public async Task AddNew(StopOperationToken stopToken)
{
List <StorageFolder> folders = await GetStorageFolders();
List <IPlaylist> adds = new List <IPlaylist>();
foreach (StorageFolder folder in folders.OrderBy(f => f.Path))
{
if (stopToken.IsStopped)
{
return;
}
if (Playlists.Any(p => p.AbsolutePath == folder.Path))
{
continue;
}
IPlaylist playlist = new Playlist(folder.Path);
playlist.Parent = Playlists;
await playlist.Reset(stopToken);
if (playlist.Songs.Count > 0)
{
adds.Add(playlist);
}
}
if (stopToken.IsStopped)
{
return;
}
Playlists.Change(null, adds);
}
public async Task Reset(StopOperationToken stopToken)
{
IsPlaying = false;
List <IPlaylist> refreshedPlaylists = new List <IPlaylist>();
List <StorageFolder> folders = await GetStorageFolders();
foreach (StorageFolder folder in await GetStorageFolders())
{
IPlaylist playlist = new Playlist(folder.Path);
playlist.Parent = Playlists;
await playlist.Reset(stopToken);
if (stopToken.IsStopped)
{
return;
}
if (playlist.Songs.Count > 0)
{
refreshedPlaylists.Add(playlist);
}
}
IPlaylistCollection playlists = new PlaylistCollection();
playlists.Change(null, refreshedPlaylists);
if (stopToken.IsStopped)
{
return;
}
Playlists = playlists;
CurrentPlaylist = playlists.FirstOrDefault();
}