public async Task <IActionResult> Pay(Payment payment)
{
bool isCardNumberValid = await ValidateCreditCardAsync(payment.CardNumber);
if (!isCardNumberValid)
{
ModelState.AddModelError("CardNumber", "Card number is invalid");
}
Screening screening = context.Screenings.Include(s => s.Movie).SingleOrDefault(s => s.Id == payment.ScreeningId);
Seat seat = context.Seats.SingleOrDefault(s => s.Id == payment.SeatId);
if (!ModelState.IsValid || !isCardNumberValid)
{
return(View("Index", new PaymentViewModel(screening, seat, User.Identity.GetUserId())));
}
SeatScreening seatScreening = context.SeatScreeningMediator.SingleOrDefault(s => s.ScreeningId == payment.ScreeningId && s.SeatId == payment.SeatId);
if (seatScreening != null)
{
// Update seat in db to be occupied so it cannot be booked again
seatScreening.Occupied = true;
// add payment to db
context.Payments.Add(payment);
context.SaveChanges();
// if success, redirect to ThankYou page
return(RedirectToAction("ThankYou", "Payment"));
}
return(Content("Payment was not successful!"));
}
public IActionResult Index()
{
// gets screening and seat from query string in url
int.TryParse(Request.Query["screening"], out int screeningId);
int.TryParse(Request.Query["seat"], out int seatId);
if (screeningId == 0 || seatId == 0)
{
throw new ArgumentNullException("screening or seat are null");
}
Screening screening = context.Screenings.Include(s => s.Movie).SingleOrDefault(s => s.Id == screeningId);
SeatScreening seatScreening = context.SeatScreeningMediator.FirstOrDefault(s => s.ScreeningId == screeningId && s.SeatId == seatId);
Seat seat = context.Seats.SingleOrDefault(s => s.Id == seatScreening.SeatId);
if (screening == null || seat == null)
{
throw new NullReferenceException("screening or seat are not in database");
}
return(View(new PaymentViewModel(screening, seat, User.Identity.GetUserId())));
}