public Reservation MakeReservation(ReservationRequest request)
{
var train = _trainProvider.GetTrain(request.TrainId);
if (OverCapcity(request, train))
return Reservation.Empty;
if (!train.Coaches.Any(c => c.Available >= request.SeatCount))
return Reservation.Empty;
return new Reservation(request.TrainId, Guid.NewGuid().ToString(), new List<Seat>() { new Seat(null, 0) });
}
public void Test_MakeReservation_Returns_Valid_Reservation_When_Train_Has_Capacity()
{
var trainProvider = new TrainProviderBuilder()
.WithCoach(new CoachBuilder().WithCapacity(100).WithBooked(50).Build()).Build();
var ticketOffice = new TicketOffice(trainProvider);
var request = new ReservationRequest("express_2000", 1);
var result = ticketOffice.MakeReservation(request);
result.BookingId.Should().NotBeNullOrEmpty();
result.TrainId.Should().Be("express_2000");
result.Seats.Should().HaveCount(1);
}
private static bool OverCapcity(ReservationRequest request, Train train)
{
return (double) (train.Booked + request.SeatCount)/train.TotalSeats >= 0.7d;
}