public async Task <IActionResult> AddNumberOfPeople(int?bookingId)
{
//if brochureId is null, redirect to browse brochures page
if (bookingId == null)
{
return(RedirectToAction(nameof(BrochureController.Browse)));
}
//get the booking from the database
var booking = await _context.Bookings
.Where(b => b.BookingId == bookingId)
.Include(b => b.Brochure)
.FirstOrDefaultAsync();
//populate the model and inject into the page
AddNumberOfPeopleViewModel model = new AddNumberOfPeopleViewModel
{
BookingId = (int)bookingId,
PeopleAdded = 1,
ErrorMessage = "",
MaxPeople = booking.Brochure.MaxPeople
};
return(View(model));
}
public async Task <IActionResult> AddNumberOfPeople(AddNumberOfPeopleViewModel model)
{
//get booking from database
var booking = await _context.Bookings.FindAsync(model.BookingId);
//if booking is not empty
if (booking != null)
{
//get brochure from database
var brochure = await _context.Brochures.FindAsync(booking.BrochureId);
if (model.PeopleAdded < 1)
{
model.ErrorMessage = "Please enter a positive whole number";
return(View(model));
}
if (model.PeopleAdded > brochure.MaxPeople)
{
model.ErrorMessage = "Too many people";
return(View(model));
}
//updating the total price of the booking
booking.TotalPrice = brochure.PricePerPerson * model.PeopleAdded;
_context.Bookings.Update(booking);
await _context.SaveChangesAsync();
//redirect to AddPeople action
return(RedirectToAction(nameof(PersonController.AddPeople), new { bookingId = model.BookingId, numberOfPeople = model.PeopleAdded }));
}
//on fail, return the page
return(RedirectToAction(nameof(AddNumberOfPeople), new { bookingId = model.BookingId }));
}
