apskel-pos-backend/internal/repository/game_prize_repository.go
2025-09-17 19:30:17 +07:00

103 lines
2.9 KiB
Go

package repository
import (
"apskel-pos-be/internal/entities"
"context"
"fmt"
"github.com/google/uuid"
"gorm.io/gorm"
)
type GamePrizeRepository struct {
db *gorm.DB
}
func NewGamePrizeRepository(db *gorm.DB) *GamePrizeRepository {
return &GamePrizeRepository{db: db}
}
func (r *GamePrizeRepository) Create(ctx context.Context, gamePrize *entities.GamePrize) error {
return r.db.WithContext(ctx).Create(gamePrize).Error
}
func (r *GamePrizeRepository) GetByID(ctx context.Context, id uuid.UUID) (*entities.GamePrize, error) {
var gamePrize entities.GamePrize
err := r.db.WithContext(ctx).Preload("Game").Preload("FallbackPrize").Where("id = ?", id).First(&gamePrize).Error
if err != nil {
return nil, err
}
return &gamePrize, nil
}
func (r *GamePrizeRepository) GetByGameID(ctx context.Context, gameID uuid.UUID) ([]entities.GamePrize, error) {
var gamePrizes []entities.GamePrize
err := r.db.WithContext(ctx).Preload("Game").Preload("FallbackPrize").Where("game_id = ?", gameID).Find(&gamePrizes).Error
if err != nil {
return nil, err
}
return gamePrizes, nil
}
func (r *GamePrizeRepository) List(ctx context.Context, offset, limit int, search string, gameID *uuid.UUID, sortBy, sortOrder string) ([]entities.GamePrize, int64, error) {
var gamePrizes []entities.GamePrize
var total int64
query := r.db.WithContext(ctx).Preload("Game").Preload("FallbackPrize")
if search != "" {
searchTerm := "%" + search + "%"
query = query.Where("name ILIKE ?", searchTerm)
}
if gameID != nil {
query = query.Where("game_id = ?", *gameID)
}
if err := query.Model(&entities.GamePrize{}).Count(&total).Error; err != nil {
return nil, 0, err
}
if sortBy != "" {
if sortOrder == "" {
sortOrder = "asc"
}
query = query.Order(fmt.Sprintf("game_prizes.%s %s", sortBy, sortOrder))
} else {
query = query.Order("game_prizes.weight DESC")
}
err := query.Offset(offset).Limit(limit).Find(&gamePrizes).Error
if err != nil {
return nil, 0, err
}
return gamePrizes, total, nil
}
func (r *GamePrizeRepository) Update(ctx context.Context, gamePrize *entities.GamePrize) error {
return r.db.WithContext(ctx).Save(gamePrize).Error
}
func (r *GamePrizeRepository) Delete(ctx context.Context, id uuid.UUID) error {
return r.db.WithContext(ctx).Delete(&entities.GamePrize{}, id).Error
}
func (r *GamePrizeRepository) DecreaseStock(ctx context.Context, id uuid.UUID, amount int) error {
return r.db.WithContext(ctx).Model(&entities.GamePrize{}).
Where("id = ? AND stock >= ?", id, amount).
Update("stock", gorm.Expr("stock - ?", amount)).Error
}
func (r *GamePrizeRepository) GetAvailablePrizes(ctx context.Context, gameID uuid.UUID) ([]entities.GamePrize, error) {
var gamePrizes []entities.GamePrize
err := r.db.WithContext(ctx).Preload("Game").Preload("FallbackPrize").
Where("game_id = ? AND stock > 0", gameID).
Order("weight DESC").
Find(&gamePrizes).Error
if err != nil {
return nil, err
}
return gamePrizes, nil
}