117 lines
5.6 KiB
C#
117 lines
5.6 KiB
C#
using YLErp.BLL;
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using YLErp.Modules;
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using static YLErp.ConsGlobal;
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namespace YLErp.CustomizedBizLogic
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{
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public class BizLogicGTJA : BizLogicDefault
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{
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//-------------------------------------------------------
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// 交易编号规则:
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// 商品类以客户编号开头,中间标识为C
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// 权益类以OTC开头，如果客户编号以CW开头则替换为OTC，中间标识为E
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// 客户编号规则在3.5版本后以OTC开头旧版以CW开头
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// 举例：如“老的客户（客户编号CW开始的）， 新增权利类交易，编号强制 用OTC20180201E0001， 商品还是 CW20180201C00xx。
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// 举例：新的客户 客户编号 是 OTC20200201， 权益类交易 OTC20200201E0001 商品是 OTC20200201C0001 ”。
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//-------------------------------------------------------
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/// <summary>
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/// 生成客户编号
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/// 生成规则：例如 CW20180001 ， CW为固定字符，加上4位年份， 最后四位是序列编号，从0001开始，每增加一个客户自动加1，序号最大值9999
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/// </summary>
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/// <param name="initialCode">客户创建时的初始编号，如果没有传null</param>
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public override void GenerateClientCode(Client clientObj, IQueryable<Client> clientDbQuery)
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{
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const string prefix = "CW";
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const int leftPartSize = 6;//CW+year
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if (string.IsNullOrWhiteSpace(clientObj.Number) || clientObj.Number.IndexOf(prefix) != 0)
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{
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lock (_clientCodeLock)
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{
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var leftPart = prefix + DateTime.Now.Year.ToString();
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var existingNumbers = clientDbQuery.Where(x => x.Number.StartsWith(leftPart)).Select(x => x.Number).ToArray();
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var maxNumber = 0;
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if (existingNumbers.Any())
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{
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maxNumber = existingNumbers.Max(x => int.TryParse(x.Substring(leftPartSize), out var number) ? number : 0);
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}
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clientObj.Number = leftPart + (maxNumber + 1).ToString().PadLeft(4, '0');
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}
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}
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}
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/// <summary>
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/// 在交易确认前生成交易编号
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/// </summary>
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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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//对于对冲交易、场内交易等没有设置客户的
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if (reqModel.clientId == 0)
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{
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return DateTime.Now.ToString("yyyyMMddHHmmssfff");
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}
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var clientNumber = DataCacheProvider.GetClientDataSource().GetData(reqModel.clientId)?.Number.TrimToNull();
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string preTag = clientNumber ?? "N", midTag = "C";
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var stockInstrumentTypes = new[] { InstrumentType.Stock, InstrumentType.StockIF };
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var um = DataCacheProvider.GetUnderlyingDataSource().GetData(reqModel.trade.UnderlyingId);
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//权益类场外交易编号处理
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if (um != null && stockInstrumentTypes.Contains(um.UnderlyingInstrumentType))
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{
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var E_TradeTypes = new[] { "香草期权", "自定义交易", "结构化交易" };
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midTag = E_TradeTypes.Contains(reqModel.trade.TradeType) && reqModel.trade.IsGroup == 0 ? "E" : "X";
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//if (preTag.StartsWith("CW")) preTag = "OTC" + preTag.Substring(2);
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}
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//合并起来作为获取递增序号的取值条件
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var leftPart = preTag + midTag;
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var fullSize = leftPart.Length + 4;
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//获取数据库该用户最大的交易编号记录
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var tradeNumber = db.trade.Where(x => x.TradeNumber.StartsWith(leftPart) && x.TradeNumber.Length == fullSize)
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.OrderByDescending(x => x.TradeNumber).Select(n => n.TradeNumber).FirstOrDefault() ?? string.Empty;
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if (reqModel.importTrades != null && reqModel.importTrades.Any())
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{
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//获取导入交易中该客户最大的交易编号记录
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var importTradeNumber = reqModel.importTrades.Where(x => x.TradeNumber.StartsWith(leftPart) && x.TradeNumber.Length == fullSize)
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.OrderByDescending(x => x.TradeNumber).Select(n => n.TradeNumber).FirstOrDefault() ?? string.Empty;
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tradeNumber = tradeNumber.CompareTo(importTradeNumber) > 0 ? tradeNumber : importTradeNumber;
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}
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//获取总的该用户最大的交易编号记录
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int newNumber = string.IsNullOrWhiteSpace(tradeNumber) ? 1 : (int.Parse(tradeNumber.Substring(leftPart.Length)) + 1);
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return getTradeNumber(newNumber, leftPart, db);
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}
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private string getTradeNumber(int newNumber, string leftPart, YLContext db)
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{
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if (newNumber < 1e4)
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{
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var childTradeNumberPart = leftPart + newNumber.ToString("D4") + "-";
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if (db.trade.Any(x => EF.Functions.Like(x.TradeNumber,$"{childTradeNumberPart}%") && x.ValidState != "InValid"))
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{
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return getTradeNumber(newNumber + 1, leftPart, db);
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}
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else
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{
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return leftPart + newNumber.ToString("D4");
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}
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}
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else
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{
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throw new Exception("该客户存在最大交易编号" + (newNumber - 1) + "，超出了限制规则9999，生成交易编号失败");
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}
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}
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}
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}
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