tercul-backend/internal/models/metadata.go

package models

import (
	"time"
)

// LanguageAnalysis represents language analysis for a work
type LanguageAnalysis struct {
	BaseModel
	Language string `gorm:"size:50;not null;uniqueIndex:uniq_work_language_analysis"`
	Analysis JSONB  `gorm:"type:jsonb;default:'{}'"`
	WorkID   uint   `gorm:"index;uniqueIndex:uniq_work_language_analysis"`
	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 `gorm:"uniqueIndex;index"`
	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"`
}