public static TicketReservation CreateTicket(Event pEvent, int ticketQuantity)
{
TicketReservation ticketReservation = new TicketReservation();
ticketReservation.Id = Guid.NewGuid();
ticketReservation.Event = pEvent;
ticketReservation.ExpiryTime = DateTime.Now.AddMinutes(1);
ticketReservation.TicketQuantity = ticketQuantity;
return(ticketReservation);
}
public TicketReservation ReservateTicket(int ticketQuantity)
{
if (!CanReservateTicket(ticketQuantity))
{
throw new ApplicationException("此票不能被预定");
}
TicketReservation reservation = TicketReservationFactory.CreateTicket(this, ticketQuantity);
TicketReservations.Add(reservation);
return(reservation);
}
public TicketPurchase PurchaseTicketWith(Guid reservationId)
{
if (!CanPurchaseTicketWith(reservationId))
{
throw new ApplicationException("此预定票不能被购买");
}
TicketReservation ticketReservation = GetTicketReservationWith(reservationId);
TicketPurchase ticketPurchase = TicketPurchaseFactory.CreateTicket(this, ticketReservation.TicketQuantity);
ticketReservation.HasBeenRedeemed = true;
TicketPurchases.Add(ticketPurchase);
return(ticketPurchase);
}
public string DetermineWhyATicketCannotbePurchasedWith(Guid reservationId)
{
string reservationIssue = "";
if (HasReservationWith(reservationId))
{
TicketReservation reservation = GetTicketReservationWith(reservationId);
if (reservation.HasExpired())
{
reservationIssue = String.Format("Ticket reservation '{0}' has expired", reservationId.ToString());
}
else if (reservation.HasBeenRedeemed)
{
reservationIssue = String.Format("Ticket reservation '{0}' has already been redeemed", reservationId.ToString());
}
}
else
{
reservationIssue = String.Format("There is no ticket reservation with the Id '{0}'", reservationId.ToString());
}
return(reservationIssue);
}