IEnumerable <PlaylistSong> IPlaylistRequestHandler.LoadPlaylist(string title)
{
List <PlaylistSong> newSongList = new List <PlaylistSong>();
Database.Playlist loadingPlaylist = GetPlaylistClone(title);
if (loadingPlaylist == null)
{
Console.WriteLine($"Tried to load Playlist \"{title}\"... Not found!");
return(newSongList);
}
if (_currentPlaylist == null)
{
GetCurrentPlaylist();
}
foreach (PlaylistSong song in loadingPlaylist.PlaylistSongs)
{
song.Playlist = _currentPlaylist;
db.PlaylistSongs.Add(song);
newSongList.Add(song);
}
db.SaveChanges();
newSongList.Sort((a, b) => a.Number.CompareTo(b.Number));
return(newSongList);
}
PlaylistSong GetSongData(
Song song,
Artist exclusiveArtist = null,
Recording exclusiveRecording = null)
{
Database.Playlist currentPlaylist = GetCurrentPlaylist();
string playlistName;
if (exclusiveRecording != null)
{
playlistName = $"{exclusiveRecording.Artist.Name} - {exclusiveRecording.Song.Title}";
}
else if (exclusiveArtist != null)
{
playlistName = $"{exclusiveArtist.Name} - {song.Title}";
}
else
{
List <Artist> artists = new List <Artist>(
(from recording in song.Recordings
select recording.Artist).Distinct());
if (artists.Count == 1)
{
playlistName = $"{artists[0].Name} - {song.Title}";
}
else
{
playlistName = $"Various - {song.Title}";
}
}
PlaylistSong newSong = new PlaylistSong(
song: song,
title: playlistName)
{
Playlist = currentPlaylist,
Weight = song.Weight
};
db.PlaylistSongs.Add(newSong);
foreach (PlaylistRecording recording in GetRecordingList(
song: song,
exclusiveArtist: exclusiveArtist,
exclusiveRecording: exclusiveRecording))
{
recording.PlaylistSong = newSong;
db.PlaylistRecordings.Add(recording);
}
return(newSong);
}
void IPlaylistRequestHandler.DeletePlaylist(string title)
{
Database.Playlist playlist =
(from pl in db.Playlists
where pl.Title == title
select pl).FirstOrDefault();
if (playlist == null)
{
return;
}
db.Playlists.Remove(playlist);
db.SaveChanges();
}
void IPlaylistRequestHandler.SavePlaylistAs(string title, IEnumerable <PlaylistSong> songs)
{
//Let's just do the easy thing - kill the whole record and start over
db.Playlists.RemoveRange(from playlist in db.Playlists
where playlist.Title == title
select playlist);
Database.Playlist savePlaylist = new Database.Playlist()
{
Title = title
};
int index = 0;
foreach (PlaylistSong song in songs)
{
PlaylistSong songCopy = new PlaylistSong()
{
Number = index++,
Song = song.Song,
Weight = song.Weight,
Title = song.Title,
Playlist = savePlaylist
};
db.PlaylistSongs.Add(songCopy);
foreach (PlaylistRecording recording in song.PlaylistRecordings)
{
PlaylistRecording recordingCopy = new PlaylistRecording()
{
Title = recording.Title,
Recording = recording.Recording,
Weight = recording.Weight,
PlaylistSong = songCopy
};
db.PlaylistRecordings.Add(recordingCopy);
}
}
db.Playlists.Add(savePlaylist);
db.SaveChanges();
}
private Database.Playlist GetCurrentPlaylist()
{
if (_currentPlaylist != null)
{
return(_currentPlaylist);
}
_currentPlaylist =
(from playlist in db.Playlists
where playlist.Title == "Default"
select playlist).FirstOrDefault();
if (_currentPlaylist == null)
{
_currentPlaylist = new Database.Playlist()
{
Title = "Default"
};
db.Playlists.Add(_currentPlaylist);
db.SaveChanges();
}
return(_currentPlaylist);
}
IEnumerable <PlaylistSong> IPlaylistTransferRequestHandler.GetAlbumData(
Album album,
bool deep)
{
List <PlaylistSong> songData = new List <PlaylistSong>();
try
{
db.Configuration.AutoDetectChangesEnabled = false;
if (deep)
{
foreach (Song song in
(from recording in album.Recordings
orderby recording.DiscNumber, recording.TrackNumber
select recording.Song).Distinct())
{
songData.Add(GetSongData(song: song));
}
}
else
{
Database.Playlist currentPlaylist = GetCurrentPlaylist();
foreach (Recording recording in
from recording in album.Recordings
orderby recording.DiscNumber, recording.TrackNumber
select recording)
{
PlaylistSong newSong = new PlaylistSong(
song: recording.Song,
title: $"{recording.Artist.Name} - {recording.Song.Title}")
{
Playlist = currentPlaylist,
Weight = recording.Weight
};
db.PlaylistSongs.Add(newSong);
PlaylistRecording newRecording = new PlaylistRecording(
recording: recording,
title: $"{recording.Artist.Name} - {recording.Album.Title} - {recording.Title}")
{
Weight = 1.0
};
newRecording.PlaylistSong = newSong;
db.PlaylistRecordings.Add(newRecording);
songData.Add(newSong);
}
}
}
finally
{
db.Configuration.AutoDetectChangesEnabled = true;
}
db.SaveChanges();
return(songData);
}
IEnumerable <PlaylistSong> IPlaylistTransferRequestHandler.GetArtistData(
Artist artist,
bool deep)
{
List <PlaylistSong> artistData = new List <PlaylistSong>();
try
{
db.Configuration.AutoDetectChangesEnabled = false;
Database.Playlist currentPlaylist = GetCurrentPlaylist();
foreach (Song song in
(from recording in artist.Recordings
orderby recording.Song.Title ascending
select recording.Song).Distinct())
{
string playlistName;
if (deep)
{
List <Artist> artists = new List <Artist>(
(from recording in song.Recordings
select recording.Artist).Distinct());
if (artists.Count == 1)
{
playlistName = $"{artists[0].Name} - {song.Title}";
}
else
{
playlistName = $"Various - {song.Title}";
}
}
else
{
playlistName = $"{artist.Name} - {song.Title}";
}
PlaylistSong newSong = new PlaylistSong(
song: song,
title: playlistName)
{
Playlist = currentPlaylist,
Weight = song.Weight
};
db.PlaylistSongs.Add(newSong);
foreach (PlaylistRecording recording in GetRecordingList(
song: song,
exclusiveArtist: deep ? null : artist))
{
recording.PlaylistSong = newSong;
db.PlaylistRecordings.Add(recording);
}
artistData.Add(newSong);
}
}
finally
{
db.Configuration.AutoDetectChangesEnabled = true;
}
db.SaveChanges();
return(artistData);
}
