public async Task UpdateSong(SongModel song, Action <SongModel> updateAction, CancellationToken cancellationToken)
{
var currentSong = song.CloneShallow();
updateAction(song);
if (!song.IsDeleted)
{
if (song.TreeTitle != currentSong.TreeTitle)
{
await storageRepository.UpdateSongTreeTitle(currentSong, song, cancellationToken);
}
// Checking if storage data (tags) must be updated.
if (song.TrackNumber != currentSong.TrackNumber || song.Title != currentSong.Title ||
!artistsComparer.Equals(song.Artist, currentSong.Artist) || !genresComparer.Equals(song.Genre, currentSong.Genre))
{
await storageRepository.UpdateSong(song, cancellationToken);
}
}
// Update in repository should be performed after update in the storage, because later updates song checksum.
await songsRepository.UpdateSong(song, cancellationToken);
}
