104 lines
4.4 KiB
C#
104 lines
4.4 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 BizLogicXiangYu : BizLogicDefault
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{
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//编号规则：080501（客户编号）+220311（年月日）+C/P/E/F(C-香草看涨，P-香草看跌,E-剩余的其他期权类型，F-远期）+0001（默认成交笔数）
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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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if (!string.IsNullOrWhiteSpace(reqModel.trade.TradeNumber)) { return reqModel.trade.TradeNumber; }
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string code = "";
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var client = DbContextFactory.GetClientDbContext(null).client.Where(a => a.id == reqModel.clientId).FirstOrDefault();
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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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string clientNumber = client.Number;
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string tradeDate = reqModel.trade.TradeDate?.ToString("yyMMdd");
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string type = string.Empty;
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switch (reqModel.trade.TradeType)
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{
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case "香草期权":
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type = reqModel.trade.OptionType == "看涨" ? "C" : "P";
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break;
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case "远期":
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type = "F";
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break;
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case "累计期权":
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var otype= reqModel.trade.OptionType == "看涨" ? "C" : "P";
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var payoffType = reqModel.trade.trade_accumulator_option.PayoffType=="浮动"?"A":"F";
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return GetAccumulatorCode(db, payoffType+ otype, reqModel.trade.TradeDate, client.id,reqModel.trade.UnderlyingCode,reqModel.importTrades);
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default:
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type = "E";
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break;
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}
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code = $"{clientNumber}{tradeDate}{type}";
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var tradeNumbers = new List<string>();
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tradeNumbers = db.trade.Where(x => x.TradeNumber.StartsWith(code) && x.ParentTradeId == 0).Select(x => x.TradeNumber).ToList();
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//获取导入
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if (reqModel.importTrades != null)
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{
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tradeNumbers.AddRange(reqModel.importTrades.Select(O => O.TradeNumber));
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}
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var number = tradeNumbers.Count;
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var returnCode = string.Empty;
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do
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{
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number++;
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returnCode = $"{code}{number:0000}";
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if (!tradeNumbers.Contains(returnCode))
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{ break; }
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} while (true);
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return returnCode;
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}
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/// <summary>
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/// 累计期权交易编号
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/// </summary>
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/// <param name="db"></param>
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/// <param name="type"></param>
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/// <param name="tradeDate"></param>
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/// <param name="clientId"></param>
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/// <param name="underlyingCode"></param>
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/// <param name="importTrades"></param>
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/// <returns></returns>
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private string GetAccumulatorCode(YLContext db,string type,DateTime? tradeDate,int clientId,string underlyingCode, List<trade> importTrades)
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{
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var code = "";
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var tradeNumbers = new List<string>();
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var query = db.trade.Where(x => x.ParentTradeId == 0 && x.TradeType == "累计期权" && x.UnderlyingCode == underlyingCode && x.ValidState != "InValid");
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var tradeQuery = query.Where(x => x.TradeDate == tradeDate);
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tradeNumbers = query.Select(x => x.TradeNumber).ToList();
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int clientCount = query.Where(x => x.ClientId == clientId).Count();
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//获取导入
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if (importTrades != null)
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{
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tradeNumbers.AddRange(importTrades.Select(O => O.TradeNumber));
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clientCount += importTrades.Where(x => x.ClientId == clientId).Count();
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}
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var number = tradeQuery.Count();
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do
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{
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number++;
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clientCount++;
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code = $"{underlyingCode}-{number}-{tradeDate:yyMMdd}{type}{clientCount}";
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if (!tradeNumbers.Contains(code))
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{ break; }
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} while (true);
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return code;
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}
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}
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}
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