getTracksByPlaylistId method
Returns track
s from a given spotify playlistId
Implementation
Pages<Track> getTracksByPlaylistId(playlistId) {
// restricting the return items to `track`
final query = _buildQuery({'additional_types': 'track'});
return _getPages('v1/playlists/$playlistId/tracks?$query',
(json) => Track.fromJson(json['track']));
}