public Task <bool> DoesAccountHaveBalance(CashCard cashCard)
{
var result = _accountRepo.GetAccountBalance(cashCard.AccountNumber);
if (result >= 0.5m)
{
return(Task.FromResult <bool>(true));
}
else
{
return(Task.FromResult <bool>(false));
}
}
public void BuyCan(CashCard cashCard)
{
if (isEmpty())
{
throw new VendingMachineEmptyException();
}
if (!cashCard.HasSufficientFundsFor(PriceOfCan))
{
throw new InsufficientFundsException();
}
cashCard.Deduct(PriceOfCan);
if (isThreadSafe)
{
Interlocked.Decrement(ref _inventory);
}
else
{
_inventory--;
}
}
public Task <bool> Vend(CashCard cashCard, int PinNumber)
{
var isVendingSuccess = false;
// No point proceeding if PIN is incorrect
if (_cardManager.IsAuthorised(cashCard, PinNumber))
{
var isVendingPossible = _inventoryManager.IsVendingPossible();
var doesAccHaveBalance = _accountManager.DoesAccountHaveBalance(cashCard);
if (isVendingPossible.Result && doesAccHaveBalance.Result)
{
var updateAccount = _accountManager.UpdateAccount(cashCard);
var updateInventory = _inventoryManager.UpdateInventory();
if (updateAccount && updateInventory)
{
isVendingSuccess = true;
}
}
}
return(Task.FromResult <bool>(isVendingSuccess));
}
public bool UpdateAccount(CashCard card)
{
throw new NotImplementedException();
}
public bool IsAuthorised(CashCard cashCard, int pin)
{
return(_cashCardRepo.IsAuthorised(cashCard.CardNumber, pin));
}
