public IPlaylistContentProvider GetPlaylistContentProvider(PlaylistPlaceholder playlist)
{
lock (_playlistContentProviders)
{
return _playlistContentProviders.GetOrAddValue(playlist, a => new PlaylistContentProvider(a));
}
}
public async Task AddCustomPlaylist(string name)
{
var newPlaylist = new PlaylistPlaceholder
{
Key = Guid.NewGuid(),
Name = name
};
_customPlaylists.Add(newPlaylist);
_playlistIndexFile.PlaylistIndex.Playlists.Add(newPlaylist);
await _playlistIndexFile.Save();
}
private static void HandleNullModel(ref Primitives.Playlist model, PlaylistPlaceholder placeholder)
{
if (model == null)
{
if (placeholder.Key == Primitives.Playlist.MusicLibraryPlaylistKey)
model = Primitives.Playlist.CreateMusicLibrary();
else
model = new Primitives.Playlist
{
Key = placeholder.Key,
Version = PlaylistVersions.Current
};
}
}
public static async Task<PlaylistFile> OpenAsync(PlaylistPlaceholder placeholder)
{
Primitives.Playlist model = null;
try
{
var file = await OpenPlaylistFile(placeholder);
model = JsonConvert.DeserializeObject<Primitives.Playlist>(await FileIO.ReadTextAsync(file));
}
catch (Exception ex)
{
Debug.WriteLine(ex.Flatten());
}
HandleNullModel(ref model, placeholder);
return new PlaylistFile(model);
}
private static async Task<StorageFile> OpenPlaylistFile(PlaylistPlaceholder placeholder)
{
var folder = await ApplicationData.Current.RoamingFolder.CreateFolderAsync(PlaylistFolder, CreationCollisionOption.OpenIfExists);
return await folder.CreateFileAsync($"{placeholder.Key.ToString("N")}.json", CreationCollisionOption.OpenIfExists);
}
private async Task OpenPlaylist(PlaylistPlaceholder playlist)
{
_playlistFile = await PlaylistFile.OpenAsync(playlist);
_watchedProvider = new WatchedPlaylistProvider(_playlistFile.Playlist);
IsRefreshing = _watchedProvider.IsRefreshing;
_watchedProvider.PropertyChanged += _watchedProvider_PropertyChanged;
}
public PlaylistContentProvider(PlaylistPlaceholder playlist)
{
Tracks = new ReadOnlyObservableCollection<TrackInfo>(_tracks);
_openPlaylistTask = OpenPlaylist(playlist);
LoadContent();
}