tercul-backend/internal/data/sql/copyright_repository.go

package sql

import (
	"context"
	"errors"
	"tercul/internal/domain"

	"go.opentelemetry.io/otel"
	"go.opentelemetry.io/otel/trace"
	"gorm.io/gorm"
)

type copyrightRepository struct {
	domain.BaseRepository[domain.Copyright]
	db     *gorm.DB
	tracer trace.Tracer
}

// NewCopyrightRepository creates a new CopyrightRepository.
func NewCopyrightRepository(db *gorm.DB) domain.CopyrightRepository {
	return &copyrightRepository{
		BaseRepository: NewBaseRepositoryImpl[domain.Copyright](db),
		db:             db,
		tracer:         otel.Tracer("copyright.repository"),
	}
}

// AddTranslation adds a translation to a copyright
func (r *copyrightRepository) AddTranslation(ctx context.Context, translation *domain.CopyrightTranslation) error {
	ctx, span := r.tracer.Start(ctx, "AddTranslation")
	defer span.End()
	return r.db.WithContext(ctx).Create(translation).Error
}

// GetTranslations gets all translations for a copyright
func (r *copyrightRepository) GetTranslations(ctx context.Context, copyrightID uint) ([]domain.CopyrightTranslation, error) {
	ctx, span := r.tracer.Start(ctx, "GetTranslations")
	defer span.End()
	var translations []domain.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) (*domain.CopyrightTranslation, error) {
	ctx, span := r.tracer.Start(ctx, "GetTranslationByLanguage")
	defer span.End()
	var translation domain.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
}

func (r *copyrightRepository) AddCopyrightToWork(ctx context.Context, workID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "AddCopyrightToWork")
	defer span.End()
	return r.db.WithContext(ctx).Exec("INSERT INTO work_copyrights (work_id, copyright_id) VALUES (?, ?) ON CONFLICT DO NOTHING", workID, copyrightID).Error
}

func (r *copyrightRepository) RemoveCopyrightFromWork(ctx context.Context, workID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "RemoveCopyrightFromWork")
	defer span.End()
	return r.db.WithContext(ctx).Exec("DELETE FROM work_copyrights WHERE work_id = ? AND copyright_id = ?", workID, copyrightID).Error
}

func (r *copyrightRepository) AddCopyrightToAuthor(ctx context.Context, authorID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "AddCopyrightToAuthor")
	defer span.End()
	return r.db.WithContext(ctx).Exec("INSERT INTO author_copyrights (author_id, copyright_id) VALUES (?, ?) ON CONFLICT DO NOTHING", authorID, copyrightID).Error
}

func (r *copyrightRepository) RemoveCopyrightFromAuthor(ctx context.Context, authorID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "RemoveCopyrightFromAuthor")
	defer span.End()
	return r.db.WithContext(ctx).Exec("DELETE FROM author_copyrights WHERE author_id = ? AND copyright_id = ?", authorID, copyrightID).Error
}

func (r *copyrightRepository) AddCopyrightToBook(ctx context.Context, bookID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "AddCopyrightToBook")
	defer span.End()
	return r.db.WithContext(ctx).Exec("INSERT INTO book_copyrights (book_id, copyright_id) VALUES (?, ?) ON CONFLICT DO NOTHING", bookID, copyrightID).Error
}

func (r *copyrightRepository) RemoveCopyrightFromBook(ctx context.Context, bookID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "RemoveCopyrightFromBook")
	defer span.End()
	return r.db.WithContext(ctx).Exec("DELETE FROM book_copyrights WHERE book_id = ? AND copyright_id = ?", bookID, copyrightID).Error
}

func (r *copyrightRepository) AddCopyrightToPublisher(ctx context.Context, publisherID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "AddCopyrightToPublisher")
	defer span.End()
	return r.db.WithContext(ctx).Exec("INSERT INTO publisher_copyrights (publisher_id, copyright_id) VALUES (?, ?) ON CONFLICT DO NOTHING", publisherID, copyrightID).Error
}

func (r *copyrightRepository) RemoveCopyrightFromPublisher(ctx context.Context, publisherID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "RemoveCopyrightFromPublisher")
	defer span.End()
	return r.db.WithContext(ctx).Exec("DELETE FROM publisher_copyrights WHERE publisher_id = ? AND copyright_id = ?", publisherID, copyrightID).Error
}

func (r *copyrightRepository) AddCopyrightToSource(ctx context.Context, sourceID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "AddCopyrightToSource")
	defer span.End()
	return r.db.WithContext(ctx).Exec("INSERT INTO source_copyrights (source_id, copyright_id) VALUES (?, ?) ON CONFLICT DO NOTHING", sourceID, copyrightID).Error
}

func (r *copyrightRepository) RemoveCopyrightFromSource(ctx context.Context, sourceID uint, copyrightID uint) error {
	ctx, span := r.tracer.Start(ctx, "RemoveCopyrightFromSource")
	defer span.End()
	return r.db.WithContext(ctx).Exec("DELETE FROM source_copyrights WHERE source_id = ? AND copyright_id = ?", sourceID, copyrightID).Error
}