2019/05/07 14:34:55 entering folder `/home/senan/music`
2019/05/07 14:34:55 entering folder `/home/senan/music/A Certain Ratio`
2019/05/07 14:34:55 entering folder `/home/senan/music/A Certain Ratio/(1994) The Graveyard and the Ballroom`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/A Certain Ratio/(1994) The Graveyard and the Ballroom`
2019/05/07 14:34:55 entering folder `/home/senan/music/A Certain Ratio/(1981) To Each.`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/A Certain Ratio/(1981) To Each.`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/A Certain Ratio`
2019/05/07 14:34:55 entering folder `/home/senan/music/13th Floor Elevators`
2019/05/07 14:34:55 entering folder `/home/senan/music/13th Floor Elevators/(1966) The Psychedelic Sounds of the 13th Floor Elevators`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/13th Floor Elevators/(1966) The Psychedelic Sounds of the 13th Floor Elevators`
2019/05/07 14:34:55 entering folder `/home/senan/music/13th Floor Elevators/(1967) Easter Everywhere`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/13th Floor Elevators/(1967) Easter Everywhere`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/13th Floor Elevators`
2019/05/07 14:34:55 entering folder `/home/senan/music/Anika`
2019/05/07 14:34:55 entering folder `/home/senan/music/Anika/Hello`
2019/05/07 14:34:55 entering folder `/home/senan/music/Anika/Hello/There`
2019/05/07 14:34:55 entering folder `/home/senan/music/Anika/Hello/There/(2010) Anika`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/Hello/There/(2010) Anika`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/Hello/There`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/Hello`
2019/05/07 14:34:55 entering folder `/home/senan/music/Anika/No Music Here`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/No Music Here`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music`
2019/05/07 14:34:55 scanned in 364.785µs
2019/05/07 14:34:55 cleaned in 106.441µs

2019/05/07 14:34:55 ___ processed folder `/home/senan/music/A Certain Ratio/(1994) The Graveyard and the Ballroom`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/A Certain Ratio/(1981) To Each.`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/A Certain Ratio`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/13th Floor Elevators/(1966) The Psychedelic Sounds of the 13th Floor Elevators`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/13th Floor Elevators/(1967) Easter Everywhere`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/13th Floor Elevators`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/Hello/There/(2010) Anika`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/Hello/There`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/Hello`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika/No Music Here`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music/Anika`
2019/05/07 14:34:55 ___ processed folder `/home/senan/music`
2019/05/07 14:34:55 scanned in 364.785µs
2019/05/07 14:34:55 cleaned in 106.441µs

// handleFolder is for browse by folders, while handleTrack is for both
func handleFolder(fullPath string, stat os.FileInfo) error {
	log.Printf("entering folder `%s`", fullPath)
	return nil
	// this must be run before any tracks so that seenDirs is
	// correct for the coming tracks
	modTime := stat.ModTime()
	folder := db.Folder{
		Path: fullPath,
	}
	// skip if the record exists and hasn't been modified since
	// the last scan
	err := tx.Where(folder).First(&folder).Error
	if !gorm.IsRecordNotFoundError(err) &&
		modTime.Before(folder.UpdatedAt) {
		// even though we don't want to update this record,
		// add it to seenDirs now that we have the id
		seenDirs.Push(folder.ID)
		return nil
	}
	_, folderName := path.Split(fullPath)
	folder.ParentID = seenDirs.Peek()
	folder.Name = folderName
	// save the record with new parent id, then add the new
	// current id to seenDirs
	tx.Save(&folder)
	seenDirs.Push(folder.ID)
	return nil
}