public IReadOnlyCashTransaction MachineBalance()
{
var balance = CashTransaction.Start();
foreach (var key in _billInventory.Keys)
{
balance.Add(key, _billInventory[key]);
}
return(balance);
}
public static IReadOnlyCashTransaction DefaultInventory()
{
var inventory = CashTransaction.Start();
inventory.Add(UnitedStatesTender.HundredDollar, 10);
inventory.Add(UnitedStatesTender.FiftyDollar, 10);
inventory.Add(UnitedStatesTender.TwentyDollar, 10);
inventory.Add(UnitedStatesTender.TenDollar, 10);
inventory.Add(UnitedStatesTender.FiveDollar, 10);
inventory.Add(UnitedStatesTender.OneDollar, 10);
return(inventory);
}
public IReadOnlyCashTransaction InventoryByBills(IReadOnlyList <UnitedStatesTender> bills)
{
var requestedBillCount = CashTransaction.Start();
foreach (var requestedBill in bills)
{
if (_billInventory.ContainsKey(requestedBill))
{
requestedBillCount.Add(requestedBill, _billInventory[requestedBill]);
}
else
{
requestedBillCount.Add(requestedBill, 0);
}
}
return(requestedBillCount);
}