public void UpdateParkingInvoice(IVehicle vehicle, double amount)
{
var invoiceToUpdate =
_parkingInvoices.FirstOrDefault(i => i.VehicleRegistrationNumber.Equals(vehicle.RegistrationNumber));
if (invoiceToUpdate == null)
{
invoiceToUpdate = new ParkingInvoice(vehicle.RegistrationNumber, 0.0);
_parkingInvoices.Add(invoiceToUpdate);
}
invoiceToUpdate.InvoiceAmount += amount;
_totalInvoicedAmount += amount;
}
public void AddParkingInvoice(IVehicle vehicle, double amount)
{
var invoice = new ParkingInvoice(vehicle.RegistrationNumber, amount);
_parkingInvoices.Add(invoice);
_totalInvoicedAmount += amount;
}
