public bool Dispense(string itemToDispense, VmCoinValidator validator, VmCoinBank coinBank, VmFoodSlot foodSlot, VmDisplay display)
{
int currentTransactionTotal = validator.GetCurrentTransactionTotal();
if (itemToDispense == SODA_STRING && _soda.Count == 0 || itemToDispense == CHIPS_STRING && _chips.Count == 0 ||
itemToDispense == CANDY_STRING && _candy.Count == 0)
{
display.SoldOutMessage();
return(false);
}
if (itemToDispense == SODA_STRING && currentTransactionTotal < SODA_COST)
{
display.PriceMessage(SODA_COST);
return(false);
}
if (itemToDispense == CHIPS_STRING && currentTransactionTotal < CHIPS_COST)
{
display.PriceMessage(CHIPS_COST);
return(false);
}
if (itemToDispense == CANDY_STRING && currentTransactionTotal < CANDY_COST)
{
display.PriceMessage(CANDY_COST);
return(false);
}
switch (itemToDispense)
{
case SODA_STRING:
DispenseSoda(currentTransactionTotal, coinBank, foodSlot, itemToDispense, display);
display.ThankYouMessage();
validator.CompleteTransaction();
return(true);
case CHIPS_STRING:
DispenseChips(currentTransactionTotal, coinBank, foodSlot, itemToDispense, display);
display.ThankYouMessage();
validator.CompleteTransaction();
return(true);
case CANDY_STRING:
DispenseCandy(currentTransactionTotal, coinBank, foodSlot, itemToDispense, display);
display.ThankYouMessage();
validator.CompleteTransaction();
return(true);
default:
return(false);
}
}
public void ShowMainUi()
{
if (!Console.IsOutputRedirected)
{
Console.Clear();
}
Console.WriteLine("");
Console.WriteLine("");
Console.WriteLine("______________________VENDING MACHINE_______________________");
Console.WriteLine("| (I) Insert Coin (R) Refund |");
Console.WriteLine("| |");
Console.WriteLine("| (S) Soda: 1.00 (H) Chips: .50 (C) Candy: .65 |");
Console.WriteLine("| |");
Console.WriteLine("| (T) Take Item (" + _foodSlot.GetListOfItemsInSlot().Count + " items) (N) Coin Return (" + _coinReturn.CheckReturn().Count + " items) |");
Console.WriteLine("____________________________________________________________");
Console.WriteLine("");
if (_coinValidator.GetCurrentTransactionTotal() > 0)
{
_display.CurrentTotalMessage(_coinValidator.GetCurrentTransactionTotal());
}
else if (!_coinBank.CanMakeChange())
{
_display.ExactChangeMessage();
}
else
{
_display.InsertCoinMessage();
}
Console.WriteLine("Enter the letter of the item you wish to access");
Console.WriteLine("-OR-");
Console.WriteLine("Enter 'Display' at any time to check the display, or 'E' to Exit.");
_showMainUiWasCalled = true;
_entry = _console.ReadLine();
switch (_entry)
{
case ("I"):
ShowInsertCoinUi();
break;
case ("R"):
_coinSlot.GiveRefund();
ShowCoinReturnUi();
break;
case ("S"):
case ("H"):
case ("C"):
if (_foodDispenser.Dispense(_entry, _coinValidator, _coinBank, _foodSlot, _display))
{
Console.WriteLine("You hear a *thunk* as an item lands in the Food Slot.");
ShowFoodSlotUi();
}
else
{
Console.WriteLine("Nothing happens.");
ShowRedirectUi();
}
break;
case ("T"):
ShowFoodSlotUi();
break;
case ("N"):
ShowCoinReturnUi();
break;
case ("DISPLAY"):
ShowDisplayUi();
break;
case ("E"):
break;
default:
if (!Console.IsOutputRedirected)
{
InvalidInput();
}
break;
}
}
public void DetermineChange()
{
_validator.GetCurrentTransactionTotal();
}