public RentResponse RentMovie(Customer customer, Movie movie)
{
if (customer.MovieRentals.FirstOrDefault(r => r.MovieId == movie.Id && r.EndDate > DateTime.Now) != null)
{
throw new MovieAlreadyRentedException("Movie already rented.");
}
if (customer.MoviePurchases.Select(r => r.MovieId).Contains(movie.Id))
{
throw new MovieAlreadyPurchasedException("Movie already purchased.");
}
if (!paymentService.Rent(customer))
{
InvalidateCustomerCreditCard(customer);
throw new PaymentFailedException(
$"Payment failed for customer {customer.FullName.ToString()}. " +
"Please check and update your credit card details."
);
}
var movieRental = MovieRental.Create(customer, movie, DateTime.Now.AddDays(RentalDays));
customersRepository.AddMovieRental(movieRental);
var movieStream = streamingService.GetMovieStream(movie);
return(new RentResponse(movieRental, movieStream));
}