public decimal GetTrainStationWayPrice(TrainStationWay TrainStationWay, SeatTypeConfig SeatType, ContractUserType TicketUserType = ContractUserType.Adult)
{
if (TrainStationWay == null)
{
throw new ArgumentNullException("TrainStationWay");
}
decimal price = 0;
decimal decutPrice = 0;
var list = TrainTicketPrices.Where(o => o.StartTrainStation >= TrainStationWay.StartTrainStation && o.EndTrainStation <= TrainStationWay.EndTrainStation);
foreach (var item in list)
{
var trainSeatPrices = item.TrainSeatPrices.Where(o => o.SeatType == SeatType).FirstOrDefault();
if (trainSeatPrices == null)
{
throw new Exception($"车次{Code} {item}未配置{SeatType.Name}座位类型");
}
price += trainSeatPrices.Price;
if (TicketUserType == ContractUserType.Children)
{
decutPrice += trainSeatPrices.Price / 2;
}
if (TicketUserType == ContractUserType.Student)
{
var defaultTrainSeatPrice = item.TrainSeatPrices.Where(o => o.IsDefault).FirstOrDefault();
if (defaultTrainSeatPrice == null)
{
throw new Exception($"车次{Code} {item}");
}
decutPrice += defaultTrainSeatPrice.Price;
}
}
price -= decutPrice;
//待处理学生价格
return(price);
}
public (bool, string, TrainOrder) BookTrainTicket(TrainShift TrainShift, TrainStation StartTrainStation, TrainStation EndTrainStation, IList <SeatTypeConfig> SeatTypes, CustomerInfo CustomerInfo, IList <UserContract> UserContracts)
{
if (StartTrainStation == null)
{
throw new ArgumentNullException("StartTrainStation");
}
if (!StartTrainStation.IsSale)
{
throw new ArgumentNullException($"{StartTrainStation} is Not Sale");
}
if (EndTrainStation == null)
{
throw new ArgumentNullException("EndTrainStation");
}
if (SeatTypes == null)
{
throw new ArgumentNullException("SeatTypes");
}
if (UserContracts == null || UserContracts.Count == 0)
{
throw new ArgumentNullException("UserContract");
}
if (UserContracts.Count(o => o.UserType != ContractUserType.Children) == 0)
{
throw new Exception("儿童不能单独买票");
}
if (StartTrainStation.Order > EndTrainStation.Order)
{
throw new ArgumentNullException("StartTrainStation same EndTrainStation Order");
}
if (StartTrainStation.Order > EndTrainStation.Order)
{
var temp = StartTrainStation;
StartTrainStation = EndTrainStation;
EndTrainStation = temp;
}
var trainStationWay = new TrainStationWay(StartTrainStation, EndTrainStation);
IList <Seat> seats = isMatchSeats(TrainShift, StartTrainStation, EndTrainStation, SeatTypes);
//匹配优先在同一车厢
if (seats == null || seats.Count == 0)
{
seats = TrainShift.ExtraSeatInfos.Select(o => o.Seat).Where(o => SeatTypes.Contains(o.SeatType)).GroupBy(o => o.TrainCarriage).Where(o => o.Count() >= UserContracts.Count).FirstOrDefault().Take(UserContracts.Count).ToList();
if (seats == null)
{
seats = TrainShift.ExtraSeatInfos.Select(o => o.Seat).Where(o => SeatTypes.Contains(o.SeatType)).Take(UserContracts.Count).ToList();
if (seats == null || seats.Count < UserContracts.Count)
{
throw new Exception("余票不足，建议单独购买");
}
}
}
else if (seats.Count < UserContracts.Count)
{
foreach (var item in seats)
{
seats = seats.Union(TrainShift.ExtraSeatInfos.Select(o => o.Seat).Where(o => SeatTypes.Contains(o.SeatType) && o.TrainCarriage == item.TrainCarriage).Take(UserContracts.Count - seats.Count).ToList()).ToList();
if (seats.Count == UserContracts.Count)
{
break;
}
}
if (seats.Count < UserContracts.Count)
{
seats = seats.Union(TrainShift.ExtraSeatInfos.Select(o => o.Seat).Where(o => SeatTypes.Contains(o.SeatType)).Take(UserContracts.Count - seats.Count).ToList()).ToList();
if (seats.Count < UserContracts.Count)
{
throw new Exception("余票不足，建议单独购买");
}
}
}
else
{
seats = seats.GroupBy(o => o.TrainCarriage).Where(o => o.Count() >= UserContracts.Count).FirstOrDefault().Take(UserContracts.Count).ToList();
if (seats == null || seats.Count == 0)
{
seats = seats.Take(UserContracts.Count).ToList();
}
}
if (seats == null || UserContracts.Count > seats.Count)
{
throw new Exception("余票不足");
}
IList <TrainOrderItem> trainOrderItems = new List <TrainOrderItem>();
for (int i = 0; i < seats.Count; i++)
{
var seat = seats[i];
var userContract = UserContracts[i];
var b = TrainShift.ExtraSeatInfos.Remove(new ExtraSeatInfo(TrainShift, seat));
new FreezeSeatInfo(TrainShift, new DestinationSeat(seat, new List <TrainStationWay>()
{
trainStationWay
}));
new FreezeSeatInfo(TrainShift, new DestinationSeat(seat, new List <TrainStationWay>()
{
trainStationWay
}));
var price = TrainShift.TrainNumber.GetTrainStationWayPrice(trainStationWay, seat.SeatType);
TrainOrderItem trainOrderItem = new TrainOrderItem(seat, userContract, price);
trainOrderItems.Add(trainOrderItem);
}
TrainOrder trainOrder = new TrainOrder(trainStationWay.StartTrainStation, trainStationWay.EndTrainStation, CustomerInfo, trainOrderItems);
return(true, "预定成功", trainOrder);
}