public ActionResult Save(Transfer transfer)
        {
            if (!ModelState.IsValid)
            {
                var viewModel = new TransferFormViewModel(transfer)
                {
                    Genres = _context.Genres.ToList()
                };

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

            if (transfer.Id == 0)
            {
                transfer.DateAdded = DateTime.Now;
                _context.Transfers.Add(transfer);
            }
            else
            {
                var transferInDb = _context.Transfers.Single(m => m.Id == transfer.Id);
                transferInDb.Name          = transfer.Name;
                transferInDb.GenreId       = transfer.GenreId;
                transferInDb.NumberInStock = transfer.NumberInStock;
                transferInDb.ReleaseDate   = transfer.ReleaseDate;
            }

            _context.SaveChanges();

            return(RedirectToAction("Index", "Transfers"));
        }
        public ViewResult New()
        {
            var genres = _context.Genres.ToList();

            var viewModel = new TransferFormViewModel
            {
                Genres = genres
            };

            return(View("TransferForm", viewModel));
        }
        public ActionResult Edit(int id)
        {
            var transfer = _context.Transfers.SingleOrDefault(c => c.Id == id);

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

            var viewModel = new TransferFormViewModel(transfer)
            {
                // Transfer = transfer,
                Genres = _context.Genres.ToList()
            };

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