public ActionResult Purchase(int row, int col)
{
StatusViewModel result = null;
try
{
var item = _vm.PurchaseItem(row, col);
result = new StatusViewModel(eStatus.Success, item.Category.Noise);
}
catch (Exception ex)
{
result = new StatusViewModel(eStatus.Error, ex.Message);
}
var jsonResult = Json(result);
return(GetAuthenticatedJson(jsonResult, _vm.Role.IsCustomer || _vm.Role.IsServiceman || _vm.Role.IsExecutive));
}
private static void BuyItemByIndex(IVendingMachine machine, int index)
{
int numberOfItemsThatCanBePurchased = machine.HowManyItemsCanBeBought(index);
string nameOfItem = machine.GetCurrentCatalogue()[index].GetItemType().Name;
if (numberOfItemsThatCanBePurchased == 0)
{
Console.WriteLine($"You don't have balance to purchase any {nameOfItem}! Please top up balance from Main Menu");
GoBackToMainMenu(machine);
}
else
{
Console.WriteLine($"You can at most buy {numberOfItemsThatCanBePurchased} with your balance of ${machine.GetWalletBalance()}.");
Console.WriteLine("How many do you want to buy?");
string input = Console.ReadLine();
if (IsResponseInteger(input))
{
int responseInt = GetResponseInteger(input);
if (responseInt > 0 && responseInt <= numberOfItemsThatCanBePurchased)
{
List <IItem> items = machine.PurchaseItem(index, responseInt);
Console.WriteLine($"Congratulations! You purchased {responseInt} {nameOfItem}");
DisplayCurrentCatalogue(machine);
GoBackToMainMenu(machine);
}
else
{
Console.WriteLine("Wrong Input");
GoBackToMainMenu(machine);
}
}
else
{
Console.WriteLine("Wrong Input");
GoBackToMainMenu(machine);
}
}
}
private void DisplayPurchaseMenu()
{
while (true)
{
PrintTitle();
Console.WriteLine(" (1) Insert money");
Console.WriteLine(" (2) Make a selection");
Console.WriteLine(" (3) Finish Transaction");
Console.WriteLine(" (R) Return to Main Menu");
Console.WriteLine();
Console.WriteLine($" Current balance: {_vm.RunningTotal.ToString("C")}");
Console.Write(" Please make a choice: ");;
string choice = Console.ReadLine().ToLower();
Console.WriteLine();
if (choice == Option_InsertMoney)
{
Console.Write(" How much money do you want to enter? ($1, $2, $5, $10): ");
int moneyIn = int.Parse(Console.ReadLine());
_vm.FeedMoney(moneyIn);
}
else if (choice == Option_MakeSelection)
{
PrintTitle();
Console.WriteLine($" Current balance: {_vm.RunningTotal.ToString("C")}");
DisplayInventory();
Console.WriteLine();
Console.Write(" Please select a slot id: ");
string slot = Console.ReadLine().ToUpper();
Console.WriteLine();
try
{
int col = int.Parse(slot[0].ToString());
int row = int.Parse(slot[1].ToString());
var purchasedItem = _vm.PurchaseItem(row, col);
Console.WriteLine(" Here are your " + purchasedItem.Product.Name);
Console.WriteLine(" " + purchasedItem.Category.Noise);
}
catch (InvalidProductSelection)
{
Console.WriteLine("Invalid slot id");
}
catch (InsufficientFundsException)
{
Console.WriteLine("Insufficient funds");
}
catch (SoldOutException)
{
Console.WriteLine("Product is sold out");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.WriteLine();
Console.WriteLine(" Thank you for using Vendo-Matic!");
Console.ReadKey();
}
}
else if (choice == Option_ReturnChange)
{
DisplayReturnedChange();
Console.ReadKey();
}
else if (choice == Option_ReturnToPreviousMenu)
{
Console.WriteLine(" Returning to previous menu. ");
Console.ReadKey();
return;
}
else
{
DisplayInvalidOption();
}
}
}
