// create a new booking and persist it to our fake database.
public void CreateBooking(CreateBookingRequest request)
{
// not part of the test, but is an example of why
// we use a separate CreateBookingRequest object
// than the domain object Booking itself as parameter
// the request has properties that aren't relevant
// to persist in the data store.
if (!HasPermission(request.RequestedBy))
{
throw new InvalidOperationException("You don't have permission.");
}
// get the price from the price calculator
var totalAmount = priceCalculator.GetPriceForBookingWith(1, 2);
// assume everything is ok with the booking
// usually do more things here
var capturePaymentResult = paymentGateway.CapturePayment(totalAmount);
if (capturePaymentResult == true)
{
repository.AddBooking(new Booking(request.Id));
}
}