BookingHeChuan/Myshipping.Application/Helper/BusinessIDGenHelper.cs

using Furion;
using Furion.FriendlyException;
using Myshipping.Core;
using Myshipping.Core.Entity;
using Myshipping.Core.Service;
using Org.BouncyCastle.Asn1.Tsp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Myshipping.Application.Helper
{
    public static class BusinessIDGenHelper
    {
        /// <summary>
        /// 生成流水号
        /// </summary>
        /// <param name="tenantId">租户ID</param>
        /// <returns></returns>
        public static string GenNext(long tenantId)
        {
            if (tenantId <= 0)
                throw Oops.Oh($"租户ID不能为空");

            var _djyTenantParamService = App.GetService<IDjyTenantParamService>();

            var paramInfo = _djyTenantParamService
                .GetParaCodeWithValue(new[] { "BOOKING_MSG_REFERNO_STARTCODE" }).GetAwaiter().GetResult().FirstOrDefault();

            string startCode = string.Empty;

            if (paramInfo != null)
            {
                startCode = paramInfo.ParaValue?.Trim();
            }

            if (string.IsNullOrWhiteSpace(startCode))
                throw Oops.Oh($"当前租户未配置“订舱申请号生成开头代码”租户参数");

            string flowno = string.Empty;

            var cacheService = App.GetService<ISysCacheService>();

            //生成KEY 代码类型-BOOKING_TENANTID_
            string cacheKey = $"BOOKING_{tenantId}";
            string cacheCalcKey = $"BOOKING_{tenantId}_CALC";

            DateTime nowDate = DateTime.Now;
            DateTime expireDateTime = new DateTime(nowDate.Year, nowDate.Month, nowDate.Day, 23, 59, 59);

            var expireTimeSpan = expireDateTime.Subtract(DateTime.Now).Duration();

            var autoIncrementKey = RedisHelper.IncrBy(cacheCalcKey);

            if (cacheService.Exists(cacheKey))
            {
                flowno = $"{startCode}{nowDate.ToString("yyyyMMdd")}{autoIncrementKey.ToString().PadLeft(4, '0')}";
            }
            else
            {
                if (autoIncrementKey > 0)
                    RedisHelper.IncrBy(cacheCalcKey, -autoIncrementKey);

                //重新计数
                autoIncrementKey = RedisHelper.IncrBy(cacheCalcKey);

                cacheService.SetTimeoutAsync(cacheKey, autoIncrementKey, expireTimeSpan).GetAwaiter().GetResult();
            }

            return flowno;
        }
    }
}