public LotteryTicketModel SellLottery(LotteryBuyer lotteryBuyer, LotteryType lotteryType)
{
var issue = GetlatestIssue();
if (issue == null)
{
throw new Exception("没有找到本期数据。");
}
if (issue.Stat != (int)IssueStat.Establish)
{
throw new Exception("本期已经结束。");
}
var buyerIssue = _buyerIssueRepository.Table.Where(bi => bi.BuyerId == lotteryBuyer.Id && bi.IssueId == issue.Id).FirstOrDefault();
if (buyerIssue == null)
{
buyerIssue = new BuyerIssue()
{
BuyerId = lotteryBuyer.Id,
IssueId = issue.Id,
PurchaseQuantity = 0
};
_buyerIssueRepository.Insert(buyerIssue);
}
buyerIssue.PurchaseQuantity = buyerIssue.PurchaseQuantity + 1;
LotteryTicketModel model = SendLotteryTicket(buyerIssue, issue, (int)lotteryType);
return(model);
}
private LotteryTicketModel SendLotteryTicket(BuyerIssue buyerIssue, LotteryIssue lotteryIssue, int sellType)
{
if (lotteryIssue.Stat != (int)IssueStat.Establish)
{
throw new Exception("当期已经结束，不再接受订单。");
}
Random rd0 = new Random();
int a0 = rd0.Next(100) % 52;
int b0 = rd0.Next(100) % 52;
int c0 = rd0.Next(100) % 52;
int d0 = rd0.Next(100) % 52;
if (lotteryIssue.PoolCmd == 0)
{
var lp0 = GetTicketInLotteryPool0(a0, b0, c0, d0, buyerIssue.BuyerId, sellType);
LotteryTicketModel model = new LotteryTicketModel()
{
A = lp0.A,
B = lp0.B,
C = lp0.C,
D = lp0.D,
BuyerId = lp0.BuyerId,
PoolCmd = 0,
Stat = lp0.Stat,
Type = lp0.Type,
OrderOn = DateTime.Now
};
return(model);
}
else if (lotteryIssue.PoolCmd == 1)
{
var lp1 = GetTicketInLotteryPool1(a0, b0, c0, d0, buyerIssue.BuyerId, sellType);
LotteryTicketModel model = new LotteryTicketModel()
{
A = lp1.A,
B = lp1.B,
C = lp1.C,
D = lp1.D,
BuyerId = lp1.BuyerId,
PoolCmd = 1,
Stat = lp1.Stat,
Type = lp1.Type,
OrderOn = DateTime.Now
};
return(model);
}
throw new Exception("数据命令不匹配500244，不接受订单。");
}
