public async Task RemoveSongFromPlaylist(
[Summary("The name of the playlist to delete or delete a song from.")] string playlistName,
[Summary("The index of the song in the playlist to delete (obtain with `!radio list <playlist-name>` command). If not given, delete the entire playlist.")] int index = -1)
{
if (string.IsNullOrEmpty(playlistName))
{
await ReplyAsync("Please provide a playlist name.");
return;
}
if (index == -1)
{
//delete the playlist if no song specified
await _service.DeleteRadioPlaylist(Context.Message.Author, playlistName);
return;
}
await _service.DeleteRadioSong(Context.Message.Author, playlistName, index);
}