private void OnRunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Error != null)
{
StateChanged?.Invoke(this, new SongPickStateChangedEventArgs("Completed with error", e.Error));
}
else
{
var result = (IEnumerable <Song>)e.Result;
var songs = result.Select((x, i) => new PickedSong(i + 1, x)).ToImmutableArray();
var songPickStateChangedEventArgs = new SongPickStateChangedEventArgs($"Completed successfully playlist with {songs.Length} songs generated", songs);
StateChanged?.Invoke(this, songPickStateChangedEventArgs);
}
}
private void OnSongPickWorkerStateChanged(object sender, SongPickStateChangedEventArgs e)
{
StateMessage = e.Message;
if (e.Error != null)
{
ShowError($"Song pick process failed: {e.Error.Message}.");
PickedSongs.Clear();
}
else if (!e.IsProcessing)
{
PickedSongs = new ObservableCollection <PickedSong>(e.Result);
}
IsProcessing = e.IsProcessing;
}
