Add runtime restore and temp asset cleanup

apps/api/internal/httpapi/local_temp_assets.go

@@ -0,0 +1,70 @@
+package httpapi
+
+import (
+	"context"
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/config"
+	"github.com/easyai/easyai-ai-gateway/apps/api/internal/store"
+)
+
+func (s *Server) startLocalTempAssetCleanup(ctx context.Context) {
+	go func() {
+		s.cleanupExpiredLocalTempAssets(ctx, time.Now())
+		ticker := time.NewTicker(time.Hour)
+		defer ticker.Stop()
+		for {
+			select {
+			case <-ctx.Done():
+				return
+			case now := <-ticker.C:
+				s.cleanupExpiredLocalTempAssets(ctx, now)
+			}
+		}
+	}()
+}
+
+func (s *Server) cleanupExpiredLocalTempAssets(ctx context.Context, now time.Time) int {
+	storageDir := strings.TrimSpace(s.cfg.LocalUploadedStorageDir)
+	if storageDir == "" {
+		storageDir = config.DefaultLocalUploadedStorageDir
+	}
+	entries, err := os.ReadDir(storageDir)
+	if err != nil {
+		if !errors.Is(err, os.ErrNotExist) {
+			s.logger.Warn("read local temp asset dir failed", "dir", storageDir, "error", err)
+		}
+		return 0
+	}
+	ttl := time.Duration(s.localTempAssetTTLHours()) * time.Hour
+	expiredBefore := now.Add(-ttl)
+	deleted := 0
+	for _, entry := range entries {
+		if entry.IsDir() || !strings.HasPrefix(entry.Name(), requestAssetFilePrefix) {
+			continue
+		}
+		info, err := entry.Info()
+		if err != nil {
+			continue
+		}
+		if info.ModTime().After(expiredBefore) {
+			continue
+		}
+		localPath := filepath.Join(storageDir, entry.Name())
+		if err := os.Remove(localPath); err != nil && !errors.Is(err, os.ErrNotExist) {
+			s.logger.Warn("remove local temp asset failed", "path", localPath, "error", err)
+			continue
+		}
+		deleted++
+		if s.store != nil {
+			if err := s.store.MarkRequestAssetExpiredByLocalPath(ctx, localPath, now); err != nil && !store.IsUndefinedDatabaseObject(err) {
+				s.logger.Warn("mark local temp asset expired failed", "path", localPath, "error", err)
+			}
+		}
+	}
+	return deleted
+}