public static void MoveSong(int playlistID, int sourceIndex, int destIndex)
{
CPlaylistFile pl = Get(playlistID);
if (pl != null)
{
pl.MoveSong(sourceIndex, destIndex);
}
}
public static void MoveSongInPlaylist(int newPosition, int playlistId, int songId)
{
CPlaylistFile pl = CPlaylists.Get(playlistId);
if (pl == null)
{
throw new ArgumentException("invalid playlistId");
}
if (!PlaylistContainsSong(songId, playlistId))
{
throw new ArgumentException("invalid songId");
}
if (pl.Songs.Count < newPosition)
{
throw new ArgumentException("invalid newPosition");
}
int oldPosition = pl.Songs.FindIndex(s => s.SongID == songId);
pl.MoveSong(oldPosition, newPosition);
pl.Save();
}
