public IActionResult Visit(int ID)
        {
            StoreModel store;

            try {
                store = _repo.GetStore(ID);
            } catch (SqlException e) {
                if (e.Message.Contains("server was not found"))
                {
                    Console.WriteLine("Could not connect to the SQL database");
                    StoreViewModel thisModel = new StoreViewModel();
                    thisModel.ReasonForError = "An internal error has occured. Please return to the main page and try again.";
                    return(View("Error", thisModel));
                }
                throw e;
            }
            if (store == null)
            {
                StoreViewModel thisModel = new StoreViewModel();
                thisModel.ReasonForError = $"A store with an ID of {ID} does not exist. Please enter a different ID from the URL, or select a store from the selection page after logging in.";
                return(View("Error", thisModel));
            }

            List <MenuModel>    items              = _repo.GetMenu(ID);
            List <PizzaModel>   pizzas             = new List <PizzaModel>();
            List <CheckModel>   pizzasToSelectFrom = new List <CheckModel>();
            List <ToppingModel> toppings           = _repo.GetToppings();

            foreach (MenuModel item in items)
            {
                PizzaModel pizza = _repo.GetPizza(item.PizzaID);
                if (pizza == null)
                {
                    Console.WriteLine($"Unknown pizza found with ID {item.PizzaID} from store {item.StoreID} at menu ID {item.ID}");
                    continue;
                }

                string[] temp = pizza.DefaultToppings.Split(',');
                int[]    defaultToppingIDs = new int[temp.Length];
                for (int i = 0; i < temp.Length; i++)
                {
                    if (!int.TryParse(temp[i], out defaultToppingIDs[i]))
                    {
                        Console.WriteLine($"Database error: Expected integer for default topping ID in pizza {pizza.ID}, got {temp[i]}");
                        continue;
                    }
                }

                pizzas.Add(pizza);
                CrustModel         crust            = _repo.GetCrust(pizza.DefaultCrustID);
                ToppingViewModel[] toppingsSelected = new ToppingViewModel[toppings.Count()];
                for (int i = 0; i < toppingsSelected.Length; i++)
                {
                    ToppingModel topping = toppings[i];
                    toppingsSelected[i] = new ToppingViewModel {
                        ID = topping.ID, Name = topping.Name, IsSelected = defaultToppingIDs.Contains(topping.ID)
                    };
                }
                pizzasToSelectFrom.Add(new CheckModel {
                    ID = pizza.ID, Name = pizza.Name, Checked = false, Cost = pizza.Cost, DefaultCrust = crust.ID, SelectedCrust = crust.ID.ToString(), SelectedToppings = toppingsSelected
                });
            }

            List <SelectListItem> crustDropDownOptions = new List <SelectListItem>();

            foreach (CrustModel crust in _repo.GetCrusts())
            {
                crustDropDownOptions.Add(new SelectListItem {
                    Text = crust.Name, Value = crust.ID.ToString()
                });
            }

            StoreViewModel model = new StoreViewModel();

            model.StoreName = store.Name;
            model.Menu      = pizzasToSelectFrom;
            try {
                _ = userLoggedIn; // keeps the session data alive
            } catch (NullReferenceException) {
                // people can view menus if they're not logged in, but not order
            }
            model.Crusts   = crustDropDownOptions;
            model.Toppings = toppings;

            TempData["StoreID"] = store.ID;
            TempData.Keep("StoreID");

            return(View(model));
        }