public Car TakeCar(Ticket ticket)
{
if (ticket.IsValidTicket(this))
{
var car = ParkingCars.Find(
parkingCar => parkingCar.PlateNumber.Equals(ticket.PlateNumber));
ParkingCars.Remove(car);
return(car);
}
throw new Exception("Invalid ticket.");
}
public Ticket ReceiveCar(Car car)
{
ParkingCars.Add(car);
return(new Ticket(Address, car.PlateNumber));
}