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