public void Checkin(string licensePlate)
{
if (checkedInCars.ContainsKey(licensePlate))
{
Error("Car already checked in");
}
checkedInCars.Add(licensePlate, clock.Now());
Gates.OpenEntranceGate();
}
public void Leave(string licensePlate)
{
if (debt.ContainsKey(licensePlate) && debt[licensePlate] <= 0)
{
debt.Remove(licensePlate);
checkedInCars.Remove(licensePlate);
Gates.OpenExitGate();
}
else
{
Error("Please pay!");
}
}
