/// <summary>
/// Clear the contents of the specified library
/// </summary>
/// <param name="libraryToClear"></param>
/// <returns></returns>
public static void ClearLibrary(Library libraryToClear)
{
int libId = libraryToClear.Id;
// Delete all the artists in the library and their associated ArtistAlbum entries
List <Artist> artists = Artists.ArtistCollection.Where(art => art.LibraryId == libId).ToList();
Artists.DeleteArtists(artists);
ArtistAlbums.DeleteArtistAlbums(
ArtistAlbums.ArtistAlbumCollection.Where(artAlb => artists.Any(art => art.Id == artAlb.ArtistId)).Distinct().ToList());
// Delete all the albums in the library and any tags associated with them
List <Album> albums = Albums.AlbumCollection.Where(alb => alb.LibraryId == libId).ToList();
Albums.DeleteAlbums(albums);
// We can use the FilterManagementController to carry out the Tag deletions.
new AlbumsDeletedMessage()
{
DeletedAlbumIds = albums.Select(alb => alb.Id).ToList()
}.Send();
// Delete all the user playlists and thier contents
Playlists.GetPlaylistsForLibrary(libId).ForEach(play => Playlists.DeletePlaylist(play));
// Delete the contents of the NowPlayingList but keep the playlist itself
Playlist nowPlaying = Playlists.GetNowPlayingPlaylist(libId);
nowPlaying.Clear();
nowPlaying.SongIndex = -1;
// Delete all the songs in each of the sources associated with the library
List <Source> sources = Sources.GetSourcesForLibrary(libId);
foreach (Source source in sources)
{
Songs.DeleteSongs(Songs.GetSourceSongs(source.Id));
source.Songs = null;
}
}
/// <summary>
/// Called during startup, or library change, when the storage data is available
/// </summary>
/// <param name="message"></param>
private static async void StorageDataAvailable()
{
// Save the libray being used locally to detect changes
PlaylistsViewModel.LibraryId = ConnectionDetailsModel.LibraryId;
// Get the Playlists and playlist names. Make sure a copy of the list is used as we're going to sort it
PlaylistsViewModel.Playlists = Playlists.GetPlaylistsForLibrary(PlaylistsViewModel.LibraryId).ToList();
PlaylistsViewModel.PlaylistNames = PlaylistsViewModel.Playlists.Select(i => i.Name).ToList();
// To generate the data to be displayed the Playlists need to be sorted. Not a simple sort of course, but the SongPlaylists followed by the
// AlbumPlaylists
await Task.Run(() =>
{
PlaylistsViewModel.AlbumPlaylists.Clear();
PlaylistsViewModel.SongPlaylists.Clear();
foreach (Playlist playlist in PlaylistsViewModel.Playlists)
{
if (playlist is SongPlaylist songPlaylist)
{
PlaylistsViewModel.SongPlaylists.Add(songPlaylist);
}
else
{
PlaylistsViewModel.AlbumPlaylists.Add(( AlbumPlaylist )playlist);
}
}
// Sort the playlists by name
PlaylistsViewModel.SongPlaylists.Sort((a, b) => a.Name.CompareTo(b.Name));
PlaylistsViewModel.AlbumPlaylists.Sort((a, b) => a.Name.CompareTo(b.Name));
// Now copy to the combined list
PlaylistsViewModel.Playlists.Clear();
PlaylistsViewModel.Playlists.AddRange(PlaylistsViewModel.SongPlaylists);
PlaylistsViewModel.Playlists.AddRange(PlaylistsViewModel.AlbumPlaylists);
});
DataReporter?.DataAvailable();
}