125 lines
4.6 KiB
C#
125 lines
4.6 KiB
C#
using YieldChain.Helpers;
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using YLErp.BLL;
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using YLErp.DBModels;
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using YLErp.Modules;
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namespace YLErp.CustomizedBizLogic
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{
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/// <summary>
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/// 国联证券业务逻辑
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/// </summary>
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public class BizLogicGuoLian : BizLogicDefault
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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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/// 格式：GL-{yyyyMMdd}-{序号}
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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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// 国联格式：GLMS-{yyyyMMdd}-{4位序号}
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var leftPart = $"GLMS-{reqModel.trade.TradeDate:yyyyMMdd}-";
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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 =>
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x.TradeNumber.StartsWith(leftPart) &&
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x.TradeNumber.Length == fullSize &&
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x.ValidState != ConsGlobal.InValid)
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.OrderByDescending(x => x.TradeNumber)
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.Select(n => n.TradeNumber)
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.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
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.Where(x => x.TradeNumber.StartsWith(leftPart) && x.TradeNumber.Length == fullSize)
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.OrderByDescending(x => x.TradeNumber)
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.Select(n => n.TradeNumber)
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.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 startNumber = string.IsNullOrWhiteSpace(tradeNumber)
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? 1
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: (int.Parse(tradeNumber.Substring(leftPart.Length)) + 1);
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return GetTradeNumber(startNumber, leftPart, db);
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}
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/// <summary>
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/// 获取可用的交易编号（循环实现，避免递归栈溢出）
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/// </summary>
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private string GetTradeNumber(int startNumber, string leftPart, YLContext db)
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{
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for (int newNumber = startNumber; newNumber < 10000; newNumber++)
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{
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var candidate = leftPart + newNumber.ToString("D4");
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var childTradeNumberPart = candidate + "-";
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// 检查是否存在以该编号开头的子交易
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bool exists = db.trade.Any(x =>
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EF.Functions.Like(x.TradeNumber, $"{childTradeNumberPart}%") &&
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x.ValidState != ConsGlobal.InValid);
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if (!exists)
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{
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return candidate;
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}
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}
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throw new Exception("该客户交易编号已达到最大限制9999，生成交易编号失败");
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}
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/// <summary>
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/// 获取交易确认书前缀
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/// </summary>
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public override string GetTradeContractPrefix(string tradeNumber)
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{
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// 国联证券确认书前缀
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return "GL-";
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}
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/// <summary>
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/// 生成客户编号
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/// 格式：{年份后两位}{3位序号}{拼音首字母}
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/// </summary>
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public override void GenerateClientCode(Client clientObj, IQueryable<Client> clientDbQuery)
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{
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if (string.IsNullOrWhiteSpace(clientObj.Number))
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{
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var firstPY = PingYinHelper.GetFirstPinYin_Enhance(clientObj.Name);
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var year = DateTime.Now.ToString("yy");
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var result = "";
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lock (_clientCodeLock)
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{
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var existingClientCodes = clientDbQuery
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.Where(x => x.Number.StartsWith(year))
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.Select(x => x.Number)
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.ToList();
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var number = existingClientCodes.Count();
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do
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{
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number++;
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result = year + number.ToString("000");
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} while (existingClientCodes.Any(O => O.StartsWith(result)));
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clientObj.Number = result + firstPY;
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}
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}
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}
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}
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}
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