ocr is working

backend/repository/resources.go

@@ -254,6 +254,21 @@ func (r *Resources) GetFileVisible(userID, resourceID string) (FileRow, error) {
 	return file, err
 }
 
+// GetResourceOwner returns the owning user_id of any resource (file or folder).
+// No-rows → ErrNotFound.
+func (r *Resources) GetResourceOwner(resourceID string) (string, error) {
+	var ownerID string
+	err := r.DB.QueryRow(
+		`SELECT user_id FROM resources
+		 WHERE resource_id = $1 AND deleted_at IS NULL`,
+		resourceID,
+	).Scan(&ownerID)
+	if errors.Is(err, sql.ErrNoRows) {
+		return "", ErrNotFound
+	}
+	return ownerID, err
+}
+
 // DeleteFile soft-deletes the file (deleted_at), returning its id.
 func (r *Resources) DeleteFile(ownerID, resourceID string) (string, error) {
 	result, err := r.DB.Exec(