update

cmd/unified/main.go

@@ -336,16 +336,42 @@ func apiFiles(mux *http.ServeMux, store filesvc.MeshStore, blobs blobfs.Store, m
 			http.NotFound(w, r)
 			return
 		}
-		rc, meta, err := blobs.Open(r.Context(), id)
+
+		// 1) lokal
+		if rc, meta, err := blobs.Open(r.Context(), id); err == nil {
+			defer rc.Close()
+			w.Header().Set("Content-Type", meta.ContentType)
+			w.Header().Set("Content-Length", strconv.FormatInt(meta.Size, 10))
+			w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, meta.Name))
+			_, _ = io.Copy(w, rc)
+			return
+		}
+
+		// 2) remote holen
+		rrc, name, _, _, err := meshNode.FetchBlobAny(r.Context(), id)
 		if err != nil {
 			http.NotFound(w, r)
 			return
 		}
-		defer rc.Close()
+		defer rrc.Close()
+
+		// 3) lokal cachen
+		if _, err := blobs.Save(r.Context(), id, name, rrc); err != nil {
+			http.Error(w, "cache failed: "+err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		// 4) erneut lokal öffnen und streamen
+		lrc, meta, err := blobs.Open(r.Context(), id)
+		if err != nil {
+			http.Error(w, "open failed", http.StatusInternalServerError)
+			return
+		}
+		defer lrc.Close()
 		w.Header().Set("Content-Type", meta.ContentType)
 		w.Header().Set("Content-Length", strconv.FormatInt(meta.Size, 10))
 		w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s"`, meta.Name))
-		_, _ = io.Copy(w, rc)
+		_, _ = io.Copy(w, lrc)
 	})
 }
 
@@ -387,7 +413,9 @@ func main() {
 
 	// Mesh starten
 	mcfg := mesh.FromEnv()
-	mnode, err := mesh.New(mcfg, mesh.Callbacks{
+	blobs := blobfs.New(getenvDefault("DATA_DIR", "./data"))
+
+	mnode, err := mesh.New(cfg.Mesh, mesh.Callbacks{
 		GetSnapshot: func(ctx context.Context) (mesh.Snapshot, error) {
 			s, err := st.Snapshot(ctx)
 			if err != nil {
@@ -398,6 +426,13 @@ func main() {
 		ApplyRemote: func(ctx context.Context, s mesh.Snapshot) error {
 			return st.ApplyRemote(ctx, fromMeshSnapshot(s))
 		},
+		BlobOpen: func(ctx context.Context, id int64) (io.ReadCloser, string, string, int64, error) {
+			rc, meta, err := blobs.Open(ctx, id)
+			if err != nil {
+				return nil, "", "", 0, err
+			}
+			return rc, meta.Name, meta.ContentType, meta.Size, nil
+		},
 	})
 	if err != nil {
 		log.Fatalf("mesh init: %v", err)
@@ -414,7 +449,7 @@ func main() {
 	root := http.NewServeMux()
 
 	// API (Bearer-Auth)
-	blobs := blobfs.New(getenvDefault("DATA_DIR", "./data"))
+	//blobs := blobfs.New(getenvDefault("DATA_DIR", "./data"))
 	apiMux := http.NewServeMux()
 	fileRoutes(apiMux, st)
 	apiFiles(apiMux, st, blobs, mnode)