Shared file bug fixes, redesigned pin system, new info button

backend/handlers/files.go

@@ -160,6 +160,66 @@ func (h *FSHandler) getFileInfo(c *fiber.Ctx, absPath string) error {
 	return c.JSON(fi)
 }
 
+// GetExtendedFileInfo gets recursive size and file count for info modal
+// GET /api/files/info/*
+func (h *FSHandler) GetExtendedFileInfo(c *fiber.Ctx) error {
+	resolvedPath := c.Locals("resolvedPath").(string)
+	relativePath := c.Locals("relativePath").(string)
+
+	info, err := os.Stat(resolvedPath)
+	if err != nil {
+		return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "file not found"})
+	}
+
+	fi := FileInfo{
+		Name:     info.Name(),
+		Path:     filepath.ToSlash(relativePath),
+		IsDir:    info.IsDir(),
+		Size:     info.Size(),
+		MimeType: mime.TypeByExtension(filepath.Ext(info.Name())),
+		ModTime:  info.ModTime(),
+	}
+
+	var isPinned int
+	var isTrashed int
+	var checksum sql.NullString
+	var createdAt string
+	err = h.DB.QueryRow(
+		"SELECT is_pinned, is_trashed, checksum, created_at FROM files WHERE path = ?",
+		filepath.ToSlash(relativePath),
+	).Scan(&isPinned, &isTrashed, &checksum, &createdAt)
+	
+	if err == nil {
+		fi.IsPinned = isPinned == 1
+		fi.IsTrashed = isTrashed == 1
+		if checksum.Valid {
+			fi.Checksum = checksum.String
+		}
+	}
+
+	fileCount := 0
+	if fi.IsDir {
+		var totalSize int64 = 0
+		filepath.Walk(resolvedPath, func(p string, i os.FileInfo, err error) error {
+			if err != nil {
+				return nil
+			}
+			if !i.IsDir() {
+				totalSize += i.Size()
+				fileCount++
+			}
+			return nil
+		})
+		fi.Size = totalSize
+	}
+
+	return c.JSON(fiber.Map{
+		"info": fi,
+		"file_count": fileCount,
+		"created_at": createdAt,
+	})
+}
+
 // CreateFolder creates a new directory.
 // POST /api/files/mkdir
 func (h *FSHandler) CreateFolder(c *fiber.Ctx) error {