chat_room/internal/repository/photo_repository.go

package repository

import (
	"gorm.io/gorm"

	"dating-app/internal/models"
)

type PhotoRepository struct {
	db *gorm.DB
}

func NewPhotoRepository(db *gorm.DB) *PhotoRepository {
	return &PhotoRepository{db: db}
}

func (r *PhotoRepository) ListByUser(userID uint) ([]models.Photo, error) {
	var photos []models.Photo
	err := r.db.Where("user_id = ?", userID).Order("sort_order asc, id asc").Find(&photos).Error
	return photos, err
}

func (r *PhotoRepository) ListByUserIDs(userIDs []uint) ([]models.Photo, error) {
	var photos []models.Photo
	if len(userIDs) == 0 {
		return photos, nil
	}
	err := r.db.Where("user_id IN ?", userIDs).Order("sort_order asc, id asc").Find(&photos).Error
	return photos, err
}

// ListAllPaginated همه‌ی عکس‌های آپلودشده‌ی اپ رو صفحه‌بندی‌شده، جدیدترین اول
// برمی‌گردونه (برای نظارت محتوایی پنل ادمین).
func (r *PhotoRepository) ListAllPaginated(limit, offset int) ([]models.Photo, int64, error) {
	var total int64
	if err := r.db.Model(&models.Photo{}).Count(&total).Error; err != nil {
		return nil, 0, err
	}
	var photos []models.Photo
	err := r.db.Order("created_at desc").Limit(limit).Offset(offset).Find(&photos).Error
	return photos, total, err
}

func (r *PhotoRepository) CountByUser(userID uint) (int64, error) {
	var count int64
	err := r.db.Model(&models.Photo{}).Where("user_id = ?", userID).Count(&count).Error
	return count, err
}

func (r *PhotoRepository) Create(photo *models.Photo) error {
	return r.db.Create(photo).Error
}

func (r *PhotoRepository) FindByID(id uint) (*models.Photo, error) {
	var photo models.Photo
	if err := r.db.First(&photo, id).Error; err != nil {
		return nil, err
	}
	return &photo, nil
}

func (r *PhotoRepository) Delete(id uint) error {
	return r.db.Delete(&models.Photo{}, id).Error
}