public void RemoveMovieList(MovieList ml)
{
if (MovieLists == null)
{
throw new Exception("List of MovieLists is null");
}
if (!MovieLists.Contains(ml))
{
throw new Exception("Movie list was not found");
}
else
{
MovieLists.Remove(ml);
}
}
public void AddMovieList(MovieList ml)
{
if (MovieLists == null)
{
throw new Exception("List of MovieLists is null");
}
if (MovieLists.Contains(ml))
{
throw new Exception("User already has this list of movies in their library");
}
else
{
MovieLists.Add(ml);
}
}