53 lines
1.8 KiB
C#
53 lines
1.8 KiB
C#
using YLErp.BLL;
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namespace YLErp.CustomizedBizLogic
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{
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public class BizLogicSywg : 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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/// </summary>
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/// <returns></returns>
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public override string GenerateTradeNumberBeforeConfirm(TradeNumberReqModel reqModel, YLContext db)
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{
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return null;
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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 IAM7， IAM为固定字符，7是序列编号，每增加一个客户自动加1
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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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/// <param name="db"></param>
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public override void GenerateClientCode(Client clentObj, IQueryable<Client> clientDbQuery)
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{
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if (string.IsNullOrWhiteSpace(clentObj.Number))
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{
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const string PREFIX = "IAM";
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lock (_clientCodeLock)
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{
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var existingClientCodes = clientDbQuery.Where(x => x.Number.Contains(PREFIX)).Select(x => x.Number).ToList();
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//如果当前没有IAM开头的，从1开始计数
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if (existingClientCodes.Count == 0)
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{
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clentObj.Number = "IAM1";
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}
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else
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{
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var maxNumber = existingClientCodes.Max(x => parseNumber(x.Substring(PREFIX.Length)));
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var nextNum = maxNumber + 1;
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clentObj.Number = PREFIX + nextNum.ToString();
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}
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}
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}
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}
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private int parseNumber(string clientNumber)
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{
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var number = 0;
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int.TryParse(clientNumber, out number);
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return number;
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}
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}
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}
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