public TicketPurchase PurchaseTicketWith(Guid reservationId)
{
if (!CanPurchaseTicketWith(reservationId))
{
throw new ApplicationException("cannot purchase with this id");
}
var reservation = GetReservationWith(reservationId);
TicketPurchase purchase = TicketPurchaseFactory.CreateTicket(this, reservation.TicketQuantity);
reservation.HasBeenRedeemed = true;
this.purchasedTickets.Add(purchase);
return(purchase);
}
public TicketPurchase PurchaseTicketWith(Guid reservationId)
{
if (!CanPurchaseTicketWith(reservationId))
{
throw new ApplicationException(DetermineWhyATicketCannotbePurchasedWith(reservationId));
}
TicketReservation reservation = GetReservationWith(reservationId);
TicketPurchase ticket = TicketPurchaseFactory.CreateTicket(this, reservation.TicketQuantity);
reservation.HasBeenRedeemed = true;
PurchasedTickets.Add(ticket);
return(ticket);
}
/// <summary>
/// 根据预定票的id购买指定票
/// </summary>
/// <param name="reservationId"></param>
/// <returns></returns>
public TicketPurchase PurchaseTicketWith(Guid reservationId)
{
//判断当前id的票是否已经存在于预定票务集合中
if (!CanPurchaseTicketWith(reservationId))
{
//若不存在则抛出一个不能购票的异常
throw new ApplicationException(DetermineWhyATicketCannotbePurchasedWith(reservationId));
}
//若存在则获取该预定的票务对象
TicketReservation reservation = GetReservationWith(reservationId);
//创建购票实例
TicketPurchase ticket = TicketPurchaseFactory.CreateTicket(this, reservation.TicketQuantity);
//并对预定票对象设置其可赎回属性为true
reservation.HasBeenRedeemed = true;
//将购票对象加入购票集合中
PurchasedTickets.Add(ticket);
return(ticket);
}