public Train(TrainId trainId, List <Seat> seats)
{
TrainId = trainId;
Seats = seats;
Coaches = seats.GroupBy(x => x.CoachName).ToDictionary(x => x.Key, x => new Coach(x));
}
public async Task <Reservation> ReserveAsync(TrainId trainId, SeatsRequested seatsRequested)
{
// get the train
var train = await _trainDataService.GetTrain(trainId);
if (train.MustNotExceedTrainCapacity(seatsRequested))
{
var reservationAttenpt = train.BuildReservationAttempt(seatsRequested);
if (reservationAttenpt.IsFulFilled())
{
var bookingRef = await _bookingReference.GetBookingReference();
reservationAttenpt.AssignBookingReference(bookingRef);
await _trainDataService.ReserveAsync(reservationAttenpt);
return(reservationAttenpt.Confirm());
}
}
return(new ReservationFailure(train.TrainId));
}
public ReservationAttempt(TrainId trainId, SeatsRequested seatsRequested, List <Seat> seats)
{
TrainId = trainId;
SeatsRequested = seatsRequested;
Seats = seats;
}
public ReservationFailure(TrainId trainId)
: base(trainId, string.Empty, new List <Seat>())
{
}
public Reservation(TrainId trainId, string bookingReference, List <Seat> seats)
{
TrainId = trainId;
BookingReference = bookingReference;
Seats = seats;
}
