public ActionResult Save(CustomerMovieRental customerMovieRental)
        {
            if (!ModelState.IsValid)
            {
                var viewModel = new CustomerMovieRentalViewModel
                {
                    CustomerMovieRental = customerMovieRental,
                    Movies = _context.Movies.ToList()
                };
                return(View("CustomerMovieRentalForm", viewModel));
            }
            if (customerMovieRental.Id == 0)
            {
                _context.CustomerMovieRentals.Add(customerMovieRental);
            }

            else
            {
                var customerMovieRentalInDb = _context.CustomerMovieRentals.Single(m => m.Id == customerMovieRental.Id);
                customerMovieRentalInDb.CustomerId = customerMovieRental.CustomerId;
                customerMovieRentalInDb.MovieId    = customerMovieRental.MovieId;
                customerMovieRentalInDb.Checkin    = customerMovieRental.Checkin;
                customerMovieRentalInDb.Checkout   = customerMovieRental.Checkout;
            }


            _context.SaveChanges();
            return(RedirectToAction("Details", "Customers", new { id = customerMovieRental.CustomerId }));
        }
        // GET: CustomerMovie

        public ActionResult CustomerMovieRentalForm(int customerId)
        {
            var viewModel = new CustomerMovieRentalViewModel
            {
                CustomerMovieRental = new CustomerMovieRental()
                {
                    CustomerId = customerId,
                },
                Movies = _context.Movies.ToList()
            };

            return(View("CustomerMovieRentalForm", viewModel));
        }
        public ActionResult Delete(int id)
        {
            var customerMovieRental = _context.CustomerMovieRentals.Include(x => x.Movies).SingleOrDefault(m => m.Id == id);

            if (customerMovieRental == null)
            {
                return(HttpNotFound());
            }
            var viewModel = new CustomerMovieRentalViewModel
            {
                CustomerMovieRentalId = id,
                CustomerMovieRental   = customerMovieRental,
            };

            return(View(viewModel));
        }
        public ActionResult Edit(int id)
        {
            var customerMovieRental = _context.CustomerMovieRentals.SingleOrDefault(c => c.Id == id);

            if (customerMovieRental == null)
            {
                return(HttpNotFound());
            }

            var viewModel = new CustomerMovieRentalViewModel
            {
                CustomerMovieRental = customerMovieRental,
                Movies = _context.Movies.ToList()
            };

            return(View("CustomerMovieRentalForm", viewModel));
        }