Fix pinned icons, add bulk download, add media metadata

backend/handlers/files.go

@@ -32,9 +32,10 @@ type FileInfo struct {
 	Size      int64     `json:"size"`
 	MimeType  string    `json:"mime_type"`
 	IsPinned  bool      `json:"is_pinned"`
-	IsTrashed bool      `json:"is_trashed"`
-	ModTime   time.Time `json:"mod_time"`
-	Checksum  string    `json:"checksum,omitempty"`
+	IsTrashed bool                   `json:"is_trashed"`
+	ModTime   time.Time              `json:"mod_time"`
+	Checksum  string                 `json:"checksum,omitempty"`
+	Metadata  map[string]interface{} `json:"metadata,omitempty"`
 }
 
 type FolderNode struct {
@@ -280,10 +281,28 @@ func (h *FSHandler) GetExtendedFileInfo(c *fiber.Ctx) error {
 			return nil
 		})
 		fi.Size = totalSize
+		return c.JSON(fiber.Map{
+			"info":       fi,
+			"file_count": fileCount,
+			"created_at": createdAt,
+		})
+	}
+
+	// For files, attempt to get media metadata
+	cat := categorizeFile(filepath.Ext(info.Name()))
+	if cat == "images" || cat == "videos" || cat == "audio" {
+		cmd := exec.Command("exiftool", "-json", resolvedPath)
+		output, err := cmd.Output()
+		if err == nil {
+			var meta []map[string]interface{}
+			if err := json.Unmarshal(output, &meta); err == nil && len(meta) > 0 {
+				fi.Metadata = meta[0]
+			}
+		}
 	}
 
 	return c.JSON(fiber.Map{
-		"info": fi,
+		"info":       fi,
 		"file_count": fileCount,
 		"created_at": createdAt,
 	})
@@ -679,6 +698,90 @@ func (h *FSHandler) DownloadFolder(c *fiber.Ctx) error {
 	return nil
 }
 
+// DownloadBulk creates and streams a ZIP archive of multiple selected items.
+// POST /api/files/download-bulk
+func (h *FSHandler) DownloadBulk(c *fiber.Ctx) error {
+	var body struct {
+		Paths []string `json:"paths" form:"paths"`
+	}
+	if err := c.BodyParser(&body); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "invalid payload"})
+	}
+
+	if len(body.Paths) == 0 {
+		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "no paths provided"})
+	}
+
+	c.Set("Content-Type", "application/zip")
+	c.Set("Content-Disposition", "attachment; filename=\"download.zip\"")
+
+	c.Context().SetBodyStreamWriter(func(w *bufio.Writer) {
+		zipWriter := zip.NewWriter(w)
+		defer zipWriter.Close()
+
+		for _, p := range body.Paths {
+			fullPath, err := h.resolveSafe(p)
+			if err != nil {
+				continue
+			}
+
+			info, err := os.Stat(fullPath)
+			if err != nil {
+				continue
+			}
+
+			if info.IsDir() {
+				filepath.Walk(fullPath, func(path string, walkInfo os.FileInfo, err error) error {
+					if err != nil {
+						return err
+					}
+					
+					// Make it relative to the parent of the chosen directory
+					relPath, err := filepath.Rel(filepath.Dir(fullPath), path)
+					if err != nil {
+						return err
+					}
+
+					if walkInfo.IsDir() {
+						relPath += "/"
+						_, _ = zipWriter.Create(relPath)
+						return nil
+					}
+
+					zipFile, err := zipWriter.Create(relPath)
+					if err != nil {
+						return err
+					}
+
+					fsFile, err := os.Open(path)
+					if err != nil {
+						return err
+					}
+					defer fsFile.Close()
+
+					_, _ = io.Copy(zipFile, fsFile)
+					return nil
+				})
+			} else {
+				zipFile, err := zipWriter.Create(info.Name())
+				if err != nil {
+					continue
+				}
+
+				fsFile, err := os.Open(fullPath)
+				if err != nil {
+					continue
+				}
+
+				_, _ = io.Copy(zipFile, fsFile)
+				fsFile.Close()
+			}
+		}
+	})
+
+	return nil
+}
+
 // TogglePin pins or unpins a file/folder.
 // POST /api/files/pin
 func (h *FSHandler) TogglePin(c *fiber.Ctx) error {