public ActionResult New()
        {
            var viewModel = new GamesFormViewModel
            {
                Game = new Game()
            };

            return(View("GameForm", viewModel));
        }
        public ActionResult Edit(int id)
        {
            var game = _context.Games.SingleOrDefault(c => c.Id == id);

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

            var viewModel = new GamesFormViewModel
            {
                Game = game
            };

            return(View("GamesForm", viewModel));
        }
        public ActionResult Save(Game game)
        {
            if (!ModelState.IsValid)
            {
                var viewModel = new GamesFormViewModel
                {
                    Game = game
                };
                return(View("GameForm", viewModel));
            }

            if (game.Id == 0)
            {
                _context.Games.Add(game);
            }
            else
            {
                var gameInDb = _context.Games.Single(c => c.Id == game.Id);

                gameInDb.Name = game.Name;
            }
            _context.SaveChanges();
            return(RedirectToAction("Index"));
        }