文件系统的存储方式

.gitignore

@@ -9,3 +9,4 @@ node_modules
 *.env
 */build/*
 *.db
+data/

core/canvas.go

@@ -12,7 +12,7 @@ type (
 		UserID    string    `json:"-"` // Not exposed in JSON responses, used internally.
 		Name      string    `json:"name"`
 		Thumbnail string    `json:"thumbnail,omitempty"`
-		Data      []byte    `json:"-"` // The full canvas data, not included in list views.
+		Data      []byte    `json:"data,omitempty"` // The full canvas data, not included in list views.
 		CreatedAt time.Time `json:"createdAt"`
 		UpdatedAt time.Time `json:"updatedAt"`
 	}

docker-compose.yml

@@ -0,0 +1,12 @@
+version: '3.8'
+
+services:
+  excalidraw:
+    image: ghcr.io/betterandbetterii/excalidraw-full-linuxdo:linux-do
+    ports:
+      - "3002:3002"
+    volumes:
+      - ./data:/root/data
+      - ./excalidraw.db:/root/excalidraw.db
+    env_file:
+      - .env

stores/filesystem/store.go

@@ -92,6 +92,12 @@ func (s *fsStore) List(ctx context.Context, userID string) ([]*core.Canvas, erro
 	for _, file := range files {
 		if !file.IsDir() {
 			filePath := filepath.Join(userPath, file.Name())
+			fileInfo, err := file.Info()
+			if err != nil {
+				log.WithError(err).Warnf("Failed to get file info for %s, skipping", file.Name())
+				continue
+			}
+
 			data, err := os.ReadFile(filePath)
 			if err != nil {
 				log.WithError(err).Warnf("Failed to read canvas file %s, skipping", file.Name())
@@ -105,7 +111,9 @@ func (s *fsStore) List(ctx context.Context, userID string) ([]*core.Canvas, erro
 			}
 
 			// For list view, we don't need the full data blob.
+			// Also ensure we populate metadata from the filesystem.
 			canvas.Data = nil
+			canvas.UpdatedAt = fileInfo.ModTime()
 			canvases = append(canvases, &canvas)
 		}
 	}