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

package repositories

import (
	"context"
	"gorm.io/gorm"
	"tercul/internal/models"
)

// PublisherRepository defines CRUD methods specific to Publisher.
type PublisherRepository interface {
	BaseRepository[models.Publisher]
	ListByCountryID(ctx context.Context, countryID uint) ([]models.Publisher, error)
}

type publisherRepository struct {
	BaseRepository[models.Publisher]
	db *gorm.DB
}

// NewPublisherRepository creates a new PublisherRepository.
func NewPublisherRepository(db *gorm.DB) PublisherRepository {
	return &publisherRepository{
		BaseRepository: NewBaseRepositoryImpl[models.Publisher](db),
		db:             db,
	}
}

// ListByCountryID finds publishers by country ID
func (r *publisherRepository) ListByCountryID(ctx context.Context, countryID uint) ([]models.Publisher, error) {
	var publishers []models.Publisher
	if err := r.db.WithContext(ctx).Where("country_id = ?", countryID).Find(&publishers).Error; err != nil {
		return nil, err
	}
	return publishers, nil
}