private static void Delete(this MusicDb musicDb, Track track, DeleteContext context)
{
long artistId = track.Work.ArtistId;
foreach (var musicFile in track.MusicFiles.ToArray())
{
musicFile.Track = null;
musicDb.Delete(musicFile, context);
}
var performance = track.Performance;
performance?.Movements.Remove(track);
if (performance?.Movements.Count() == 0)
{
musicDb.Delete(performance, context);
}
var work = track.Work;
work?.Tracks.Remove(track);
if (work?.Tracks.Count() == 0)
{
musicDb.Delete(work, context);
}
musicDb.Tracks.Remove(track);
context.SetModifiedArtistId(artistId);
log.Information($"{context}: Track [T-{track.Id}] deleted: {track.Title}");
}
private static void Delete(this MusicDb musicDb, Performance performance, DeleteContext context)
{
long artistId = performance.Composition.ArtistId;
foreach (var movement in performance.Movements)
{
movement.Performance = null;
// we do not delete movements here because
// a movement is a track and tracks are also in an album
}
performance.Movements.Clear();
var composition = performance.Composition;
composition?.Performances.Remove(performance);
if (composition?.Performances.Count() == 0)
{
musicDb.Delete(composition, context);
}
musicDb.Performances.Remove(performance);
context.SetModifiedArtistId(artistId);
log.Information($"{context}: Performance [P-{performance.Id}] deleted: {performance.Performers}");
}
private static void Delete(this MusicDb musicDb, Work work, DeleteContext context)
{
long artistId = work.ArtistId;
foreach (var track in work.Tracks)
{
track.Work = null;
musicDb.Delete(track, context);
}
var artist = work.Artist;
artist?.Works.Remove(work);
if (artist != null)
{
if (artist.Works.Count() == 0 && artist.Compositions.Count() == 0)
{
musicDb.Delete(artist, context);
}
}
musicDb.Works.Remove(work);
context.SetModifiedArtistId(artistId);
log.Information($"{context}: Work [W-{work.Id}] deleted: {work.Name}");
}
private static void Delete(this MusicDb musicDb, Composition composition, DeleteContext context)
{
long artistId = composition.ArtistId;
foreach (var performance in composition.Performances)
{
performance.Composition = null;
musicDb.Delete(performance, context);
}
composition.Performances.Clear();
musicDb.Compositions.Remove(composition);
var artist = composition.Artist;
artist?.Compositions.Remove(composition);
if (artist != null)
{
if (artist.Works.Count() == 0 && artist.Compositions.Count() == 0)
{
musicDb.Delete(artist, context);
}
}
context.SetModifiedArtistId(artistId);
log.Information($"{context}: Composition [C-{composition.Id}] deleted: {composition.Name}");
}