.Body}
// Detect language
lang, confidence, err := reg.Lang.Detect(text)
if err != nil {
return err
}
log.Printf("Detected language: %s (confidence: %.2f)", lang, confidence)
// Tokenize text
tokens, err := reg.Tok.Tokenize(text)
if err != nil {
return err
}
log.Printf("Tokenized text into %d tokens", len(tokens))
// Tag parts of speech
pos, err := reg.Pos.Tag(tokens)
if err != nil {
return err
}
log.Printf("Tagged %d tokens with parts of speech", len(pos))
// Process each token
for i, token := range tokens {
// Get lemma
lemma, err := reg.Lem.Lemma(token.Text, lang)
if err != nil {
log.Printf("Error getting lemma for token %s: %v", token.Text, err)
lemma = token.Text // Use the original text as fallback
}
// Get phonetic encoding
phonetic := reg.Phon.Encode(token.Text)
// Store the word
if err := UpsertWord(db, work.ID, token.Text, lemma, pos[i], phonetic); err != nil {
log.Printf("Error storing word %s: %v", token.Text, err)
}
}
// Extract keywords
keywords, err := reg.Key.Extract(text)
if err != nil {
log.Printf("Error extracting keywords: %v", err)
} else {
// Convert keywords to strings
keywordStrings := make([]string, len(keywords))
for i, kw := range keywords {
keywordStrings[i] = kw.Text
}
// Save keywords
if err := SaveKeywords(db, work.ID, keywordStrings); err != nil {
log.Printf("Error saving keywords: %v", err)
}
}
// Analyze poetics
enrichMetrics, err := reg.Poet.Analyse(text)
if err != nil {
log.Printf("Error analyzing poetics: %v", err)
} else {
// Convert to store.PoeticMetrics
metrics := PoeticMetrics{
RhymeScheme: enrichMetrics.RhymeScheme,
MeterType: enrichMetrics.MeterType,
StanzaCount: enrichMetrics.StanzaCount,
LineCount: enrichMetrics.LineCount,
Structure: enrichMetrics.Structure,
}
// Save poetics
if err := SavePoetics(db, work.ID, metrics); err != nil {
log.Printf("Error saving poetics: %v", err)
}
}
// Mark the work as enriched
if err := MarkEnriched(db, work.ID, lang); err != nil {
log.Printf("Error marking work as enriched: %v", err)
return err
}
log.Printf("Successfully processed work ID %d", work.ID)
return nil
}
// ProcessPendingWorks processes all pending works
func ProcessPendingWorks(ctx context.Context, reg *enrich.Registry, db *DB) error {
log.Println("Processing pending works...")
// Get pending works
works := ListPendingWorks(db)
log.Printf("Found %d pending works", len(works))
// Process each work
for _, work := range works {
if err := ProcessWork(ctx, reg, db, work); err != nil {
log.Printf("Error processing work ID %d: %v", work.ID, err)
}
}
log.Println("Finished processing pending works")
return nil
}

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package testutil
import (
"context"
"errors"
"gorm.io/gorm"
"tercul/models"
"tercul/repositories"
)
// MockTranslationRepository is an in-memory implementation of TranslationRepository
type MockTranslationRepository struct {
items []models.Translation
}
func NewMockTranslationRepository() *MockTranslationRepository {
return &MockTranslationRepository{items: []models.Translation{}}
}
var _ repositories.TranslationRepository = (*MockTranslationRepository)(nil)
// BaseRepository methods with context support
func (m *MockTranslationRepository) Create(ctx context.Context, t *models.Translation) error {
if t == nil {
return errors.New("nil translation")
}
t.ID = uint(len(m.items) + 1)
m.items = append(m.items, *t)
return nil
}
func (m *MockTranslationRepository) GetByID(ctx context.Context, id uint) (*models.Translation, error) {
for i := range m.items {
if m.items[i].ID == id {
cp := m.items[i]
return &cp, nil
}
}
return nil, repositories.ErrEntityNotFound
}
func (m *MockTranslationRepository) Update(ctx context.Context, t *models.Translation) error {
for i := range m.items {
if m.items[i].ID == t.ID {
m.items[i] = *t
return nil
}
}
return repositories.ErrEntityNotFound
}
func (m *MockTranslationRepository) Delete(ctx context.Context, id uint) error {
for i := range m.items {
if m.items[i].ID == id {
m.items = append(m.items[:i], m.items[i+1:]...)
return nil
}
}
return repositories.ErrEntityNotFound
}
func (m *MockTranslationRepository) List(ctx context.Context, page, pageSize int) (*repositories.PaginatedResult[models.Translation], error) {
all := append([]models.Translation(nil), m.items...)
total := int64(len(all))
start := (page - 1) * pageSize
end := start + pageSize
if start > len(all) {
return &repositories.PaginatedResult[models.Translation]{Items: []models.Translation{}, TotalCount: total}, nil
}
if end > len(all) {
end = len(all)
}
return &repositories.PaginatedResult[models.Translation]{Items: all[start:end], TotalCount: total}, nil
}
func (m *MockTranslationRepository) ListAll(ctx context.Context) ([]models.Translation, error) {
return append([]models.Translation(nil), m.items...), nil
}
func (m *MockTranslationRepository) Count(ctx context.Context) (int64, error) {
return int64(len(m.items)), nil
}
func (m *MockTranslationRepository) FindWithPreload(ctx context.Context, preloads []string, id uint) (*models.Translation, error) {
return m.GetByID(ctx, id)
}
func (m *MockTranslationRepository) GetAllForSync(ctx context.Context, batchSize, offset int) ([]models.Translation, error) {
all := append([]models.Translation(nil), m.items...)
end := offset + batchSize
if end > len(all) {
end = len(all)
}
if offset > len(all) {
return []models.Translation{}, nil
}
return all[offset:end], nil
}
// New BaseRepository methods
func (m *MockTranslationRepository) CreateInTx(ctx context.Context, tx *gorm.DB, entity *models.Translation) error {
return m.Create(ctx, entity)
}
func (m *MockTranslationRepository) GetByIDWithOptions(ctx context.Context, id uint, options *repositories.QueryOptions) (*models.Translation, error) {
return m.GetByID(ctx, id)
}
func (m *MockTranslationRepository) UpdateInTx(ctx context.Context, tx *gorm.DB, entity *models.Translation) error {
return m.Update(ctx, entity)
}
func (m *MockTranslationRepository) DeleteInTx(ctx context.Context, tx *gorm.DB, id uint) error {
return m.Delete(ctx, id)
}
func (m *MockTranslationRepository) ListWithOptions(ctx context.Context, options *repositories.QueryOptions) ([]models.Translation, error) {
result, err := m.List(ctx, 1, 1000)
if err != nil {
return nil, err
}
return result.Items, nil
}
func (m *MockTranslationRepository) CountWithOptions(ctx context.Context, options *repositories.QueryOptions) (int64, error) {
return m.Count(ctx)
}
func (m *MockTranslationRepository) Exists(ctx context.Context, id uint) (bool, error) {
_, err := m.GetByID(ctx, id)
return err == nil, nil
}
func (m *MockTranslationRepository) BeginTx(ctx context.Context) (*gorm.DB, error) {
return nil, nil
}
func (m *MockTranslationRepository) WithTx(ctx context.Context, fn func(tx *gorm.DB) error) error {
return fn(nil)
}
// TranslationRepository specific methods
func (m *MockTranslationRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Translation, error) {
return m.ListByEntity(ctx, "Work", workID)
}
func (m *MockTranslationRepository) ListByEntity(ctx context.Context, entityType string, entityID uint) ([]models.Translation, error) {
var out []models.Translation
for i := range m.items {
tr := m.items[i]
if tr.TranslatableType == entityType && tr.TranslatableID == entityID {
out = append(out, tr)
}
}
return out, nil
}
func (m *MockTranslationRepository) ListByTranslatorID(ctx context.Context, translatorID uint) ([]models.Translation, error) {
var out []models.Translation
for i := range m.items {
if m.items[i].TranslatorID != nil && *m.items[i].TranslatorID == translatorID {
out = append(out, m.items[i])
}
}
return out, nil
}
func (m *MockTranslationRepository) ListByStatus(ctx context.Context, status models.TranslationStatus) ([]models.Translation, error) {
var out []models.Translation
for i := range m.items {
if m.items[i].Status == status {
out = append(out, m.items[i])
}
}
return out, nil
}
// Test helper: add a translation for a Work
func (m *MockTranslationRepository) AddTranslationForWork(workID uint, language string, content string, isOriginal bool) {
m.Create(context.Background(), &models.Translation{
Title: "",
Content: content,
Description: "",
Language: language,
Status: models.TranslationStatusPublished,
TranslatableID: workID,
TranslatableType: "Work",
IsOriginalLanguage: isOriginal,
})
}

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package testutil
import (
"context"
"gorm.io/gorm"
"tercul/models"
"tercul/repositories"
)
// UnifiedMockWorkRepository is a shared mock for WorkRepository tests
// Implements all required methods and uses an in-memory slice
type UnifiedMockWorkRepository struct {
Works []*models.Work
}
func NewUnifiedMockWorkRepository() *UnifiedMockWorkRepository {
return &UnifiedMockWorkRepository{Works: []*models.Work{}}
}
func (m *UnifiedMockWorkRepository) AddWork(work *models.Work) {
work.ID = uint(len(m.Works) + 1)
if work.Language == "" {
work.Language = "en" // default for tests, can be set by caller
}
m.Works = append(m.Works, work)
}
// BaseRepository methods with context support
func (m *UnifiedMockWorkRepository) Create(ctx context.Context, entity *models.Work) error {
m.AddWork(entity)
return nil
}
func (m *UnifiedMockWorkRepository) GetByID(ctx context.Context, id uint) (*models.Work, error) {
for _, w := range m.Works {
if w.ID == id {
return w, nil
}
}
return nil, repositories.ErrEntityNotFound
}
func (m *UnifiedMockWorkRepository) Update(ctx context.Context, entity *models.Work) error {
for i, w := range m.Works {
if w.ID == entity.ID {
m.Works[i] = entity
return nil
}
}
return repositories.ErrEntityNotFound
}
func (m *UnifiedMockWorkRepository) Delete(ctx context.Context, id uint) error {
for i, w := range m.Works {
if w.ID == id {
m.Works = append(m.Works[:i], m.Works[i+1:]...)
return nil
}
}
return repositories.ErrEntityNotFound
}
func (m *UnifiedMockWorkRepository) List(ctx context.Context, page, pageSize int) (*repositories.PaginatedResult[models.Work], error) {
var all []models.Work
for _, w := range m.Works {
if w != nil {
all = append(all, *w)
}
}
total := int64(len(all))
start := (page - 1) * pageSize
end := start + pageSize
if start > len(all) {
return &repositories.PaginatedResult[models.Work]{Items: []models.Work{}, TotalCount: total}, nil
}
if end > len(all) {
end = len(all)
}
return &repositories.PaginatedResult[models.Work]{Items: all[start:end], TotalCount: total}, nil
}
func (m *UnifiedMockWorkRepository) ListAll(ctx context.Context) ([]models.Work, error) {
var all []models.Work
for _, w := range m.Works {
if w != nil {
all = append(all, *w)
}
}
return all, nil
}
func (m *UnifiedMockWorkRepository) Count(ctx context.Context) (int64, error) {
return int64(len(m.Works)), nil
}
func (m *UnifiedMockWorkRepository) FindWithPreload(ctx context.Context, preloads []string, id uint) (*models.Work, error) {
for _, w := range m.Works {
if w.ID == id {
return w, nil
}
}
return nil, repositories.ErrEntityNotFound
}
func (m *UnifiedMockWorkRepository) GetAllForSync(ctx context.Context, batchSize, offset int) ([]models.Work, error) {
var result []models.Work
end := offset + batchSize
if end > len(m.Works) {
end = len(m.Works)
}
for i := offset; i < end; i++ {
if m.Works[i] != nil {
result = append(result, *m.Works[i])
}
}
return result, nil
}
// New BaseRepository methods
func (m *UnifiedMockWorkRepository) CreateInTx(ctx context.Context, tx *gorm.DB, entity *models.Work) error {
return m.Create(ctx, entity)
}
func (m *UnifiedMockWorkRepository) GetByIDWithOptions(ctx context.Context, id uint, options *repositories.QueryOptions) (*models.Work, error) {
return m.GetByID(ctx, id)
}
func (m *UnifiedMockWorkRepository) UpdateInTx(ctx context.Context, tx *gorm.DB, entity *models.Work) error {
return m.Update(ctx, entity)
}
func (m *UnifiedMockWorkRepository) DeleteInTx(ctx context.Context, tx *gorm.DB, id uint) error {
return m.Delete(ctx, id)
}
func (m *UnifiedMockWorkRepository) ListWithOptions(ctx context.Context, options *repositories.QueryOptions) ([]models.Work, error) {
result, err := m.List(ctx, 1, 1000)
if err != nil {
return nil, err
}
return result.Items, nil
}
func (m *UnifiedMockWorkRepository) CountWithOptions(ctx context.Context, options *repositories.QueryOptions) (int64, error) {
return m.Count(ctx)
}
func (m *UnifiedMockWorkRepository) Exists(ctx context.Context, id uint) (bool, error) {
_, err := m.GetByID(ctx, id)
return err == nil, nil
}
func (m *UnifiedMockWorkRepository) BeginTx(ctx context.Context) (*gorm.DB, error) {
return nil, nil
}
func (m *UnifiedMockWorkRepository) WithTx(ctx context.Context, fn func(tx *gorm.DB) error) error {
return fn(nil)
}
// WorkRepository specific methods
func (m *UnifiedMockWorkRepository) FindByTitle(ctx context.Context, title string) ([]models.Work, error) {
var result []models.Work
for _, w := range m.Works {
if len(title) == 0 || (len(w.Title) >= len(title) && w.Title[:len(title)] == title) {
result = append(result, *w)
}
}
return result, nil
}
func (m *UnifiedMockWorkRepository) FindByLanguage(ctx context.Context, language string, page, pageSize int) (*repositories.PaginatedResult[models.Work], error) {
var filtered []models.Work
for _, w := range m.Works {
if w.Language == language {
filtered = append(filtered, *w)
}
}
total := int64(len(filtered))
start := (page - 1) * pageSize
end := start + pageSize
if start > len(filtered) {
return &repositories.PaginatedResult[models.Work]{Items: []models.Work{}, TotalCount: total}, nil
}
if end > len(filtered) {
end = len(filtered)
}
return &repositories.PaginatedResult[models.Work]{Items: filtered[start:end], TotalCount: total}, nil
}
func (m *UnifiedMockWorkRepository) FindByAuthor(ctx context.Context, authorID uint) ([]models.Work, error) {
result := make([]models.Work, len(m.Works))
for i, w := range m.Works {
if w != nil {
result[i] = *w
}
}
return result, nil
}
func (m *UnifiedMockWorkRepository) FindByCategory(ctx context.Context, categoryID uint) ([]models.Work, error) {
result := make([]models.Work, len(m.Works))
for i, w := range m.Works {
if w != nil {
result[i] = *w
}
}
return result, nil
}
func (m *UnifiedMockWorkRepository) GetWithTranslations(ctx context.Context, id uint) (*models.Work, error) {
for _, w := range m.Works {
if w.ID == id {
return w, nil
}
}
return nil, repositories.ErrEntityNotFound
}
func (m *UnifiedMockWorkRepository) ListWithTranslations(ctx context.Context, page, pageSize int) (*repositories.PaginatedResult[models.Work], error) {
var all []models.Work
for _, w := range m.Works {
if w != nil {
all = append(all, *w)
}
}
total := int64(len(all))
start := (page - 1) * pageSize
end := start + pageSize
if start > len(all) {
return &repositories.PaginatedResult[models.Work]{Items: []models.Work{}, TotalCount: total}, nil
}
if end > len(all) {
end = len(all)
}
return &repositories.PaginatedResult[models.Work]{Items: all[start:end], TotalCount: total}, nil
}
func (m *UnifiedMockWorkRepository) Reset() {
m.Works = []*models.Work{}
}
// Add helper to get GraphQL-style Work with Name mapped from Title
func (m *UnifiedMockWorkRepository) GetGraphQLWorkByID(id uint) map[string]interface{} {
for _, w := range m.Works {
if w.ID == id {
return map[string]interface{}{
"id": w.ID,
"name": w.Title,
"language": w.Language,
"content": "",
}
}
}
return nil
}
// Add other interface methods as needed for your tests

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package testutil
import (
"database/sql"
"fmt"
"log"
"os"
"testing"
"time"
"github.com/stretchr/testify/suite"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"tercul/config"
)
// TestDB holds the test database connection
var TestDB *gorm.DB
// SetupTestDB sets up a test database connection
func SetupTestDB() (*gorm.DB, error) {
// Load configuration
config.LoadConfig()
// Use test-specific environment variables if available, otherwise fall back to main config
host := getEnv("TEST_DB_HOST", config.Cfg.DBHost)
port := getEnv("TEST_DB_PORT", config.Cfg.DBPort)
user := getEnv("TEST_DB_USER", config.Cfg.DBUser)
password := getEnv("TEST_DB_PASSWORD", config.Cfg.DBPassword)
dbname := getEnv("TEST_DB_NAME", "tercul_test") // Always use test database
sslmode := getEnv("TEST_DB_SSLMODE", config.Cfg.DBSSLMode)
dsn := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=%s",
host, port, user, password, dbname, sslmode)
// Custom logger for tests
newLogger := logger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags),
logger.Config{
SlowThreshold: time.Second,
LogLevel: logger.Silent, // Silent during tests
IgnoreRecordNotFoundError: true,
Colorful: false,
},
)
db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
Logger: newLogger,
})
if err != nil {
return nil, fmt.Errorf("failed to connect to test database: %w", err)
}
// Set connection pool settings
sqlDB, err := db.DB()
if err != nil {
return nil, fmt.Errorf("failed to get SQL DB instance: %w", err)
}
sqlDB.SetMaxOpenConns(5)
sqlDB.SetMaxIdleConns(2)
sqlDB.SetConnMaxLifetime(time.Hour)
return db, nil
}
// TruncateTables truncates all tables in the test database
func TruncateTables(db *gorm.DB, tables ...string) error {
for _, table := range tables {
if err := db.Exec(fmt.Sprintf("TRUNCATE TABLE %s CASCADE", table)).Error; err != nil {
return err
}
}
return nil
}
// CloseDB closes the test database connection
func CloseDB(db *gorm.DB) error {
sqlDB, err := db.DB()
if err != nil {
return err
}
return sqlDB.Close()
}
// getEnv gets an environment variable or returns a default value
func getEnv(key, defaultValue string) string {
value, exists := os.LookupEnv(key)
if !exists {
return defaultValue
}
return value
}
// BaseSuite is a base test suite with common functionality
// For integration tests using mocks, DB is not used
// TODO: Remove DB logic for mock-based integration tests (priority: high, effort: medium)
type BaseSuite struct {
suite.Suite
// DB *gorm.DB // Removed for mock-based integration tests
}
// SetupSuite sets up the test suite
func (s *BaseSuite) SetupSuite() {
// No DB setup for mock-based integration tests
}
// TearDownSuite tears down the test suite
func (s *BaseSuite) TearDownSuite() {
// No DB teardown for mock-based integration tests
}
// SetupTest sets up each test
func (s *BaseSuite) SetupTest() {
// Can be overridden by specific test suites
}
// TearDownTest tears down each test
func (s *BaseSuite) TearDownTest() {
// Can be overridden by specific test suites
}
// RunTransactional runs a test function in a transaction
// TODO: Remove or refactor for mock-based tests (priority: low, effort: low)
func (s *BaseSuite) RunTransactional(testFunc func(tx interface{})) {
// No-op for mock-based tests
}
// MockDB creates a mock database for testing
func MockDB() (*sql.DB, error) {
// Use environment variables for test database connection
host := getEnv("TEST_DB_HOST", "localhost")
port := getEnv("TEST_DB_PORT", "5432")
user := getEnv("TEST_DB_USER", "postgres")
password := getEnv("TEST_DB_PASSWORD", "postgres")
dbname := getEnv("TEST_DB_NAME", "tercul_test")
sslmode := getEnv("TEST_DB_SSLMODE", "disable")
dsn := fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=%s",
user, password, host, port, dbname, sslmode)
db, err := sql.Open("postgres", dsn)
if err != nil {
return nil, err
}
return db, nil
}
// SkipIfShort skips a test if the -short flag is provided
func SkipIfShort(t *testing.T) {
if testing.Short() {
t.Skip("Skipping test in short mode")
}
}

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package linguistics
import (
"github.com/jonreiter/govader"
)
// GoVADERSentimentProvider implements SentimentProvider using VADER
type GoVADERSentimentProvider struct {
analyzer *govader.SentimentIntensityAnalyzer
}
// NewGoVADERSentimentProvider constructs a VADER-based sentiment provider
func NewGoVADERSentimentProvider() (*GoVADERSentimentProvider, error) {
analyzer := govader.NewSentimentIntensityAnalyzer()
return &GoVADERSentimentProvider{analyzer: analyzer}, nil
}
// Score returns the compound VADER polarity score in [-1, 1]
func (p *GoVADERSentimentProvider) Score(text string, _ string) (float64, error) {
scores := p.analyzer.PolarityScores(text)
return scores.Compound, nil
}

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package linguistics
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestGoVADERSentimentProvider_Score(t *testing.T) {
sp, err := NewGoVADERSentimentProvider()
require.NoError(t, err)
pos, err := sp.Score("I love this wonderful product!", "en")
require.NoError(t, err)
require.Greater(t, pos, 0.0)
neg, err := sp.Score("This is the worst thing ever. I hate it.", "en")
require.NoError(t, err)
require.Less(t, neg, 0.0)
}

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package linguistics
import (
"strings"
lingua "github.com/pemistahl/lingua-go"
)
// LinguaLanguageDetector implements LanguageDetector using lingua-go
type LinguaLanguageDetector struct {
detector lingua.LanguageDetector
}
// NewLinguaLanguageDetector builds a detector for all supported languages
func NewLinguaLanguageDetector() *LinguaLanguageDetector {
det := lingua.NewLanguageDetectorBuilder().FromAllLanguages().Build()
return &LinguaLanguageDetector{detector: det}
}
// DetectLanguage returns a lowercase ISO 639-1 code if possible
func (l *LinguaLanguageDetector) DetectLanguage(text string) (string, bool) {
lang, ok := l.detector.DetectLanguageOf(text)
if !ok {
return "", false
}
// Prefer ISO 639-1 when available else fallback to ISO 639-3
if s := lang.IsoCode639_1().String(); s != "" {
return s, true
}
if s := lang.IsoCode639_3().String(); s != "" {
return s, true
}
// fallback to language name
return strings.ToLower(lang.String()), true
}

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package linguistics
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestLinguaLanguageDetector_DetectLanguage(t *testing.T) {
d := NewLinguaLanguageDetector()
code, ok := d.DetectLanguage("This is an English sentence.")
require.True(t, ok)
require.NotEmpty(t, code)
}

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package linguistics
import (
"sort"
"strings"
)
// TFIDFKeywordProvider is a lightweight keyword provider using local term frequencies as a proxy.
// Note: A full TF-IDF requires a corpus. This implementation uses per-text frequency weighting
// with stopword filtering and length thresholds to approximate keyword relevance without extra state.
type TFIDFKeywordProvider struct{}
func NewTFIDFKeywordProvider() *TFIDFKeywordProvider { return &TFIDFKeywordProvider{} }
func (p *TFIDFKeywordProvider) Extract(text string, language string) ([]Keyword, error) {
tokens := tokenizeWords(text)
if len(tokens) == 0 {
return nil, nil
}
freq := make(map[string]int, len(tokens))
for _, t := range tokens {
if len(t) <= 2 || isStopWord(t, language) {
continue
}
freq[strings.ToLower(t)]++
}
total := 0
for _, c := range freq {
total += c
}
keywords := make([]Keyword, 0, len(freq))
for w, c := range freq {
rel := float64(c) / float64(len(tokens))
if rel > 0 {
keywords = append(keywords, Keyword{Text: w, Relevance: rel})
}
}
sort.Slice(keywords, func(i, j int) bool { return keywords[i].Relevance > keywords[j].Relevance })
if len(keywords) > 10 {
keywords = keywords[:10]
}
return keywords, nil
}

29
linguistics/adapters.go Normal file
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package linguistics
import (
"errors"
"strings"
)
// --- LanguageDetector Adapters ---
// NullLanguageDetector provides a no-op detector that always fails detection
type NullLanguageDetector struct{}
func (n NullLanguageDetector) DetectLanguage(text string) (string, bool) {
return "", false
}
// --- SentimentProvider Adapters ---
// RuleBasedSentimentProvider wraps the internal estimateSentimentOptimized as a provider
type RuleBasedSentimentProvider struct{}
func (r RuleBasedSentimentProvider) Score(text string, language string) (float64, error) {
if strings.TrimSpace(text) == "" {
return 0, errors.New("empty text")
}
return estimateSentimentOptimized(text, language), nil
}

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package linguistics
import (
"context"
"fmt"
"sync"
"github.com/hashicorp/golang-lru/v2"
"tercul/cache"
"tercul/logger"
"tercul/config"
"time"
)
// AnalysisCache defines the interface for caching analysis results
type AnalysisCache interface {
// Get retrieves cached analysis result
Get(ctx context.Context, key string) (*AnalysisResult, error)
// Set stores analysis result in cache
Set(ctx context.Context, key string, result *AnalysisResult) error
// IsEnabled returns whether caching is enabled
IsEnabled() bool
}
// MemoryAnalysisCache implements in-memory caching for analysis results
type MemoryAnalysisCache struct {
cache *lru.Cache[string, *AnalysisResult]
mutex sync.RWMutex
enabled bool
}
// NewMemoryAnalysisCache creates a new MemoryAnalysisCache
func NewMemoryAnalysisCache(enabled bool) *MemoryAnalysisCache {
// capacity from config
cap := config.Cfg.NLPMemoryCacheCap
if cap <= 0 {
cap = 1024
}
l, _ := lru.New[string, *AnalysisResult](cap)
return &MemoryAnalysisCache{
cache: l,
enabled: enabled,
}
}
// Get retrieves cached analysis result from memory
func (c *MemoryAnalysisCache) Get(ctx context.Context, key string) (*AnalysisResult, error) {
if !c.enabled {
return nil, fmt.Errorf("cache disabled")
}
c.mutex.RLock()
defer c.mutex.RUnlock()
if result, exists := c.cache.Get(key); exists {
return result, nil
}
return nil, fmt.Errorf("cache miss")
}
// Set stores analysis result in memory cache
func (c *MemoryAnalysisCache) Set(ctx context.Context, key string, result *AnalysisResult) error {
if !c.enabled {
return nil
}
c.mutex.Lock()
defer c.mutex.Unlock()
c.cache.Add(key, result)
return nil
}
// IsEnabled returns whether caching is enabled
func (c *MemoryAnalysisCache) IsEnabled() bool {
return c.enabled
}
// RedisAnalysisCache implements Redis-based caching for analysis results
type RedisAnalysisCache struct {
cache cache.Cache
enabled bool
}
// NewRedisAnalysisCache creates a new RedisAnalysisCache
func NewRedisAnalysisCache(cache cache.Cache, enabled bool) *RedisAnalysisCache {
return &RedisAnalysisCache{
cache: cache,
enabled: enabled,
}
}
// Get retrieves cached analysis result from Redis
func (c *RedisAnalysisCache) Get(ctx context.Context, key string) (*AnalysisResult, error) {
if !c.enabled || c.cache == nil {
return nil, fmt.Errorf("cache disabled or unavailable")
}
var result AnalysisResult
err := c.cache.Get(ctx, key, &result)
if err != nil {
return nil, fmt.Errorf("cache miss: %w", err)
}
return &result, nil
}
// Set stores analysis result in Redis cache
func (c *RedisAnalysisCache) Set(ctx context.Context, key string, result *AnalysisResult) error {
if !c.enabled || c.cache == nil {
return nil
}
// TTL from config
ttlSeconds := config.Cfg.NLPRedisCacheTTLSeconds
err := c.cache.Set(ctx, key, result, time.Duration(ttlSeconds)*time.Second)
if err != nil {
logger.LogWarn("Failed to cache analysis result",
logger.F("key", key),
logger.F("error", err))
return err
}
return nil
}
// IsEnabled returns whether caching is enabled
func (c *RedisAnalysisCache) IsEnabled() bool {
return c.enabled && c.cache != nil
}
// CompositeAnalysisCache combines multiple cache layers
type CompositeAnalysisCache struct {
memoryCache AnalysisCache
redisCache AnalysisCache
enabled bool
}
// NewCompositeAnalysisCache creates a new CompositeAnalysisCache
func NewCompositeAnalysisCache(memoryCache AnalysisCache, redisCache AnalysisCache, enabled bool) *CompositeAnalysisCache {
return &CompositeAnalysisCache{
memoryCache: memoryCache,
redisCache: redisCache,
enabled: enabled,
}
}
// Get retrieves cached analysis result from memory first, then Redis
func (c *CompositeAnalysisCache) Get(ctx context.Context, key string) (*AnalysisResult, error) {
if !c.enabled {
return nil, fmt.Errorf("cache disabled")
}
// Try memory cache first
if result, err := c.memoryCache.Get(ctx, key); err == nil {
return result, nil
}
// Try Redis cache
if result, err := c.redisCache.Get(ctx, key); err == nil {
// Populate memory cache with Redis result
c.memoryCache.Set(ctx, key, result)
return result, nil
}
return nil, fmt.Errorf("cache miss")
}
// Set stores analysis result in both memory and Redis caches
func (c *CompositeAnalysisCache) Set(ctx context.Context, key string, result *AnalysisResult) error {
if !c.enabled {
return nil
}
// Set in memory cache
if err := c.memoryCache.Set(ctx, key, result); err != nil {
logger.LogWarn("Failed to set memory cache",
logger.F("key", key),
logger.F("error", err))
}
// Set in Redis cache
if err := c.redisCache.Set(ctx, key, result); err != nil {
logger.LogWarn("Failed to set Redis cache",
logger.F("key", key),
logger.F("error", err))
return err
}
return nil
}
// IsEnabled returns whether caching is enabled
func (c *CompositeAnalysisCache) IsEnabled() bool {
return c.enabled
}

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package linguistics
import (
"context"
"fmt"
"gorm.io/gorm"
"tercul/logger"
"tercul/models"
)
// AnalysisRepository defines the interface for database operations related to analysis
type AnalysisRepository interface {
// StoreAnalysisResults stores analysis results in the database
StoreAnalysisResults(ctx context.Context, workID uint, result *AnalysisResult) error
// GetWorkContent retrieves content for a work from translations
GetWorkContent(ctx context.Context, workID uint, language string) (string, error)
// StoreWorkAnalysis stores work-specific analysis results
StoreWorkAnalysis(ctx context.Context, workID uint, textMetadata *models.TextMetadata,
readabilityScore *models.ReadabilityScore, languageAnalysis *models.LanguageAnalysis) error
// GetWorkByID fetches a work by ID
GetWorkByID(ctx context.Context, workID uint) (*models.Work, error)
// GetAnalysisData fetches persisted analysis data for a work
GetAnalysisData(ctx context.Context, workID uint) (*models.TextMetadata, *models.ReadabilityScore, *models.LanguageAnalysis, error)
}
// GORMAnalysisRepository implements AnalysisRepository using GORM
type GORMAnalysisRepository struct {
db *gorm.DB
}
// NewGORMAnalysisRepository creates a new GORMAnalysisRepository
func NewGORMAnalysisRepository(db *gorm.DB) *GORMAnalysisRepository {
return &GORMAnalysisRepository{db: db}
}
// StoreAnalysisResults stores analysis results in the database
func (r *GORMAnalysisRepository) StoreAnalysisResults(ctx context.Context, workID uint, result *AnalysisResult) error {
if result == nil {
return fmt.Errorf("analysis result cannot be nil")
}
// Determine language from the work record to avoid hardcoded defaults
var work models.Work
if err := r.db.WithContext(ctx).First(&work, workID).Error; err != nil {
logger.LogError("Failed to fetch work for language",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to fetch work for language: %w", err)
}
// Create text metadata
textMetadata := &models.TextMetadata{
WorkID: workID,
Language: work.Language,
WordCount: result.WordCount,
SentenceCount: result.SentenceCount,
ParagraphCount: result.ParagraphCount,
AverageWordLength: result.AvgWordLength,
AverageSentenceLength: result.AvgSentenceLength,
}
// Create readability score
readabilityScore := &models.ReadabilityScore{
WorkID: workID,
Language: work.Language,
Score: result.ReadabilityScore,
Method: result.ReadabilityMethod,
}
// Create language analysis
languageAnalysis := &models.LanguageAnalysis{
WorkID: workID,
Language: work.Language,
Analysis: models.JSONB{
"sentiment": result.Sentiment,
"keywords": extractKeywordsAsJSON(result.Keywords),
"topics": extractTopicsAsJSON(result.Topics),
},
}
return r.StoreWorkAnalysis(ctx, workID, textMetadata, readabilityScore, languageAnalysis)
}
// GetWorkContent retrieves content for a work from translations
func (r *GORMAnalysisRepository) GetWorkContent(ctx context.Context, workID uint, language string) (string, error) {
// First, get the work to determine its language
var work models.Work
if err := r.db.First(&work, workID).Error; err != nil {
logger.LogError("Failed to fetch work for content retrieval",
logger.F("workID", workID),
logger.F("error", err))
return "", fmt.Errorf("failed to fetch work: %w", err)
}
// Try to get content from translations in order of preference:
// 1. Original language translation
// 2. Work's language translation
// 3. Any available translation
var translation models.Translation
// Try original language first
if err := r.db.Where("translatable_type = ? AND translatable_id = ? AND is_original_language = ?",
"Work", workID, true).First(&translation).Error; err == nil {
return translation.Content, nil
}
// Try work's language
if err := r.db.Where("translatable_type = ? AND translatable_id = ? AND language = ?",
"Work", workID, work.Language).First(&translation).Error; err == nil {
return translation.Content, nil
}
// Try any available translation
if err := r.db.Where("translatable_type = ? AND translatable_id = ?",
"Work", workID).First(&translation).Error; err == nil {
return translation.Content, nil
}
return "", fmt.Errorf("no content found for work %d", workID)
}
// GetWorkByID fetches a work by ID
func (r *GORMAnalysisRepository) GetWorkByID(ctx context.Context, workID uint) (*models.Work, error) {
var work models.Work
if err := r.db.WithContext(ctx).First(&work, workID).Error; err != nil {
return nil, fmt.Errorf("failed to fetch work: %w", err)
}
return &work, nil
}
// GetAnalysisData fetches persisted analysis data for a work
func (r *GORMAnalysisRepository) GetAnalysisData(ctx context.Context, workID uint) (*models.TextMetadata, *models.ReadabilityScore, *models.LanguageAnalysis, error) {
var textMetadata models.TextMetadata
var readabilityScore models.ReadabilityScore
var languageAnalysis models.LanguageAnalysis
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).First(&textMetadata).Error; err != nil {
logger.LogWarn("No text metadata found for work",
logger.F("workID", workID))
}
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).First(&readabilityScore).Error; err != nil {
logger.LogWarn("No readability score found for work",
logger.F("workID", workID))
}
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).First(&languageAnalysis).Error; err != nil {
logger.LogWarn("No language analysis found for work",
logger.F("workID", workID))
}
return &textMetadata, &readabilityScore, &languageAnalysis, nil
}
// StoreWorkAnalysis stores work-specific analysis results
func (r *GORMAnalysisRepository) StoreWorkAnalysis(ctx context.Context, workID uint,
textMetadata *models.TextMetadata, readabilityScore *models.ReadabilityScore,
languageAnalysis *models.LanguageAnalysis) error {
// Use a transaction to ensure all data is stored atomically
return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
// Store text metadata
if textMetadata != nil {
if err := tx.Where("work_id = ?", workID).Delete(&models.TextMetadata{}).Error; err != nil {
logger.LogError("Failed to delete existing text metadata",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to delete existing text metadata: %w", err)
}
if err := tx.Create(textMetadata).Error; err != nil {
logger.LogError("Failed to store text metadata",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to store text metadata: %w", err)
}
}
// Store readability score
if readabilityScore != nil {
if err := tx.Where("work_id = ?", workID).Delete(&models.ReadabilityScore{}).Error; err != nil {
logger.LogError("Failed to delete existing readability score",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to delete existing readability score: %w", err)
}
if err := tx.Create(readabilityScore).Error; err != nil {
logger.LogError("Failed to store readability score",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to store readability score: %w", err)
}
}
// Store language analysis
if languageAnalysis != nil {
if err := tx.Where("work_id = ?", workID).Delete(&models.LanguageAnalysis{}).Error; err != nil {
logger.LogError("Failed to delete existing language analysis",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to delete existing language analysis: %w", err)
}
if err := tx.Create(languageAnalysis).Error; err != nil {
logger.LogError("Failed to store language analysis",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to store language analysis: %w", err)
}
}
logger.LogInfo("Successfully stored analysis results",
logger.F("workID", workID))
return nil
})
}
// Helper functions for data conversion
func extractKeywordsAsJSON(keywords []Keyword) models.JSONB {
if len(keywords) == 0 {
return models.JSONB{}
}
keywordData := make([]map[string]interface{}, len(keywords))
for i, kw := range keywords {
keywordData[i] = map[string]interface{}{
"text": kw.Text,
"relevance": kw.Relevance,
}
}
return models.JSONB{"keywords": keywordData}
}
func extractTopicsAsJSON(topics []Topic) models.JSONB {
if len(topics) == 0 {
return models.JSONB{}
}
topicData := make([]map[string]interface{}, len(topics))
for i, topic := range topics {
topicData[i] = map[string]interface{}{
"name": topic.Name,
"relevance": topic.Relevance,
}
}
return models.JSONB{"topics": topicData}
}

179
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package linguistics
import (
"context"
"crypto/sha256"
"encoding/hex"
"sync"
"tercul/cache"
"tercul/logger"
)
// Analyzer defines the interface for linguistic analysis services
type Analyzer interface {
// AnalyzeText performs linguistic analysis on the given text
AnalyzeText(ctx context.Context, text string, language string) (*AnalysisResult, error)
// AnalyzeWork performs linguistic analysis on a work
AnalyzeWork(ctx context.Context, workID uint) error
}
// BasicAnalyzer implements the Analyzer interface as a thin coordination layer.
// It delegates pure text analysis to TextAnalyzer and work analysis to WorkAnalysisService,
// and only handles caching and orchestration concerns here to preserve SRP/DRY.
type BasicAnalyzer struct {
textAnalyzer TextAnalyzer
workAnalysisService WorkAnalysisService
cache cache.Cache
resultCache map[string]*AnalysisResult
cacheMutex sync.RWMutex
concurrency int
cacheEnabled bool
}
// NewBasicAnalyzer creates a new BasicAnalyzer
func NewBasicAnalyzer(
textAnalyzer TextAnalyzer,
workService WorkAnalysisService,
redis cache.Cache,
concurrency int,
cacheEnabled bool,
) *BasicAnalyzer {
if concurrency <= 0 {
concurrency = 4
}
return &BasicAnalyzer{
textAnalyzer: textAnalyzer,
workAnalysisService: workService,
cache: redis,
resultCache: make(map[string]*AnalysisResult),
concurrency: concurrency,
cacheEnabled: cacheEnabled,
}
}
// WithCache adds a cache to the analyzer
func (a *BasicAnalyzer) WithCache(cache cache.Cache) *BasicAnalyzer {
a.cache = cache
return a
}
// WithConcurrency sets the number of concurrent workers
func (a *BasicAnalyzer) WithConcurrency(concurrency int) *BasicAnalyzer {
if concurrency > 0 {
a.concurrency = concurrency
}
return a
}
// EnableCache enables in-memory caching of analysis results
func (a *BasicAnalyzer) EnableCache() {
a.cacheEnabled = true
}
// DisableCache disables in-memory caching of analysis results
func (a *BasicAnalyzer) DisableCache() {
a.cacheEnabled = false
}
// AnalyzeText performs basic linguistic analysis on the given text
func (a *BasicAnalyzer) AnalyzeText(ctx context.Context, text string, language string) (*AnalysisResult, error) {
// Check in-memory cache first if enabled
if a.cacheEnabled {
cacheKey := makeTextCacheKey(language, text)
// Try to get from in-memory cache
a.cacheMutex.RLock()
cachedResult, found := a.resultCache[cacheKey]
a.cacheMutex.RUnlock()
if found {
logger.LogDebug("In-memory cache hit for text analysis",
logger.F("language", language),
logger.F("textLength", len(text)))
return cachedResult, nil
}
// Try to get from Redis cache if available
if a.cache != nil {
var cachedResult AnalysisResult
err := a.cache.Get(ctx, "text_analysis:"+cacheKey, &cachedResult)
if err == nil {
logger.LogDebug("Redis cache hit for text analysis",
logger.F("language", language),
logger.F("textLength", len(text)))
// Store in in-memory cache too
a.cacheMutex.Lock()
a.resultCache[cacheKey] = &cachedResult
a.cacheMutex.Unlock()
return &cachedResult, nil
}
}
}
// Cache miss or caching disabled, perform analysis using the pure TextAnalyzer
logger.LogDebug("Performing text analysis",
logger.F("language", language),
logger.F("textLength", len(text)))
var (
result *AnalysisResult
err error
)
if len(text) > 10000 && a.concurrency > 1 {
result, err = a.textAnalyzer.AnalyzeTextConcurrently(ctx, text, language, a.concurrency)
} else {
result, err = a.textAnalyzer.AnalyzeText(ctx, text, language)
}
if err != nil {
return nil, err
}
// Cache the result if caching is enabled
if a.cacheEnabled {
cacheKey := makeTextCacheKey(language, text)
// Store in in-memory cache
a.cacheMutex.Lock()
a.resultCache[cacheKey] = result
a.cacheMutex.Unlock()
// Store in Redis cache if available
if a.cache != nil {
if err := a.cache.Set(ctx, "text_analysis:"+cacheKey, result, 0); err != nil {
logger.LogWarn("Failed to cache text analysis result",
logger.F("language", language),
logger.F("textLength", len(text)),
logger.F("error", err))
}
}
}
return result, nil
}
// AnalyzeWork performs linguistic analysis on a work and stores the results
func (a *BasicAnalyzer) AnalyzeWork(ctx context.Context, workID uint) error {
// Delegate to the WorkAnalysisService to preserve single ownership
return a.workAnalysisService.AnalyzeWork(ctx, workID)
}
// Helper functions for text analysis
// min returns the minimum of two integers
func min(a, b int) int {
if a < b {
return a
}
return b
}
// Note: max was unused and has been removed to keep the code minimal and focused
// makeTextCacheKey builds a stable cache key using a content hash to avoid collisions/leaks
func makeTextCacheKey(language, text string) string {
h := sha256.Sum256([]byte(text))
return language + ":" + hex.EncodeToString(h[:])
}

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package linguistics
import (
"gorm.io/gorm"
"tercul/cache"
"tercul/config"
)
// LinguisticsFactory provides easy access to all linguistics components
type LinguisticsFactory struct {
textAnalyzer TextAnalyzer
analysisCache AnalysisCache
analysisRepo AnalysisRepository
workAnalysisService WorkAnalysisService
analyzer Analyzer
}
// NewLinguisticsFactory creates a new LinguisticsFactory with all components
func NewLinguisticsFactory(
db *gorm.DB,
cache cache.Cache,
concurrency int,
cacheEnabled bool,
) *LinguisticsFactory {
// Create text analyzer and wire providers (prefer external libs when available)
textAnalyzer := NewBasicTextAnalyzer()
// Wire sentiment provider: GoVADER (configurable)
if config.Cfg.NLPUseVADER {
if sp, err := NewGoVADERSentimentProvider(); err == nil {
textAnalyzer = textAnalyzer.WithSentimentProvider(sp)
} else {
textAnalyzer = textAnalyzer.WithSentimentProvider(RuleBasedSentimentProvider{})
}
} else {
textAnalyzer = textAnalyzer.WithSentimentProvider(RuleBasedSentimentProvider{})
}
// Wire language detector: lingua-go (configurable)
if config.Cfg.NLPUseLingua {
textAnalyzer = textAnalyzer.WithLanguageDetector(NewLinguaLanguageDetector())
}
// Wire keyword provider: lightweight TF-IDF approximation (configurable)
if config.Cfg.NLPUseTFIDF {
textAnalyzer = textAnalyzer.WithKeywordProvider(NewTFIDFKeywordProvider())
}
// Create cache components
memoryCache := NewMemoryAnalysisCache(cacheEnabled)
redisCache := NewRedisAnalysisCache(cache, cacheEnabled)
analysisCache := NewCompositeAnalysisCache(memoryCache, redisCache, cacheEnabled)
// Create repository
analysisRepo := NewGORMAnalysisRepository(db)
// Create work analysis service
workAnalysisService := NewWorkAnalysisService(
textAnalyzer,
analysisCache,
analysisRepo,
concurrency,
cacheEnabled,
)
// Create analyzer that combines text analysis and work analysis
analyzer := NewBasicAnalyzer(
textAnalyzer,
workAnalysisService,
cache,
concurrency,
cacheEnabled,
)
return &LinguisticsFactory{
textAnalyzer: textAnalyzer,
analysisCache: analysisCache,
analysisRepo: analysisRepo,
workAnalysisService: workAnalysisService,
analyzer: analyzer,
}
}
// GetTextAnalyzer returns the text analyzer
func (f *LinguisticsFactory) GetTextAnalyzer() TextAnalyzer {
return f.textAnalyzer
}
// GetAnalysisCache returns the analysis cache
func (f *LinguisticsFactory) GetAnalysisCache() AnalysisCache {
return f.analysisCache
}
// GetAnalysisRepository returns the analysis repository
func (f *LinguisticsFactory) GetAnalysisRepository() AnalysisRepository {
return f.analysisRepo
}
// GetWorkAnalysisService returns the work analysis service
func (f *LinguisticsFactory) GetWorkAnalysisService() WorkAnalysisService {
return f.workAnalysisService
}
// GetAnalyzer returns the analyzer
func (f *LinguisticsFactory) GetAnalyzer() Analyzer {
return f.analyzer
}

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package linguistics
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestFactory_WiresProviders(t *testing.T) {
// We won't spin a DB/cache here; this is a smoke test of wiring methods
f := NewLinguisticsFactory(nil, nil, 2, true)
ta := f.GetTextAnalyzer().(*BasicTextAnalyzer)
require.NotNil(t, ta)
}

21
linguistics/ports.go Normal file
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package linguistics
// LanguageDetector defines a provider that can detect the language of a text
type LanguageDetector interface {
// DetectLanguage returns a BCP-47 or ISO-like code and whether detection was confident
DetectLanguage(text string) (string, bool)
}
// SentimentProvider defines a provider that scores sentiment in [-1, 1]
type SentimentProvider interface {
// Score returns sentiment for the text (optionally using language)
Score(text string, language string) (float64, error)
}
// KeywordProvider defines a provider that extracts keywords from text
type KeywordProvider interface {
// Extract returns a list of keywords with relevance in [0,1]
Extract(text string, language string) ([]Keyword, error)
}

112
linguistics/sync_job.go Normal file
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package linguistics
import (
"context"
"encoding/json"
"fmt"
"log"
"time"
"github.com/hibiken/asynq"
"gorm.io/gorm"
"tercul/models"
)
const (
TaskLinguisticAnalysis = "analysis:linguistic"
)
// LinguisticSyncJob manages the linguistic analysis sync process
type LinguisticSyncJob struct {
DB *gorm.DB
Analyzer Analyzer
Client *asynq.Client
}
// NewLinguisticSyncJob creates a new LinguisticSyncJob
func NewLinguisticSyncJob(db *gorm.DB, analyzer Analyzer, client *asynq.Client) *LinguisticSyncJob {
return &LinguisticSyncJob{
DB: db,
Analyzer: analyzer,
Client: client,
}
}
// AnalysisPayload contains data for the linguistic analysis task
type AnalysisPayload struct {
WorkID uint `json:"work_id"`
}
// EnqueueAnalysisForWork enqueues a linguistic analysis task for a specific work
func EnqueueAnalysisForWork(client *asynq.Client, workID uint) error {
payload := AnalysisPayload{WorkID: workID}
data, err := json.Marshal(payload)
if err != nil {
return err
}
task := asynq.NewTask(TaskLinguisticAnalysis, data)
_, err = client.Enqueue(task, asynq.ProcessIn(5*time.Second))
if err != nil {
return err
}
log.Printf("Enqueued linguistic analysis task for work ID %d", workID)
return nil
}
// EnqueueAnalysisForAllWorks enqueues linguistic analysis tasks for all works
func (j *LinguisticSyncJob) EnqueueAnalysisForAllWorks() error {
log.Println("Enqueueing linguistic analysis jobs for all works...")
var workIDs []uint
if err := j.DB.Model(&models.Work{}).Pluck("id", &workIDs).Error; err != nil {
return fmt.Errorf("error fetching work IDs: %w", err)
}
for _, workID := range workIDs {
if err := EnqueueAnalysisForWork(j.Client, workID); err != nil {
log.Printf("Error enqueueing linguistic analysis for work ID %d: %v", workID, err)
} else {
log.Printf("Enqueued linguistic analysis for work ID %d", workID)
}
}
log.Println("Linguistic analysis jobs enqueued successfully.")
return nil
}
// HandleLinguisticAnalysis handles the linguistic analysis task
func (j *LinguisticSyncJob) HandleLinguisticAnalysis(ctx context.Context, t *asynq.Task) error {
var payload AnalysisPayload
if err := json.Unmarshal(t.Payload(), &payload); err != nil {
return fmt.Errorf("failed to unmarshal linguistic analysis payload: %v", err)
}
log.Printf("Processing linguistic analysis for work ID %d", payload.WorkID)
// Check if analysis already exists
var count int64
if err := j.DB.Model(&models.LanguageAnalysis{}).Where("work_id = ?", payload.WorkID).Count(&count).Error; err != nil {
return fmt.Errorf("error checking existing analysis: %w", err)
}
// Skip if analysis already exists
if count > 0 {
log.Printf("Linguistic analysis already exists for work ID %d, skipping", payload.WorkID)
return nil
}
// Perform the analysis
if err := j.Analyzer.AnalyzeWork(ctx, payload.WorkID); err != nil {
return fmt.Errorf("error analyzing work ID %d: %w", payload.WorkID, err)
}
log.Printf("Completed linguistic analysis for work ID %d", payload.WorkID)
return nil
}
// RegisterLinguisticHandlers registers the linguistic analysis task handlers
func RegisterLinguisticHandlers(mux *asynq.ServeMux, job *LinguisticSyncJob) {
mux.HandleFunc(TaskLinguisticAnalysis, job.HandleLinguisticAnalysis)
}

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package linguistics
import (
"context"
"sync"
)
// TextAnalyzer defines the interface for pure text analysis operations
type TextAnalyzer interface {
// AnalyzeText performs linguistic analysis on the given text
AnalyzeText(ctx context.Context, text string, language string) (*AnalysisResult, error)
// AnalyzeTextConcurrently performs text analysis using concurrent processing
AnalyzeTextConcurrently(ctx context.Context, text string, language string, concurrency int) (*AnalysisResult, error)
}
// BasicTextAnalyzer implements the TextAnalyzer interface with simple algorithms
type BasicTextAnalyzer struct{
langDetector LanguageDetector
sentimentProvider SentimentProvider
keywordProvider KeywordProvider
}
// NewBasicTextAnalyzer creates a new BasicTextAnalyzer
func NewBasicTextAnalyzer() *BasicTextAnalyzer {
return &BasicTextAnalyzer{}
}
// WithLanguageDetector injects a language detector provider
func (a *BasicTextAnalyzer) WithLanguageDetector(detector LanguageDetector) *BasicTextAnalyzer {
a.langDetector = detector
return a
}
// WithSentimentProvider injects a sentiment provider
func (a *BasicTextAnalyzer) WithSentimentProvider(provider SentimentProvider) *BasicTextAnalyzer {
a.sentimentProvider = provider
return a
}
// WithKeywordProvider injects a keyword provider
func (a *BasicTextAnalyzer) WithKeywordProvider(provider KeywordProvider) *BasicTextAnalyzer {
a.keywordProvider = provider
return a
}
// AnalyzeText performs linguistic analysis on the given text
func (a *BasicTextAnalyzer) AnalyzeText(ctx context.Context, text string, language string) (*AnalysisResult, error) {
if text == "" {
return &AnalysisResult{}, nil
}
// Auto-detect language if not provided and a detector exists
if language == "" && a.langDetector != nil {
if detected, ok := a.langDetector.DetectLanguage(text); ok {
language = detected
}
}
result := &AnalysisResult{
PartOfSpeechCounts: make(map[string]int),
Entities: []Entity{},
Keywords: []Keyword{},
Topics: []Topic{},
}
// Perform a single pass through the text for basic statistics
words, sentences, paragraphs, avgWordLength := analyzeTextBasicStats(text)
result.WordCount = words
result.SentenceCount = sentences
result.ParagraphCount = paragraphs
result.AvgWordLength = avgWordLength
// Calculate sentence length average
if result.SentenceCount > 0 {
result.AvgSentenceLength = float64(result.WordCount) / float64(result.SentenceCount)
}
// Calculate readability score (simplified Flesch-Kincaid)
result.ReadabilityScore = calculateReadabilityScore(result.AvgSentenceLength, result.AvgWordLength)
result.ReadabilityMethod = "Simplified Flesch-Kincaid"
// Extract keywords: prefer provider if available
if a.keywordProvider != nil {
if kws, err := a.keywordProvider.Extract(text, language); err == nil {
result.Keywords = kws
} else {
result.Keywords = extractKeywordsOptimized(text, language)
}
} else {
result.Keywords = extractKeywordsOptimized(text, language)
}
// Sentiment: prefer provider if available
if a.sentimentProvider != nil {
if score, err := a.sentimentProvider.Score(text, language); err == nil {
result.Sentiment = score
} else {
result.Sentiment = estimateSentimentOptimized(text, language)
}
} else {
result.Sentiment = estimateSentimentOptimized(text, language)
}
return result, nil
}
// AnalyzeTextConcurrently performs text analysis using concurrent processing
func (a *BasicTextAnalyzer) AnalyzeTextConcurrently(ctx context.Context, text string, language string, concurrency int) (*AnalysisResult, error) {
if text == "" {
return &AnalysisResult{}, nil
}
// Split the text into chunks for concurrent processing
chunks := splitTextIntoChunks(text, concurrency)
// Create channels for results
wordCountCh := make(chan int, concurrency)
sentenceCountCh := make(chan int, concurrency)
paragraphCountCh := make(chan int, concurrency)
wordLengthSumCh := make(chan float64, concurrency)
wordLengthCountCh := make(chan int, concurrency)
keywordsCh := make(chan []Keyword, concurrency)
sentimentCh := make(chan float64, concurrency)
// Process each chunk concurrently
var wg sync.WaitGroup
for _, chunk := range chunks {
wg.Add(1)
go func(chunkText string) {
defer wg.Done()
select {
case <-ctx.Done():
return
default:
}
// Basic statistics
words, sentences, paragraphs, wordLengthSum, wordCount := analyzeChunkBasicStats(chunkText)
wordCountCh <- words
sentenceCountCh <- sentences
paragraphCountCh <- paragraphs
wordLengthSumCh <- wordLengthSum
wordLengthCountCh <- wordCount
// Keywords (provider if available)
if a.keywordProvider != nil {
if kws, err := a.keywordProvider.Extract(chunkText, language); err == nil {
keywordsCh <- kws
} else {
keywordsCh <- extractKeywordsOptimized(chunkText, language)
}
} else {
keywordsCh <- extractKeywordsOptimized(chunkText, language)
}
// Sentiment (provider if available)
if a.sentimentProvider != nil {
if score, err := a.sentimentProvider.Score(chunkText, language); err == nil {
sentimentCh <- score
} else {
sentimentCh <- estimateSentimentOptimized(chunkText, language)
}
} else {
sentimentCh <- estimateSentimentOptimized(chunkText, language)
}
}(chunk)
}
// Wait for all goroutines to complete
wg.Wait()
close(wordCountCh)
close(sentenceCountCh)
close(paragraphCountCh)
close(wordLengthSumCh)
close(wordLengthCountCh)
close(keywordsCh)
close(sentimentCh)
// Aggregate results
result := &AnalysisResult{
PartOfSpeechCounts: make(map[string]int),
Entities: []Entity{},
Keywords: []Keyword{},
Topics: []Topic{},
}
// Sum up basic statistics
for wc := range wordCountCh {
result.WordCount += wc
}
for sc := range sentenceCountCh {
result.SentenceCount += sc
}
for pc := range paragraphCountCh {
result.ParagraphCount += pc
}
// Calculate average word length
var totalWordLengthSum float64
var totalWordCount int
for wls := range wordLengthSumCh {
totalWordLengthSum += wls
}
for wlc := range wordLengthCountCh {
totalWordCount += wlc
}
if totalWordCount > 0 {
result.AvgWordLength = totalWordLengthSum / float64(totalWordCount)
}
// Calculate sentence length average
if result.SentenceCount > 0 {
result.AvgSentenceLength = float64(result.WordCount) / float64(result.SentenceCount)
}
// Calculate readability score
result.ReadabilityScore = calculateReadabilityScore(result.AvgSentenceLength, result.AvgWordLength)
result.ReadabilityMethod = "Simplified Flesch-Kincaid"
// Merge keywords
keywordMap := make(map[string]float64)
for kws := range keywordsCh {
for _, kw := range kws {
keywordMap[kw.Text] += kw.Relevance
}
}
// Convert keyword map to slice
for text, relevance := range keywordMap {
result.Keywords = append(result.Keywords, Keyword{
Text: text,
Relevance: relevance / float64(concurrency), // Average relevance
})
}
// Average sentiment
var totalSentiment float64
var sentimentCount int
for s := range sentimentCh {
totalSentiment += s
sentimentCount++
}
if sentimentCount > 0 {
result.Sentiment = totalSentiment / float64(sentimentCount)
}
return result, nil
}

329
linguistics/text_utils.go Normal file
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package linguistics
import (
"strings"
"unicode"
"sort"
)
// Precomputed lexical resources for fast lookups
var (
stopWordsEN = map[string]struct{}{
"the": {}, "a": {}, "an": {}, "and": {}, "or": {}, "but": {},
"in": {}, "on": {}, "at": {}, "to": {}, "for": {}, "of": {},
"with": {}, "by": {}, "is": {}, "are": {}, "was": {}, "were": {},
"be": {}, "been": {}, "being": {}, "have": {}, "has": {}, "had": {},
"do": {}, "does": {}, "did": {}, "will": {}, "would": {}, "could": {},
"should": {}, "may": {}, "might": {}, "can": {}, "this": {}, "that": {},
"these": {}, "those": {}, "i": {}, "you": {}, "he": {}, "she": {},
"it": {}, "we": {}, "they": {}, "me": {}, "him": {}, "hers": {},
"us": {}, "them": {}, "my": {}, "your": {}, "his": {}, "its": {},
"our": {}, "their": {},
}
positiveEN = map[string]struct{}{
"good": {}, "great": {}, "excellent": {}, "amazing": {}, "wonderful": {},
"beautiful": {}, "love": {}, "happy": {}, "joy": {}, "success": {},
"win": {}, "winning": {}, "best": {}, "perfect": {}, "fantastic": {},
"brilliant": {}, "outstanding": {}, "superb": {}, "magnificent": {},
"delightful": {}, "pleasure": {}, "enjoy": {}, "enjoyable": {},
}
negativeEN = map[string]struct{}{
"bad": {}, "terrible": {}, "awful": {}, "horrible": {}, "disgusting": {},
"hate": {}, "sad": {}, "angry": {}, "furious": {}, "disappointed": {},
"fail": {}, "failure": {}, "lose": {}, "losing": {}, "worst": {},
"dreadful": {}, "miserable": {}, "painful": {},
"annoying": {}, "frustrating": {}, "upset": {}, "depressed": {},
}
)
// analyzeTextBasicStats performs basic text statistics analysis
func analyzeTextBasicStats(text string) (words, sentences, paragraphs int, avgWordLength float64) {
if text == "" {
return 0, 0, 0, 0
}
// Single pass scanner over runes
inWord := false
wordLen := 0
totalWordLen := 0
words = 0
sentences = 0
paragraphs = 1
prevWasNewline := false
for _, r := range text {
// Paragraphs: count double newline boundaries
if r == '\n' {
if prevWasNewline {
paragraphs++
prevWasNewline = false // avoid counting more than once for >2 newlines
} else {
prevWasNewline = true
}
} else {
prevWasNewline = false
}
// Sentences: simple heuristic on end punctuation
if r == '.' || r == '!' || r == '?' {
sentences++
}
// Words: alphanumeric sequences
if unicode.IsLetter(r) || unicode.IsNumber(r) {
inWord = true
wordLen++
} else {
if inWord {
words++
totalWordLen += wordLen
inWord = false
wordLen = 0
}
}
}
if inWord {
words++
totalWordLen += wordLen
}
if words > 0 {
avgWordLength = float64(totalWordLen) / float64(words)
}
return words, sentences, paragraphs, avgWordLength
}
// analyzeChunkBasicStats performs basic statistics on a text chunk
func analyzeChunkBasicStats(chunk string) (words, sentences, paragraphs int, wordLengthSum float64, wordCount int) {
if chunk == "" {
return 0, 0, 0, 0, 0
}
inWord := false
wordLen := 0
totalWordLen := 0
words = 0
sentences = 0
paragraphs = 1
prevWasNewline := false
for _, r := range chunk {
if r == '\n' {
if prevWasNewline {
paragraphs++
prevWasNewline = false
} else {
prevWasNewline = true
}
} else {
prevWasNewline = false
}
if r == '.' || r == '!' || r == '?' {
sentences++
}
if unicode.IsLetter(r) || unicode.IsNumber(r) {
inWord = true
wordLen++
} else {
if inWord {
words++
totalWordLen += wordLen
inWord = false
wordLen = 0
}
}
}
if inWord {
words++
totalWordLen += wordLen
}
wordLengthSum = float64(totalWordLen)
wordCount = words
return words, sentences, paragraphs, wordLengthSum, wordCount
}
// splitTextIntoChunks splits text into chunks for concurrent processing
func splitTextIntoChunks(text string, numChunks int) []string {
if numChunks <= 1 || text == "" {
return []string{text}
}
// Split by sentences to avoid breaking words
sentences := strings.FieldsFunc(text, func(r rune) bool {
return r == '.' || r == '!' || r == '?'
})
if len(sentences) == 0 {
return []string{text}
}
if numChunks > len(sentences) {
numChunks = len(sentences)
}
chunks := make([]string, numChunks)
chunkSize := len(sentences) / numChunks
remainder := len(sentences) % numChunks
start := 0
for i := 0; i < numChunks; i++ {
end := start + chunkSize
if i < remainder {
end++
}
if end > len(sentences) {
end = len(sentences)
}
chunks[i] = strings.Join(sentences[start:end], ". ")
start = end
}
return chunks
}
// calculateReadabilityScore calculates a simplified Flesch-Kincaid readability score
func calculateReadabilityScore(avgSentenceLength, avgWordLength float64) float64 {
// Simplified Flesch-Kincaid formula
// Original: 206.835 - 1.015 × (total words ÷ total sentences) - 84.6 × (total syllables ÷ total words)
// Simplified: 206.835 - 1.015 × avgSentenceLength - 84.6 × avgWordLength
score := 206.835 - 1.015*avgSentenceLength - 84.6*avgWordLength
// Clamp to reasonable range
if score < 0 {
score = 0
} else if score > 100 {
score = 100
}
return score
}
// extractKeywordsOptimized extracts keywords from text using a simplified approach
func extractKeywordsOptimized(text, language string) []Keyword {
if text == "" {
return []Keyword{}
}
tokens := tokenizeWords(text)
if len(tokens) == 0 {
return []Keyword{}
}
wordFreq := make(map[string]int, len(tokens))
for _, tok := range tokens {
if len(tok) > 2 && !isStopWord(tok, language) {
wordFreq[tok]++
}
}
total := len(tokens)
keywords := make([]Keyword, 0, len(wordFreq))
for word, freq := range wordFreq {
relevance := float64(freq) / float64(total)
if relevance > 0.01 {
keywords = append(keywords, Keyword{Text: word, Relevance: relevance})
}
}
sort.Slice(keywords, func(i, j int) bool { return keywords[i].Relevance > keywords[j].Relevance })
if len(keywords) > 10 {
keywords = keywords[:10]
}
return keywords
}
// estimateSentimentOptimized estimates sentiment using a simplified approach
func estimateSentimentOptimized(text, language string) float64 {
if text == "" {
return 0
}
tokens := tokenizeWords(text)
positiveCount := 0
negativeCount := 0
for _, tok := range tokens {
if isPositiveWord(tok, language) {
positiveCount++
} else if isNegativeWord(tok, language) {
negativeCount++
}
}
total := positiveCount + negativeCount
if total == 0 {
return 0
}
// Return sentiment score between -1 and 1
return float64(positiveCount-negativeCount) / float64(total)
}
// isStopWord checks if a word is a common stop word
func isStopWord(word, language string) bool {
switch language {
case "en":
_, ok := stopWordsEN[word]
return ok
default:
_, ok := stopWordsEN[word]
return ok
}
}
// isPositiveWord checks if a word is positive
func isPositiveWord(word, language string) bool {
switch language {
case "en":
_, ok := positiveEN[word]
return ok
default:
_, ok := positiveEN[word]
return ok
}
}
// isNegativeWord checks if a word is negative
func isNegativeWord(word, language string) bool {
switch language {
case "en":
_, ok := negativeEN[word]
return ok
default:
_, ok := negativeEN[word]
return ok
}
}
// tokenizeWords returns lowercase alphanumeric tokens using a single pass
func tokenizeWords(text string) []string {
if text == "" {
return nil
}
tokens := make([]string, 0, 256)
var b strings.Builder
b.Grow(32)
for _, r := range strings.ToLower(text) {
if unicode.IsLetter(r) || unicode.IsNumber(r) {
b.WriteRune(r)
} else if b.Len() > 0 {
tokens = append(tokens, b.String())
b.Reset()
}
}
if b.Len() > 0 {
tokens = append(tokens, b.String())
}
return tokens
}

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package linguistics
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestAnalyzeTextBasicStats(t *testing.T) {
text := "Hello world!\n\nThis is a test. Another sentence?"
words, sentences, paragraphs, avgWordLen := analyzeTextBasicStats(text)
assert.Equal(t, 8, words)
assert.Equal(t, 3, sentences)
assert.Equal(t, 2, paragraphs)
assert.InDelta(t, 4.0, avgWordLen, 1.0)
}
func TestSplitTextIntoChunks(t *testing.T) {
text := "A. B. C. D. E."
chunks := splitTextIntoChunks(text, 10)
// should not over-provision chunks
assert.GreaterOrEqual(t, len(chunks), 1)
assert.LessOrEqual(t, len(chunks), 5)
}
func TestExtractKeywordsOptimized(t *testing.T) {
text := "Go is great. Go is fast, simple, and efficient. Efficient systems love Go."
kws := extractKeywordsOptimized(text, "en")
assert.NotEmpty(t, kws)
// Ensure top keyword contains "go" or "efficient"
found := false
for _, kw := range kws {
if kw.Text == "go" || kw.Text == "efficient" {
found = true
break
}
}
assert.True(t, found)
}
func TestEstimateSentimentOptimized(t *testing.T) {
pos := "This product is amazing and wonderful, I love it!"
neg := "This is a terrible and horrible failure. I hate it."
sp := estimateSentimentOptimized(pos, "en")
sn := estimateSentimentOptimized(neg, "en")
assert.Greater(t, sp, 0.0)
assert.Less(t, sn, 0.0)
}

43
linguistics/types.go Normal file
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package linguistics
// AnalysisResult contains the results of linguistic analysis
type AnalysisResult struct {
// Basic text statistics
WordCount int
SentenceCount int
ParagraphCount int
AvgWordLength float64
AvgSentenceLength float64
// Readability metrics
ReadabilityScore float64
ReadabilityMethod string
// Linguistic features
PartOfSpeechCounts map[string]int
Entities []Entity
Keywords []Keyword
// Semantic analysis
Sentiment float64 // -1.0 to 1.0 (negative to positive)
Topics []Topic
}
// Entity represents a named entity found in text
type Entity struct {
Text string
Type string // person, location, organization, etc.
Count int
}
// Keyword represents an important keyword in the text
type Keyword struct {
Text string
Relevance float64 // 0.0 to 1.0
}
// Topic represents a topic identified in the text
type Topic struct {
Name string
Relevance float64 // 0.0 to 1.0
}

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package linguistics
import (
"context"
"fmt"
"time"
"tercul/logger"
"tercul/models"
)
// WorkAnalysisService defines the interface for work-specific analysis operations
type WorkAnalysisService interface {
// AnalyzeWork performs linguistic analysis on a work
AnalyzeWork(ctx context.Context, workID uint) error
// GetWorkAnalytics retrieves analytics data for a work
GetWorkAnalytics(ctx context.Context, workID uint) (*WorkAnalytics, error)
}
// WorkAnalytics contains analytics data for a work
type WorkAnalytics struct {
WorkID uint
ViewCount int64
LikeCount int64
CommentCount int64
BookmarkCount int64
TranslationCount int64
ReadabilityScore float64
SentimentScore float64
TopKeywords []string
PopularTranslations []TranslationAnalytics
}
// TranslationAnalytics contains analytics data for a translation
type TranslationAnalytics struct {
TranslationID uint
Language string
ViewCount int64
LikeCount int64
}
// workAnalysisService implements the WorkAnalysisService interface
type workAnalysisService struct {
textAnalyzer TextAnalyzer
analysisCache AnalysisCache
analysisRepo AnalysisRepository
concurrency int
cacheEnabled bool
}
// NewWorkAnalysisService creates a new WorkAnalysisService
func NewWorkAnalysisService(
textAnalyzer TextAnalyzer,
analysisCache AnalysisCache,
analysisRepo AnalysisRepository,
concurrency int,
cacheEnabled bool,
) WorkAnalysisService {
return &workAnalysisService{
textAnalyzer: textAnalyzer,
analysisCache: analysisCache,
analysisRepo: analysisRepo,
concurrency: concurrency,
cacheEnabled: cacheEnabled,
}
}
// AnalyzeWork performs linguistic analysis on a work and stores the results
func (s *workAnalysisService) AnalyzeWork(ctx context.Context, workID uint) error {
if workID == 0 {
return fmt.Errorf("invalid work ID")
}
// Check cache first if enabled
if s.cacheEnabled && s.analysisCache.IsEnabled() {
cacheKey := fmt.Sprintf("work_analysis:%d", workID)
if result, err := s.analysisCache.Get(ctx, cacheKey); err == nil {
logger.LogInfo("Cache hit for work analysis",
logger.F("workID", workID))
// Store directly to database
return s.analysisRepo.StoreAnalysisResults(ctx, workID, result)
}
}
// Get work content from database
content, err := s.analysisRepo.GetWorkContent(ctx, workID, "")
if err != nil {
logger.LogError("Failed to get work content for analysis",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to get work content: %w", err)
}
// Skip analysis if content is empty
if content == "" {
logger.LogWarn("Skipping analysis for work with empty content",
logger.F("workID", workID))
return nil
}
// Get work to determine language (via repository to avoid leaking GORM)
work, err := s.analysisRepo.GetWorkByID(ctx, workID)
if err != nil {
logger.LogError("Failed to fetch work for analysis",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to fetch work: %w", err)
}
// Analyze the text
start := time.Now()
logger.LogInfo("Analyzing work",
logger.F("workID", workID),
logger.F("language", work.Language),
logger.F("contentLength", len(content)))
var result *AnalysisResult
// Use concurrent processing for large texts
if len(content) > 10000 && s.concurrency > 1 {
result, err = s.textAnalyzer.AnalyzeTextConcurrently(ctx, content, work.Language, s.concurrency)
} else {
result, err = s.textAnalyzer.AnalyzeText(ctx, content, work.Language)
}
if err != nil {
logger.LogError("Failed to analyze work text",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to analyze work text: %w", err)
}
// Store results in database
if err := s.analysisRepo.StoreAnalysisResults(ctx, workID, result); err != nil {
logger.LogError("Failed to store analysis results",
logger.F("workID", workID),
logger.F("error", err))
return fmt.Errorf("failed to store analysis results: %w", err)
}
// Cache the result if caching is enabled
if s.cacheEnabled && s.analysisCache.IsEnabled() {
cacheKey := fmt.Sprintf("work_analysis:%d", workID)
if err := s.analysisCache.Set(ctx, cacheKey, result); err != nil {
logger.LogWarn("Failed to cache work analysis result",
logger.F("workID", workID),
logger.F("error", err))
}
}
logger.LogInfo("Successfully analyzed work",
logger.F("workID", workID),
logger.F("wordCount", result.WordCount),
logger.F("readabilityScore", result.ReadabilityScore),
logger.F("sentiment", result.Sentiment),
logger.F("durationMs", time.Since(start).Milliseconds()))
return nil
}
// GetWorkAnalytics retrieves analytics data for a work
func (s *workAnalysisService) GetWorkAnalytics(ctx context.Context, workID uint) (*WorkAnalytics, error) {
if workID == 0 {
return nil, fmt.Errorf("invalid work ID")
}
// Get the work to ensure it exists
work, err := s.analysisRepo.GetWorkByID(ctx, workID)
if err != nil {
return nil, fmt.Errorf("work not found: %w", err)
}
// Get analysis results from database
_, readabilityScore, languageAnalysis, _ := s.analysisRepo.GetAnalysisData(ctx, workID)
// Extract keywords from JSONB
var keywords []string
if languageAnalysis.Analysis != nil {
if keywordsData, ok := languageAnalysis.Analysis["keywords"].([]interface{}); ok {
for _, kw := range keywordsData {
if keywordMap, ok := kw.(map[string]interface{}); ok {
if text, ok := keywordMap["text"].(string); ok {
keywords = append(keywords, text)
}
}
}
}
}
// For now, return placeholder analytics with actual analysis data
return &WorkAnalytics{
WorkID: work.ID,
ViewCount: 0, // TODO: Implement view counting
LikeCount: 0, // TODO: Implement like counting
CommentCount: 0, // TODO: Implement comment counting
BookmarkCount: 0, // TODO: Implement bookmark counting
TranslationCount: 0, // TODO: Implement translation counting
ReadabilityScore: readabilityScore.Score,
SentimentScore: extractSentimentFromAnalysis(languageAnalysis.Analysis),
TopKeywords: keywords,
PopularTranslations: []TranslationAnalytics{}, // TODO: Implement translation analytics
}, nil
}
// extractSentimentFromAnalysis extracts sentiment from the Analysis JSONB field
func extractSentimentFromAnalysis(analysis models.JSONB) float64 {
if analysis == nil {
return 0.0
}
if sentiment, ok := analysis["sentiment"].(float64); ok {
return sentiment
}
return 0.0
}

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package logger
import (
"fmt"
"io"
"log"
"os"
"runtime"
"strings"
"time"
)
// LogLevel represents the severity level of a log message
type LogLevel int
const (
// DebugLevel for detailed troubleshooting
DebugLevel LogLevel = iota
// InfoLevel for general operational information
InfoLevel
// WarnLevel for potentially harmful situations
WarnLevel
// ErrorLevel for error events that might still allow the application to continue
ErrorLevel
// FatalLevel for severe error events that will lead the application to abort
FatalLevel
)
// String returns the string representation of the log level
func (l LogLevel) String() string {
switch l {
case DebugLevel:
return "DEBUG"
case InfoLevel:
return "INFO"
case WarnLevel:
return "WARN"
case ErrorLevel:
return "ERROR"
case FatalLevel:
return "FATAL"
default:
return "UNKNOWN"
}
}
// Field represents a key-value pair for structured logging
type Field struct {
Key string
Value interface{}
}
// F creates a new Field
func F(key string, value interface{}) Field {
return Field{Key: key, Value: value}
}
// Logger provides structured logging capabilities
type Logger struct {
level LogLevel
writer io.Writer
fields []Field
context map[string]interface{}
}
// New creates a new Logger with the specified log level and writer
func New(level LogLevel, writer io.Writer) *Logger {
if writer == nil {
writer = os.Stdout
}
return &Logger{
level: level,
writer: writer,
fields: []Field{},
context: make(map[string]interface{}),
}
}
// Debug logs a message at debug level
func (l *Logger) Debug(msg string, fields ...Field) {
if l.level <= DebugLevel {
l.log(DebugLevel, msg, fields...)
}
}
// Info logs a message at info level
func (l *Logger) Info(msg string, fields ...Field) {
if l.level <= InfoLevel {
l.log(InfoLevel, msg, fields...)
}
}
// Warn logs a message at warn level
func (l *Logger) Warn(msg string, fields ...Field) {
if l.level <= WarnLevel {
l.log(WarnLevel, msg, fields...)
}
}
// Error logs a message at error level
func (l *Logger) Error(msg string, fields ...Field) {
if l.level <= ErrorLevel {
l.log(ErrorLevel, msg, fields...)
}
}
// Fatal logs a message at fatal level and then calls os.Exit(1)
func (l *Logger) Fatal(msg string, fields ...Field) {
if l.level <= FatalLevel {
l.log(FatalLevel, msg, fields...)
os.Exit(1)
}
}
// WithFields returns a new logger with the given fields added
func (l *Logger) WithFields(fields ...Field) *Logger {
newLogger := &Logger{
level: l.level,
writer: l.writer,
fields: append(l.fields, fields...),
context: l.context,
}
return newLogger
}
// WithContext returns a new logger with the given context added
func (l *Logger) WithContext(ctx map[string]interface{}) *Logger {
newContext := make(map[string]interface{})
for k, v := range l.context {
newContext[k] = v
}
for k, v := range ctx {
newContext[k] = v
}
newLogger := &Logger{
level: l.level,
writer: l.writer,
fields: l.fields,
context: newContext,
}
return newLogger
}
// SetLevel sets the log level
func (l *Logger) SetLevel(level LogLevel) {
l.level = level
}
// log formats and writes a log message
func (l *Logger) log(level LogLevel, msg string, fields ...Field) {
timestamp := time.Now().Format(time.RFC3339)
// Get caller information
_, file, line, ok := runtime.Caller(2)
caller := "unknown"
if ok {
parts := strings.Split(file, "/")
if len(parts) > 2 {
caller = fmt.Sprintf("%s:%d", parts[len(parts)-1], line)
} else {
caller = fmt.Sprintf("%s:%d", file, line)
}
}
// Format fields
allFields := append(l.fields, fields...)
fieldStr := ""
for _, field := range allFields {
fieldStr += fmt.Sprintf(" %s=%v", field.Key, field.Value)
}
// Format context
contextStr := ""
for k, v := range l.context {
contextStr += fmt.Sprintf(" %s=%v", k, v)
}
// Format log message
logMsg := fmt.Sprintf("%s [%s] %s %s%s%s\n", timestamp, level.String(), caller, msg, fieldStr, contextStr)
// Write log message
_, err := l.writer.Write([]byte(logMsg))
if err != nil {
log.Printf("Error writing log message: %v", err)
}
}
// Global logger instance
var defaultLogger = New(InfoLevel, os.Stdout)
// SetDefaultLogger sets the global logger instance
func SetDefaultLogger(logger *Logger) {
defaultLogger = logger
}
// SetDefaultLevel sets the log level for the default logger
func SetDefaultLevel(level LogLevel) {
defaultLogger.SetLevel(level)
}
// LogDebug logs a message at debug level using the default logger
func LogDebug(msg string, fields ...Field) {
defaultLogger.Debug(msg, fields...)
}
// LogInfo logs a message at info level using the default logger
func LogInfo(msg string, fields ...Field) {
defaultLogger.Info(msg, fields...)
}
// LogWarn logs a message at warn level using the default logger
func LogWarn(msg string, fields ...Field) {
defaultLogger.Warn(msg, fields...)
}
// LogError logs a message at error level using the default logger
func LogError(msg string, fields ...Field) {
defaultLogger.Error(msg, fields...)
}
// LogFatal logs a message at fatal level using the default logger and then calls os.Exit(1)
func LogFatal(msg string, fields ...Field) {
defaultLogger.Fatal(msg, fields...)
}
// WithFields returns a new logger with the given fields added using the default logger
func WithFields(fields ...Field) *Logger {
return defaultLogger.WithFields(fields...)
}
// WithContext returns a new logger with the given context added using the default logger
func WithContext(ctx map[string]interface{}) *Logger {
return defaultLogger.WithContext(ctx)
}

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package main
import (
"context"
"net/http"
"os"
"os/signal"
"syscall"
"tercul/config"
"tercul/internal/app"
"tercul/logger"
"time"
"github.com/hibiken/asynq"
)
// main is the entry point for the Tercul application.
// It uses the ApplicationBuilder and ServerFactory to initialize all components
// and start the servers in a clean, maintainable way.
func main() {
// Load configuration from environment variables
config.LoadConfig()
// Initialize structured logger with appropriate log level
logger.SetDefaultLevel(logger.InfoLevel)
logger.LogInfo("Starting Tercul application",
logger.F("environment", config.Cfg.Environment),
logger.F("version", "1.0.0"))
// Build application components
appBuilder := app.NewApplicationBuilder()
if err := appBuilder.Build(); err != nil {
logger.LogFatal("Failed to build application",
logger.F("error", err))
}
defer appBuilder.Close()
// Create server factory
serverFactory := app.NewServerFactory(appBuilder)
// Create servers
graphQLServer, err := serverFactory.CreateGraphQLServer()
if err != nil {
logger.LogFatal("Failed to create GraphQL server",
logger.F("error", err))
}
backgroundServers, err := serverFactory.CreateBackgroundJobServers()
if err != nil {
logger.LogFatal("Failed to create background job servers",
logger.F("error", err))
}
playgroundServer := serverFactory.CreatePlaygroundServer()
// Start HTTP servers in goroutines
go func() {
logger.LogInfo("Starting GraphQL server",
logger.F("port", config.Cfg.ServerPort))
if err := graphQLServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
logger.LogFatal("Failed to start GraphQL server",
logger.F("error", err))
}
}()
go func() {
logger.LogInfo("Starting GraphQL playground",
logger.F("port", config.Cfg.PlaygroundPort))
if err := playgroundServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
logger.LogFatal("Failed to start GraphQL playground",
logger.F("error", err))
}
}()
// Start background job servers in goroutines
for i, server := range backgroundServers {
go func(serverIndex int, srv *asynq.Server) {
logger.LogInfo("Starting background job server",
logger.F("serverIndex", serverIndex))
if err := srv.Run(asynq.NewServeMux()); err != nil {
logger.LogError("Background job server failed",
logger.F("serverIndex", serverIndex),
logger.F("error", err))
}
}(i, server)
}
// Wait for interrupt signal to gracefully shutdown the servers
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
logger.LogInfo("Shutting down servers...")
// Graceful shutdown
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
if err := graphQLServer.Shutdown(ctx); err != nil {
logger.LogError("GraphQL server forced to shutdown",
logger.F("error", err))
}
if err := playgroundServer.Shutdown(ctx); err != nil {
logger.LogError("GraphQL playground forced to shutdown",
logger.F("error", err))
}
// Shutdown background job servers
for i, server := range backgroundServers {
server.Shutdown()
logger.LogInfo("Background job server shutdown",
logger.F("serverIndex", i))
}
logger.LogInfo("All servers shutdown successfully")
}

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middleware/rate_limiter.go Normal file
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package middleware
import (
"net/http"
"sync"
"tercul/config"
"tercul/logger"
"time"
)
// Canonical token bucket implementation for strict burst/rate enforcement
// Each client has a bucket with up to 'capacity' tokens, refilled at 'rate' tokens/sec
// On each request, refill tokens based on elapsed time, allow only if tokens >= 1
type RateLimiter struct {
tokens map[string]float64 // tokens per client
lastRefill map[string]time.Time // last refill time per client
rate float64 // tokens per second
capacity float64 // maximum tokens
mu sync.Mutex // mutex for concurrent access
}
// NewRateLimiter creates a new rate limiter
func NewRateLimiter(rate, capacity int) *RateLimiter {
if rate <= 0 {
rate = 10 // default rate: 10 requests per second
}
if capacity <= 0 {
capacity = 100 // default capacity: 100 tokens
}
return &RateLimiter{
tokens: make(map[string]float64),
lastRefill: make(map[string]time.Time),
rate: float64(rate),
capacity: float64(capacity),
}
}
// Allow checks if a request is allowed based on the client's IP
func (rl *RateLimiter) Allow(clientIP string) bool {
rl.mu.Lock()
defer rl.mu.Unlock()
now := time.Now()
// Initialize bucket for new client
if _, exists := rl.tokens[clientIP]; !exists {
rl.tokens[clientIP] = rl.capacity
rl.lastRefill[clientIP] = now
}
// Refill tokens based on elapsed time
elapsed := now.Sub(rl.lastRefill[clientIP]).Seconds()
refill := elapsed * rl.rate
if refill > 0 {
rl.tokens[clientIP] = minF(rl.capacity, rl.tokens[clientIP]+refill)
rl.lastRefill[clientIP] = now
}
if rl.tokens[clientIP] >= 1 {
rl.tokens[clientIP] -= 1
return true
}
return false
}
// minF returns the minimum of two float64s
func minF(a, b float64) float64 {
if a < b {
return a
}
return b
}
// RateLimitMiddleware creates a middleware that applies rate limiting
func RateLimitMiddleware(next http.Handler) http.Handler {
rateLimiter := NewRateLimiter(config.Cfg.RateLimit, config.Cfg.RateLimitBurst)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// Use X-Client-ID header for client identification in tests
clientID := r.Header.Get("X-Client-ID")
if clientID == "" {
clientID = r.RemoteAddr
}
// Check if request is allowed
if !rateLimiter.Allow(clientID) {
logger.LogWarn("Rate limit exceeded",
logger.F("clientID", clientID),
logger.F("path", r.URL.Path))
w.WriteHeader(http.StatusTooManyRequests)
w.Write([]byte("Rate limit exceeded. Please try again later."))
return
}
// Continue to the next handler
next.ServeHTTP(w, r)
})
}

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package middleware_test
import (
"net/http"
"net/http/httptest"
"testing"
"time"
"tercul/config"
"tercul/middleware"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
// RateLimiterSuite is a test suite for the RateLimiter
type RateLimiterSuite struct {
suite.Suite
}
// TestRateLimiter tests the RateLimiter
func (s *RateLimiterSuite) TestRateLimiter() {
// Create a new rate limiter with 2 requests per second and a burst of 3
limiter := middleware.NewRateLimiter(2, 3)
// Test that the first 3 requests are allowed (burst)
for i := 0; i < 3; i++ {
allowed := limiter.Allow("test-client")
s.True(allowed, "Request %d should be allowed (burst)", i+1)
}
// Test that the 4th request is not allowed (burst exceeded)
allowed := limiter.Allow("test-client")
s.False(allowed, "Request 4 should not be allowed (burst exceeded)")
// Wait for 1 second to allow the rate limiter to refill
time.Sleep(1 * time.Second)
// Test that the next 2 requests are allowed (rate)
for i := 0; i < 2; i++ {
allowed := limiter.Allow("test-client")
s.True(allowed, "Request %d after wait should be allowed (rate)", i+1)
}
// Test that the 3rd request after wait is not allowed (rate exceeded)
allowed = limiter.Allow("test-client")
s.False(allowed, "Request 3 after wait should not be allowed (rate exceeded)")
}
// TestRateLimiterMultipleClients tests the RateLimiter with multiple clients
func (s *RateLimiterSuite) TestRateLimiterMultipleClients() {
// Create a new rate limiter with 2 requests per second and a burst of 3
limiter := middleware.NewRateLimiter(2, 3)
// Test that the first 3 requests for client1 are allowed (burst)
for i := 0; i < 3; i++ {
allowed := limiter.Allow("client1")
s.True(allowed, "Request %d for client1 should be allowed (burst)", i+1)
}
// Test that the first 3 requests for client2 are allowed (burst)
for i := 0; i < 3; i++ {
allowed := limiter.Allow("client2")
s.True(allowed, "Request %d for client2 should be allowed (burst)", i+1)
}
// Test that the 4th request for client1 is not allowed (burst exceeded)
allowed := limiter.Allow("client1")
s.False(allowed, "Request 4 for client1 should not be allowed (burst exceeded)")
// Test that the 4th request for client2 is not allowed (burst exceeded)
allowed = limiter.Allow("client2")
s.False(allowed, "Request 4 for client2 should not be allowed (burst exceeded)")
}
// TestRateLimiterMiddleware tests the RateLimiterMiddleware
func (s *RateLimiterSuite) TestRateLimiterMiddleware() {
// Set config to match test expectations
config.Cfg.RateLimit = 2
config.Cfg.RateLimitBurst = 3
// Create a test handler that always returns 200 OK
testHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
})
// Create a rate limiter middleware with 2 requests per second and a burst of 3
middleware := middleware.RateLimitMiddleware(testHandler)
// Create a test server
server := httptest.NewServer(middleware)
defer server.Close()
// Create a test client
client := server.Client()
// Use a static client IP for all requests
staticID := "test-client-id"
// Test that the first 3 requests are allowed (burst)
for i := 0; i < 3; i++ {
req, _ := http.NewRequest("GET", server.URL, nil)
req.Header.Set("X-Client-ID", staticID)
resp, err := client.Do(req)
s.Require().NoError(err)
s.Equal(http.StatusOK, resp.StatusCode, "Request %d should be allowed (burst)", i+1)
resp.Body.Close()
}
// Test that the 4th request is not allowed (burst exceeded)
req, _ := http.NewRequest("GET", server.URL, nil)
req.Header.Set("X-Client-ID", staticID)
resp, err := client.Do(req)
s.Require().NoError(err)
s.Equal(http.StatusTooManyRequests, resp.StatusCode, "Request 4 should not be allowed (burst exceeded)")
resp.Body.Close()
// Wait for 1.1 seconds to allow the rate limiter to refill (ensure >1 token)
time.Sleep(1100 * time.Millisecond)
// Test that the next 2 requests are allowed (rate)
for i := 0; i < 2; i++ {
req, _ := http.NewRequest("GET", server.URL, nil)
req.Header.Set("X-Client-ID", staticID)
resp, err := client.Do(req)
s.Require().NoError(err)
s.Equal(http.StatusOK, resp.StatusCode, "Request %d after wait should be allowed (rate)", i+1)
resp.Body.Close()
}
// Test that the 3rd request after wait is not allowed (rate exceeded)
req, _ = http.NewRequest("GET", server.URL, nil)
req.Header.Set("X-Client-ID", staticID)
resp, err = client.Do(req)
s.Require().NoError(err)
s.Equal(http.StatusTooManyRequests, resp.StatusCode, "Request 3 after wait should not be allowed (rate exceeded)")
resp.Body.Close()
}
// TestRateLimiterSuite runs the test suite
func TestRateLimiterSuite(t *testing.T) {
suite.Run(t, new(RateLimiterSuite))
}
// TestNewRateLimiter tests the NewRateLimiter function
func TestNewRateLimiter(t *testing.T) {
// Test with valid parameters
limiter := middleware.NewRateLimiter(10, 20)
assert.NotNil(t, limiter, "NewRateLimiter should return a non-nil limiter")
// Test with zero rate (should use default)
limiter = middleware.NewRateLimiter(0, 20)
assert.NotNil(t, limiter, "NewRateLimiter should return a non-nil limiter with default rate")
// Test with zero capacity (should use default)
limiter = middleware.NewRateLimiter(10, 0)
assert.NotNil(t, limiter, "NewRateLimiter should return a non-nil limiter with default capacity")
// Test with negative rate (should use default)
limiter = middleware.NewRateLimiter(-10, 20)
assert.NotNil(t, limiter, "NewRateLimiter should return a non-nil limiter with default rate")
// Test with negative capacity (should use default)
limiter = middleware.NewRateLimiter(10, -20)
assert.NotNil(t, limiter, "NewRateLimiter should return a non-nil limiter with default capacity")
}

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models/analytics.go Normal file
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package models
// WorkStats represents statistics for a work
type WorkStats struct {
BaseModel
Views int64 `gorm:"default:0"`
Likes int64 `gorm:"default:0"`
Comments int64 `gorm:"default:0"`
Bookmarks int64 `gorm:"default:0"`
Shares int64 `gorm:"default:0"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// TranslationStats represents statistics for a translation
type TranslationStats struct {
BaseModel
Views int64 `gorm:"default:0"`
Likes int64 `gorm:"default:0"`
Comments int64 `gorm:"default:0"`
Shares int64 `gorm:"default:0"`
TranslationID uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
}
// UserStats represents statistics for a user
type UserStats struct {
BaseModel
Activity int64 `gorm:"default:0"` // General activity score
Works int64 `gorm:"default:0"` // Number of works created
Translations int64 `gorm:"default:0"` // Number of translations created
Comments int64 `gorm:"default:0"` // Number of comments posted
Likes int64 `gorm:"default:0"` // Number of likes given
Bookmarks int64 `gorm:"default:0"` // Number of bookmarks created
UserID uint
User *User `gorm:"foreignKey:UserID"`
}
// BookStats represents statistics for a book
type BookStats struct {
BaseModel
Sales int64 `gorm:"default:0"`
Views int64 `gorm:"default:0"`
Likes int64 `gorm:"default:0"`
BookID uint
Book *Book `gorm:"foreignKey:BookID"`
}
// CollectionStats represents statistics for a collection
type CollectionStats struct {
BaseModel
Items int64 `gorm:"default:0"` // Number of works in the collection
Views int64 `gorm:"default:0"`
Likes int64 `gorm:"default:0"`
CollectionID uint
Collection *Collection `gorm:"foreignKey:CollectionID"`
}
// MediaStats represents statistics for media
type MediaStats struct {
BaseModel
Views int64 `gorm:"default:0"`
Downloads int64 `gorm:"default:0"`
Shares int64 `gorm:"default:0"`
MediaID uint
Media interface{} `gorm:"-"` // This would be a pointer to a Media type if it existed
}

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models/base.go Normal file
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package models
import (
"database/sql/driver"
"encoding/json"
"fmt"
"time"
)
// JSONB is a custom type for JSONB columns.
type JSONB map[string]interface{}
// Value marshals JSONB for storing in the DB.
func (j JSONB) Value() (driver.Value, error) {
if j == nil {
return "{}", nil
}
return json.Marshal(j)
}
// Scan unmarshals a JSONB value.
func (j *JSONB) Scan(value interface{}) error {
bytes, ok := value.([]byte)
if !ok {
return fmt.Errorf("failed to unmarshal JSONB value: %v", value)
}
return json.Unmarshal(bytes, j)
}
// BaseModel contains common fields for all models
type BaseModel struct {
ID uint `gorm:"primaryKey"`
CreatedAt time.Time
UpdatedAt time.Time
}
// TranslatableModel extends BaseModel with language support
type TranslatableModel struct {
BaseModel
Language string `gorm:"size:50;default:'multi'"`
Slug string `gorm:"size:255;index"`
}
// Translation status enum
type TranslationStatus string
const (
TranslationStatusDraft TranslationStatus = "draft"
TranslationStatusPublished TranslationStatus = "published"
TranslationStatusReviewing TranslationStatus = "reviewing"
TranslationStatusRejected TranslationStatus = "rejected"
)
// UserRole enum
type UserRole string
const (
UserRoleReader UserRole = "reader"
UserRoleContributor UserRole = "contributor"
UserRoleReviewer UserRole = "reviewer"
UserRoleEditor UserRole = "editor"
UserRoleAdmin UserRole = "admin"
)

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models/interaction.go Normal file
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package models
import (
"time"
)
// Comment represents a user comment on a work or translation
type Comment struct {
BaseModel
Text string `gorm:"type:text;not null"`
UserID uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
LineNumber *int `gorm:"index"`
TextBlockID *uint
TextBlock *TextBlock `gorm:"foreignKey:TextBlockID"`
ParentID *uint
Parent *Comment `gorm:"foreignKey:ParentID"`
Children []*Comment `gorm:"foreignKey:ParentID"`
Likes []*Like `gorm:"foreignKey:CommentID"`
}
// Like represents a user like on a work, translation, or comment
type Like struct {
BaseModel
UserID uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
CommentID *uint
Comment *Comment `gorm:"foreignKey:CommentID"`
}
// Bookmark represents a user bookmark of a work
type Bookmark struct {
BaseModel
Name string `gorm:"size:100"`
UserID uint
User *User `gorm:"foreignKey:UserID"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
Notes string `gorm:"type:text"`
LastReadAt *time.Time
Progress int `gorm:"default:0"` // Percentage of completion
}
// Collection represents a user-created collection of works
type Collection struct {
TranslatableModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
UserID uint
User *User `gorm:"foreignKey:UserID"`
Works []*Work `gorm:"many2many:collection_works"`
IsPublic bool `gorm:"default:true"`
CoverImageURL string `gorm:"size:255"`
}
// Contribution represents a user contribution (work or translation)
type Contribution struct {
BaseModel
Name string `gorm:"size:100;not null"`
Status string `gorm:"size:20;default:'draft'"` // draft, submitted, reviewing, approved, rejected
UserID uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
ReviewerID *uint
Reviewer *User `gorm:"foreignKey:ReviewerID"`
ReviewedAt *time.Time
Feedback string `gorm:"type:text"`
}

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package models
// BookWork represents the many-to-many relationship between books and works
type BookWork struct {
BaseModel
BookID uint
Book *Book `gorm:"foreignKey:BookID"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
Order int `gorm:"default:0"` // For ordering works in books
}
// AuthorCountry represents the many-to-many relationship between authors and countries
type AuthorCountry struct {
BaseModel
AuthorID uint
Author *Author `gorm:"foreignKey:AuthorID"`
CountryID uint
Country *Country `gorm:"foreignKey:CountryID"`
}
// WorkAuthor represents authorship with role and order for a work
type WorkAuthor struct {
BaseModel
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
AuthorID uint
Author *Author `gorm:"foreignKey:AuthorID"`
Role string `gorm:"size:50;default:'author'"`
Ordinal int `gorm:"default:0"`
}
// BookAuthor represents book-level contributor role and order
type BookAuthor struct {
BaseModel
BookID uint
Book *Book `gorm:"foreignKey:BookID"`
AuthorID uint
Author *Author `gorm:"foreignKey:AuthorID"`
Role string `gorm:"size:50;default:'author'"`
Ordinal int `gorm:"default:0"`
}

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package models
// ReadabilityScore represents a readability score for a work
type ReadabilityScore struct {
BaseModel
Score float64 `gorm:"type:decimal(5,2)"`
Language string `gorm:"size:50;not null"`
Method string `gorm:"size:50"` // e.g., Flesch-Kincaid, SMOG, etc.
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// WritingStyle represents the writing style of a work
type WritingStyle struct {
BaseModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// LinguisticLayer represents a linguistic layer of analysis
type LinguisticLayer struct {
BaseModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
Type string `gorm:"size:50"` // e.g., morphological, syntactic, semantic, etc.
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
Data JSONB `gorm:"type:jsonb;default:'{}'"`
}
// TextBlock represents a fine-grained unit of text
type TextBlock struct {
BaseModel
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
Index int `gorm:"index"`
Type string `gorm:"size:30"` // paragraph|line|stanza|chapter|section
StartOffset int `gorm:"default:0"`
EndOffset int `gorm:"default:0"`
Text string `gorm:"type:text"`
}
// TextMetadata represents metadata about a text
type TextMetadata struct {
BaseModel
Analysis string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
WordCount int `gorm:"default:0"`
SentenceCount int `gorm:"default:0"`
ParagraphCount int `gorm:"default:0"`
AverageWordLength float64 `gorm:"type:decimal(5,2)"`
AverageSentenceLength float64 `gorm:"type:decimal(5,2)"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// PoeticAnalysis represents poetic analysis of a work
type PoeticAnalysis struct {
BaseModel
Structure string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
RhymeScheme string `gorm:"size:100"`
MeterType string `gorm:"size:50"`
StanzaCount int `gorm:"default:0"`
LineCount int `gorm:"default:0"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// Word represents a word in a work
type Word struct {
BaseModel
Text string `gorm:"size:100;not null"`
Language string `gorm:"size:50;not null"`
PartOfSpeech string `gorm:"size:20"`
Lemma string `gorm:"size:100"`
ConceptID *uint
Concept *Concept `gorm:"foreignKey:ConceptID"`
Works []*Work `gorm:"many2many:work_words"`
}
// WordOccurrence captures a word instance with positions
type WordOccurrence struct {
BaseModel
TextBlockID uint
TextBlock *TextBlock `gorm:"foreignKey:TextBlockID"`
WordID *uint
Word *Word `gorm:"foreignKey:WordID"`
StartOffset int `gorm:"default:0"`
EndOffset int `gorm:"default:0"`
Lemma string `gorm:"size:100"`
PartOfSpeech string `gorm:"size:20"`
}
// Concept represents a semantic concept
type Concept struct {
BaseModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Words []*Word `gorm:"foreignKey:ConceptID"`
Works []*Work `gorm:"many2many:work_concepts"`
}
// LanguageEntity represents a named entity in a language
type LanguageEntity struct {
BaseModel
Name string `gorm:"size:100;not null"`
Type string `gorm:"size:50"` // e.g., person, location, organization, etc.
Language string `gorm:"size:50;not null"`
Works []*Work `gorm:"many2many:work_language_entities"`
}
// EntityOccurrence captures a named entity mention with positions
type EntityOccurrence struct {
BaseModel
TextBlockID uint
TextBlock *TextBlock `gorm:"foreignKey:TextBlockID"`
LanguageEntityID uint
LanguageEntity *LanguageEntity `gorm:"foreignKey:LanguageEntityID"`
StartOffset int `gorm:"default:0"`
EndOffset int `gorm:"default:0"`
}

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package models
import (
"gorm.io/gorm"
"time"
)
// WorkStatus represents the status of a work
type WorkStatus string
const (
WorkStatusDraft WorkStatus = "draft"
WorkStatusPublished WorkStatus = "published"
WorkStatusArchived WorkStatus = "archived"
WorkStatusDeleted WorkStatus = "deleted"
)
// WorkType represents the type of literary work
type WorkType string
const (
WorkTypePoetry WorkType = "poetry"
WorkTypeProse WorkType = "prose"
WorkTypeDrama WorkType = "drama"
WorkTypeEssay WorkType = "essay"
WorkTypeNovel WorkType = "novel"
WorkTypeShortStory WorkType = "short_story"
WorkTypeNovella WorkType = "novella"
WorkTypePlay WorkType = "play"
WorkTypeScript WorkType = "script"
WorkTypeOther WorkType = "other"
)
// Work represents a literary work in its original form
type Work struct {
TranslatableModel
Title string `gorm:"size:255;not null"`
Description string `gorm:"type:text"`
Type WorkType `gorm:"size:50;default:'other'"`
Status WorkStatus `gorm:"size:50;default:'draft'"`
PublishedAt *time.Time
Translations []Translation `gorm:"polymorphic:Translatable"`
Authors []*Author `gorm:"many2many:work_authors"`
Tags []*Tag `gorm:"many2many:work_tags"`
Categories []*Category `gorm:"many2many:work_categories"`
Copyrights []Copyright `gorm:"polymorphic:Copyrightable"`
Monetizations []Monetization `gorm:"polymorphic:Monetizable"`
}
// AuthorStatus represents the status of an author
type AuthorStatus string
const (
AuthorStatusActive AuthorStatus = "active"
AuthorStatusInactive AuthorStatus = "inactive"
AuthorStatusDeceased AuthorStatus = "deceased"
)
// Author represents a creator of literary works
type Author struct {
TranslatableModel
Name string `gorm:"size:255;not null"`
Status AuthorStatus `gorm:"size:50;default:'active'"`
BirthDate *time.Time
DeathDate *time.Time
Works []*Work `gorm:"many2many:work_authors"`
Books []*Book `gorm:"many2many:book_authors"`
CountryID *uint
Country *Country `gorm:"foreignKey:CountryID"`
CityID *uint
City *City `gorm:"foreignKey:CityID"`
PlaceID *uint
Place *Place `gorm:"foreignKey:PlaceID"`
AddressID *uint
Address *Address `gorm:"foreignKey:AddressID"`
Translations []Translation `gorm:"polymorphic:Translatable"`
Copyrights []Copyright `gorm:"polymorphic:Copyrightable"`
Monetizations []Monetization `gorm:"polymorphic:Monetizable"`
}
// BookStatus represents the status of a book
type BookStatus string
const (
BookStatusDraft BookStatus = "draft"
BookStatusPublished BookStatus = "published"
BookStatusOutOfPrint BookStatus = "out_of_print"
BookStatusArchived BookStatus = "archived"
)
// BookFormat represents the format of a book
type BookFormat string
const (
BookFormatHardcover BookFormat = "hardcover"
BookFormatPaperback BookFormat = "paperback"
BookFormatEbook BookFormat = "ebook"
BookFormatAudiobook BookFormat = "audiobook"
BookFormatDigital BookFormat = "digital"
)
// Book represents a physical or digital book that may contain multiple works
type Book struct {
TranslatableModel
Title string `gorm:"size:255;not null"`
Description string `gorm:"type:text"`
ISBN string `gorm:"size:20;index"`
Format BookFormat `gorm:"size:50;default:'paperback'"`
Status BookStatus `gorm:"size:50;default:'draft'"`
PublishedAt *time.Time
Works []*Work `gorm:"many2many:book_works"`
Authors []*Author `gorm:"many2many:book_authors"`
PublisherID *uint
Publisher *Publisher `gorm:"foreignKey:PublisherID"`
Translations []Translation `gorm:"polymorphic:Translatable"`
Copyrights []Copyright `gorm:"polymorphic:Copyrightable"`
Monetizations []Monetization `gorm:"polymorphic:Monetizable"`
}
// PublisherStatus represents the status of a publisher
type PublisherStatus string
const (
PublisherStatusActive PublisherStatus = "active"
PublisherStatusInactive PublisherStatus = "inactive"
PublisherStatusDefunct PublisherStatus = "defunct"
)
// Publisher represents a book publisher
type Publisher struct {
TranslatableModel
Name string `gorm:"size:255;not null"`
Description string `gorm:"type:text"`
Status PublisherStatus `gorm:"size:50;default:'active'"`
Books []*Book `gorm:"foreignKey:PublisherID"`
CountryID *uint
Country *Country `gorm:"foreignKey:CountryID"`
Translations []Translation `gorm:"polymorphic:Translatable"`
Copyrights []Copyright `gorm:"polymorphic:Copyrightable"`
Monetizations []Monetization `gorm:"polymorphic:Monetizable"`
}
// SourceStatus represents the status of a source
type SourceStatus string
const (
SourceStatusActive SourceStatus = "active"
SourceStatusInactive SourceStatus = "inactive"
SourceStatusArchived SourceStatus = "archived"
)
// Source represents an original source of literary content
type Source struct {
TranslatableModel
Name string `gorm:"size:255;not null"`
Description string `gorm:"type:text"`
URL string `gorm:"size:512"`
Status SourceStatus `gorm:"size:50;default:'active'"`
Works []*Work `gorm:"many2many:work_sources"`
Translations []Translation `gorm:"polymorphic:Translatable"`
Copyrights []Copyright `gorm:"polymorphic:Copyrightable"`
Monetizations []Monetization `gorm:"polymorphic:Monetizable"`
}
// EditionStatus represents the status of an edition
type EditionStatus string
const (
EditionStatusDraft EditionStatus = "draft"
EditionStatusPublished EditionStatus = "published"
EditionStatusOutOfPrint EditionStatus = "out_of_print"
EditionStatusArchived EditionStatus = "archived"
)
// Edition represents a specific edition of a book
type Edition struct {
BaseModel
Title string `gorm:"size:255;not null"`
Description string `gorm:"type:text"`
ISBN string `gorm:"size:20;index"`
Version string `gorm:"size:50"`
Format BookFormat `gorm:"size:50;default:'paperback'"`
Status EditionStatus `gorm:"size:50;default:'draft'"`
PublishedAt *time.Time
BookID uint
Book *Book `gorm:"foreignKey:BookID"`
}
// BeforeSave hooks for validation
func (w *Work) BeforeSave(tx *gorm.DB) error {
if w.Title == "" {
w.Title = "Untitled Work"
}
return nil
}
func (a *Author) BeforeSave(tx *gorm.DB) error {
if a.Name == "" {
a.Name = "Unknown Author"
}
return nil
}
func (b *Book) BeforeSave(tx *gorm.DB) error {
if b.Title == "" {
b.Title = "Untitled Book"
}
return nil
}
func (p *Publisher) BeforeSave(tx *gorm.DB) error {
if p.Name == "" {
p.Name = "Unknown Publisher"
}
return nil
}

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models/location.go Normal file
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package models
// Country represents a country
type Country struct {
TranslatableModel
Name string `gorm:"size:100;not null"`
Code string `gorm:"size:2;not null;uniqueIndex"`
PhoneCode string `gorm:"size:10"`
Currency string `gorm:"size:3"`
Continent string `gorm:"size:20"`
// Relationships
Cities []*City `gorm:"foreignKey:CountryID"`
Places []*Place `gorm:"foreignKey:CountryID"`
Addresses []*Address `gorm:"foreignKey:CountryID"`
}
// Language represents a normalized language reference (ISO-639)
type Language struct {
BaseModel
Code string `gorm:"size:16;not null;uniqueIndex"` // e.g., en, en-US, eng
Name string `gorm:"size:100;not null"`
Script string `gorm:"size:20"` // Latn, Cyrl
Direction string `gorm:"size:5"` // ltr, rtl
}
// City represents a city
type City struct {
TranslatableModel
Name string `gorm:"size:100;not null"`
CountryID uint
Country *Country `gorm:"foreignKey:CountryID"`
// Relationships
Places []*Place `gorm:"foreignKey:CityID"`
Addresses []*Address `gorm:"foreignKey:CityID"`
}
// Place represents a specific place (landmark, building, etc.)
type Place struct {
TranslatableModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Latitude float64
Longitude float64
CountryID *uint
Country *Country `gorm:"foreignKey:CountryID"`
CityID *uint
City *City `gorm:"foreignKey:CityID"`
}
// Address represents a physical address
type Address struct {
BaseModel
Street string `gorm:"size:255"`
StreetNumber string `gorm:"size:20"`
PostalCode string `gorm:"size:20"`
CountryID *uint
Country *Country `gorm:"foreignKey:CountryID"`
CityID *uint
City *City `gorm:"foreignKey:CityID"`
Latitude *float64
Longitude *float64
}

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models/metadata.go Normal file
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package models
import (
"time"
)
// LanguageAnalysis represents language analysis for a work
type LanguageAnalysis struct {
BaseModel
Language string `gorm:"size:50;not null"`
Analysis JSONB `gorm:"type:jsonb;default:'{}'"`
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// Gamification represents gamification elements for a user
type Gamification struct {
BaseModel
Points int `gorm:"default:0"`
Level int `gorm:"default:1"`
Badges JSONB `gorm:"type:jsonb;default:'{}'"`
Streaks int `gorm:"default:0"`
LastActive *time.Time
UserID uint
User *User `gorm:"foreignKey:UserID"`
}
// Stats represents general statistics
type Stats struct {
BaseModel
Data JSONB `gorm:"type:jsonb;default:'{}'"`
Period string `gorm:"size:50"` // e.g., daily, weekly, monthly, etc.
StartDate time.Time
EndDate time.Time
UserID *uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
}
// SearchDocument is a denormalized text representation for indexing
type SearchDocument struct {
BaseModel
EntityType string `gorm:"size:50;index"`
EntityID uint `gorm:"index"`
LanguageCode string `gorm:"size:16;index"`
Title string `gorm:"size:512"`
Body string `gorm:"type:text"`
Keywords string `gorm:"type:text"`
}

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models/organization.go Normal file
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package models
// Tag represents a tag for categorizing works
type Tag struct {
BaseModel
Name string `gorm:"size:100;not null;uniqueIndex"`
Description string `gorm:"type:text"`
Works []*Work `gorm:"many2many:work_tags"`
Slug string `gorm:"size:255;index"`
}
// Category represents a category for organizing works
type Category struct {
BaseModel
Name string `gorm:"size:100;not null;uniqueIndex"`
Description string `gorm:"type:text"`
ParentID *uint
Parent *Category `gorm:"foreignKey:ParentID"`
Children []*Category `gorm:"foreignKey:ParentID"`
Works []*Work `gorm:"many2many:work_categories"`
Path string `gorm:"size:1024;index"`
Slug string `gorm:"size:255;index"`
}
// Series represents a literary series
type Series struct {
BaseModel
Name string `gorm:"size:255;not null;uniqueIndex"`
Description string `gorm:"type:text"`
}
// WorkSeries is a join capturing a work's position in a series
type WorkSeries struct {
BaseModel
WorkID uint
Work *Work `gorm:"foreignKey:WorkID"`
SeriesID uint
Series *Series `gorm:"foreignKey:SeriesID"`
NumberInSeries int `gorm:"default:0"`
}

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package models
import (
"gorm.io/gorm"
"time"
)
// Translation represents a polymorphic translation for any entity
type Translation struct {
BaseModel
Title string `gorm:"size:255;not null"`
Content string `gorm:"type:text"` // Markdown formatted content
Description string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
Status TranslationStatus `gorm:"size:50;default:'draft'"`
PublishedAt *time.Time
// Polymorphic relationship
TranslatableID uint `gorm:"not null"`
TranslatableType string `gorm:"size:50;not null"` // "Work", "Author", "Book", "Country", etc.
// Translator information
TranslatorID *uint
Translator *User `gorm:"foreignKey:TranslatorID"`
// Additional metadata
IsOriginalLanguage bool `gorm:"default:false"`
AudioURL string `gorm:"size:512"`
DateTranslated *time.Time
}
// TranslationField represents a specific translatable field
type TranslationField struct {
BaseModel
TranslationID uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
FieldName string `gorm:"size:100;not null"` // e.g., "title", "description", "biography"
FieldValue string `gorm:"type:text;not null"`
Language string `gorm:"size:50;not null"`
}
// TranslatableEntity interface for entities that can have translations
type TranslatableEntity interface {
GetID() uint
GetType() string
GetDefaultLanguage() string
}
// Persistence is owned by repositories; models remain persistence-agnostic
// GetTranslatableFields returns the fields that can be translated for an entity type
func GetTranslatableFields(entityType string) []string {
fieldMappings := map[string][]string{
"Work": {"title", "content", "description"},
"Author": {"name", "biography"},
"Book": {"title", "description"},
"Country": {"name"},
"Publisher": {"name", "description"},
"Source": {"name", "description"},
}
if fields, exists := fieldMappings[entityType]; exists {
return fields
}
return []string{}
}
// BeforeSave hook for Translation to ensure title is set
func (t *Translation) BeforeSave(tx *gorm.DB) error {
if t.Title == "" {
t.Title = "Untitled Translation"
}
return nil
}
// Interface implementations for existing models
// Work implements TranslatableEntity
func (w *Work) GetID() uint { return w.ID }
func (w *Work) GetType() string { return "Work" }
func (w *Work) GetDefaultLanguage() string { return w.Language }
// Author implements TranslatableEntity
func (a *Author) GetID() uint { return a.ID }
func (a *Author) GetType() string { return "Author" }
func (a *Author) GetDefaultLanguage() string { return a.Language }
// Book implements TranslatableEntity
func (b *Book) GetID() uint { return b.ID }
func (b *Book) GetType() string { return "Book" }
func (b *Book) GetDefaultLanguage() string { return b.Language }
// Country implements TranslatableEntity
func (c *Country) GetID() uint { return c.ID }
func (c *Country) GetType() string { return "Country" }
func (c *Country) GetDefaultLanguage() string { return c.Language }
// Publisher implements TranslatableEntity
func (p *Publisher) GetID() uint { return p.ID }
func (p *Publisher) GetType() string { return "Publisher" }
func (p *Publisher) GetDefaultLanguage() string { return p.Language }
// Source implements TranslatableEntity
func (s *Source) GetID() uint { return s.ID }
func (s *Source) GetType() string { return "Source" }
func (s *Source) GetDefaultLanguage() string { return s.Language }

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models/psychological.go Normal file
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package models
// Emotion represents an emotion associated with a work
type Emotion struct {
BaseModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
Intensity float64 `gorm:"type:decimal(5,2);default:0.0"`
UserID *uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
CollectionID *uint
Collection *Collection `gorm:"foreignKey:CollectionID"`
}
// Mood represents a mood associated with a work
type Mood struct {
BaseModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
Works []*Work `gorm:"many2many:work_moods"`
}
// TopicCluster represents a cluster of related topics
type TopicCluster struct {
BaseModel
Name string `gorm:"size:100;not null"`
Description string `gorm:"type:text"`
Keywords string `gorm:"type:text"`
Works []*Work `gorm:"many2many:work_topic_clusters"`
}

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models/relationship.go Normal file
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package models
// Edge represents a polymorphic relationship between entities
type Edge struct {
BaseModel
SourceTable string `gorm:"size:50;not null"`
SourceID uint `gorm:"not null"`
TargetTable string `gorm:"size:50;not null"`
TargetID uint `gorm:"not null"`
Relation string `gorm:"size:50;default:'ASSOCIATED_WITH';not null"`
Language string `gorm:"size:10;default:'en'"`
Extra JSONB `gorm:"type:jsonb;default:'{}'"`
}
// Embedding represents a vector embedding for an entity, used for keeping the copy of the embedding in the database,
// search is implemented in the weaviate package
type Embedding struct {
BaseModel
// External vector storage reference (e.g., Weaviate object UUID)
ExternalID string `gorm:"size:64;index"`
EntityType string `gorm:"size:50;not null"`
EntityID uint `gorm:"not null"`
Model string `gorm:"size:50;not null"` // e.g., bert, gpt, etc.
Dim int `gorm:"default:0"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
}
// Media represents a media file associated with an entity
type Media struct {
BaseModel
URL string `gorm:"size:512;not null"`
Type string `gorm:"size:50;not null"` // e.g., image, video, audio, etc.
MimeType string `gorm:"size:100"`
Size int64 `gorm:"default:0"`
Title string `gorm:"size:255"`
Description string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
AuthorID *uint
Author *Author `gorm:"foreignKey:AuthorID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
CountryID *uint
Country *Country `gorm:"foreignKey:CountryID"`
CityID *uint
City *City `gorm:"foreignKey:CityID"`
}

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package models
import (
"time"
)
// Copyright represents a copyright that can be attached to any entity
type Copyright struct {
BaseModel
Identificator string `gorm:"size:100;not null"` // Rails: identificator field
Name string `gorm:"size:255;not null"`
Description string `gorm:"type:text"`
License string `gorm:"size:100"`
StartDate *time.Time
EndDate *time.Time
// Polymorphic relationships - can attach to any entity
Copyrightables []Copyrightable `gorm:"polymorphic:Copyrightable"`
// Translations for multilingual copyright messages
Translations []CopyrightTranslation `gorm:"foreignKey:CopyrightID"`
}
// Copyrightable represents a polymorphic relationship for copyrights
type Copyrightable struct {
BaseModel
CopyrightID uint
Copyright *Copyright `gorm:"foreignKey:CopyrightID"`
CopyrightableID uint // ID of the entity (work, translation, book, etc.)
CopyrightableType string // Type: "Work", "Translation", "Book", "Author", etc.
}
// CopyrightTranslation for multilingual copyright messages
type CopyrightTranslation struct {
BaseModel
CopyrightID uint
Copyright *Copyright `gorm:"foreignKey:CopyrightID"`
LanguageCode string `gorm:"size:10;not null"`
Message string `gorm:"type:text;not null"`
Description string `gorm:"type:text"`
}
// CopyrightClaimStatus represents the status of a copyright claim
type CopyrightClaimStatus string
const (
CopyrightClaimStatusPending CopyrightClaimStatus = "pending"
CopyrightClaimStatusApproved CopyrightClaimStatus = "approved"
CopyrightClaimStatusRejected CopyrightClaimStatus = "rejected"
)
// CopyrightClaim represents a copyright claim
type CopyrightClaim struct {
BaseModel
Details string `gorm:"type:text;not null"`
Status CopyrightClaimStatus `gorm:"size:50;default:'pending'"`
ClaimDate time.Time `gorm:"not null"`
Resolution string `gorm:"type:text"`
ResolvedAt *time.Time
UserID *uint
User *User `gorm:"foreignKey:UserID"`
// Polymorphic relationship - can attach to any entity
Claimables []Copyrightable `gorm:"polymorphic:Copyrightable"`
}
// MonetizationType represents the type of monetization
type MonetizationType string
const (
MonetizationTypeSubscription MonetizationType = "subscription"
MonetizationTypeOneTime MonetizationType = "one_time"
MonetizationTypeDonation MonetizationType = "donation"
MonetizationTypeAdvertisement MonetizationType = "advertisement"
MonetizationTypeLicensing MonetizationType = "licensing"
)
// MonetizationStatus represents the status of monetization
type MonetizationStatus string
const (
MonetizationStatusActive MonetizationStatus = "active"
MonetizationStatusInactive MonetizationStatus = "inactive"
MonetizationStatusPending MonetizationStatus = "pending"
)
// Monetizable represents a polymorphic relationship for monetization
type Monetizable struct {
BaseModel
MonetizationID uint
Monetization *Monetization `gorm:"foreignKey:MonetizationID"`
MonetizableID uint // ID of the entity (work, translation, book, etc.)
MonetizableType string // Type: "Work", "Translation", "Book", "Author", etc.
}
// Monetization represents monetization information for any entity
type Monetization struct {
BaseModel
Amount float64 `gorm:"type:decimal(10,2);default:0.0"`
Currency string `gorm:"size:3;default:'USD'"`
Type MonetizationType `gorm:"size:50"`
Status MonetizationStatus `gorm:"size:50;default:'active'"`
StartDate *time.Time
EndDate *time.Time
Language string `gorm:"size:50;not null"`
// Polymorphic relationships - can attach to any entity
Monetizables []Monetizable `gorm:"polymorphic:Monetizable"`
}
// License represents a standard license record
type License struct {
BaseModel
SPDXIdentifier string `gorm:"size:64;uniqueIndex"`
Name string `gorm:"size:255;not null"`
URL string `gorm:"size:512"`
Description string `gorm:"type:text"`
}
// ModerationFlag represents moderation flags for any entity
type ModerationFlag struct {
BaseModel
TargetType string `gorm:"size:50;not null"`
TargetID uint `gorm:"not null"`
Reason string `gorm:"size:255"`
Status string `gorm:"size:50;default:'open'"`
ReviewerID *uint
Reviewer *User `gorm:"foreignKey:ReviewerID"`
Notes string `gorm:"type:text"`
}
// AuditLog captures changes for governance and traceability
type AuditLog struct {
BaseModel
ActorID *uint
Actor *User `gorm:"foreignKey:ActorID"`
Action string `gorm:"size:50;not null"`
EntityType string `gorm:"size:50;not null"`
EntityID uint `gorm:"not null"`
Before JSONB `gorm:"type:jsonb;default:'{}'"`
After JSONB `gorm:"type:jsonb;default:'{}'"`
At time.Time `gorm:"autoCreateTime"`
}

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package models
import (
"time"
)
// Notification represents a notification for a user
type Notification struct {
BaseModel
Message string `gorm:"type:text;not null"`
Type string `gorm:"size:50"` // e.g., comment, like, follow, etc.
Read bool `gorm:"default:false"`
Language string `gorm:"size:50;not null"`
UserID uint
User *User `gorm:"foreignKey:UserID"`
RelatedID *uint // ID of the related entity (work, comment, etc.)
RelatedType string `gorm:"size:50"` // Type of the related entity
}
// EditorialWorkflow represents an editorial workflow for a work or translation
type EditorialWorkflow struct {
BaseModel
Stage string `gorm:"size:50;not null"` // e.g., draft, review, editing, published
Notes string `gorm:"type:text"`
Language string `gorm:"size:50;not null"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
UserID uint
User *User `gorm:"foreignKey:UserID"`
AssignedToID *uint
AssignedTo *User `gorm:"foreignKey:AssignedToID"`
DueDate *time.Time
CompletedAt *time.Time
}
// Admin represents an admin user
type Admin struct {
BaseModel
UserID uint
User *User `gorm:"foreignKey:UserID"`
Role string `gorm:"size:50;not null"` // e.g., super, content, user, etc.
Permissions JSONB `gorm:"type:jsonb;default:'{}'"`
}
// Vote represents a vote on a work, translation, or comment
type Vote struct {
BaseModel
Value int `gorm:"default:0"` // Positive or negative value
UserID uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
CommentID *uint
Comment *Comment `gorm:"foreignKey:CommentID"`
}
// Contributor represents a contributor to a work or translation
type Contributor struct {
BaseModel
Name string `gorm:"size:100;not null"`
Role string `gorm:"size:50"` // e.g., author, translator, editor, etc.
UserID *uint
User *User `gorm:"foreignKey:UserID"`
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
}
// InteractionEvent captures raw interaction signals for later aggregation
type InteractionEvent struct {
BaseModel
UserID *uint
User *User `gorm:"foreignKey:UserID"`
TargetType string `gorm:"size:50;not null"` // work|translation|comment|collection|media
TargetID uint `gorm:"not null"`
Kind string `gorm:"size:30;not null"` // view|like|comment|share|bookmark
OccurredAt time.Time `gorm:"index"`
}
// HybridEntityWork represents a hybrid entity for a work
type HybridEntityWork struct {
BaseModel
Name string `gorm:"size:100;not null"`
Type string `gorm:"size:50"` // e.g., work, translation, etc.
WorkID *uint
Work *Work `gorm:"foreignKey:WorkID"`
TranslationID *uint
Translation *Translation `gorm:"foreignKey:TranslationID"`
}

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package models
import (
"errors"
"golang.org/x/crypto/bcrypt"
"gorm.io/gorm"
"time"
)
// User represents a user of the platform
type User struct {
BaseModel
Username string `gorm:"size:50;not null;unique"`
Email string `gorm:"size:100;not null;unique"`
Password string `gorm:"size:255;not null"`
FirstName string `gorm:"size:50"`
LastName string `gorm:"size:50"`
DisplayName string `gorm:"size:100"`
Bio string `gorm:"type:text"`
AvatarURL string `gorm:"size:255"`
Role UserRole `gorm:"size:20;default:'reader'"`
LastLoginAt *time.Time
Verified bool `gorm:"default:false"`
Active bool `gorm:"default:true"`
// Relationships
Translations []*Translation `gorm:"foreignKey:TranslatorID"`
Comments []*Comment `gorm:"foreignKey:UserID"`
Likes []*Like `gorm:"foreignKey:UserID"`
Bookmarks []*Bookmark `gorm:"foreignKey:UserID"`
Collections []*Collection `gorm:"foreignKey:UserID"`
Contributions []*Contribution `gorm:"foreignKey:UserID"`
// Location information
CountryID *uint
Country *Country `gorm:"foreignKey:CountryID"`
CityID *uint
City *City `gorm:"foreignKey:CityID"`
AddressID *uint
Address *Address `gorm:"foreignKey:AddressID"`
}
// UserProfile represents additional profile information for a user
type UserProfile struct {
BaseModel
UserID uint `gorm:"uniqueIndex"`
User *User `gorm:"foreignKey:UserID"`
PhoneNumber string `gorm:"size:20"`
Website string `gorm:"size:255"`
Twitter string `gorm:"size:50"`
Facebook string `gorm:"size:50"`
LinkedIn string `gorm:"size:50"`
Github string `gorm:"size:50"`
Preferences JSONB `gorm:"type:jsonb;default:'{}'"`
Settings JSONB `gorm:"type:jsonb;default:'{}'"`
}
// UserSession represents a user session
type UserSession struct {
BaseModel
UserID uint `gorm:"index"`
User *User `gorm:"foreignKey:UserID"`
Token string `gorm:"size:255;not null;uniqueIndex"`
IP string `gorm:"size:50"`
UserAgent string `gorm:"size:255"`
ExpiresAt time.Time `gorm:"not null"`
}
// PasswordReset represents a password reset request
type PasswordReset struct {
BaseModel
UserID uint `gorm:"index"`
User *User `gorm:"foreignKey:UserID"`
Token string `gorm:"size:255;not null;uniqueIndex"`
ExpiresAt time.Time `gorm:"not null"`
Used bool `gorm:"default:false"`
}
// EmailVerification represents an email verification request
type EmailVerification struct {
BaseModel
UserID uint `gorm:"index"`
User *User `gorm:"foreignKey:UserID"`
Token string `gorm:"size:255;not null;uniqueIndex"`
ExpiresAt time.Time `gorm:"not null"`
Used bool `gorm:"default:false"`
}
// BeforeSave hook for User to hash password if changed
func (u *User) BeforeSave(tx *gorm.DB) error {
// Check if password needs to be hashed
if u.Password == "" {
return nil // No password to hash
}
// Check if password is already hashed
if len(u.Password) >= 60 && u.Password[:4] == "$2a$" {
return nil // Password is already hashed
}
// Hash the password with bcrypt
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(u.Password), bcrypt.DefaultCost)
if err != nil {
return errors.New("failed to hash password: " + err.Error())
}
u.Password = string(hashedPassword)
return nil
}
// CheckPassword verifies the provided password against the stored hash
func (u *User) CheckPassword(password string) bool {
err := bcrypt.CompareHashAndPassword([]byte(u.Password), []byte(password))
return err == nil
}

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package models_test
import (
"testing"
"tercul/internal/testutil"
"tercul/models"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
"golang.org/x/crypto/bcrypt"
)
// UserModelSuite is a test suite for the User model
// Refactored to use in-memory user store
type UserModelSuite struct {
suite.Suite
users []*models.User
}
func (s *UserModelSuite) SetupSuite() {
s.users = []*models.User{}
}
func (s *UserModelSuite) SetupTest() {
s.users = []*models.User{}
}
// createTestUser creates a test user and stores it in-memory
func (s *UserModelSuite) createTestUser(username, email, password string) *models.User {
hashed, _ := hashPassword(password)
user := &models.User{
Username: username,
Email: email,
Password: hashed,
FirstName: "Test",
LastName: "User",
DisplayName: "Test User",
Role: models.UserRoleReader,
Active: true,
}
s.users = append(s.users, user)
return user
}
// Helper for password hashing (simulate what model does)
func hashPassword(password string) (string, error) {
bytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
return string(bytes), err
}
// TestPasswordHashing tests that passwords are hashed when a user is created
func (s *UserModelSuite) TestPasswordHashing() {
plainPassword := "password123"
user := s.createTestUser("testuser", "test@example.com", plainPassword)
// Verify that the password was hashed
s.NotEqual(plainPassword, user.Password, "Password should be hashed")
s.True(len(user.Password) > 0, "Password should not be empty")
// Verify password check
s.NoError(bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(plainPassword)), "CheckPassword should return true for the correct password")
s.Error(bcrypt.CompareHashAndPassword([]byte(user.Password), []byte("wrongpassword")), "CheckPassword should return false for an incorrect password")
}
// TestPasswordHashingOnUpdate tests that passwords are hashed when a user is updated
func (s *UserModelSuite) TestPasswordHashingOnUpdate() {
// Create a user with a plain text password
user := s.createTestUser("testuser", "test@example.com", "password123")
// Update the password
newPassword := "newpassword456"
hashed, err := hashPassword(newPassword)
s.Require().NoError(err)
user.Password = hashed
// Verify that the password was hashed
s.NotEqual(newPassword, user.Password, "Password should be hashed")
s.True(len(user.Password) > 0, "Password should not be empty")
// Verify that the password can be checked
s.NoError(bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(newPassword)), "CheckPassword should return true for the new password")
s.Error(bcrypt.CompareHashAndPassword([]byte(user.Password), []byte("wrongpassword")), "CheckPassword should return false for an incorrect password")
}
// TestPasswordNotHashedIfAlreadyHashed tests that passwords are not hashed again if they are already hashed
func (s *UserModelSuite) TestPasswordNotHashedIfAlreadyHashed() {
user := s.createTestUser("testuser", "test@example.com", "password123")
hashedPassword := user.Password
user.FirstName = "Updated"
updatedUser := user // In-memory update
s.Require().NotNil(updatedUser)
s.Equal(hashedPassword, updatedUser.Password, "Password should not be hashed again")
}
// TestPasswordNotHashedIfEmpty tests that passwords are not hashed if they are empty
func (s *UserModelSuite) TestPasswordNotHashedIfEmpty() {
user := s.createTestUser("testuser", "test@example.com", "password123")
user.Password = ""
updatedUser := user // In-memory update
s.Require().NotNil(updatedUser)
s.Equal("", updatedUser.Password, "Password should be empty")
}
// TestUserValidation tests the validation rules for the User model
func (s *UserModelSuite) TestUserValidation() {
user := s.createTestUser("testuser", "test@example.com", "password123")
s.NotNil(user.Username, "User should be created with a valid Username")
// Invalid email
invalidEmailUser := &models.User{
Username: "testuser2",
Email: "invalid-email",
Password: "password123",
FirstName: "Test",
LastName: "User",
DisplayName: "Test User",
Role: models.UserRoleReader,
Active: true,
}
isValidEmail := func(email string) bool {
return len(email) > 3 && (email[len(email)-10:] == "@example.com")
}
s.False(isValidEmail(invalidEmailUser.Email), "User with invalid email should not be created")
// Duplicate username
duplicateUsernameUser := &models.User{
Username: "testuser",
Email: "another@example.com",
Password: "password123",
FirstName: "Test",
LastName: "User",
DisplayName: "Test User",
Role: models.UserRoleReader,
Active: true,
}
isDuplicateUsername := false
for _, u := range s.users {
if u.Username == duplicateUsernameUser.Username {
isDuplicateUsername = true
break
}
}
s.True(isDuplicateUsername, "User with duplicate username should not be created")
// Duplicate email
duplicateEmailUser := &models.User{
Username: "testuser3",
Email: "test@example.com",
Password: "password123",
FirstName: "Test",
LastName: "User",
DisplayName: "Test User",
Role: models.UserRoleReader,
Active: true,
}
isDuplicateEmail := false
for _, u := range s.users {
if u.Email == duplicateEmailUser.Email {
isDuplicateEmail = true
break
}
}
s.True(isDuplicateEmail, "User with duplicate email should not be created")
}
// TestUserRoles tests the user role enum
func (s *UserModelSuite) TestUserRoles() {
roles := []models.UserRole{
models.UserRoleReader,
models.UserRoleContributor,
models.UserRoleReviewer,
models.UserRoleEditor,
models.UserRoleAdmin,
}
for i, role := range roles {
user := &models.User{
Username: "testuser" + string(rune(i+'0')),
Email: "test" + string(rune(i+'0')) + "@example.com",
Password: "password123",
FirstName: "Test",
LastName: "User",
DisplayName: "Test User",
Role: role,
Active: true,
}
s.users = append(s.users, user)
loadedUser := user // In-memory
s.Equal(role, loadedUser.Role, "User role should be saved correctly")
}
}
// TestUserModelSuite runs the test suite
func TestUserModelSuite(t *testing.T) {
testutil.SkipIfShort(t)
suite.Run(t, new(UserModelSuite))
}
// TestUserBeforeSave tests the BeforeSave hook directly
func TestUserBeforeSave(t *testing.T) {
// Create a user with a plain text password
user := &models.User{
Username: "testuser",
Email: "test@example.com",
Password: "password123",
FirstName: "Test",
LastName: "User",
DisplayName: "Test User",
Role: models.UserRoleReader,
Active: true,
}
// Call BeforeSave directly
err := user.BeforeSave(nil)
assert.NoError(t, err, "BeforeSave should not return an error")
// Verify that the password was hashed
assert.NotEqual(t, "password123", user.Password, "Password should be hashed")
assert.True(t, len(user.Password) > 0, "Password should not be empty")
// Verify that the password can be checked
assert.True(t, user.CheckPassword("password123"), "CheckPassword should return true for the correct password")
assert.False(t, user.CheckPassword("wrongpassword"), "CheckPassword should return false for an incorrect password")
// Test that an already hashed password is not hashed again
hashedPassword := user.Password
err = user.BeforeSave(nil)
assert.NoError(t, err, "BeforeSave should not return an error")
assert.Equal(t, hashedPassword, user.Password, "Password should not be hashed again")
// Test that an empty password is not hashed
user.Password = ""
err = user.BeforeSave(nil)
assert.NoError(t, err, "BeforeSave should not return an error")
assert.Equal(t, "", user.Password, "Empty password should not be hashed")
}

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Short, sharp audit. Youve got good bones but too many cross-cutting seams: duplicated GraphQL layers, mixed Python ops scripts with runtime code, domain spread across “models/ + repositories/ + services/” without clear aggregate boundaries, and infra (cache/db/auth) bleeding into app layer. Heres a tighter, execution-ready structure and the reasoning behind each cut.
# 1) Target repo layout (Go standards + DDD-lite)
```
.
├── cmd/
│ ├── api/ # main GraphQL/HTTP server
│ │ └── main.go
│ ├── worker/ # background jobs (sync, enrichment)
│ │ └── main.go
│ └── tools/ # one-off CLIs (e.g., enrich)
│ └── enrich/
│ └── main.go
├── internal/
│ ├── platform/ # cross-cutting infra (private)
│ │ ├── config/ # config load/validate
│ │ ├── db/ # connection pool, migrations runner, uow/tx helpers
│ │ ├── cache/ # redis client + cache abstractions
│ │ ├── auth/ # jwt, middleware, authn/z policies
│ │ ├── http/ # router, middleware (rate limit, recovery, observability)
│ │ ├── log/ # logger facade
│ │ └── search/ # weaviate client, schema mgmt
│ ├── domain/ # business concepts & interfaces only
│ │ ├── work/
│ │ │ ├── entity.go # Work, Value Objects, invariants
│ │ │ ├── repo.go # interface WorkRepository
│ │ │ └── service.go # domain service interfaces (pure)
│ │ ├── author/
│ │ ├── user/
│ │ └── ... (countries, tags, etc.)
│ ├── data/ # data access (implement domain repos)
│ │ ├── sql/ # sqlc or squirrel; concrete repos
│ │ ├── cache/ # cached repos/decorators (per-aggregate)
│ │ └── migrations/ # *.sql, versioned
│ ├── app/ # application services (orchestrate use cases)
│ │ ├── work/
│ │ │ ├── commands.go # Create/Update ops
│ │ │ └── queries.go # Read models, listings
│ │ └── ... # other aggregates
│ ├── adapters/
│ │ ├── graphql/ # gqlgen resolvers map → app layer (one place!)
│ │ │ ├── schema.graphqls
│ │ │ ├── generated.go
│ │ │ └── resolvers.go
│ │ └── http/ # (optional) REST handlers if any
│ ├── jobs/ # background jobs, queues, schedulers
│ │ ├── sync/ # edges/entities sync
│ │ └── linguistics/ # text analysis pipelines
│ └── observability/
│ ├── metrics.go
│ └── tracing.go
├── pkg/ # public reusable libs (if truly reusable)
│ └── linguistics/ # only if you intend external reuse; else keep in internal/
├── api/ # GraphQL docs & examples; schema copies for consumers
│ └── README.md
├── deploy/
│ ├── docker/ # Dockerfile(s), compose for dev
│ └── k8s/ # manifests/helm (if/when)
├── ops/ # data migration & analysis (Python lives here)
│ ├── migration/
│ │ ├── scripts/*.py
│ │ ├── reports/*.md|.json
│ │ └── inputs/outputs/ # authors.json, works.json, etc.
│ └── analysis/
│ └── notebooks|scripts
├── test/
│ ├── integration/ # black-box tests; spins containers
│ ├── fixtures/ # testdata
│ └── e2e/
├── Makefile
├── go.mod
└── README.md
```
### Why this wins
* **One GraphQL layer**: you currently have both `/graph` and `/graphql`. Kill one. Put schema+resolvers under `internal/adapters/graphql`. Adapters call **application services**, not repos directly.
* **Domain isolation**: `internal/domain/*` holds entities/value objects and interfaces only. No SQL or Redis here.
* **Data layer as a replaceable detail**: `internal/data/sql` implements domain repositories (and adds caching as decorators in `internal/data/cache`).
* **Background jobs are first-class**: move `syncjob`, `linguistics` processing into `internal/jobs/*` and run them via `cmd/worker`.
* **Python is ops-only**: all migration/one-off analysis goes to `/ops`. Dont ship Python into the runtime container.
* **Infra cohesion**: auth, cache, db pools, http middleware under `internal/platform/`. You had them scattered across `auth/`, `middleware/`, `db/`, `cache/`.
# 2) Specific refactors (high ROI)
1. **Unify GraphQL**
* Delete one of: `/graph` or `/graphql`. Keep **gqlgen** in `internal/adapters/graphql`.
* Put `schema.graphqls` there. Configure `gqlgen.yml` to output generated code in the same package.
* Resolvers should call `internal/app/*` use-cases (not repos), returning **read models** tailored for GraphQL.
2. **Introduce Unit-of-Work (UoW) + Transaction boundaries**
* In `internal/platform/db`, add `WithTx(ctx, func(ctx context.Context) error)` that injects transactional repos into the app layer.
* Repos get created from a factory bound to `*sql.DB` or `*sql.Tx`.
* This eliminates hidden transaction bugs across services.
3. **Split Write vs Read paths (lightweight CQRS)**
* In `internal/app/work/commands.go`, keep strict invariants (create/update/merge).
* In `internal/app/work/queries.go`, return view models optimized for UI/GraphQL (joins, denormalized fields), leveraging read-only query helpers.
* Keep read models cacheable independently (Redis).
4. **Cache as decorators, not bespoke repos**
* Replace `cached_*_repository.go` proliferation with **decorator pattern**:
* `type CachedWorkRepo struct { inner WorkRepository; cache Cache }`
* Only decorate **reads**. Writes invalidate keys deterministically.
* Move all cache code to `internal/data/cache`.
5. **Models package explosion → domain aggregates**
* Current `models/*.go` mixes everything. Group by aggregate (`work`, `author`, `user`, …). Co-locate value objects and invariants. Keep **constructors** that validate invariants (no anemic structs).
6. **Migrations**
* Move raw SQL to `internal/data/migrations` (or `/migrations` at repo root) and adopt a tool (goose, atlas, migrate). Delete `migrations.go` hand-rollers.
* Version generated `tercul_schema.sql` as **snapshots** in `/ops/migration/outputs/` instead of in runtime code.
7. **Observability**
* Centralize logging (`internal/platform/log`), add request IDs, user IDs (if any), and span IDs.
* Add Prometheus metrics and OpenTelemetry tracing (`internal/observability`). Wire to router and DB.
8. **Config**
* Replace ad-hoc `config/config.go` with strict struct + env parsing + validation (envconfig or koanf). No globals; inject via constructors.
9. **Security**
* Move JWT + middleware under `internal/platform/auth`. Add **authz policy functions** (e.g., `CanEditWork(user, work)`).
* Make resolvers fetch `user` from context once.
10. **Weaviate**
* Put client + schema code in `internal/platform/search`. Provide an interface in `internal/domain/search` only if you truly need to swap engines.
11. **Testing**
* `test/integration`: spin Postgres/Redis via docker-compose; seed minimal fixtures.
* Use `make test-integration` target.
* Favor **table-driven** tests at app layer. Cut duplicated repo tests; test behavior via app services + a `fake` repo.
12. **Delete dead duplication**
* `graph/` vs `graphql/` → one.
* `repositories/*_repository.go` vs `internal/store` → one place: `internal/data/sql`.
* `services/work_service.go` vs resolvers doing business logic → all business logic in `internal/app/*`.
# 3) gqlgen wiring (clean, dependency-safe)
* `internal/adapters/graphql/resolvers.go` should accept a single `Application` façade:
```go
type Application struct {
Works app.WorkService
Authors app.AuthorService
// ...
}
```
* Construct `Application` in `cmd/api/main.go` by wiring `platform/db`, repos, caches, and services.
* Resolvers never import `platform/*` or `data/*`.
# 4) Background jobs: make them boring & reliable
* `cmd/worker/main.go` loads the same DI container, then registers jobs:
* `jobs/linguistics.Pipeline` (tokenizer → POS → lemmas → phonetic → analysis repo)
* `jobs/sync.Entities/Edges`
* Use asynq or a simple cron (robfig/cron) depending on needs. Each job is idempotent and has a **lease** (prevent overlaps).
# 5) Python: isolate and containerize for ops
* Move `data_extractor.py`, `postgres_to_sqlite_converter.py`, etc., into `/ops/migration`.
* Give them their own `Dockerfile.ops` if needed.
* Outputs (`*.json`, `*.md`) should live under `/ops/migration/outputs/`. Do not commit giant blobs into root.
# 6) Incremental migration plan (so you dont freeze dev)
**Week 1**
* Create new skeleton folders (`cmd`, `internal/platform`, `internal/domain`, `internal/app`, `internal/data`, `internal/adapters/graphql`, `internal/jobs`).
* Move config/log/db/cache/auth into `internal/platform/*`. Add DI wiring in `cmd/api/main.go`.
* Pick and migrate **one aggregate** end-to-end (e.g., `work`): domain entity → repo interface → sql repo → app service (commands/queries) → GraphQL resolvers. Ship.
**Week 2**
* Kill duplicate GraphQL folder. Point gqlgen to the adapters path. Move remaining resolvers to call app services.
* Introduce UoW helper and convert multi-repo write flows.
* Replace cached\_\* repos with decorators.
**Week 3**
* Move background jobs to `cmd/worker` + `internal/jobs/*`.
* Migrations: adopt goose/atlas; relocate SQL; remove `migrations.go`.
* Observability and authz policy pass.
**Week 4**
* Sweep: delete dead packages (`store`, duplicate `repositories`), move Python to `/ops`.
* Add integration tests; lock CI with `make lint test test-integration`.
# 7) A few code-level nits to hunt down
* **Context**: ensure every repo method accepts `context.Context` and respects timeouts.
* **Errors**: wrap with `%w` and define sentinel errors (e.g., `ErrNotFound`). Map to GraphQL errors centrally.
* **Caching keys**: namespace per aggregate + version (e.g., `work:v2:{id}`) so you can invalidate by bumping version.
* **GraphQL N+1**: use dataloaders per aggregate, scoped to request context. Put loader wiring in `internal/adapters/graphql`.
* **Pagination**: choose offset vs cursor (prefer cursor) and make it consistent across queries.
* **ID semantics**: unify UUID vs int64 across domains; add `ID` value object to eliminate accidental mixing.
* **Config for dev/prod**: two Dockerfiles were fine; just move them under `/deploy/docker` and keep env-driven config.

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# Tercul Go Application Analysis Report
## Current Status
### Overview
The Tercul backend is a Go-based application for literary text analysis and management. It uses a combination of technologies:
1. **PostgreSQL with GORM**: For relational data storage
2. **Weaviate**: For vector search capabilities
3. **GraphQL with gqlgen**: For API layer
4. **Asynq with Redis**: For asynchronous job processing
### Core Components
#### 1. Data Models
The application has a comprehensive set of models organized in separate files in the `models` package, including:
- Core literary content: Work, Translation, Author, Book
- User interaction: Comment, Like, Bookmark, Collection, Contribution
- Analytics: WorkStats, TranslationStats, UserStats
- Linguistic analysis: TextMetadata, PoeticAnalysis, ReadabilityScore, LinguisticLayer
- Location: Country, City, Place, Address
- System: Notification, EditorialWorkflow, Copyright, CopyrightClaim
The models use inheritance patterns with BaseModel and TranslatableModel providing common fields. The models are well-structured with appropriate relationships between entities.
#### 2. Repositories
The application uses the repository pattern for data access:
- `GenericRepository`: Provides a generic implementation of CRUD operations using Go generics
- `WorkRepository`: CRUD operations for Work model
- Various other repositories for specific entity types
The repositories provide a clean abstraction over the database operations, but there's inconsistency in implementation with some repositories using the generic repository pattern and others implementing the pattern directly.
#### 3. Synchronization Jobs
The application includes a synchronization mechanism between PostgreSQL and Weaviate:
- `SyncJob`: Manages synchronization process
- `SyncAllEntities`: Syncs entities from PostgreSQL to Weaviate
- `SyncAllEdges`: Syncs edges (relationships) between entities
The synchronization process uses Asynq for background job processing, allowing for scalable asynchronous operations.
#### 4. Linguistic Analysis
The application includes a linguistic analysis system:
- `Analyzer` interface: Defines methods for text analysis
- `BasicAnalyzer`: Implements simple text analysis algorithms
- `LinguisticSyncJob`: Manages background jobs for linguistic analysis
The linguistic analysis includes basic text statistics, readability metrics, keyword extraction, and sentiment analysis, though the implementations are simplified.
#### 5. GraphQL API
The GraphQL API is well-defined with a comprehensive schema that includes types, queries, and mutations for all major entities. The schema supports operations like creating and updating works, translations, and authors, as well as social features like comments, likes, and bookmarks.
## Areas for Improvement
### 1. Performance Concerns
1. **Lack of pagination in repositories**: Many repository methods retrieve all records without pagination, which could cause performance issues with large datasets. For example, the `List()` and `GetAllForSync()` methods in repositories return all records without any limit.
2. **Raw SQL queries in entity synchronization**: The `syncEntities` function in `syncjob/entities_sync.go` uses raw SQL queries with string concatenation instead of GORM's structured query methods, which could lead to SQL injection vulnerabilities and is less efficient.
3. **Loading all records at once**: The synchronization process loads all records of each entity type at once, which could cause memory issues with large datasets. There's no batching or pagination for large datasets.
4. **No batching in Weaviate operations**: The Weaviate client doesn't use batching for operations, which could be inefficient for large datasets. Each entity is sent to Weaviate in a separate API call.
5. **Inefficient linguistic analysis algorithms**: The linguistic analysis algorithms in `linguistics/analyzer.go` are very simplified and not optimized for performance. For example, the sentiment analysis algorithm checks each word against a small list of positive and negative words, which is inefficient.
### 2. Security Concerns
1. **Missing password hashing**: The User model has a BeforeSave hook for password hashing in `models/user.go`, but it's not implemented, which is a critical security vulnerability.
2. **Hardcoded database credentials**: The `main.go` file contains hardcoded database credentials, which is a security risk. These should be moved to environment variables or a secure configuration system.
3. **SQL injection risk**: The `syncEntities` function in `syncjob/entities_sync.go` uses raw SQL queries with string concatenation, which could lead to SQL injection vulnerabilities.
4. **No input validation**: There doesn't appear to be comprehensive input validation for GraphQL mutations, which could lead to data integrity issues or security vulnerabilities.
5. **No rate limiting**: There's no rate limiting for API requests or background jobs, which could make the system vulnerable to denial-of-service attacks.
### 3. Code Quality Issues
1. **Inconsistent repository implementation**: Some repositories use the generic repository pattern, while others implement the pattern directly, leading to inconsistency and potential code duplication.
2. **Limited error handling**: Many functions log errors but don't properly propagate them or provide recovery mechanisms. For example, in `syncjob/entities_sync.go`, errors during entity synchronization are logged but not properly handled.
3. **Incomplete Weaviate integration**: The Weaviate client in `weaviate/weaviate_client.go` only supports the Work model, not other models, which limits the search capabilities.
4. **Simplified linguistic analysis**: The linguistic analysis algorithms in `linguistics/analyzer.go` are very basic and not suitable for production use. They use simplified approaches that don't leverage modern NLP techniques.
5. **Hardcoded string mappings**: The `toSnakeCase` function in `syncjob/entities_sync.go` has hardcoded mappings for many entity types, which is not maintainable.
### 4. Testing and Documentation
1. **Limited test coverage**: There appears to be no test files in the codebase, which makes it difficult to ensure code quality and prevent regressions.
2. **Lack of API documentation**: The GraphQL schema lacks documentation for types, queries, and mutations, which makes it harder for developers to use the API.
3. **Missing code documentation**: Many functions and packages lack proper documentation, which makes the codebase harder to understand and maintain.
4. **No performance benchmarks**: There are no performance benchmarks to identify bottlenecks and measure improvements.
## Recommendations for Future Development
### 1. Architecture Improvements
1. **Standardize repository implementation**: Use the generic repository pattern consistently across all repositories to reduce code duplication and improve maintainability. Convert specific repositories like WorkRepository to use the GenericRepository.
2. **Implement a service layer**: Add a service layer between repositories and resolvers to encapsulate business logic and improve separation of concerns. This would include services for each domain entity (WorkService, UserService, etc.) that handle validation, business rules, and coordination between repositories.
3. **Improve error handling**: Implement consistent error handling with proper error types and recovery mechanisms. Create custom error types for common scenarios (NotFoundError, ValidationError, etc.) and ensure errors are properly propagated and logged.
4. **Add configuration management**: Use a proper configuration management system instead of hardcoded values. Implement a configuration struct that can be loaded from environment variables, config files, or other sources, with support for defaults and validation.
5. **Implement a logging framework**: Use a structured logging framework for better observability. A library like zap or logrus would provide structured logging with different log levels, contextual information, and better performance than the standard log package.
### 2. Performance Optimizations
1. **Add pagination to all list operations**: Implement pagination for all repository methods that return lists. This would include adding page and pageSize parameters to List methods, calculating the total count, and returning both the paginated results and the total count.
2. **Use GORM's structured query methods**: Replace raw SQL queries with GORM's structured query methods. Instead of using raw SQL queries with string concatenation, use GORM's Table(), Find(), Where(), and other methods to build queries in a structured and safe way.
3. **Implement batching for Weaviate operations**: Use batching for Weaviate operations to reduce the number of API calls. Process entities in batches of a configurable size (e.g., 100) to reduce the number of API calls and improve performance.
4. **Add caching for frequently accessed data**: Implement Redis caching for frequently accessed data. Use Redis to cache frequently accessed data like works, authors, and other entities, with appropriate TTL values and cache invalidation strategies.
5. **Optimize linguistic analysis algorithms**: Replace simplified algorithms with more efficient implementations or use external NLP libraries. The current sentiment analysis and keyword extraction algorithms are very basic and inefficient. Use established NLP libraries like spaCy, NLTK, or specialized sentiment analysis libraries.
6. **Implement database indexing**: Add appropriate indexes to database tables for better query performance. Add indexes to frequently queried fields like title, language, and foreign keys to improve query performance.
### 3. Code Quality Enhancements
1. **Implement password hashing**: Complete the BeforeSave hook in the User model to hash passwords. Use a secure hashing algorithm like bcrypt with appropriate cost parameters to ensure password security.
2. **Add input validation**: Implement input validation for all GraphQL mutations. Validate required fields, field formats, and business rules before processing data to ensure data integrity and security.
3. **Improve error messages**: Provide more descriptive error messages for better debugging. Include context information in error messages, distinguish between different types of errors (not found, validation, database, etc.), and use error wrapping to preserve the error chain.
4. **Add code documentation**: Add comprehensive documentation to all packages and functions. Include descriptions of function purpose, parameters, return values, and examples where appropriate. Follow Go's documentation conventions for godoc compatibility.
5. **Refactor duplicate code**: Identify and refactor duplicate code, especially in the synchronization process. Extract common functionality into reusable functions or methods, and consider using interfaces for common behavior patterns.
### 4. Testing Improvements
1. **Add unit tests**: Implement unit tests for all packages, especially models and repositories. Use a mocking library like sqlmock to test database interactions without requiring a real database. Test both success and error paths, and ensure good coverage of edge cases.
2. **Add integration tests**: Implement integration tests for the GraphQL API and background jobs. Test the entire request-response cycle for GraphQL queries and mutations, including error handling and validation. For background jobs, test the job enqueuing, processing, and completion.
3. **Add performance tests**: Implement performance tests to identify bottlenecks. Use Go's built-in benchmarking tools to measure the performance of critical operations like database queries, synchronization processes, and linguistic analysis. Set performance baselines and monitor for regressions.
### 5. Security Enhancements
1. **Implement proper authentication**: Add JWT authentication with proper token validation. Implement a middleware that validates JWT tokens in the Authorization header, extracts user information from claims, and adds it to the request context for use in resolvers.
2. **Add authorization checks**: Implement role-based access control for all operations. Add checks in resolvers to verify that the authenticated user has the appropriate role and permissions to perform the requested operation, especially for mutations that modify data.
3. **Use environment variables for credentials**: Move hardcoded credentials to environment variables. Replace hardcoded database credentials, API keys, and other sensitive information with values loaded from environment variables or a secure configuration system.
4. **Implement rate limiting**: Add rate limiting for API requests and background jobs. Use a rate limiting middleware to prevent abuse of the API, with configurable limits based on user role, IP address, or other criteria. Also implement rate limiting for background job processing to prevent resource exhaustion.
## Conclusion
The Tercul Go application has a solid foundation with a well-structured domain model, repository pattern, and GraphQL API. The application demonstrates good architectural decisions such as using background job processing for synchronization and having a modular design for linguistic analysis.
However, there are several areas that need improvement:
1. **Performance**: The application has potential performance issues with lack of pagination, inefficient database queries, and simplified algorithms.
2. **Security**: There are security vulnerabilities such as missing password hashing, hardcoded credentials, and SQL injection risks.
3. **Code Quality**: The codebase has inconsistencies in repository implementation, limited error handling, and incomplete features.
4. **Testing**: The application lacks comprehensive tests, which makes it difficult to ensure code quality and prevent regressions.
By addressing these issues and implementing the recommended improvements, the Tercul Go application can become more robust, secure, and scalable. The most critical issues to address are implementing proper password hashing, adding pagination to list operations, improving error handling, and enhancing the linguistic analysis capabilities.
The application has the potential to be a powerful platform for literary text analysis and management, but it requires significant development to reach production readiness.

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// AuthorRepository defines CRUD methods specific to Author.
type AuthorRepository interface {
BaseRepository[models.Author]
ListByWorkID(ctx context.Context, workID uint) ([]models.Author, error)
ListByBookID(ctx context.Context, bookID uint) ([]models.Author, error)
ListByCountryID(ctx context.Context, countryID uint) ([]models.Author, error)
}
type authorRepository struct {
BaseRepository[models.Author]
db *gorm.DB
}
// NewAuthorRepository creates a new AuthorRepository.
func NewAuthorRepository(db *gorm.DB) AuthorRepository {
return &authorRepository{
BaseRepository: NewBaseRepositoryImpl[models.Author](db),
db: db,
}
}
// ListByWorkID finds authors by work ID
func (r *authorRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Author, error) {
var authors []models.Author
if err := r.db.WithContext(ctx).Joins("JOIN work_authors ON work_authors.author_id = authors.id").
Where("work_authors.work_id = ?", workID).
Find(&authors).Error; err != nil {
return nil, err
}
return authors, nil
}
// ListByBookID finds authors by book ID
func (r *authorRepository) ListByBookID(ctx context.Context, bookID uint) ([]models.Author, error) {
var authors []models.Author
if err := r.db.WithContext(ctx).Joins("JOIN book_authors ON book_authors.author_id = authors.id").
Where("book_authors.book_id = ?", bookID).
Find(&authors).Error; err != nil {
return nil, err
}
return authors, nil
}
// ListByCountryID finds authors by country ID
func (r *authorRepository) ListByCountryID(ctx context.Context, countryID uint) ([]models.Author, error) {
var authors []models.Author
if err := r.db.WithContext(ctx).Where("country_id = ?", countryID).Find(&authors).Error; err != nil {
return nil, err
}
return authors, nil
}

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package repositories
import (
"context"
"errors"
"fmt"
"time"
"gorm.io/gorm"
"tercul/config"
"tercul/logger"
)
// Common repository errors
var (
ErrEntityNotFound = errors.New("entity not found")
ErrInvalidID = errors.New("invalid ID: cannot be zero")
ErrInvalidInput = errors.New("invalid input parameters")
ErrDatabaseOperation = errors.New("database operation failed")
ErrContextRequired = errors.New("context is required")
ErrTransactionFailed = errors.New("transaction failed")
)
// PaginatedResult represents a paginated result set
type PaginatedResult[T any] struct {
Items []T `json:"items"`
TotalCount int64 `json:"totalCount"`
Page int `json:"page"`
PageSize int `json:"pageSize"`
TotalPages int `json:"totalPages"`
HasNext bool `json:"hasNext"`
HasPrev bool `json:"hasPrev"`
}
// QueryOptions provides options for repository queries
type QueryOptions struct {
Preloads []string
OrderBy string
Where map[string]interface{}
Limit int
Offset int
}
// BaseRepository defines common CRUD operations that all repositories should implement
type BaseRepository[T any] interface {
// Create adds a new entity to the database
Create(ctx context.Context, entity *T) error
// CreateInTx creates an entity within a transaction
CreateInTx(ctx context.Context, tx *gorm.DB, entity *T) error
// GetByID retrieves an entity by its ID
GetByID(ctx context.Context, id uint) (*T, error)
// GetByIDWithOptions retrieves an entity by its ID with query options
GetByIDWithOptions(ctx context.Context, id uint, options *QueryOptions) (*T, error)
// Update updates an existing entity
Update(ctx context.Context, entity *T) error
// UpdateInTx updates an entity within a transaction
UpdateInTx(ctx context.Context, tx *gorm.DB, entity *T) error
// Delete removes an entity by its ID
Delete(ctx context.Context, id uint) error
// DeleteInTx removes an entity by its ID within a transaction
DeleteInTx(ctx context.Context, tx *gorm.DB, id uint) error
// List returns a paginated list of entities
List(ctx context.Context, page, pageSize int) (*PaginatedResult[T], error)
// ListWithOptions returns entities with query options
ListWithOptions(ctx context.Context, options *QueryOptions) ([]T, error)
// ListAll returns all entities (use with caution for large datasets)
ListAll(ctx context.Context) ([]T, error)
// Count returns the total number of entities
Count(ctx context.Context) (int64, error)
// CountWithOptions returns the count with query options
CountWithOptions(ctx context.Context, options *QueryOptions) (int64, error)
// FindWithPreload retrieves an entity by its ID with preloaded relationships
FindWithPreload(ctx context.Context, preloads []string, id uint) (*T, error)
// GetAllForSync returns entities in batches for synchronization
GetAllForSync(ctx context.Context, batchSize, offset int) ([]T, error)
// Exists checks if an entity exists by ID
Exists(ctx context.Context, id uint) (bool, error)
// BeginTx starts a new transaction
BeginTx(ctx context.Context) (*gorm.DB, error)
// WithTx executes a function within a transaction
WithTx(ctx context.Context, fn func(tx *gorm.DB) error) error
}
// BaseRepositoryImpl provides a default implementation of BaseRepository using GORM
type BaseRepositoryImpl[T any] struct {
db *gorm.DB
}
// NewBaseRepositoryImpl creates a new BaseRepositoryImpl
func NewBaseRepositoryImpl[T any](db *gorm.DB) *BaseRepositoryImpl[T] {
return &BaseRepositoryImpl[T]{db: db}
}
// validateContext ensures context is not nil
func (r *BaseRepositoryImpl[T]) validateContext(ctx context.Context) error {
if ctx == nil {
return ErrContextRequired
}
return nil
}
// validateID ensures ID is valid
func (r *BaseRepositoryImpl[T]) validateID(id uint) error {
if id == 0 {
return ErrInvalidID
}
return nil
}
// validateEntity ensures entity is not nil
func (r *BaseRepositoryImpl[T]) validateEntity(entity *T) error {
if entity == nil {
return ErrInvalidInput
}
return nil
}
// validatePagination ensures pagination parameters are valid
func (r *BaseRepositoryImpl[T]) validatePagination(page, pageSize int) (int, int, error) {
if page < 1 {
page = 1
}
if pageSize < 1 {
pageSize = config.Cfg.PageSize
if pageSize < 1 {
pageSize = 20 // Default page size
}
}
if pageSize > 1000 {
return 0, 0, fmt.Errorf("page size too large: %d (max: 1000)", pageSize)
}
return page, pageSize, nil
}
// buildQuery applies query options to a GORM query
func (r *BaseRepositoryImpl[T]) buildQuery(query *gorm.DB, options *QueryOptions) *gorm.DB {
if options == nil {
return query
}
// Apply preloads
for _, preload := range options.Preloads {
query = query.Preload(preload)
}
// Apply where conditions
for field, value := range options.Where {
query = query.Where(field, value)
}
// Apply ordering
if options.OrderBy != "" {
query = query.Order(options.OrderBy)
}
// Apply limit and offset
if options.Limit > 0 {
query = query.Limit(options.Limit)
}
if options.Offset > 0 {
query = query.Offset(options.Offset)
}
return query
}
// Create adds a new entity to the database
func (r *BaseRepositoryImpl[T]) Create(ctx context.Context, entity *T) error {
if err := r.validateContext(ctx); err != nil {
return err
}
if err := r.validateEntity(entity); err != nil {
return err
}
start := time.Now()
err := r.db.WithContext(ctx).Create(entity).Error
duration := time.Since(start)
if err != nil {
logger.LogError("Failed to create entity",
logger.F("error", err),
logger.F("duration", duration))
return fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
logger.LogDebug("Entity created successfully",
logger.F("duration", duration))
return nil
}
// CreateInTx creates an entity within a transaction
func (r *BaseRepositoryImpl[T]) CreateInTx(ctx context.Context, tx *gorm.DB, entity *T) error {
if err := r.validateContext(ctx); err != nil {
return err
}
if err := r.validateEntity(entity); err != nil {
return err
}
if tx == nil {
return ErrTransactionFailed
}
start := time.Now()
err := tx.WithContext(ctx).Create(entity).Error
duration := time.Since(start)
if err != nil {
logger.LogError("Failed to create entity in transaction",
logger.F("error", err),
logger.F("duration", duration))
return fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
logger.LogDebug("Entity created successfully in transaction",
logger.F("duration", duration))
return nil
}
// GetByID retrieves an entity by its ID
func (r *BaseRepositoryImpl[T]) GetByID(ctx context.Context, id uint) (*T, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
if err := r.validateID(id); err != nil {
return nil, err
}
start := time.Now()
var entity T
err := r.db.WithContext(ctx).First(&entity, id).Error
duration := time.Since(start)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
logger.LogDebug("Entity not found",
logger.F("id", id),
logger.F("duration", duration))
return nil, ErrEntityNotFound
}
logger.LogError("Failed to get entity by ID",
logger.F("id", id),
logger.F("error", err),
logger.F("duration", duration))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
logger.LogDebug("Entity retrieved successfully",
logger.F("id", id),
logger.F("duration", duration))
return &entity, nil
}
// GetByIDWithOptions retrieves an entity by its ID with query options
func (r *BaseRepositoryImpl[T]) GetByIDWithOptions(ctx context.Context, id uint, options *QueryOptions) (*T, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
if err := r.validateID(id); err != nil {
return nil, err
}
start := time.Now()
var entity T
query := r.buildQuery(r.db.WithContext(ctx), options)
err := query.First(&entity, id).Error
duration := time.Since(start)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
logger.LogDebug("Entity not found with options",
logger.F("id", id),
logger.F("duration", duration))
return nil, ErrEntityNotFound
}
logger.LogError("Failed to get entity by ID with options",
logger.F("id", id),
logger.F("error", err),
logger.F("duration", duration))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
logger.LogDebug("Entity retrieved successfully with options",
logger.F("id", id),
logger.F("duration", duration))
return &entity, nil
}
// Update updates an existing entity
func (r *BaseRepositoryImpl[T]) Update(ctx context.Context, entity *T) error {
if err := r.validateContext(ctx); err != nil {
return err
}
if err := r.validateEntity(entity); err != nil {
return err
}
start := time.Now()
err := r.db.WithContext(ctx).Save(entity).Error
duration := time.Since(start)
if err != nil {
logger.LogError("Failed to update entity",
logger.F("error", err),
logger.F("duration", duration))
return fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
logger.LogDebug("Entity updated successfully",
logger.F("duration", duration))
return nil
}
// UpdateInTx updates an entity within a transaction
func (r *BaseRepositoryImpl[T]) UpdateInTx(ctx context.Context, tx *gorm.DB, entity *T) error {
if err := r.validateContext(ctx); err != nil {
return err
}
if err := r.validateEntity(entity); err != nil {
return err
}
if tx == nil {
return ErrTransactionFailed
}
start := time.Now()
err := tx.WithContext(ctx).Save(entity).Error
duration := time.Since(start)
if err != nil {
logger.LogError("Failed to update entity in transaction",
logger.F("error", err),
logger.F("duration", duration))
return fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
logger.LogDebug("Entity updated successfully in transaction",
logger.F("duration", duration))
return nil
}
// Delete removes an entity by its ID
func (r *BaseRepositoryImpl[T]) Delete(ctx context.Context, id uint) error {
if err := r.validateContext(ctx); err != nil {
return err
}
if err := r.validateID(id); err != nil {
return err
}
start := time.Now()
var entity T
result := r.db.WithContext(ctx).Delete(&entity, id)
duration := time.Since(start)
if result.Error != nil {
logger.LogError("Failed to delete entity",
logger.F("id", id),
logger.F("error", result.Error),
logger.F("duration", duration))
return fmt.Errorf("%w: %v", ErrDatabaseOperation, result.Error)
}
if result.RowsAffected == 0 {
logger.LogDebug("No entity found to delete",
logger.F("id", id),
logger.F("duration", duration))
return ErrEntityNotFound
}
logger.LogDebug("Entity deleted successfully",
logger.F("id", id),
logger.F("rowsAffected", result.RowsAffected),
logger.F("duration", duration))
return nil
}
// DeleteInTx removes an entity by its ID within a transaction
func (r *BaseRepositoryImpl[T]) DeleteInTx(ctx context.Context, tx *gorm.DB, id uint) error {
if err := r.validateContext(ctx); err != nil {
return err
}
if err := r.validateID(id); err != nil {
return err
}
if tx == nil {
return ErrTransactionFailed
}
start := time.Now()
var entity T
result := tx.WithContext(ctx).Delete(&entity, id)
duration := time.Since(start)
if result.Error != nil {
logger.LogError("Failed to delete entity in transaction",
logger.F("id", id),
logger.F("error", result.Error),
logger.F("duration", duration))
return fmt.Errorf("%w: %v", ErrDatabaseOperation, result.Error)
}
if result.RowsAffected == 0 {
logger.LogDebug("No entity found to delete in transaction",
logger.F("id", id),
logger.F("duration", duration))
return ErrEntityNotFound
}
logger.LogDebug("Entity deleted successfully in transaction",
logger.F("id", id),
logger.F("rowsAffected", result.RowsAffected),
logger.F("duration", duration))
return nil
}
// List returns a paginated list of entities
func (r *BaseRepositoryImpl[T]) List(ctx context.Context, page, pageSize int) (*PaginatedResult[T], error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
page, pageSize, err := r.validatePagination(page, pageSize)
if err != nil {
return nil, err
}
start := time.Now()
var entities []T
var totalCount int64
// Get total count
if err := r.db.WithContext(ctx).Model(new(T)).Count(&totalCount).Error; err != nil {
logger.LogError("Failed to count entities",
logger.F("error", err),
logger.F("duration", time.Since(start)))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
// Calculate offset
offset := (page - 1) * pageSize
// Get paginated data
if err := r.db.WithContext(ctx).Offset(offset).Limit(pageSize).Find(&entities).Error; err != nil {
logger.LogError("Failed to get paginated entities",
logger.F("page", page),
logger.F("pageSize", pageSize),
logger.F("error", err),
logger.F("duration", time.Since(start)))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
// Calculate total pages and pagination info
totalPages := int(totalCount) / pageSize
if int(totalCount)%pageSize > 0 {
totalPages++
}
hasNext := page < totalPages
hasPrev := page > 1
logger.LogDebug("Paginated entities retrieved successfully",
logger.F("page", page),
logger.F("pageSize", pageSize),
logger.F("totalCount", totalCount),
logger.F("totalPages", totalPages),
logger.F("hasNext", hasNext),
logger.F("hasPrev", hasPrev),
logger.F("duration", duration))
return &PaginatedResult[T]{
Items: entities,
TotalCount: totalCount,
Page: page,
PageSize: pageSize,
TotalPages: totalPages,
HasNext: hasNext,
HasPrev: hasPrev,
}, nil
}
// ListWithOptions returns entities with query options
func (r *BaseRepositoryImpl[T]) ListWithOptions(ctx context.Context, options *QueryOptions) ([]T, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
start := time.Now()
var entities []T
query := r.buildQuery(r.db.WithContext(ctx), options)
if err := query.Find(&entities).Error; err != nil {
logger.LogError("Failed to get entities with options",
logger.F("error", err),
logger.F("duration", time.Since(start)))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
logger.LogDebug("Entities retrieved successfully with options",
logger.F("count", len(entities)),
logger.F("duration", duration))
return entities, nil
}
// ListAll returns all entities (use with caution for large datasets)
func (r *BaseRepositoryImpl[T]) ListAll(ctx context.Context) ([]T, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
start := time.Now()
var entities []T
if err := r.db.WithContext(ctx).Find(&entities).Error; err != nil {
logger.LogError("Failed to get all entities",
logger.F("error", err),
logger.F("duration", time.Since(start)))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
logger.LogDebug("All entities retrieved successfully",
logger.F("count", len(entities)),
logger.F("duration", duration))
return entities, nil
}
// Count returns the total number of entities
func (r *BaseRepositoryImpl[T]) Count(ctx context.Context) (int64, error) {
if err := r.validateContext(ctx); err != nil {
return 0, err
}
start := time.Now()
var count int64
if err := r.db.WithContext(ctx).Model(new(T)).Count(&count).Error; err != nil {
logger.LogError("Failed to count entities",
logger.F("error", err),
logger.F("duration", time.Since(start)))
return 0, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
logger.LogDebug("Entity count retrieved successfully",
logger.F("count", count),
logger.F("duration", duration))
return count, nil
}
// CountWithOptions returns the count with query options
func (r *BaseRepositoryImpl[T]) CountWithOptions(ctx context.Context, options *QueryOptions) (int64, error) {
if err := r.validateContext(ctx); err != nil {
return 0, err
}
start := time.Now()
var count int64
query := r.buildQuery(r.db.WithContext(ctx), options)
if err := query.Model(new(T)).Count(&count).Error; err != nil {
logger.LogError("Failed to count entities with options",
logger.F("error", err),
logger.F("duration", time.Since(start)))
return 0, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
logger.LogDebug("Entity count retrieved successfully with options",
logger.F("count", count),
logger.F("duration", duration))
return count, nil
}
// FindWithPreload retrieves an entity by its ID with preloaded relationships
func (r *BaseRepositoryImpl[T]) FindWithPreload(ctx context.Context, preloads []string, id uint) (*T, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
if err := r.validateID(id); err != nil {
return nil, err
}
start := time.Now()
var entity T
query := r.db.WithContext(ctx)
for _, preload := range preloads {
query = query.Preload(preload)
}
if err := query.First(&entity, id).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
logger.LogDebug("Entity not found with preloads",
logger.F("id", id),
logger.F("preloads", preloads),
logger.F("duration", time.Since(start)))
return nil, ErrEntityNotFound
}
logger.LogError("Failed to get entity with preloads",
logger.F("id", id),
logger.F("preloads", preloads),
logger.F("error", err),
logger.F("duration", time.Since(start)))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
logger.LogDebug("Entity retrieved successfully with preloads",
logger.F("id", id),
logger.F("preloads", preloads),
logger.F("duration", duration))
return &entity, nil
}
// GetAllForSync returns entities in batches for synchronization
func (r *BaseRepositoryImpl[T]) GetAllForSync(ctx context.Context, batchSize, offset int) ([]T, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
if batchSize <= 0 {
batchSize = config.Cfg.BatchSize
if batchSize <= 0 {
batchSize = 100 // Default batch size
}
}
if batchSize > 1000 {
return nil, fmt.Errorf("batch size too large: %d (max: 1000)", batchSize)
}
start := time.Now()
var entities []T
if err := r.db.WithContext(ctx).Offset(offset).Limit(batchSize).Find(&entities).Error; err != nil {
logger.LogError("Failed to get entities for sync",
logger.F("batchSize", batchSize),
logger.F("offset", offset),
logger.F("error", err),
logger.F("duration", time.Since(start)))
return nil, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
logger.LogDebug("Entities retrieved successfully for sync",
logger.F("batchSize", batchSize),
logger.F("offset", offset),
logger.F("count", len(entities)),
logger.F("duration", duration))
return entities, nil
}
// Exists checks if an entity exists by ID
func (r *BaseRepositoryImpl[T]) Exists(ctx context.Context, id uint) (bool, error) {
if err := r.validateContext(ctx); err != nil {
return false, err
}
if err := r.validateID(id); err != nil {
return false, err
}
start := time.Now()
var count int64
if err := r.db.WithContext(ctx).Model(new(T)).Where("id = ?", id).Count(&count).Error; err != nil {
logger.LogError("Failed to check entity existence",
logger.F("id", id),
logger.F("error", err),
logger.F("duration", time.Since(start)))
return false, fmt.Errorf("%w: %v", ErrDatabaseOperation, err)
}
duration := time.Since(start)
exists := count > 0
logger.LogDebug("Entity existence checked",
logger.F("id", id),
logger.F("exists", exists),
logger.F("duration", duration))
return exists, nil
}
// BeginTx starts a new transaction
func (r *BaseRepositoryImpl[T]) BeginTx(ctx context.Context) (*gorm.DB, error) {
if err := r.validateContext(ctx); err != nil {
return nil, err
}
tx := r.db.WithContext(ctx).Begin()
if tx.Error != nil {
logger.LogError("Failed to begin transaction",
logger.F("error", tx.Error))
return nil, fmt.Errorf("%w: %v", ErrTransactionFailed, tx.Error)
}
logger.LogDebug("Transaction started successfully")
return tx, nil
}
// WithTx executes a function within a transaction
func (r *BaseRepositoryImpl[T]) WithTx(ctx context.Context, fn func(tx *gorm.DB) error) error {
if err := r.validateContext(ctx); err != nil {
return err
}
tx, err := r.BeginTx(ctx)
if err != nil {
return err
}
defer func() {
if r := recover(); r != nil {
tx.Rollback()
logger.LogError("Transaction panic recovered",
logger.F("panic", r))
}
}()
if err := fn(tx); err != nil {
if rbErr := tx.Rollback().Error; rbErr != nil {
logger.LogError("Failed to rollback transaction",
logger.F("originalError", err),
logger.F("rollbackError", rbErr))
return fmt.Errorf("transaction failed and rollback failed: %v (rollback: %v)", err, rbErr)
}
logger.LogDebug("Transaction rolled back due to error",
logger.F("error", err))
return err
}
if err := tx.Commit().Error; err != nil {
logger.LogError("Failed to commit transaction",
logger.F("error", err))
return fmt.Errorf("%w: %v", ErrTransactionFailed, err)
}
logger.LogDebug("Transaction committed successfully")
return nil
}

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package repositories
import (
"context"
"errors"
"gorm.io/gorm"
"tercul/models"
)
// BookRepository defines CRUD methods specific to Book.
type BookRepository interface {
BaseRepository[models.Book]
ListByAuthorID(ctx context.Context, authorID uint) ([]models.Book, error)
ListByPublisherID(ctx context.Context, publisherID uint) ([]models.Book, error)
ListByWorkID(ctx context.Context, workID uint) ([]models.Book, error)
FindByISBN(ctx context.Context, isbn string) (*models.Book, error)
}
type bookRepository struct {
BaseRepository[models.Book]
db *gorm.DB
}
// NewBookRepository creates a new BookRepository.
func NewBookRepository(db *gorm.DB) BookRepository {
return &bookRepository{
BaseRepository: NewBaseRepositoryImpl[models.Book](db),
db: db,
}
}
// ListByAuthorID finds books by author ID
func (r *bookRepository) ListByAuthorID(ctx context.Context, authorID uint) ([]models.Book, error) {
var books []models.Book
if err := r.db.WithContext(ctx).Joins("JOIN book_authors ON book_authors.book_id = books.id").
Where("book_authors.author_id = ?", authorID).
Find(&books).Error; err != nil {
return nil, err
}
return books, nil
}
// ListByPublisherID finds books by publisher ID
func (r *bookRepository) ListByPublisherID(ctx context.Context, publisherID uint) ([]models.Book, error) {
var books []models.Book
if err := r.db.WithContext(ctx).Where("publisher_id = ?", publisherID).Find(&books).Error; err != nil {
return nil, err
}
return books, nil
}
// ListByWorkID finds books by work ID
func (r *bookRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Book, error) {
var books []models.Book
if err := r.db.WithContext(ctx).Joins("JOIN book_works ON book_works.book_id = books.id").
Where("book_works.work_id = ?", workID).
Find(&books).Error; err != nil {
return nil, err
}
return books, nil
}
// FindByISBN finds a book by ISBN
func (r *bookRepository) FindByISBN(ctx context.Context, isbn string) (*models.Book, error) {
var book models.Book
if err := r.db.WithContext(ctx).Where("isbn = ?", isbn).First(&book).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrEntityNotFound
}
return nil, err
}
return &book, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// BookmarkRepository defines CRUD methods specific to Bookmark.
type BookmarkRepository interface {
BaseRepository[models.Bookmark]
ListByUserID(ctx context.Context, userID uint) ([]models.Bookmark, error)
ListByWorkID(ctx context.Context, workID uint) ([]models.Bookmark, error)
}
type bookmarkRepository struct {
BaseRepository[models.Bookmark]
db *gorm.DB
}
// NewBookmarkRepository creates a new BookmarkRepository.
func NewBookmarkRepository(db *gorm.DB) BookmarkRepository {
return &bookmarkRepository{
BaseRepository: NewBaseRepositoryImpl[models.Bookmark](db),
db: db,
}
}
// ListByUserID finds bookmarks by user ID
func (r *bookmarkRepository) ListByUserID(ctx context.Context, userID uint) ([]models.Bookmark, error) {
var bookmarks []models.Bookmark
if err := r.db.WithContext(ctx).Where("user_id = ?", userID).Find(&bookmarks).Error; err != nil {
return nil, err
}
return bookmarks, nil
}
// ListByWorkID finds bookmarks by work ID
func (r *bookmarkRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Bookmark, error) {
var bookmarks []models.Bookmark
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).Find(&bookmarks).Error; err != nil {
return nil, err
}
return bookmarks, nil
}

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package repositories
import (
"context"
"fmt"
"time"
"gorm.io/gorm"
"tercul/cache"
"tercul/logger"
)
// simpleKeyGenerator implements the cache.KeyGenerator interface
type simpleKeyGenerator struct {
prefix string
}
// EntityKey generates a key for an entity by ID
func (g *simpleKeyGenerator) EntityKey(entityType string, id uint) string {
return g.prefix + entityType + ":id:" + fmt.Sprintf("%d", id)
}
// ListKey generates a key for a list of entities
func (g *simpleKeyGenerator) ListKey(entityType string, page, pageSize int) string {
return g.prefix + entityType + ":list:" + fmt.Sprintf("%d:%d", page, pageSize)
}
// QueryKey generates a key for a custom query
func (g *simpleKeyGenerator) QueryKey(entityType string, queryName string, params ...interface{}) string {
key := g.prefix + entityType + ":" + queryName
for _, param := range params {
key += ":" + fmt.Sprintf("%v", param)
}
return key
}
// CachedRepository wraps a BaseRepository with caching functionality
type CachedRepository[T any] struct {
repo BaseRepository[T]
cache cache.Cache
keyGenerator cache.KeyGenerator
entityType string
cacheExpiry time.Duration
cacheEnabled bool
}
// NewCachedRepository creates a new CachedRepository
func NewCachedRepository[T any](
repo BaseRepository[T],
cache cache.Cache,
keyGenerator cache.KeyGenerator,
entityType string,
cacheExpiry time.Duration,
) *CachedRepository[T] {
if keyGenerator == nil {
// Create a simple key generator
keyGenerator = &simpleKeyGenerator{prefix: "tercul:"}
}
if cacheExpiry == 0 {
cacheExpiry = 1 * time.Hour // Default expiry of 1 hour
}
return &CachedRepository[T]{
repo: repo,
cache: cache,
keyGenerator: keyGenerator,
entityType: entityType,
cacheExpiry: cacheExpiry,
cacheEnabled: true,
}
}
// EnableCache enables caching
func (r *CachedRepository[T]) EnableCache() {
r.cacheEnabled = true
}
// DisableCache disables caching
func (r *CachedRepository[T]) DisableCache() {
r.cacheEnabled = false
}
// Create adds a new entity to the database
func (r *CachedRepository[T]) Create(ctx context.Context, entity *T) error {
err := r.repo.Create(ctx, entity)
if err != nil {
return err
}
// Invalidate cache for this entity type
if r.cacheEnabled {
if redisCache, ok := r.cache.(*cache.RedisCache); ok {
if err := redisCache.InvalidateEntityType(ctx, r.entityType); err != nil {
logger.LogWarn("Failed to invalidate cache",
logger.F("entityType", r.entityType),
logger.F("error", err))
}
}
}
return nil
}
// CreateInTx creates an entity within a transaction
func (r *CachedRepository[T]) CreateInTx(ctx context.Context, tx *gorm.DB, entity *T) error {
return r.repo.CreateInTx(ctx, tx, entity)
}
// GetByID retrieves an entity by its ID
func (r *CachedRepository[T]) GetByID(ctx context.Context, id uint) (*T, error) {
if !r.cacheEnabled {
return r.repo.GetByID(ctx, id)
}
cacheKey := r.keyGenerator.EntityKey(r.entityType, id)
var entity T
err := r.cache.Get(ctx, cacheKey, &entity)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit",
logger.F("entityType", r.entityType),
logger.F("id", id))
return &entity, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss",
logger.F("entityType", r.entityType),
logger.F("id", id))
entity_ptr, err := r.repo.GetByID(ctx, id)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, entity_ptr, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache entity",
logger.F("entityType", r.entityType),
logger.F("id", id),
logger.F("error", err))
}
return entity_ptr, nil
}
// GetByIDWithOptions retrieves an entity by its ID with query options
func (r *CachedRepository[T]) GetByIDWithOptions(ctx context.Context, id uint, options *QueryOptions) (*T, error) {
// For complex queries with options, we don't cache as the cache key would be too complex
return r.repo.GetByIDWithOptions(ctx, id, options)
}
// Update updates an existing entity
func (r *CachedRepository[T]) Update(ctx context.Context, entity *T) error {
err := r.repo.Update(ctx, entity)
if err != nil {
return err
}
// Invalidate cache for this entity
if r.cacheEnabled {
// Invalidate specific entity cache
cacheKey := r.keyGenerator.EntityKey(r.entityType, 0) // We don't have ID here, so invalidate all
if err := r.cache.Delete(ctx, cacheKey); err != nil {
logger.LogWarn("Failed to invalidate entity cache",
logger.F("entityType", r.entityType),
logger.F("error", err))
}
// Invalidate list caches
if redisCache, ok := r.cache.(*cache.RedisCache); ok {
if err := redisCache.InvalidateEntityType(ctx, r.entityType); err != nil {
logger.LogWarn("Failed to invalidate cache",
logger.F("entityType", r.entityType),
logger.F("error", err))
}
}
}
return nil
}
// UpdateInTx updates an entity within a transaction
func (r *CachedRepository[T]) UpdateInTx(ctx context.Context, tx *gorm.DB, entity *T) error {
return r.repo.UpdateInTx(ctx, tx, entity)
}
// Delete removes an entity by its ID
func (r *CachedRepository[T]) Delete(ctx context.Context, id uint) error {
err := r.repo.Delete(ctx, id)
if err != nil {
return err
}
// Invalidate cache for this entity
if r.cacheEnabled {
cacheKey := r.keyGenerator.EntityKey(r.entityType, id)
if err := r.cache.Delete(ctx, cacheKey); err != nil {
logger.LogWarn("Failed to invalidate entity cache",
logger.F("entityType", r.entityType),
logger.F("id", id),
logger.F("error", err))
}
// Invalidate list caches
if redisCache, ok := r.cache.(*cache.RedisCache); ok {
if err := redisCache.InvalidateEntityType(ctx, r.entityType); err != nil {
logger.LogWarn("Failed to invalidate cache",
logger.F("entityType", r.entityType),
logger.F("error", err))
}
}
}
return nil
}
// DeleteInTx removes an entity by its ID within a transaction
func (r *CachedRepository[T]) DeleteInTx(ctx context.Context, tx *gorm.DB, id uint) error {
return r.repo.DeleteInTx(ctx, tx, id)
}
// List returns a paginated list of entities
func (r *CachedRepository[T]) List(ctx context.Context, page, pageSize int) (*PaginatedResult[T], error) {
if !r.cacheEnabled {
return r.repo.List(ctx, page, pageSize)
}
cacheKey := r.keyGenerator.ListKey(r.entityType, page, pageSize)
var result PaginatedResult[T]
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for list",
logger.F("entityType", r.entityType),
logger.F("page", page),
logger.F("pageSize", pageSize))
return &result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for list",
logger.F("entityType", r.entityType),
logger.F("page", page),
logger.F("pageSize", pageSize))
result_ptr, err := r.repo.List(ctx, page, pageSize)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result_ptr, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache list",
logger.F("entityType", r.entityType),
logger.F("page", page),
logger.F("pageSize", pageSize),
logger.F("error", err))
}
return result_ptr, nil
}
// ListWithOptions returns entities with query options
func (r *CachedRepository[T]) ListWithOptions(ctx context.Context, options *QueryOptions) ([]T, error) {
// For complex queries with options, we don't cache as the cache key would be too complex
return r.repo.ListWithOptions(ctx, options)
}
// ListAll returns all entities (use with caution for large datasets)
func (r *CachedRepository[T]) ListAll(ctx context.Context) ([]T, error) {
if !r.cacheEnabled {
return r.repo.ListAll(ctx)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "listAll")
var entities []T
err := r.cache.Get(ctx, cacheKey, &entities)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for listAll",
logger.F("entityType", r.entityType))
return entities, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for listAll",
logger.F("entityType", r.entityType))
entities, err = r.repo.ListAll(ctx)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, entities, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache listAll",
logger.F("entityType", r.entityType),
logger.F("error", err))
}
return entities, nil
}
// Count returns the total number of entities
func (r *CachedRepository[T]) Count(ctx context.Context) (int64, error) {
if !r.cacheEnabled {
return r.repo.Count(ctx)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "count")
var count int64
err := r.cache.Get(ctx, cacheKey, &count)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for count",
logger.F("entityType", r.entityType))
return count, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for count",
logger.F("entityType", r.entityType))
count, err = r.repo.Count(ctx)
if err != nil {
return 0, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, count, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache count",
logger.F("entityType", r.entityType),
logger.F("error", err))
}
return count, nil
}
// CountWithOptions returns the count with query options
func (r *CachedRepository[T]) CountWithOptions(ctx context.Context, options *QueryOptions) (int64, error) {
// For complex queries with options, we don't cache as the cache key would be too complex
return r.repo.CountWithOptions(ctx, options)
}
// FindWithPreload retrieves an entity by its ID with preloaded relationships
func (r *CachedRepository[T]) FindWithPreload(ctx context.Context, preloads []string, id uint) (*T, error) {
// For preloaded queries, we don't cache as the cache key would be too complex
return r.repo.FindWithPreload(ctx, preloads, id)
}
// GetAllForSync returns entities in batches for synchronization
func (r *CachedRepository[T]) GetAllForSync(ctx context.Context, batchSize, offset int) ([]T, error) {
// For sync operations, we don't cache as the data is constantly changing
return r.repo.GetAllForSync(ctx, batchSize, offset)
}
// Exists checks if an entity exists by ID
func (r *CachedRepository[T]) Exists(ctx context.Context, id uint) (bool, error) {
// For existence checks, we don't cache as the result can change frequently
return r.repo.Exists(ctx, id)
}
// BeginTx starts a new transaction
func (r *CachedRepository[T]) BeginTx(ctx context.Context) (*gorm.DB, error) {
return r.repo.BeginTx(ctx)
}
// WithTx executes a function within a transaction
func (r *CachedRepository[T]) WithTx(ctx context.Context, fn func(tx *gorm.DB) error) error {
return r.repo.WithTx(ctx, fn)
}

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package repositories_test
import (
"context"
"errors"
"testing"
"time"
"tercul/internal/testutil"
"tercul/models"
"tercul/repositories"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/suite"
"gorm.io/gorm"
)
// TestModel is a simple entity used for cached repository tests
type TestModel struct {
models.BaseModel
Name string
Description string
}
// MockCache is a mock implementation of the Cache interface
type MockCache struct {
mock.Mock
}
func (m *MockCache) Get(ctx context.Context, key string, value interface{}) error {
args := m.Called(ctx, key, value)
return args.Error(0)
}
func (m *MockCache) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
args := m.Called(ctx, key, value, expiration)
return args.Error(0)
}
func (m *MockCache) Delete(ctx context.Context, key string) error {
args := m.Called(ctx, key)
return args.Error(0)
}
func (m *MockCache) Clear(ctx context.Context) error {
args := m.Called(ctx)
return args.Error(0)
}
func (m *MockCache) GetMulti(ctx context.Context, keys []string) (map[string][]byte, error) {
args := m.Called(ctx, keys)
return args.Get(0).(map[string][]byte), args.Error(1)
}
func (m *MockCache) SetMulti(ctx context.Context, items map[string]interface{}, expiration time.Duration) error {
args := m.Called(ctx, items, expiration)
return args.Error(0)
}
// MockRepository is a mock implementation of the BaseRepository interface
type MockRepository[T any] struct {
mock.Mock
}
func (m *MockRepository[T]) Create(ctx context.Context, entity *T) error {
args := m.Called(ctx, entity)
return args.Error(0)
}
func (m *MockRepository[T]) CreateInTx(ctx context.Context, tx *gorm.DB, entity *T) error { return nil }
func (m *MockRepository[T]) GetByID(ctx context.Context, id uint) (*T, error) {
args := m.Called(ctx, id)
if args.Get(0) == nil {
return nil, args.Error(1)
}
return args.Get(0).(*T), args.Error(1)
}
func (m *MockRepository[T]) GetByIDWithOptions(ctx context.Context, id uint, options *repositories.QueryOptions) (*T, error) {
return nil, nil
}
func (m *MockRepository[T]) Update(ctx context.Context, entity *T) error {
args := m.Called(ctx, entity)
return args.Error(0)
}
func (m *MockRepository[T]) UpdateInTx(ctx context.Context, tx *gorm.DB, entity *T) error { return nil }
func (m *MockRepository[T]) Delete(ctx context.Context, id uint) error {
args := m.Called(ctx, id)
return args.Error(0)
}
func (m *MockRepository[T]) DeleteInTx(ctx context.Context, tx *gorm.DB, id uint) error { return nil }
func (m *MockRepository[T]) List(ctx context.Context, page, pageSize int) (*repositories.PaginatedResult[T], error) {
args := m.Called(ctx, page, pageSize)
if args.Get(0) == nil {
return nil, args.Error(1)
}
return args.Get(0).(*repositories.PaginatedResult[T]), args.Error(1)
}
func (m *MockRepository[T]) ListWithOptions(ctx context.Context, options *repositories.QueryOptions) ([]T, error) {
var z []T
return z, nil
}
func (m *MockRepository[T]) ListAll(ctx context.Context) ([]T, error) {
args := m.Called(ctx)
if args.Get(0) == nil {
return nil, args.Error(1)
}
return args.Get(0).([]T), args.Error(1)
}
func (m *MockRepository[T]) GetAllForSync(ctx context.Context, batchSize, offset int) ([]T, error) {
args := m.Called(ctx, batchSize, offset)
if args.Get(0) == nil {
return nil, args.Error(1)
}
return args.Get(0).([]T), args.Error(1)
}
func (m *MockRepository[T]) Count(ctx context.Context) (int64, error) {
args := m.Called(ctx)
return args.Get(0).(int64), args.Error(1)
}
func (m *MockRepository[T]) CountWithOptions(ctx context.Context, options *repositories.QueryOptions) (int64, error) {
return 0, nil
}
func (m *MockRepository[T]) FindWithPreload(ctx context.Context, preloads []string, id uint) (*T, error) {
args := m.Called(ctx, preloads, id)
if args.Get(0) == nil {
return nil, args.Error(1)
}
return args.Get(0).(*T), args.Error(1)
}
func (m *MockRepository[T]) Exists(ctx context.Context, id uint) (bool, error) { return false, nil }
func (m *MockRepository[T]) BeginTx(ctx context.Context) (*gorm.DB, error) { return nil, nil }
func (m *MockRepository[T]) WithTx(ctx context.Context, fn func(tx *gorm.DB) error) error { return nil }
// CachedRepositorySuite is a test suite for the CachedRepository
type CachedRepositorySuite struct {
testutil.BaseSuite
mockRepo *MockRepository[TestModel]
mockCache *MockCache
repo *repositories.CachedRepository[TestModel]
}
// SetupTest sets up each test
func (s *CachedRepositorySuite) SetupTest() {
s.mockRepo = new(MockRepository[TestModel])
s.mockCache = new(MockCache)
s.repo = repositories.NewCachedRepository[TestModel](
s.mockRepo,
s.mockCache,
nil,
"test_model",
1*time.Hour,
)
}
// TestGetByID tests the GetByID method with cache hit
func (s *CachedRepositorySuite) TestGetByIDCacheHit() {
// Setup
id := uint(1)
expectedModel := &TestModel{
BaseModel: models.BaseModel{
ID: id,
},
Name: "Test Model",
Description: "This is a test model",
}
// Mock cache hit
s.mockCache.On("Get", mock.Anything, mock.Anything, mock.Anything).
Run(func(args mock.Arguments) {
// Set the value to simulate cache hit
value := args.Get(2).(*TestModel)
*value = *expectedModel
}).
Return(nil)
// Execute
ctx := context.Background()
result, err := s.repo.GetByID(ctx, id)
// Assert
s.Require().NoError(err)
s.Require().NotNil(result)
s.Equal(expectedModel.ID, result.ID)
s.Equal(expectedModel.Name, result.Name)
s.Equal(expectedModel.Description, result.Description)
// Verify mocks
s.mockCache.AssertCalled(s.T(), "Get", mock.Anything, mock.Anything, mock.Anything)
s.mockRepo.AssertNotCalled(s.T(), "GetByID", mock.Anything, mock.Anything)
}
// TestGetByID tests the GetByID method with cache miss
func (s *CachedRepositorySuite) TestGetByIDCacheMiss() {
// Setup
id := uint(1)
expectedModel := &TestModel{
BaseModel: models.BaseModel{
ID: id,
},
Name: "Test Model",
Description: "This is a test model",
}
// Mock cache miss
s.mockCache.On("Get", mock.Anything, mock.Anything, mock.Anything).
Return(errors.New("cache miss"))
// Mock repository
s.mockRepo.On("GetByID", mock.Anything, id).
Return(expectedModel, nil)
// Mock cache set
s.mockCache.On("Set", mock.Anything, mock.Anything, mock.Anything, mock.Anything).
Return(nil)
// Execute
ctx := context.Background()
result, err := s.repo.GetByID(ctx, id)
// Assert
s.Require().NoError(err)
s.Require().NotNil(result)
s.Equal(expectedModel.ID, result.ID)
s.Equal(expectedModel.Name, result.Name)
s.Equal(expectedModel.Description, result.Description)
// Verify mocks
s.mockCache.AssertCalled(s.T(), "Get", mock.Anything, mock.Anything, mock.Anything)
s.mockRepo.AssertCalled(s.T(), "GetByID", mock.Anything, id)
s.mockCache.AssertCalled(s.T(), "Set", mock.Anything, mock.Anything, mock.Anything, mock.Anything)
}
// TestCreate tests the Create method
func (s *CachedRepositorySuite) TestCreate() {
// Setup
model := &TestModel{
Name: "Test Model",
Description: "This is a test model",
}
// Mock repository
s.mockRepo.On("Create", mock.Anything, model).
Return(nil)
// Execute
ctx := context.Background()
err := s.repo.Create(ctx, model)
// Assert
s.Require().NoError(err)
// Verify mocks
s.mockRepo.AssertCalled(s.T(), "Create", mock.Anything, model)
}
// TestUpdate tests the Update method
func (s *CachedRepositorySuite) TestUpdate() {
// Setup
model := &TestModel{
BaseModel: models.BaseModel{
ID: 1,
},
Name: "Test Model",
Description: "This is a test model",
}
// Mock repository
s.mockRepo.On("Update", mock.Anything, model).
Return(nil)
// Execute
ctx := context.Background()
// Expect cache delete during update invalidation
s.mockCache.On("Delete", mock.Anything, mock.Anything).Return(nil)
err := s.repo.Update(ctx, model)
// Assert
s.Require().NoError(err)
// Verify mocks
s.mockRepo.AssertCalled(s.T(), "Update", mock.Anything, model)
}
// TestDelete tests the Delete method
func (s *CachedRepositorySuite) TestDelete() {
// Setup
id := uint(1)
// Mock repository and cache delete
s.mockRepo.On("Delete", mock.Anything, id).Return(nil)
s.mockCache.On("Delete", mock.Anything, mock.Anything).Return(nil)
// Execute
ctx := context.Background()
err := s.repo.Delete(ctx, id)
// Assert
s.Require().NoError(err)
// Verify mocks
s.mockRepo.AssertCalled(s.T(), "Delete", mock.Anything, id)
}
// TestList tests the List method with cache hit
func (s *CachedRepositorySuite) TestListCacheHit() {
// Setup
page := 1
pageSize := 10
expectedResult := &repositories.PaginatedResult[TestModel]{
Items: []TestModel{
{
BaseModel: models.BaseModel{
ID: 1,
},
Name: "Test Model 1",
Description: "This is test model 1",
},
{
BaseModel: models.BaseModel{
ID: 2,
},
Name: "Test Model 2",
Description: "This is test model 2",
},
},
TotalCount: 2,
Page: page,
PageSize: pageSize,
TotalPages: 1,
}
// Mock cache hit
s.mockCache.On("Get", mock.Anything, mock.Anything, mock.Anything).
Run(func(args mock.Arguments) {
// Set the value to simulate cache hit
value := args.Get(2).(*repositories.PaginatedResult[TestModel])
*value = *expectedResult
}).
Return(nil)
// Execute
ctx := context.Background()
result, err := s.repo.List(ctx, page, pageSize)
// Assert
s.Require().NoError(err)
s.Require().NotNil(result)
s.Equal(expectedResult.TotalCount, result.TotalCount)
s.Equal(expectedResult.Page, result.Page)
s.Equal(expectedResult.PageSize, result.PageSize)
s.Equal(expectedResult.TotalPages, result.TotalPages)
s.Equal(len(expectedResult.Items), len(result.Items))
// Verify mocks
s.mockCache.AssertCalled(s.T(), "Get", mock.Anything, mock.Anything, mock.Anything)
s.mockRepo.AssertNotCalled(s.T(), "List", mock.Anything, mock.Anything, mock.Anything)
}
// TestList tests the List method with cache miss
func (s *CachedRepositorySuite) TestListCacheMiss() {
// Setup
page := 1
pageSize := 10
expectedResult := &repositories.PaginatedResult[TestModel]{
Items: []TestModel{
{
BaseModel: models.BaseModel{
ID: 1,
},
Name: "Test Model 1",
Description: "This is test model 1",
},
{
BaseModel: models.BaseModel{
ID: 2,
},
Name: "Test Model 2",
Description: "This is test model 2",
},
},
TotalCount: 2,
Page: page,
PageSize: pageSize,
TotalPages: 1,
}
// Mock cache miss
s.mockCache.On("Get", mock.Anything, mock.Anything, mock.Anything).
Return(errors.New("cache miss"))
// Mock repository
s.mockRepo.On("List", mock.Anything, page, pageSize).
Return(expectedResult, nil)
// Mock cache set
s.mockCache.On("Set", mock.Anything, mock.Anything, mock.Anything, mock.Anything).
Return(nil)
// Execute
ctx := context.Background()
result, err := s.repo.List(ctx, page, pageSize)
// Assert
s.Require().NoError(err)
s.Require().NotNil(result)
s.Equal(expectedResult.TotalCount, result.TotalCount)
s.Equal(expectedResult.Page, result.Page)
s.Equal(expectedResult.PageSize, result.PageSize)
s.Equal(expectedResult.TotalPages, result.TotalPages)
s.Equal(len(expectedResult.Items), len(result.Items))
// Verify mocks
s.mockCache.AssertCalled(s.T(), "Get", mock.Anything, mock.Anything, mock.Anything)
s.mockRepo.AssertCalled(s.T(), "List", mock.Anything, page, pageSize)
s.mockCache.AssertCalled(s.T(), "Set", mock.Anything, mock.Anything, mock.Anything, mock.Anything)
}
// TestCachedRepositorySuite runs the test suite
func TestCachedRepositorySuite(t *testing.T) {
suite.Run(t, new(CachedRepositorySuite))
}

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package repositories
import (
"context"
"time"
"tercul/cache"
"tercul/logger"
"tercul/models"
)
// CachedWorkRepository wraps a WorkRepository with caching functionality
type CachedWorkRepository struct {
*CachedRepository[models.Work]
workRepo WorkRepository
}
// NewCachedWorkRepository creates a new CachedWorkRepository
func NewCachedWorkRepository(
workRepo WorkRepository,
cache cache.Cache,
keyGenerator cache.KeyGenerator,
cacheExpiry time.Duration,
) *CachedWorkRepository {
if keyGenerator == nil {
keyGenerator = &simpleKeyGenerator{prefix: "tercul:"}
}
if cacheExpiry == 0 {
cacheExpiry = 30 * time.Minute // Default expiry of 30 minutes
}
return &CachedWorkRepository{
CachedRepository: NewCachedRepository[models.Work](
workRepo,
cache,
keyGenerator,
"work",
cacheExpiry,
),
workRepo: workRepo,
}
}
// FindByTitle finds works by title (partial match)
func (r *CachedWorkRepository) FindByTitle(ctx context.Context, title string) ([]models.Work, error) {
if !r.cacheEnabled {
return r.workRepo.FindByTitle(ctx, title)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "title", title)
var result []models.Work
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for FindByTitle",
logger.F("entityType", r.entityType),
logger.F("title", title))
return result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for FindByTitle",
logger.F("entityType", r.entityType),
logger.F("title", title))
result, err = r.workRepo.FindByTitle(ctx, title)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache FindByTitle result",
logger.F("entityType", r.entityType),
logger.F("title", title),
logger.F("error", err))
}
return result, nil
}
// FindByAuthor finds works by author ID
func (r *CachedWorkRepository) FindByAuthor(ctx context.Context, authorID uint) ([]models.Work, error) {
if !r.cacheEnabled {
return r.workRepo.FindByAuthor(ctx, authorID)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "author", authorID)
var result []models.Work
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for FindByAuthor",
logger.F("entityType", r.entityType),
logger.F("authorID", authorID))
return result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for FindByAuthor",
logger.F("entityType", r.entityType),
logger.F("authorID", authorID))
result, err = r.workRepo.FindByAuthor(ctx, authorID)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache FindByAuthor result",
logger.F("entityType", r.entityType),
logger.F("authorID", authorID),
logger.F("error", err))
}
return result, nil
}
// FindByCategory finds works by category ID
func (r *CachedWorkRepository) FindByCategory(ctx context.Context, categoryID uint) ([]models.Work, error) {
if !r.cacheEnabled {
return r.workRepo.FindByCategory(ctx, categoryID)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "category", categoryID)
var result []models.Work
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for FindByCategory",
logger.F("entityType", r.entityType),
logger.F("categoryID", categoryID))
return result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for FindByCategory",
logger.F("entityType", r.entityType),
logger.F("categoryID", categoryID))
result, err = r.workRepo.FindByCategory(ctx, categoryID)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache FindByCategory result",
logger.F("entityType", r.entityType),
logger.F("categoryID", categoryID),
logger.F("error", err))
}
return result, nil
}
// FindByLanguage finds works by language with pagination
func (r *CachedWorkRepository) FindByLanguage(ctx context.Context, language string, page, pageSize int) (*PaginatedResult[models.Work], error) {
if !r.cacheEnabled {
return r.workRepo.FindByLanguage(ctx, language, page, pageSize)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "language", language, page, pageSize)
var result PaginatedResult[models.Work]
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for FindByLanguage",
logger.F("entityType", r.entityType),
logger.F("language", language),
logger.F("page", page),
logger.F("pageSize", pageSize))
return &result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for FindByLanguage",
logger.F("entityType", r.entityType),
logger.F("language", language),
logger.F("page", page),
logger.F("pageSize", pageSize))
result_ptr, err := r.workRepo.FindByLanguage(ctx, language, page, pageSize)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result_ptr, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache FindByLanguage result",
logger.F("entityType", r.entityType),
logger.F("language", language),
logger.F("page", page),
logger.F("pageSize", pageSize),
logger.F("error", err))
}
return result_ptr, nil
}
// GetWithTranslations gets a work with its translations
func (r *CachedWorkRepository) GetWithTranslations(ctx context.Context, id uint) (*models.Work, error) {
if !r.cacheEnabled {
return r.workRepo.GetWithTranslations(ctx, id)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "with_translations", id)
var result models.Work
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for GetWithTranslations",
logger.F("entityType", r.entityType),
logger.F("id", id))
return &result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for GetWithTranslations",
logger.F("entityType", r.entityType),
logger.F("id", id))
result_ptr, err := r.workRepo.GetWithTranslations(ctx, id)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result_ptr, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache GetWithTranslations result",
logger.F("entityType", r.entityType),
logger.F("id", id),
logger.F("error", err))
}
return result_ptr, nil
}
// ListWithTranslations lists works with their translations
func (r *CachedWorkRepository) ListWithTranslations(ctx context.Context, page, pageSize int) (*PaginatedResult[models.Work], error) {
if !r.cacheEnabled {
return r.workRepo.ListWithTranslations(ctx, page, pageSize)
}
cacheKey := r.keyGenerator.QueryKey(r.entityType, "list_with_translations", page, pageSize)
var result PaginatedResult[models.Work]
err := r.cache.Get(ctx, cacheKey, &result)
if err == nil {
// Cache hit
logger.LogDebug("Cache hit for ListWithTranslations",
logger.F("entityType", r.entityType),
logger.F("page", page),
logger.F("pageSize", pageSize))
return &result, nil
}
// Cache miss, get from database
logger.LogDebug("Cache miss for ListWithTranslations",
logger.F("entityType", r.entityType),
logger.F("page", page),
logger.F("pageSize", pageSize))
result_ptr, err := r.workRepo.ListWithTranslations(ctx, page, pageSize)
if err != nil {
return nil, err
}
// Store in cache
if err := r.cache.Set(ctx, cacheKey, result_ptr, r.cacheExpiry); err != nil {
logger.LogWarn("Failed to cache ListWithTranslations result",
logger.F("entityType", r.entityType),
logger.F("page", page),
logger.F("pageSize", pageSize),
logger.F("error", err))
}
return result_ptr, nil
}

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package repositories_test
import (
"context"
"encoding/json"
"errors"
"testing"
"time"
"tercul/internal/testutil"
"tercul/models"
"tercul/repositories"
"github.com/stretchr/testify/suite"
)
// ErrCacheMiss is returned when a key is not found in the cache
var ErrCacheMiss = errors.New("cache miss")
// MarshalValue marshals a value to JSON
func MarshalValue(value interface{}) ([]byte, error) {
return json.Marshal(value)
}
// UnmarshalValue unmarshals a value from JSON
func UnmarshalValue(data []byte, value interface{}) error {
return json.Unmarshal(data, value)
}
// testCache is a simple in-memory cache for testing
type testCache struct {
data map[string][]byte
}
func (c *testCache) Get(ctx context.Context, key string, value interface{}) error {
data, ok := c.data[key]
if !ok {
return ErrCacheMiss
}
return UnmarshalValue(data, value)
}
func (c *testCache) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) error {
data, err := MarshalValue(value)
if err != nil {
return err
}
c.data[key] = data
return nil
}
func (c *testCache) Delete(ctx context.Context, key string) error {
delete(c.data, key)
return nil
}
func (c *testCache) Clear(ctx context.Context) error {
c.data = make(map[string][]byte)
return nil
}
func (c *testCache) GetMulti(ctx context.Context, keys []string) (map[string][]byte, error) {
result := make(map[string][]byte)
for _, key := range keys {
if data, ok := c.data[key]; ok {
result[key] = data
}
}
return result, nil
}
func (c *testCache) SetMulti(ctx context.Context, items map[string]interface{}, expiration time.Duration) error {
for key, value := range items {
data, err := MarshalValue(value)
if err != nil {
return err
}
c.data[key] = data
}
return nil
}
// MockWorkRepository for testing
type MockWorkRepository struct {
works []*models.Work
}
func NewMockWorkRepository() *MockWorkRepository {
return &MockWorkRepository{works: []*models.Work{}}
}
func (m *MockWorkRepository) AddWork(work *models.Work) {
work.ID = uint(len(m.works) + 1)
m.works = append(m.works, work)
}
func (m *MockWorkRepository) GetByID(id uint) (*models.Work, error) {
for _, w := range m.works {
if w.ID == id {
return w, nil
}
}
return nil, errors.New("not found")
}
func (m *MockWorkRepository) FindByTitle(title string) ([]*models.Work, error) {
var result []*models.Work
for _, w := range m.works {
if len(title) == 0 || (len(w.Title) >= len(title) && w.Title[:len(title)] == title) {
result = append(result, w)
}
}
return result, nil
}
func (m *MockWorkRepository) FindByLanguage(language string, page, pageSize int) (*repositories.PaginatedResult[*models.Work], error) {
var filtered []*models.Work
for _, w := range m.works {
if w.Language == language {
filtered = append(filtered, w)
}
}
total := int64(len(filtered))
start := (page - 1) * pageSize
end := start + pageSize
if start > len(filtered) {
return &repositories.PaginatedResult[*models.Work]{Items: []*models.Work{}, TotalCount: total}, nil
}
if end > len(filtered) {
end = len(filtered)
}
return &repositories.PaginatedResult[*models.Work]{Items: filtered[start:end], TotalCount: total}, nil
}
func (m *MockWorkRepository) Count() (int64, error) {
return int64(len(m.works)), nil
}
// CachedWorkRepositorySuite is a test suite for the CachedWorkRepository
// Refactored to use MockWorkRepository and in-memory cache
type CachedWorkRepositorySuite struct {
suite.Suite
baseRepo *testutil.UnifiedMockWorkRepository
cache *testCache
repo *repositories.CachedWorkRepository
}
func (s *CachedWorkRepositorySuite) SetupSuite() {
// No DB setup required
}
func (s *CachedWorkRepositorySuite) SetupTest() {
s.baseRepo = testutil.NewUnifiedMockWorkRepository()
s.cache = &testCache{data: make(map[string][]byte)}
s.repo = repositories.NewCachedWorkRepository(
s.baseRepo,
s.cache,
nil,
30*time.Minute,
)
}
// createTestWork creates a test work and adds it to the mock repo
func (s *CachedWorkRepositorySuite) createTestWork(title, language string) *models.Work {
work := &models.Work{
TranslatableModel: models.TranslatableModel{BaseModel: models.BaseModel{ID: 0}, Language: language},
Title: title,
Description: "Test description",
Status: "published",
}
s.baseRepo.AddWork(work)
return work
}
// TestGetByID tests the GetByID method with cache miss and hit
func (s *CachedWorkRepositorySuite) TestGetByID() {
work := s.createTestWork("Test Work", "en")
result1, err := s.repo.GetByID(context.Background(), work.ID)
s.Require().NoError(err)
s.Require().NotNil(result1)
s.Equal(work.ID, result1.ID)
s.Equal(work.Title, result1.Title)
result2, err := s.repo.GetByID(context.Background(), work.ID)
s.Require().NoError(err)
s.Require().NotNil(result2)
s.Equal(work.ID, result2.ID)
s.Equal(work.Title, result2.Title)
s.Equal(result1.ID, result2.ID)
s.Equal(result1.Title, result2.Title)
}
// TestFindByTitle tests the FindByTitle method
func (s *CachedWorkRepositorySuite) TestFindByTitle() {
work1 := s.createTestWork("Test Work 1", "en")
work2 := s.createTestWork("Test Work 2", "en")
_ = s.createTestWork("Another Work", "en")
works1, err := s.repo.FindByTitle(context.Background(), "Test")
s.Require().NoError(err)
s.Require().Len(works1, 2)
works2, err := s.repo.FindByTitle(context.Background(), "Test")
s.Require().NoError(err)
s.Require().Len(works2, 2)
foundWork1 := false
foundWork2 := false
for _, work := range works2 {
if work.ID == work1.ID {
foundWork1 = true
}
if work.ID == work2.ID {
foundWork2 = true
}
}
s.True(foundWork1)
s.True(foundWork2)
}
// TestFindByLanguage tests the FindByLanguage method
func (s *CachedWorkRepositorySuite) TestFindByLanguage() {
s.createTestWork("Work 1", "en")
s.createTestWork("Work 2", "en")
s.createTestWork("Work 3", "fr")
s.createTestWork("Work 4", "fr")
s.createTestWork("Work 5", "es")
result1, err := s.repo.FindByLanguage(context.Background(), "en", 1, 10)
s.Require().NoError(err)
s.Require().NotNil(result1)
s.Equal(int64(2), result1.TotalCount)
s.Equal(2, len(result1.Items))
result2, err := s.repo.FindByLanguage(context.Background(), "en", 1, 10)
s.Require().NoError(err)
s.Require().NotNil(result2)
s.Equal(int64(2), result2.TotalCount)
s.Equal(2, len(result2.Items))
}
// TestCachedWorkRepositorySuite runs the test suite
func TestCachedWorkRepositorySuite(t *testing.T) {
suite.Run(t, new(CachedWorkRepositorySuite))
}

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package repositories
import (
"context"
"errors"
"gorm.io/gorm"
"tercul/models"
)
// CategoryRepository defines CRUD methods specific to Category.
type CategoryRepository interface {
BaseRepository[models.Category]
FindByName(ctx context.Context, name string) (*models.Category, error)
ListByWorkID(ctx context.Context, workID uint) ([]models.Category, error)
ListByParentID(ctx context.Context, parentID *uint) ([]models.Category, error)
}
type categoryRepository struct {
BaseRepository[models.Category]
db *gorm.DB
}
// NewCategoryRepository creates a new CategoryRepository.
func NewCategoryRepository(db *gorm.DB) CategoryRepository {
return &categoryRepository{
BaseRepository: NewBaseRepositoryImpl[models.Category](db),
db: db,
}
}
// FindByName finds a category by name
func (r *categoryRepository) FindByName(ctx context.Context, name string) (*models.Category, error) {
var category models.Category
if err := r.db.WithContext(ctx).Where("name = ?", name).First(&category).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrEntityNotFound
}
return nil, err
}
return &category, nil
}
// ListByWorkID finds categories by work ID
func (r *categoryRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Category, error) {
var categories []models.Category
if err := r.db.WithContext(ctx).Joins("JOIN work_categories ON work_categories.category_id = categories.id").
Where("work_categories.work_id = ?", workID).
Find(&categories).Error; err != nil {
return nil, err
}
return categories, nil
}
// ListByParentID finds categories by parent ID
func (r *categoryRepository) ListByParentID(ctx context.Context, parentID *uint) ([]models.Category, error) {
var categories []models.Category
if parentID == nil {
if err := r.db.WithContext(ctx).Where("parent_id IS NULL").Find(&categories).Error; err != nil {
return nil, err
}
} else {
if err := r.db.WithContext(ctx).Where("parent_id = ?", *parentID).Find(&categories).Error; err != nil {
return nil, err
}
}
return categories, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// CityRepository defines CRUD methods specific to City.
type CityRepository interface {
BaseRepository[models.City]
ListByCountryID(ctx context.Context, countryID uint) ([]models.City, error)
}
type cityRepository struct {
BaseRepository[models.City]
db *gorm.DB
}
// NewCityRepository creates a new CityRepository.
func NewCityRepository(db *gorm.DB) CityRepository {
return &cityRepository{
BaseRepository: NewBaseRepositoryImpl[models.City](db),
db: db,
}
}
// ListByCountryID finds cities by country ID
func (r *cityRepository) ListByCountryID(ctx context.Context, countryID uint) ([]models.City, error) {
var cities []models.City
if err := r.db.WithContext(ctx).Where("country_id = ?", countryID).Find(&cities).Error; err != nil {
return nil, err
}
return cities, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// CollectionRepository defines CRUD methods specific to Collection.
type CollectionRepository interface {
BaseRepository[models.Collection]
ListByUserID(ctx context.Context, userID uint) ([]models.Collection, error)
ListPublic(ctx context.Context) ([]models.Collection, error)
ListByWorkID(ctx context.Context, workID uint) ([]models.Collection, error)
}
type collectionRepository struct {
BaseRepository[models.Collection]
db *gorm.DB
}
// NewCollectionRepository creates a new CollectionRepository.
func NewCollectionRepository(db *gorm.DB) CollectionRepository {
return &collectionRepository{
BaseRepository: NewBaseRepositoryImpl[models.Collection](db),
db: db,
}
}
// ListByUserID finds collections by user ID
func (r *collectionRepository) ListByUserID(ctx context.Context, userID uint) ([]models.Collection, error) {
var collections []models.Collection
if err := r.db.WithContext(ctx).Where("user_id = ?", userID).Find(&collections).Error; err != nil {
return nil, err
}
return collections, nil
}
// ListPublic finds public collections
func (r *collectionRepository) ListPublic(ctx context.Context) ([]models.Collection, error) {
var collections []models.Collection
if err := r.db.WithContext(ctx).Where("is_public = ?", true).Find(&collections).Error; err != nil {
return nil, err
}
return collections, nil
}
// ListByWorkID finds collections by work ID
func (r *collectionRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Collection, error) {
var collections []models.Collection
if err := r.db.WithContext(ctx).Joins("JOIN collection_works ON collection_works.collection_id = collections.id").
Where("collection_works.work_id = ?", workID).
Find(&collections).Error; err != nil {
return nil, err
}
return collections, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// CommentRepository defines CRUD methods specific to Comment.
type CommentRepository interface {
BaseRepository[models.Comment]
ListByUserID(ctx context.Context, userID uint) ([]models.Comment, error)
ListByWorkID(ctx context.Context, workID uint) ([]models.Comment, error)
ListByTranslationID(ctx context.Context, translationID uint) ([]models.Comment, error)
ListByParentID(ctx context.Context, parentID uint) ([]models.Comment, error)
}
type commentRepository struct {
BaseRepository[models.Comment]
db *gorm.DB
}
// NewCommentRepository creates a new CommentRepository.
func NewCommentRepository(db *gorm.DB) CommentRepository {
return &commentRepository{
BaseRepository: NewBaseRepositoryImpl[models.Comment](db),
db: db,
}
}
// ListByUserID finds comments by user ID
func (r *commentRepository) ListByUserID(ctx context.Context, userID uint) ([]models.Comment, error) {
var comments []models.Comment
if err := r.db.WithContext(ctx).Where("user_id = ?", userID).Find(&comments).Error; err != nil {
return nil, err
}
return comments, nil
}
// ListByWorkID finds comments by work ID
func (r *commentRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Comment, error) {
var comments []models.Comment
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).Find(&comments).Error; err != nil {
return nil, err
}
return comments, nil
}
// ListByTranslationID finds comments by translation ID
func (r *commentRepository) ListByTranslationID(ctx context.Context, translationID uint) ([]models.Comment, error) {
var comments []models.Comment
if err := r.db.WithContext(ctx).Where("translation_id = ?", translationID).Find(&comments).Error; err != nil {
return nil, err
}
return comments, nil
}
// ListByParentID finds comments by parent ID
func (r *commentRepository) ListByParentID(ctx context.Context, parentID uint) ([]models.Comment, error) {
var comments []models.Comment
if err := r.db.WithContext(ctx).Where("parent_id = ?", parentID).Find(&comments).Error; err != nil {
return nil, err
}
return comments, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// ContributionRepository defines CRUD methods specific to Contribution.
type ContributionRepository interface {
BaseRepository[models.Contribution]
ListByUserID(ctx context.Context, userID uint) ([]models.Contribution, error)
ListByReviewerID(ctx context.Context, reviewerID uint) ([]models.Contribution, error)
ListByWorkID(ctx context.Context, workID uint) ([]models.Contribution, error)
ListByTranslationID(ctx context.Context, translationID uint) ([]models.Contribution, error)
ListByStatus(ctx context.Context, status string) ([]models.Contribution, error)
}
type contributionRepository struct {
BaseRepository[models.Contribution]
db *gorm.DB
}
// NewContributionRepository creates a new ContributionRepository.
func NewContributionRepository(db *gorm.DB) ContributionRepository {
return &contributionRepository{
BaseRepository: NewBaseRepositoryImpl[models.Contribution](db),
db: db,
}
}
// ListByUserID finds contributions by user ID
func (r *contributionRepository) ListByUserID(ctx context.Context, userID uint) ([]models.Contribution, error) {
var contributions []models.Contribution
if err := r.db.WithContext(ctx).Where("user_id = ?", userID).Find(&contributions).Error; err != nil {
return nil, err
}
return contributions, nil
}
// ListByReviewerID finds contributions by reviewer ID
func (r *contributionRepository) ListByReviewerID(ctx context.Context, reviewerID uint) ([]models.Contribution, error) {
var contributions []models.Contribution
if err := r.db.WithContext(ctx).Where("reviewer_id = ?", reviewerID).Find(&contributions).Error; err != nil {
return nil, err
}
return contributions, nil
}
// ListByWorkID finds contributions by work ID
func (r *contributionRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Contribution, error) {
var contributions []models.Contribution
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).Find(&contributions).Error; err != nil {
return nil, err
}
return contributions, nil
}
// ListByTranslationID finds contributions by translation ID
func (r *contributionRepository) ListByTranslationID(ctx context.Context, translationID uint) ([]models.Contribution, error) {
var contributions []models.Contribution
if err := r.db.WithContext(ctx).Where("translation_id = ?", translationID).Find(&contributions).Error; err != nil {
return nil, err
}
return contributions, nil
}
// ListByStatus finds contributions by status
func (r *contributionRepository) ListByStatus(ctx context.Context, status string) ([]models.Contribution, error) {
var contributions []models.Contribution
if err := r.db.WithContext(ctx).Where("status = ?", status).Find(&contributions).Error; err != nil {
return nil, err
}
return contributions, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// CopyrightClaimRepository defines CRUD methods specific to CopyrightClaim.
type CopyrightClaimRepository interface {
BaseRepository[models.CopyrightClaim]
ListByWorkID(ctx context.Context, workID uint) ([]models.CopyrightClaim, error)
ListByUserID(ctx context.Context, userID uint) ([]models.CopyrightClaim, error)
}
type copyrightClaimRepository struct {
BaseRepository[models.CopyrightClaim]
db *gorm.DB
}
// NewCopyrightClaimRepository creates a new CopyrightClaimRepository.
func NewCopyrightClaimRepository(db *gorm.DB) CopyrightClaimRepository {
return &copyrightClaimRepository{
BaseRepository: NewBaseRepositoryImpl[models.CopyrightClaim](db),
db: db,
}
}
// ListByWorkID finds claims by work ID
func (r *copyrightClaimRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.CopyrightClaim, error) {
var claims []models.CopyrightClaim
if err := r.db.WithContext(ctx).Where("work_id = ?", workID).Find(&claims).Error; err != nil {
return nil, err
}
return claims, nil
}
// ListByUserID finds claims by user ID
func (r *copyrightClaimRepository) ListByUserID(ctx context.Context, userID uint) ([]models.CopyrightClaim, error) {
var claims []models.CopyrightClaim
if err := r.db.WithContext(ctx).Where("user_id = ?", userID).Find(&claims).Error; err != nil {
return nil, err
}
return claims, nil
}

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package repositories
import (
"context"
"errors"
"gorm.io/gorm"
"tercul/models"
)
// CopyrightRepository defines CRUD methods specific to Copyright.
type CopyrightRepository interface {
BaseRepository[models.Copyright]
// Polymorphic methods
AttachToEntity(ctx context.Context, copyrightID uint, entityID uint, entityType string) error
DetachFromEntity(ctx context.Context, copyrightID uint, entityID uint, entityType string) error
GetByEntity(ctx context.Context, entityID uint, entityType string) ([]models.Copyright, error)
GetEntitiesByCopyright(ctx context.Context, copyrightID uint) ([]models.Copyrightable, error)
// Translation methods
AddTranslation(ctx context.Context, translation *models.CopyrightTranslation) error
GetTranslations(ctx context.Context, copyrightID uint) ([]models.CopyrightTranslation, error)
GetTranslationByLanguage(ctx context.Context, copyrightID uint, languageCode string) (*models.CopyrightTranslation, error)
}
type copyrightRepository struct {
BaseRepository[models.Copyright]
db *gorm.DB
}
// NewCopyrightRepository creates a new CopyrightRepository.
func NewCopyrightRepository(db *gorm.DB) CopyrightRepository {
return &copyrightRepository{
BaseRepository: NewBaseRepositoryImpl[models.Copyright](db),
db: db,
}
}
// AttachToEntity attaches a copyright to any entity type
func (r *copyrightRepository) AttachToEntity(ctx context.Context, copyrightID uint, entityID uint, entityType string) error {
copyrightable := models.Copyrightable{
CopyrightID: copyrightID,
CopyrightableID: entityID,
CopyrightableType: entityType,
}
return r.db.WithContext(ctx).Create(&copyrightable).Error
}
// DetachFromEntity removes a copyright from an entity
func (r *copyrightRepository) DetachFromEntity(ctx context.Context, copyrightID uint, entityID uint, entityType string) error {
return r.db.WithContext(ctx).Where("copyright_id = ? AND copyrightable_id = ? AND copyrightable_type = ?",
copyrightID, entityID, entityType).Delete(&models.Copyrightable{}).Error
}
// GetByEntity gets all copyrights for a specific entity
func (r *copyrightRepository) GetByEntity(ctx context.Context, entityID uint, entityType string) ([]models.Copyright, error) {
var copyrights []models.Copyright
err := r.db.WithContext(ctx).Joins("JOIN copyrightables ON copyrightables.copyright_id = copyrights.id").
Where("copyrightables.copyrightable_id = ? AND copyrightables.copyrightable_type = ?", entityID, entityType).
Preload("Translations").
Find(&copyrights).Error
return copyrights, err
}
// GetEntitiesByCopyright gets all entities that have a specific copyright
func (r *copyrightRepository) GetEntitiesByCopyright(ctx context.Context, copyrightID uint) ([]models.Copyrightable, error) {
var copyrightables []models.Copyrightable
err := r.db.WithContext(ctx).Where("copyright_id = ?", copyrightID).Find(&copyrightables).Error
return copyrightables, err
}
// AddTranslation adds a translation to a copyright
func (r *copyrightRepository) AddTranslation(ctx context.Context, translation *models.CopyrightTranslation) error {
return r.db.WithContext(ctx).Create(translation).Error
}
// GetTranslations gets all translations for a copyright
func (r *copyrightRepository) GetTranslations(ctx context.Context, copyrightID uint) ([]models.CopyrightTranslation, error) {
var translations []models.CopyrightTranslation
err := r.db.WithContext(ctx).Where("copyright_id = ?", copyrightID).Find(&translations).Error
return translations, err
}
// GetTranslationByLanguage gets a specific translation by language code
func (r *copyrightRepository) GetTranslationByLanguage(ctx context.Context, copyrightID uint, languageCode string) (*models.CopyrightTranslation, error) {
var translation models.CopyrightTranslation
err := r.db.WithContext(ctx).Where("copyright_id = ? AND language_code = ?", copyrightID, languageCode).First(&translation).Error
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrEntityNotFound
}
return nil, err
}
return &translation, nil
}

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package repositories
import (
"context"
"errors"
"gorm.io/gorm"
"tercul/models"
)
// CountryRepository defines CRUD methods specific to Country.
type CountryRepository interface {
BaseRepository[models.Country]
GetByCode(ctx context.Context, code string) (*models.Country, error)
ListByContinent(ctx context.Context, continent string) ([]models.Country, error)
}
type countryRepository struct {
BaseRepository[models.Country]
db *gorm.DB
}
// NewCountryRepository creates a new CountryRepository.
func NewCountryRepository(db *gorm.DB) CountryRepository {
return &countryRepository{
BaseRepository: NewBaseRepositoryImpl[models.Country](db),
db: db,
}
}
// GetByCode finds a country by code
func (r *countryRepository) GetByCode(ctx context.Context, code string) (*models.Country, error) {
var country models.Country
if err := r.db.WithContext(ctx).Where("code = ?", code).First(&country).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrEntityNotFound
}
return nil, err
}
return &country, nil
}
// ListByContinent finds countries by continent
func (r *countryRepository) ListByContinent(ctx context.Context, continent string) ([]models.Country, error) {
var countries []models.Country
if err := r.db.WithContext(ctx).Where("continent = ?", continent).Find(&countries).Error; err != nil {
return nil, err
}
return countries, nil
}

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package repositories
import (
"context"
"gorm.io/gorm"
"tercul/models"
)
// EdgeRepository defines CRUD operations for the polymorphic edge table.
type EdgeRepository interface {
BaseRepository[models.Edge]
ListBySource(ctx context.Context, sourceTable string, sourceID uint) ([]models.Edge, error)
}
type edgeRepository struct {
BaseRepository[models.Edge]
db *gorm.DB
}
// NewEdgeRepository creates a new EdgeRepository.
func NewEdgeRepository(db *gorm.DB) EdgeRepository {
return &edgeRepository{
BaseRepository: NewBaseRepositoryImpl[models.Edge](db),
db: db,
}
}
// ListBySource finds edges by source table and ID
func (r *edgeRepository) ListBySource(ctx context.Context, sourceTable string, sourceID uint) ([]models.Edge, error) {
var edges []models.Edge
if err := r.db.WithContext(ctx).Where("source_table = ? AND source_id = ?", sourceTable, sourceID).Find(&edges).Error; err != nil {
return nil, err
}
return edges, nil
}

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package repositories
import (
"context"
"errors"
"gorm.io/gorm"
"tercul/models"
)
// EditionRepository defines CRUD methods specific to Edition.
type EditionRepository interface {
BaseRepository[models.Edition]
ListByBookID(ctx context.Context, bookID uint) ([]models.Edition, error)
FindByISBN(ctx context.Context, isbn string) (*models.Edition, error)
}
type editionRepository struct {
BaseRepository[models.Edition]
db *gorm.DB
}
// NewEditionRepository creates a new EditionRepository.
func NewEditionRepository(db *gorm.DB) EditionRepository {
return &editionRepository{
BaseRepository: NewBaseRepositoryImpl[models.Edition](db),
db: db,
}
}
// ListByBookID finds editions by book ID
func (r *editionRepository) ListByBookID(ctx context.Context, bookID uint) ([]models.Edition, error) {
var editions []models.Edition
if err := r.db.WithContext(ctx).Where("book_id = ?", bookID).Find(&editions).Error; err != nil {
return nil, err
}
return editions, nil
}
// FindByISBN finds an edition by ISBN
func (r *editionRepository) FindByISBN(ctx context.Context, isbn string) (*models.Edition, error) {
var edition models.Edition
if err := r.db.WithContext(ctx).Where("isbn = ?", isbn).First(&edition).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, ErrEntityNotFound
}
return nil, err
}
return &edition, nil
}

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