79 lines
3.4 KiB
C#
79 lines
3.4 KiB
C#
using YLErp.BLL;
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using YLErp.Modules;
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namespace YLErp.CustomizedBizLogic
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{
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public class BizLogicZL : BizLogicDefault
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{
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public override string GenerateTradeNumberBeforeConfirm(TradeNumberReqModel reqModel, YLContext db)
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{
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if (reqModel is null)
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{
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throw new ArgumentNullException(nameof(reqModel));
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}
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if (reqModel.trade.TradeDate == null)
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{
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throw new Exception("生成合同编号失败，请先确认该交易成交日期!");
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}
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var client = DataCacheProvider.GetClientDataSource().GetData(reqModel.clientId);
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if (client == null)
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{
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throw new Exception("未找到客户!");
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}
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var code = "";
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var trade = reqModel.trade;
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var prefix = "";
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var um = DataCacheProvider.GetUnderlyingDataSource().GetData(trade.UnderlyingCode);
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if (trade.TradeType == "收益互换")
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{
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prefix = "SW-" + client.Number + "-" + trade.TradeDate?.ToString("yyyyMMdd") + "-" + um.UnderlyingCode + "-";
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var tradeNumbers = db.trade.Where(O =>
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O.TradeNumber.StartsWith(prefix)
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&& O.ValidState != "InValid").Select(O => O.TradeNumber).OrderByDescending(O => O);
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var tradeNumber = tradeNumbers.FirstOrDefault();
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var tradeCount = 1;
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if (string.IsNullOrWhiteSpace(tradeNumber) || !int.TryParse(tradeNumber.Substring(prefix.Length), out tradeCount))
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{
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tradeCount = 1;
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}
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do
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{
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code = $"{prefix}{tradeCount}";
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tradeCount++;
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} while (tradeNumbers.Contains(code));
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}
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else
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{
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//期权累交易编号包含客户编号，但是序号在同一个交易日不区分客户，也就是同一个交易日，不同客户的序号也不能相同
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var dataCode = "";
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var tradeDateString = trade.TradeDate?.ToString("yyyyMMdd");
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prefix = client.Number + "-" + tradeDateString;
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var tradeNumbers = db.trade.Where(O =>
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O.TradeNumber.Contains(tradeDateString)
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&& O.ValidState != "InValid").Select(O => O.TradeNumber).ToList();
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var numberStrings = tradeNumbers.Where(x => x.Contains(tradeDateString)).Select(x => new { number = x.Substring(x.Length - 4), preString = x.Substring(0, x.Length - 4) }).Where(x => int.TryParse(x.number, out var num) && x.preString.Contains(tradeDateString));
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var numberString = numberStrings.OrderByDescending(x => x.number).FirstOrDefault();
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var number = 1;
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if (string.IsNullOrWhiteSpace(numberString?.number) || !int.TryParse(numberString?.number, out number))
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{
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number = 1;
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}
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do
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{
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code = $"{prefix}{number.ToString().PadLeft(4, '0')}";
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dataCode = $"{tradeDateString}{number.ToString().PadLeft(4, '0')}";
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number++;
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} while (tradeNumbers.Any(x => x.Contains(dataCode)));
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}
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return code;
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}
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}
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}
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