dont insert if no need

scanback

@@ -0,0 +1,39 @@
+
+func handleFolderForFolder(fullPath string, stat os.FileInfo) {
+	// update folder table for browsing by folder
+	modTime := stat.ModTime()
+	var folder db.Folder
+	err := tx.Where("path = ?", fullPath).First(&folder).Error
+	if !gorm.IsRecordNotFoundError(err) &&
+		modTime.Before(folder.UpdatedAt) {
+		// we found the record but it hasn't changed
+		currentDirStack.Push(&folder)
+		return
+	}
+	_, folderName := path.Split(fullPath)
+	folder.Path = fullPath
+	folder.ParentID = currentDirStack.PeekID()
+	folder.Name = folderName
+	tx.Save(&folder)
+	currentDirStack.Push(&folder)
+}
+
+func handleFolderForAlbum(fullPath string, stat os.FileInfo) {
+	// update album table (the currentAlbum record will be updated when
+	// we exit this folder)
+	err := tx.Where("path = ?", fullPath).First(&currentAlbum).Error
+	if !gorm.IsRecordNotFoundError(err) {
+		// we found the record
+		// TODO: think about mod time here
+		return
+	}
+	currentAlbum = db.Album{Path: fullPath}
+	fmt.Println("SAVING", fullPath, err)
+	tx.Save(&currentAlbum)
+}
+
+func handleFolder(fullPath string, stat os.FileInfo) error {
+	handleFolderForAlbum(fullPath, stat)
+	handleFolderForFolder(fullPath, stat)
+	return nil
+}