Add internal/repository/game.go

internal/repository/game.go

@@ -0,0 +1,92 @@
+package repository
+
+import (
+	"gotest/internal/model"
+
+	"gorm.io/gorm"
+)
+
+// GameRepository 游戏数据访问层
+type GameRepository struct {
+	db *gorm.DB
+}
+
+// NewGameRepository 创建游戏仓库实例
+func NewGameRepository(db *gorm.DB) *GameRepository {
+	return &GameRepository{db: db}
+}
+
+// ListCategories 获取游戏分类列表
+func (r *GameRepository) ListCategories() ([]model.GameCategory, error) {
+	var categories []model.GameCategory
+	if err := r.db.Order("sort ASC, id ASC").Find(&categories).Error; err != nil {
+		return nil, err
+	}
+	return categories, nil
+}
+
+// ListGames 获取游戏列表，支持分类过滤、关键词搜索和排序
+func (r *GameRepository) ListGames(categoryID uint, keyword string, sort string, page, pageSize int) ([]model.Game, int64, error) {
+	var games []model.Game
+	var total int64
+
+	query := r.db.Where("status = 1")
+	if categoryID > 0 {
+		query = query.Where("category_id = ?", categoryID)
+	}
+	if keyword != "" {
+		query = query.Where("name LIKE ? OR tags LIKE ? OR developer LIKE ?", "%"+keyword+"%", "%"+keyword+"%", "%"+keyword+"%")
+	}
+
+	if err := query.Model(&model.Game{}).Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	switch sort {
+	case "rating":
+		query = query.Order("rating DESC")
+	case "plays":
+		query = query.Order("plays DESC")
+	case "newest":
+		query = query.Order("release_date DESC")
+	default:
+		query = query.Order("sort ASC, id DESC")
+	}
+
+	if page > 0 && pageSize > 0 {
+		offset := (page - 1) * pageSize
+		query = query.Offset(offset).Limit(pageSize)
+	}
+
+	if err := query.Find(&games).Error; err != nil {
+		return nil, 0, err
+	}
+	return games, total, nil
+}
+
+// GetGame 根据 ID 获取游戏详情
+func (r *GameRepository) GetGame(id uint) (*model.Game, error) {
+	var game model.Game
+	if err := r.db.First(&game, id).Error; err != nil {
+		return nil, err
+	}
+	return &game, nil
+}
+
+// ListHotGames 获取热门游戏
+func (r *GameRepository) ListHotGames(limit int) ([]model.Game, error) {
+	var games []model.Game
+	if err := r.db.Where("status = 1 AND is_hot = true").Order("plays DESC").Limit(limit).Find(&games).Error; err != nil {
+		return nil, err
+	}
+	return games, nil
+}
+
+// ListNewGames 获取新游
+func (r *GameRepository) ListNewGames(limit int) ([]model.Game, error) {
+	var games []model.Game
+	if err := r.db.Where("status = 1 AND is_new = true").Order("release_date DESC").Limit(limit).Find(&games).Error; err != nil {
+		return nil, err
+	}
+	return games, nil
+}