public FlightReservationCancelled Cancel(CancelFlightReservation cmd)
{
if (_cancelled)
{
throw new InvalidOperationException("Reservation already cancelled");
}
var evt = new FlightReservationCancelled
{
Localizer = cmd.Localizer
};
Apply(evt);
return(evt);
}
void Apply(FlightReservationCancelled evt)
{
_cancelled = true;
}
public void On(FlightReservationCancelled cancelled)
{
var resv = _reservations.Single(c => c.Localizer == cancelled.Localizer);
_reservations.Remove(resv);
}