public void AddCar(Car car)
{
if (car == null)
{
throw new ArgumentNullException(String.Format("Input '{0}' argumet was null!", nameof(car)));
}
if (!CarsList.Any(c => c.Id == car.Id))
{
CarsList.Add(car);
}
else
{
throw new ArgumentException(String.Format("The parking already contains a car with '{0}' description! Choose another one and try again!", car.Id));
}
}
public void RemoveCar(Car car)
{
if (car == null)
{
throw new ArgumentNullException(String.Format("Input '{0}' argument was null!", nameof(car)));
}
if (CarsList.Any(c => c.Id == car.Id))
{
if (car.Balance > 0)
{
CarsList.Remove(car);
}
else
{
throw new InvalidOperationException("This car's balance is less than 0. Please, top up an account and try again!");
}
}
else
{
throw new ArgumentException("There no such car on the parking!");
}
}