public PurchaseResponse PurchaseMovie(Customer customer, Movie movie)
{
if (customer.MoviePurchases.Select(r => r.MovieId).Contains(movie.Id))
{
throw new MovieAlreadyPurchasedException("Movie already purchased.");
}
if (!paymentService.Pay(customer, movie))
{
InvalidateCustomerCreditCard(customer);
throw new PaymentFailedException(
$"Payment failed for customer {customer.FullName.ToString()}. " +
"Please check and update your credit card details."
);
}
var moviePurchase = MoviePurchase.Create(customer, movie);
customersRepository.AddMoviePurchase(moviePurchase);
FinishCurrentRentalIfExists(customer, movie);
var movieLinkWithDownload = streamingService.GetMovieStreamWithDownload(movie);
return(new PurchaseResponse(moviePurchase, movieLinkWithDownload));
}
public string WatchMovie(Customer customer, Movie movie)
{
var currentlyRentedMovie = customer.MovieRentals
.FirstOrDefault(mr => mr.MovieId == movie.Id && mr.EndDate > DateTime.Now);
var purchasedMovie = customer.MoviePurchases.FirstOrDefault(m => m.MovieId == movie.Id);
if (currentlyRentedMovie == null && purchasedMovie == null)
{
throw new MovieNotAcquiredException("Movie is not acquired. Please rent or purchase movie and try again.");
}
if (currentlyRentedMovie != null)
{
return(streamingService.GetMovieStream(currentlyRentedMovie.Movie));
}
if (purchasedMovie != null)
{
return(streamingService.GetMovieStreamWithDownload(purchasedMovie.Movie));
}
return(string.Empty);
}