2025-07-20 20:53:26 +08:00
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package database
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import (
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"context"
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"fmt"
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"time"
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"go.uber.org/zap"
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"gorm.io/gorm"
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2025-07-28 01:46:39 +08:00
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"tyapi-server/internal/shared/cache"
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2025-07-20 20:53:26 +08:00
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"tyapi-server/internal/shared/interfaces"
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)
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// CachedBaseRepositoryImpl 支持缓存的基础仓储实现
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// 在BaseRepositoryImpl基础上增加智能缓存管理
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type CachedBaseRepositoryImpl struct {
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*BaseRepositoryImpl
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tableName string
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}
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// NewCachedBaseRepositoryImpl 创建支持缓存的基础仓储实现
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func NewCachedBaseRepositoryImpl(db *gorm.DB, logger *zap.Logger, tableName string) *CachedBaseRepositoryImpl {
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return &CachedBaseRepositoryImpl{
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BaseRepositoryImpl: NewBaseRepositoryImpl(db, logger),
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tableName: tableName,
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}
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}
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2025-07-28 01:46:39 +08:00
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// ================ 智能缓存决策方法 ================
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// isTableCacheEnabled 检查表是否启用缓存
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func (r *CachedBaseRepositoryImpl) isTableCacheEnabled() bool {
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// 使用全局缓存配置管理器
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if cache.GlobalCacheConfigManager != nil {
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return cache.GlobalCacheConfigManager.IsTableCacheEnabled(r.tableName)
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}
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2025-07-31 15:41:00 +08:00
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2025-07-28 01:46:39 +08:00
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// 如果全局管理器未初始化,默认启用缓存
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2025-07-31 15:41:00 +08:00
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r.logger.Warn("全局缓存配置管理器未初始化,默认启用缓存",
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2025-07-28 01:46:39 +08:00
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zap.String("table", r.tableName))
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return true
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}
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// shouldUseCacheForTable 智能判断是否应该对当前表使用缓存
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func (r *CachedBaseRepositoryImpl) shouldUseCacheForTable() bool {
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// 检查表是否启用缓存
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if !r.isTableCacheEnabled() {
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r.logger.Debug("表未启用缓存,跳过缓存操作",
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zap.String("table", r.tableName))
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return false
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}
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return true
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}
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2025-07-20 20:53:26 +08:00
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// ================ 智能缓存方法 ================
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2025-07-28 01:46:39 +08:00
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// GetWithCache 带缓存的单条查询(智能决策)
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2025-07-20 20:53:26 +08:00
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func (r *CachedBaseRepositoryImpl) GetWithCache(ctx context.Context, dest interface{}, ttl time.Duration, where string, args ...interface{}) error {
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db := r.GetDB(ctx)
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2025-07-28 01:46:39 +08:00
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// 智能决策:根据表配置决定是否使用缓存
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if r.shouldUseCacheForTable() {
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db = db.Set("cache:enabled", true).Set("cache:ttl", ttl)
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r.logger.Debug("执行带缓存查询",
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zap.String("table", r.tableName),
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zap.Duration("ttl", ttl),
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zap.String("where", where))
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} else {
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db = db.Set("cache:disabled", true)
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r.logger.Debug("执行无缓存查询",
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zap.String("table", r.tableName),
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zap.String("where", where))
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}
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2025-07-20 20:53:26 +08:00
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return db.Where(where, args...).First(dest).Error
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}
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2025-07-28 01:46:39 +08:00
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// FindWithCache 带缓存的多条查询(智能决策)
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func (r *CachedBaseRepositoryImpl) FindWithCache(ctx context.Context, dest interface{}, ttl time.Duration, where string, args ...interface{}) error {
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db := r.GetDB(ctx)
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2025-07-28 01:46:39 +08:00
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// 智能决策:根据表配置决定是否使用缓存
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if r.shouldUseCacheForTable() {
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db = db.Set("cache:enabled", true).Set("cache:ttl", ttl)
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r.logger.Debug("执行带缓存批量查询",
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zap.String("table", r.tableName),
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zap.Duration("ttl", ttl),
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zap.String("where", where))
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} else {
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db = db.Set("cache:disabled", true)
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r.logger.Debug("执行无缓存批量查询",
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zap.String("table", r.tableName),
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zap.String("where", where))
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}
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2025-07-20 20:53:26 +08:00
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return db.Where(where, args...).Find(dest).Error
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}
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2025-07-28 01:46:39 +08:00
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// CountWithCache 带缓存的计数查询(智能决策)
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func (r *CachedBaseRepositoryImpl) CountWithCache(ctx context.Context, count *int64, ttl time.Duration, entity interface{}, where string, args ...interface{}) error {
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db := r.GetDB(ctx).Model(entity)
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2025-07-28 01:46:39 +08:00
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// 智能决策:根据表配置决定是否使用缓存
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if r.shouldUseCacheForTable() {
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db = db.Set("cache:enabled", true).Set("cache:ttl", ttl)
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r.logger.Debug("执行带缓存计数查询",
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zap.String("table", r.tableName),
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zap.Duration("ttl", ttl),
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zap.String("where", where))
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} else {
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db = db.Set("cache:disabled", true)
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r.logger.Debug("执行无缓存计数查询",
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zap.String("table", r.tableName),
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zap.String("where", where))
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}
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2025-07-20 20:53:26 +08:00
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return db.Where(where, args...).Count(count).Error
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}
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// ListWithCache 带缓存的列表查询(智能决策)
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func (r *CachedBaseRepositoryImpl) ListWithCache(ctx context.Context, dest interface{}, ttl time.Duration, options CacheListOptions) error {
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db := r.GetDB(ctx)
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2025-07-28 01:46:39 +08:00
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// 智能决策:根据表配置决定是否使用缓存
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if r.shouldUseCacheForTable() {
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db = db.Set("cache:enabled", true).Set("cache:ttl", ttl)
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r.logger.Debug("执行带缓存列表查询",
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zap.String("table", r.tableName),
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zap.Duration("ttl", ttl))
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} else {
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db = db.Set("cache:disabled", true)
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r.logger.Debug("执行无缓存列表查询",
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zap.String("table", r.tableName))
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}
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// 应用where条件
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if options.Where != "" {
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db = db.Where(options.Where, options.Args...)
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}
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// 应用预加载
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for _, preload := range options.Preloads {
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db = db.Preload(preload)
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}
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// 应用排序
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if options.Order != "" {
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db = db.Order(options.Order)
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}
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// 应用分页
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if options.Limit > 0 {
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db = db.Limit(options.Limit)
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}
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if options.Offset > 0 {
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db = db.Offset(options.Offset)
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}
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return db.Find(dest).Error
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}
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// CacheListOptions 缓存列表查询选项
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type CacheListOptions struct {
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Where string `json:"where"`
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Args []interface{} `json:"args"`
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Order string `json:"order"`
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Limit int `json:"limit"`
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Offset int `json:"offset"`
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Preloads []string `json:"preloads"`
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}
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// ================ 缓存控制方法 ================
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// WithCache 启用缓存
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func (r *CachedBaseRepositoryImpl) WithCache(ttl time.Duration) *CachedBaseRepositoryImpl {
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// 创建新实例避免状态污染
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return &CachedBaseRepositoryImpl{
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BaseRepositoryImpl: &BaseRepositoryImpl{
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db: r.db.Set("cache:enabled", true).Set("cache:ttl", ttl),
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logger: r.logger,
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},
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tableName: r.tableName,
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}
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}
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// WithoutCache 禁用缓存
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func (r *CachedBaseRepositoryImpl) WithoutCache() *CachedBaseRepositoryImpl {
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return &CachedBaseRepositoryImpl{
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BaseRepositoryImpl: &BaseRepositoryImpl{
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db: r.db.Set("cache:disabled", true),
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logger: r.logger,
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},
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tableName: r.tableName,
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}
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}
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// WithShortCache 短期缓存(5分钟)
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func (r *CachedBaseRepositoryImpl) WithShortCache() *CachedBaseRepositoryImpl {
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return r.WithCache(5 * time.Minute)
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}
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// WithMediumCache 中期缓存(30分钟)
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func (r *CachedBaseRepositoryImpl) WithMediumCache() *CachedBaseRepositoryImpl {
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return r.WithCache(30 * time.Minute)
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}
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// WithLongCache 长期缓存(2小时)
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func (r *CachedBaseRepositoryImpl) WithLongCache() *CachedBaseRepositoryImpl {
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return r.WithCache(2 * time.Hour)
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}
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// ================ 智能查询方法 ================
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// SmartGetByID 智能ID查询(自动缓存)
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func (r *CachedBaseRepositoryImpl) SmartGetByID(ctx context.Context, id string, dest interface{}) error {
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r.logger.Debug("执行智能ID查询",
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zap.String("table", r.tableName),
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zap.String("id", id))
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return r.GetWithCache(ctx, dest, 30*time.Minute, "id = ?", id)
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}
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// SmartGetByField 智能字段查询(自动缓存)
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func (r *CachedBaseRepositoryImpl) SmartGetByField(ctx context.Context, dest interface{}, field string, value interface{}, ttl ...time.Duration) error {
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cacheTTL := 15 * time.Minute
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if len(ttl) > 0 {
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cacheTTL = ttl[0]
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}
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return r.GetWithCache(ctx, dest, cacheTTL, field+" = ?", value)
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}
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// SmartList 智能列表查询(根据查询复杂度自动选择缓存策略)
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func (r *CachedBaseRepositoryImpl) SmartList(ctx context.Context, dest interface{}, options interfaces.ListOptions) error {
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// 根据查询复杂度决定缓存策略
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cacheTTL := r.calculateCacheTTL(options)
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useCache := r.shouldUseCache(options)
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r.logger.Debug("执行智能列表查询",
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zap.String("table", r.tableName),
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zap.Bool("use_cache", useCache),
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zap.Duration("cache_ttl", cacheTTL))
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// 修复:确保缓存标记在查询前正确设置
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|
|
db := r.GetDB(ctx)
|
|
|
|
|
|
if useCache {
|
|
|
|
|
|
db = db.Set("cache:enabled", true).Set("cache:ttl", cacheTTL)
|
|
|
|
|
|
} else {
|
|
|
|
|
|
db = db.Set("cache:disabled", true)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 应用筛选条件
|
|
|
|
|
|
if options.Filters != nil {
|
|
|
|
|
|
for key, value := range options.Filters {
|
|
|
|
|
|
db = db.Where(key+" = ?", value)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 应用搜索条件
|
|
|
|
|
|
if options.Search != "" {
|
|
|
|
|
|
// 这里应该由具体Repository实现搜索逻辑
|
|
|
|
|
|
r.logger.Debug("搜索查询默认禁用缓存", zap.String("search", options.Search))
|
|
|
|
|
|
db = db.Set("cache:disabled", true)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 应用预加载
|
|
|
|
|
|
for _, include := range options.Include {
|
|
|
|
|
|
db = db.Preload(include)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 应用排序
|
|
|
|
|
|
if options.Sort != "" {
|
|
|
|
|
|
order := "ASC"
|
|
|
|
|
|
if options.Order == "desc" || options.Order == "DESC" {
|
|
|
|
|
|
order = "DESC"
|
|
|
|
|
|
}
|
|
|
|
|
|
db = db.Order(options.Sort + " " + order)
|
|
|
|
|
|
} else {
|
|
|
|
|
|
db = db.Order("created_at DESC")
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 应用分页
|
|
|
|
|
|
if options.Page > 0 && options.PageSize > 0 {
|
|
|
|
|
|
offset := (options.Page - 1) * options.PageSize
|
|
|
|
|
|
db = db.Offset(offset).Limit(options.PageSize)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return db.Find(dest).Error
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// calculateCacheTTL 计算缓存TTL
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) calculateCacheTTL(options interfaces.ListOptions) time.Duration {
|
|
|
|
|
|
// 基础TTL
|
|
|
|
|
|
baseTTL := 15 * time.Minute
|
|
|
|
|
|
|
|
|
|
|
|
// 如果有搜索,缩短TTL
|
|
|
|
|
|
if options.Search != "" {
|
|
|
|
|
|
return 2 * time.Minute
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 如果有复杂筛选,缩短TTL
|
|
|
|
|
|
if len(options.Filters) > 3 {
|
|
|
|
|
|
return 5 * time.Minute
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 如果是简单查询,延长TTL
|
|
|
|
|
|
if len(options.Filters) == 0 && options.Search == "" {
|
|
|
|
|
|
return 30 * time.Minute
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return baseTTL
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// shouldUseCache 判断是否应该使用缓存
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) shouldUseCache(options interfaces.ListOptions) bool {
|
|
|
|
|
|
// 如果有搜索,不使用缓存(搜索结果变化频繁)
|
|
|
|
|
|
if options.Search != "" {
|
|
|
|
|
|
return false
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 如果筛选条件过多,不使用缓存
|
|
|
|
|
|
if len(options.Filters) > 5 {
|
|
|
|
|
|
return false
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 如果分页页数过大,不使用缓存
|
|
|
|
|
|
if options.Page > 10 {
|
|
|
|
|
|
return false
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return true
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// ================ 缓存预热方法 ================
|
|
|
|
|
|
|
|
|
|
|
|
// WarmupCommonQueries 预热常用查询
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) WarmupCommonQueries(ctx context.Context, queries []WarmupQuery) error {
|
2025-07-28 01:46:39 +08:00
|
|
|
|
r.logger.Info("开始预热缓存",
|
2025-07-20 20:53:26 +08:00
|
|
|
|
zap.String("table", r.tableName),
|
|
|
|
|
|
zap.Int("queries", len(queries)),
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
for _, query := range queries {
|
|
|
|
|
|
if err := r.executeWarmupQuery(ctx, query); err != nil {
|
2025-07-28 01:46:39 +08:00
|
|
|
|
r.logger.Warn("缓存预热失败",
|
2025-07-20 20:53:26 +08:00
|
|
|
|
zap.String("query", query.Name),
|
|
|
|
|
|
zap.Error(err),
|
|
|
|
|
|
)
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// WarmupQuery 预热查询定义
|
|
|
|
|
|
type WarmupQuery struct {
|
2025-07-28 01:46:39 +08:00
|
|
|
|
Name string `json:"name"`
|
|
|
|
|
|
SQL string `json:"sql"`
|
|
|
|
|
|
Args []interface{} `json:"args"`
|
|
|
|
|
|
TTL time.Duration `json:"ttl"`
|
|
|
|
|
|
Dest interface{} `json:"dest"`
|
2025-07-20 20:53:26 +08:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// executeWarmupQuery 执行预热查询
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) executeWarmupQuery(ctx context.Context, query WarmupQuery) error {
|
|
|
|
|
|
db := r.GetDB(ctx).
|
|
|
|
|
|
Set("cache:enabled", true).
|
|
|
|
|
|
Set("cache:ttl", query.TTL)
|
|
|
|
|
|
|
|
|
|
|
|
if query.SQL != "" {
|
|
|
|
|
|
return db.Raw(query.SQL, query.Args...).Scan(query.Dest).Error
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// ================ 高级缓存特性 ================
|
|
|
|
|
|
|
|
|
|
|
|
// GetOrCreate 获取或创建(带缓存)
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) GetOrCreate(ctx context.Context, dest interface{}, where string, args []interface{}, createFn func() interface{}) error {
|
|
|
|
|
|
// 先尝试从缓存获取
|
|
|
|
|
|
if err := r.GetWithCache(ctx, dest, 15*time.Minute, where, args...); err == nil {
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 缓存未命中,尝试从数据库获取
|
|
|
|
|
|
if err := r.GetDB(ctx).Where(where, args...).First(dest).Error; err == nil {
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 数据库也没有,创建新记录
|
|
|
|
|
|
if createFn != nil {
|
|
|
|
|
|
newEntity := createFn()
|
|
|
|
|
|
if err := r.CreateEntity(ctx, newEntity); err != nil {
|
|
|
|
|
|
return err
|
|
|
|
|
|
}
|
2025-07-28 01:46:39 +08:00
|
|
|
|
|
2025-07-20 20:53:26 +08:00
|
|
|
|
// 将新创建的实体复制到dest
|
|
|
|
|
|
// 这里需要反射或其他方式复制
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return gorm.ErrRecordNotFound
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// BatchGetWithCache 批量获取(带缓存)
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) BatchGetWithCache(ctx context.Context, ids []string, dest interface{}, ttl time.Duration) error {
|
|
|
|
|
|
if len(ids) == 0 {
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return r.FindWithCache(ctx, dest, ttl, "id IN ?", ids)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// RefreshCache 刷新缓存
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) RefreshCache(ctx context.Context, pattern string) error {
|
2025-07-28 01:46:39 +08:00
|
|
|
|
r.logger.Info("刷新缓存",
|
2025-07-20 20:53:26 +08:00
|
|
|
|
zap.String("table", r.tableName),
|
|
|
|
|
|
zap.String("pattern", pattern),
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
|
|
// 这里需要调用缓存服务的删除模式方法
|
|
|
|
|
|
// 具体实现取决于你的CacheService接口
|
|
|
|
|
|
return nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// ================ 缓存统计方法 ================
|
|
|
|
|
|
|
|
|
|
|
|
// GetCacheInfo 获取缓存信息
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) GetCacheInfo() map[string]interface{} {
|
|
|
|
|
|
return map[string]interface{}{
|
2025-07-28 01:46:39 +08:00
|
|
|
|
"table_name": r.tableName,
|
|
|
|
|
|
"cache_enabled": true,
|
|
|
|
|
|
"default_ttl": "30m",
|
2025-07-20 20:53:26 +08:00
|
|
|
|
"cache_patterns": []string{
|
|
|
|
|
|
fmt.Sprintf("gorm_cache:%s:*", r.tableName),
|
|
|
|
|
|
},
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// LogCacheOperation 记录缓存操作
|
|
|
|
|
|
func (r *CachedBaseRepositoryImpl) LogCacheOperation(operation, details string) {
|
2025-07-28 01:46:39 +08:00
|
|
|
|
r.logger.Debug("缓存操作",
|
2025-07-20 20:53:26 +08:00
|
|
|
|
zap.String("table", r.tableName),
|
|
|
|
|
|
zap.String("operation", operation),
|
|
|
|
|
|
zap.String("details", details),
|
|
|
|
|
|
)
|
2025-07-28 01:46:39 +08:00
|
|
|
|
}
|