public void AddMoviePurchase(MoviePurchase moviePurchase)
{
if (MoviePurchases.Count > 0 && MoviePurchases.Exists(mp => mp.MovieId == moviePurchase.MovieId))
{
throw new MovieAlreadyPurchasedException("Movie already purchased.");
}
MoviePurchases.Add(moviePurchase);
}
public void AddMovieRental(MovieRental movieRental)
{
if (MoviePurchases.Count > 0 && MoviePurchases.Exists(mp => mp.MovieId == movieRental.MovieId))
{
throw new MovieAlreadyPurchasedException("Movie already purchased.");
}
if (MovieRentals.Count > 0 && MovieRentals.Exists(mp => mp.MovieId == movieRental.MovieId))
{
throw new MovieAlreadyRentedException("Movie already rented.");
}
MovieRentals.Add(movieRental);
}
