Files
mce/internal/router/deps_core.go
Victor_Jay 5a8b0ca79c feat: 实现 FallbackStore 会话存储降级保护
- 新增 session/fallback_store.go,包装 RedisStore + MemoryStore 双后端
- 后台 goroutine 周期性 ping Redis,自动降级/恢复
- Store 接口新增 Metrics() 方法,MemoryStore/RedisStore/FallbackStore 均已实现
- deps_core.go 改造为始终创建 MemoryStore 兜底,Redis 启用时包装为 FallbackStore
- Manager 新增 GetStoreMetrics() 暴露存储状态
2026-05-31 11:38:20 +08:00

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package router
import (
"log"
"time"
"metazone.cc/metalab/internal/config"
"metazone.cc/metalab/internal/controller"
adminCtrl "metazone.cc/metalab/internal/controller/admin"
"metazone.cc/metalab/internal/middleware"
"metazone.cc/metalab/internal/repository"
"metazone.cc/metalab/internal/service"
"metazone.cc/metalab/internal/session"
"github.com/redis/go-redis/v9"
"gorm.io/gorm"
)
type dependencies struct {
authCtrl *controller.AuthController
authMdw *middleware.AuthMiddleware
maintenanceMdw *middleware.MaintenanceMiddleware
settingsCtrl *controller.SettingsController
messageCtrl *controller.MessageController
postCtrl *controller.PostController
spaceCtrl *controller.SpaceController
studioCtrl *controller.StudioController
adminPostCtrl *adminCtrl.AdminPostController
adminCtrl *adminCtrl.AdminController
auditCtrl *adminCtrl.AuditController
siteSettingCtrl *adminCtrl.SiteSettingController
}
func buildDepsCore(db *gorm.DB, cfg *config.Config, siteSettings *config.SiteSettings, redisClient *redis.Client) (
*repository.UserRepo, *session.Manager, *service.AuthService,
*middleware.RateLimiter, *controller.AuthController,
*service.AvatarService, *middleware.AuthMiddleware, *adminCtrl.AdminController,
) {
userRepo := repository.NewUserRepo(db)
idleTimeout := time.Duration(cfg.Session.IdleTimeout) * time.Minute
rememberTimeout := time.Duration(cfg.Session.RememberTimeout) * time.Minute
cleanupInterval := time.Duration(cfg.Session.CleanupInterval) * time.Second
// 总是创建 MemoryStore 作为兜底
memStore := session.NewMemoryStore(idleTimeout, rememberTimeout)
memStore.StartCleanup(cleanupInterval)
var sessionStore session.Store
if cfg.Redis.Enabled && redisClient != nil {
// Redis 模式 + 自动降级保护
redisStore := session.NewRedisStore(redisClient, idleTimeout, rememberTimeout)
sessionStore = session.NewFallbackStore(redisStore, memStore, cleanupInterval)
log.Println("[Router] 会话存储: Redis带内存降级保护")
} else {
// 纯内存模式
sessionStore = memStore
log.Println("[Router] 会话存储: 内存")
}
sessionMgr := session.NewManager(sessionStore, userRepo, cfg)
authService := service.NewAuthService(userRepo, sessionMgr, cfg, siteSettings)
rateLimiter := middleware.NewRateLimiter()
authCtrl := controller.NewAuthController(authService, sessionMgr, rateLimiter, cfg)
avatarSvc := service.NewAvatarService(userRepo)
authMdw := middleware.NewAuthMiddleware(cfg, sessionMgr)
adminController := adminCtrl.NewAdminController(service.NewAdminService(userRepo, sessionMgr))
return userRepo, sessionMgr, authService, rateLimiter, authCtrl, avatarSvc, authMdw, adminController
}