public IEnumerable <Track> AddArtistSongsToPlaylist(Artist artist)
{
const int numSongsPerArtist = 3; //TODO: Expose this to the user.
TrackList popularSongs = _client.GetArtistTopTracks(artist);
List <Track> songsToAdd = new List <Track>(numSongsPerArtist);
foreach (Track popularTrack in popularSongs.Tracks)
{
if (!this.ContainsTrack(popularTrack))
{
songsToAdd.Add(popularTrack);
if (songsToAdd.Count >= numSongsPerArtist)
{
break;
}
}
}
if (!songsToAdd.Any())
{
AlbumInfoList albumList = _client.GetArtistAlbums(artist);
foreach (AlbumInfo album in albumList.Items)
{
AlbumTrackList albumTrackList = _client.GetAlbumTracks(album);
IEnumerable <Track> albumTracksByPopularity = albumTrackList.Tracks.OrderByDescending(track => track.Popularity);
foreach (Track albumTrack in albumTracksByPopularity)
{
if (!this.ContainsTrack(albumTrack))
{
songsToAdd.Add(albumTrack);
if (songsToAdd.Count >= numSongsPerArtist)
{
break;
}
}
}
if (songsToAdd.Count >= numSongsPerArtist)
{
break;
}
}
}
_client.AddTracksToPlaylist(_playlist, songsToAdd);
return(songsToAdd);
}