using Dlhis.Canteen.Order.Request;
using Dlhis.Canteen.Order.Response;
using Dlhis.Entity.Basic.Entity;
using Dlhis.Entity.Canteen.Entities;
using Dlhis.Entity.Canteen.Enums;
using Kurisu.AspNetCore.UnifyResultAndValidation;
using Kurisu.AspNetCore.Utils.Extensions;
using Kurisu.Core.DataAccess.Dto;
using Kurisu.Core.User.Abstractions;
using Kurisu.SqlSugar.Attributes;
using Kurisu.SqlSugar.Extensions;
using Kurisu.SqlSugar.Services;
using Mapster;
using Microsoft.AspNetCore.Mvc;
using SqlSugar;
using System.Linq;
using System.Numerics;

namespace Dlhis.Canteen.Order.Services.Implements;

public class BalanceService : IBalanceService
{
    private readonly IDbContext _dbContext;
    private readonly ICurrentUser _currentUser;
    private readonly ILogger<BalanceService> _logger;

    public BalanceService(IDbContext dbContext, ICurrentUser currentUser, ILogger<BalanceService> logger)
    {
        _dbContext = dbContext;
        _currentUser = currentUser;
        _logger = logger;
    }

    public async Task<Pagination<BalanceRecordResponse>> GetPageAsync(BalanceRecordPageRequest request)
    {
        var page = await _dbContext.Queryable<BalanceRecordEntity>()
                .LeftJoin<GainfoEntity>((record, ga) => record.UserNo == ga.No)
                .LeftJoin<DepartmentEntity>((record, ga, department) => ga.DepartmentNo == department.No)
                .LeftJoin<CanteenBusinessPlaceEntity>((record, ga, department, bplace) => record.BusinessPlaceCode == bplace.Code)
                .LeftJoin<CanteenBusinessShiftEntity>((record, ga, department, bplace, bshift) => record.BusinessShiftCode == bshift.Code)
                .LeftJoin<BasicTypeEntity>((record, ga, department, bplace, bshift, type) => record.BusinessShiftCode.ToString() == type.Code)
                .WhereIF(request.SearchDateTimePeriod?.Start.HasValue == true, record => record.CostDate >= request.SearchDateTimePeriod.Start)
                .WhereIF(request.SearchDateTimePeriod?.End.HasValue == true, record => record.CostDate <= request.SearchDateTimePeriod.End)
                .OrderBy(record => record.CreateTime, OrderByType.Desc)
                .Select((record, ga, department, bplace, bshift,type) => new BalanceRecordResponse
                {
                    Id = record.Id,
                    Amount = record.Amount,
                    BusinessPlaceCode = record.BusinessPlaceCode,
                    BusinessShiftCode = record.BusinessShiftCode,
                    CostDate = record.CostDate,
                    CostId = record.CostId,
                    DepartmentNo = record.DepartmentNo,
                    DeviceInfo = record.DeviceInfo,
                    IP = record.IP,
                    UserNo = record.UserNo,
                    UserCode = record.UserCode,
                    Type = record.Type,
                    SubsidiesFromMonth = record.SubsidiesFromMonth,
                    Status = record.Status,
                    Source = record.Source,
                    No = record.No,
                    IsCostCrossTenant = record.IsCostCrossTenant,
                    OriginTenantId = record.OriginTenantId,
                    Name = record.Name,
                    DepartmentName = department.Name,
                    BusinessPlaceName = bplace.Name,
                    BusinessShiftName = type.Display,
                    CostDateTime = record.CreateTime // todo
                })
                .ToPageListAsync(request);

        return page;
    }
    /// <summary>
    /// 根据成本中心
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public async Task<Pagination<BalanceRecordResponse>> RecordByCostIdAsync(BalanceRecordPageByCostIdRequest request)
    {
        var pageinfo = await _dbContext.Queryable<BalanceRecordEntity>()
            .LeftJoin<DepartmentEntity>((record, department) => record.DepartmentNo == department.No)
            .LeftJoin<CanteenBusinessPlaceEntity>((record, department, bplace) => record.BusinessPlaceCode == bplace.Code)
            .LeftJoin<CanteenBusinessShiftEntity>((record, department, bplace, bshift) => record.BusinessShiftCode == bshift.Code)
            .LeftJoin<BasicTypeEntity>((record, department, bplace, bshift,type) =>record.BusinessShiftCode.ToString() == type.Code)
            .Where(record => record.CostId == request.CostId)
            .OrderBy(record => record.CreateTime, OrderByType.Desc)
            .Select((record, department, bplace, bshift,type) => new BalanceRecordResponse
            {
                Id = record.Id,
                Amount = record.Amount,
                BusinessPlaceCode = record.BusinessPlaceCode,
                BusinessShiftCode = record.BusinessShiftCode,
                CostDate = record.CostDate,
                CostId = record.CostId,
                DepartmentNo = record.DepartmentNo,
                DeviceInfo = record.DeviceInfo,
                IP = record.IP,
                UserNo = record.UserNo,
                UserCode = record.UserCode,
                Type = record.Type,
                SubsidiesFromMonth = record.SubsidiesFromMonth,
                Status = record.Status,
                Source = record.Source,
                No = record.No,
                IsCostCrossTenant = record.IsCostCrossTenant,
                OriginTenantId = record.OriginTenantId,
                Name = record.Name,
                DepartmentName = department.Name,
                BusinessPlaceName = bplace.Name,
                BusinessShiftName = type.Display,
                CostDateTime = record.CreateTime // todo
            })
           .ToPageListAsync(request);

        return pageinfo;
    }
    /// <summary>
    /// 消费明细
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public async Task<Pagination<BalanceRecordResponse>> RecordPageDetailsAsync(BalanceRecordPageDetailsRequest request)
    {
        var paeginfo = await _dbContext.Queryable<BalanceRecordEntity>()
            .LeftJoin<DepartmentEntity>((record, department) => record.DepartmentNo == department.No)
            .LeftJoin<CanteenBusinessPlaceEntity>((record, department, bplace) => record.BusinessPlaceCode == bplace.Code)
            .LeftJoin<CanteenBusinessShiftEntity>((record, department, bplace, bshift) => record.BusinessShiftCode == bshift.Code)
            .LeftJoin<BasicTypeEntity>((record,  department, bplace, bshift, type) => record.BusinessShiftCode.ToString() == type.Code)
            .WhereIF(!request.Name.IsEmpty(), record => record.Name == request.Name)
            .WhereIF(!request.DepartmentNo.IsEmpty(), record => record.DepartmentNo == request.DepartmentNo)
            .WhereIF(!request.UserCode.IsEmpty(), record => record.UserCode == request.UserCode)
            .WhereIF(request.Type.HasValue, record => record.Type == request.Type)
            .WhereIF(request.BusinessShiftCode.HasValue, record => record.BusinessShiftCode == request.BusinessShiftCode)
            .WhereIF(request.BusinessPlaceCode.HasValue, record => record.BusinessPlaceCode == request.BusinessPlaceCode)
            .WhereIF(request.StartDatetime.HasValue, record => record.CostDateTime >= request.StartDatetime)
            .WhereIF(request.EndDatetime.HasValue, record => record.CostDateTime <= request.EndDatetime)
            .OrderBy(record => record.CreateTime, OrderByType.Desc)
            .Select((record, department, bplace, bshift,type) => new BalanceRecordResponse
            {
                Id = record.Id,
                Amount = record.Amount,
                BusinessPlaceCode = record.BusinessPlaceCode,
                BusinessShiftCode = record.BusinessShiftCode,
                CostDate = record.CostDate,
                CostId = record.CostId,
                DepartmentNo = record.DepartmentNo,
                DeviceInfo = record.DeviceInfo,
                IP = record.IP,
                UserNo = record.UserNo,
                UserCode = record.UserCode,
                Type = record.Type,
                SubsidiesFromMonth = record.SubsidiesFromMonth,
                Status = record.Status,
                Source = record.Source,
                No = record.No,
                IsCostCrossTenant = record.IsCostCrossTenant,
                OriginTenantId = record.OriginTenantId,
                Name = record.Name,
                DepartmentName = department.Name,
                BusinessPlaceName = bplace.Name,
                BusinessShiftName = type.Display,
                CostDateTime = record.CreateTime // todo  
            })
            .ToPageListAsync(request);

        return paeginfo;
    }
    /// <summary>
    /// 消费汇总 根据部门号
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public async Task<List<BalanceRecordSummaryRespones>> BalanceRecordSummaryByNoAsync(BalanceRecordSummaryRequest request)
    {

        var shiftCodeDict = await GetShiftCode();

        var paeginfos = await _dbContext.Queryable<BalanceRecordEntity>()
            .WhereIF(!request.DepartmentNo.IsEmpty(), record => record.DepartmentNo == request.DepartmentNo)
           .WhereIF(!request.UserCode.IsEmpty(), record => record.UserCode == request.UserCode)
            .WhereIF(!request.OriginTenantId.IsEmpty(), record => record.TenantId == request.OriginTenantId)
           .WhereIF(request.StartDatetime.HasValue, record => record.CostDateTime >= request.StartDatetime)
           .WhereIF(request.EndDatetime.HasValue, record => record.CostDateTime <= request.EndDatetime)
            .Where(record => record.CostId == request.CostId)
            .OrderBy(record => record.CreateTime, OrderByType.Desc)
            .ToListAsync();

        var lst = new List<BalanceRecordSummaryRespones>();

        foreach (var departmentGroup in paeginfos.GroupBy(record => record.DepartmentNo))
        {
            // 每个部门
            var obj = new BalanceRecordSummaryRespones
            {
                DepartmentNo = departmentGroup.Key,
                CostId = request.CostId
            };

                // 每个餐次人数
                obj.BreakfastNumberOfPeople = departmentGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Breakfast"]);

                obj.LunchNumberOfPeople = departmentGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Lunch"]);

                obj.DinnerNumberOfPeople = departmentGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Dinner"]);

                obj.LateNightNumberOfPeople = departmentGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["LateNight"]);

                //餐次金额
                obj.BreakfastAmount = departmentGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Breakfast"]).Sum(x => x.Amount);

                obj.LunchAmount = departmentGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Lunch"]).Sum(x => x.Amount);

                obj.DinnerAmount = departmentGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Dinner"]).Sum(x => x.Amount);

                obj.LateNightAmount = departmentGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["LateNight"]).Sum(x => x.Amount);

                // 每个餐次单价
                obj.BreakfastPrice = obj.BreakfastAmount / obj.BreakfastNumberOfPeople;
                obj.LunchPrice = obj.LunchAmount / obj.LunchNumberOfPeople;
                obj.DinnerPrice = obj.DinnerAmount / obj.DinnerNumberOfPeople;
                obj.LateNightPrice = obj.LateNightAmount / obj.LateNightNumberOfPeople;

                // 每个部门餐次中的 OriginTenantId
                obj.OriginTenantId = departmentGroup.FirstOrDefault()?.OriginTenantId;


            // 总人数  总金额
            obj.TotalNumberOfPeople = obj.BreakfastNumberOfPeople + obj.LunchNumberOfPeople + obj.DinnerNumberOfPeople + obj.LateNightNumberOfPeople;
            obj.TotalAmount = obj.BreakfastAmount + obj.LunchAmount + obj.DinnerAmount + obj.LateNightAmount;
            lst.Add(obj);
        }

        return lst;
    }

    /// <summary>
    /// 消费汇总 根据人事范围
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public async Task<List<BalanceRecordSummaryRespones>> BalanceRecordSummaryByTidAsync(BalanceRecordSummaryRequest request)
    {
        var shiftCodeDict = await GetShiftCode();

        var paeginfos = await _dbContext.Queryable<BalanceRecordEntity>()
            .WhereIF(!request.DepartmentNo.IsEmpty(), record => record.DepartmentNo == request.DepartmentNo)
           .WhereIF(!request.UserCode.IsEmpty(), record => record.UserCode == request.UserCode)
            .WhereIF(!request.OriginTenantId.IsEmpty(), record => record.TenantId == request.OriginTenantId)
           .WhereIF(request.StartDatetime.HasValue, record => record.CostDateTime >= request.StartDatetime)
           .WhereIF(request.EndDatetime.HasValue, record => record.CostDateTime <= request.EndDatetime)
            .Where(record => record.CostId == request.CostId)
            .OrderBy(record => record.CreateTime, OrderByType.Desc)
            .ToListAsync();

        var lst = new List<BalanceRecordSummaryRespones>();

        foreach (var originTenantIdGroup in paeginfos.GroupBy(record => record.OriginTenantId))
        {
            // 每个人事范围
            var obj = new BalanceRecordSummaryRespones
            {
                OriginTenantId = originTenantIdGroup.Key,
                CostId = request.CostId,
                DepartmentNo = originTenantIdGroup.First().DepartmentNo
            };

                // 每个餐次人数
                obj.BreakfastNumberOfPeople = originTenantIdGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Breakfast"]);

                obj.LunchNumberOfPeople = originTenantIdGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Lunch"]);

                obj.DinnerNumberOfPeople = originTenantIdGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Dinner"]);

                obj.LateNightNumberOfPeople = originTenantIdGroup.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["LateNight"]);

                //餐次金额
                obj.BreakfastAmount = originTenantIdGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Breakfast"]).Sum(x => x.Amount);

                obj.LunchAmount = originTenantIdGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Lunch"]).Sum(x => x.Amount);

                obj.DinnerAmount = originTenantIdGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Dinner"]).Sum(x => x.Amount);

                obj.LateNightAmount = originTenantIdGroup.Where(x => x.BusinessShiftCode.ToString() == shiftCodeDict["LateNight"]).Sum(x => x.Amount);

                // 每个餐次单价
                obj.BreakfastPrice = obj.BreakfastAmount / obj.BreakfastNumberOfPeople;
                obj.LunchPrice = obj.LunchAmount / obj.LunchNumberOfPeople;
                obj.DinnerPrice = obj.DinnerAmount / obj.DinnerNumberOfPeople;
                obj.LateNightPrice = obj.LateNightAmount / obj.LateNightNumberOfPeople;

            // 总人数  总金额
            obj.TotalNumberOfPeople = obj.BreakfastNumberOfPeople + obj.LunchNumberOfPeople + obj.DinnerNumberOfPeople + obj.LateNightNumberOfPeople;
            obj.TotalAmount = obj.BreakfastAmount + obj.LunchAmount + obj.DinnerAmount + obj.LateNightAmount;
            lst.Add(obj);
        }
        return lst;
    }

    private async Task<Dictionary<string, string>> GetShiftCode()
    {
        var list = await _dbContext.Queryable<BasicTypeEntity>().ToListAsync();

        var shiftCodeDict = new Dictionary<string, string>();

        var breakfastCode = list.FirstOrDefault(x => x.Display == "早餐")?.Code;
        var lunchCode = list.FirstOrDefault(x => x.Display == "午餐")?.Code;
        var dinnerCode = list.FirstOrDefault(x => x.Display == "晚餐")?.Code;
        var lateNightCode = list.FirstOrDefault(x => x.Display == "宵夜")?.Code;

        shiftCodeDict.Add("Breakfast", breakfastCode);
        shiftCodeDict.Add("Lunch", lunchCode);
        shiftCodeDict.Add("Dinner", dinnerCode);
        shiftCodeDict.Add("LateNight", lateNightCode);

        return shiftCodeDict;
    }


    /// <summary>
    /// 用餐分析
    /// </summary>
    /// <param name="request"></param>
    /// <returns></returns>
    public async Task<List<BalanceRecordAnalysisRespones>> BalanceRecordAnalysisAsync(BalanceRecordAnalysisRequest request)
    {
       var shiftCodeDict = await GetShiftCode();    


        var pageinfo = await _dbContext.Queryable<BalanceRecordEntity>()
                .WhereIF(request.StartDatetime.HasValue, record => record.CostDateTime >= request.StartDatetime)
                .WhereIF(request.EndDatetime.HasValue, record => record.CostDateTime <= request.EndDatetime)
                .WhereIF(request.BusinessPlaceCode.HasValue, record => record.BusinessPlaceCode == request.BusinessPlaceCode).ToListAsync();

        var lst = new List<BalanceRecordAnalysisRespones>();
        foreach (var first in pageinfo.GroupBy(record => record.CostDateTime.ToString("yyyy-MM-dd")))
        {
            var obj = new BalanceRecordAnalysisRespones()
            {
                CostDate = DateOnly.FromDateTime(Convert.ToDateTime(first.Key)),
            };
     
             obj.BreakfastNumberOfPeople= first.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Breakfast"]);

            obj.LunchNumberOfPeople = first.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Lunch"]);

            obj.DinnerNumberOfPeople = first.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["Dinner"]);

            obj.LateNightNumberOfPeople = first.Count(x => x.BusinessShiftCode.ToString() == shiftCodeDict["LateNight"]);

            obj.TotalNumberOfPeople = obj.BreakfastNumberOfPeople + obj.LunchNumberOfPeople + obj.DinnerNumberOfPeople + obj.LateNightNumberOfPeople;
            lst.Add(obj);
        }
        return lst;
    }


    [IgnoreTenant]
    public async Task<Pagination<BalanceRecordResponse>> GetPageByDeviceUniqueNoAsync(BalanceRecordPageByDeviceUniqueNoRequest request)
    {
        var now = DateTime.Now;
        var start = DateTime.Today;
        var end = new DateTime(now.Year, now.Month, now.Day, 23, 59, 59);

        if (request.SearchDate.HasValue)
        {
            now = request.SearchDate.Value;
            start = new DateTime(now.Year, now.Month, now.Day);
            end = new DateTime(now.Year, now.Month, now.Day, 23, 59, 59);
        }

        var device = await _dbContext.Queryable<DeviceEntity>()
            .Where(x => x.UniqueNo == request.DeviceUniqueNo || x.Code == Guid.Parse(request.DeviceUniqueNo))
            .FirstAsync();

        if (device == null)
        {
            return new Pagination<BalanceRecordResponse>()
            {
                Data = new List<BalanceRecordResponse>()
            };
        }

        var page = await _dbContext.Queryable<BalanceRecordEntity>()
              .LeftJoin<GainfoEntity>((record, ga) => record.UserNo == ga.No)
              .LeftJoin<DepartmentEntity>((record, ga, department) => ga.DepartmentNo == department.No)
              .LeftJoin<CanteenBusinessPlaceEntity>((record, ga, department, bplace) => record.BusinessPlaceCode == bplace.Code)
              .LeftJoin<CanteenBusinessShiftEntity>((record, ga, department, bplace, bshift) => record.BusinessShiftCode == bshift.Code)
              .LeftJoin<BasicTypeEntity>((record, ga, department, bplace, bshift, type) => record.BusinessShiftCode.ToString() == type.Code)
              .WhereIF(request.SearchDate.HasValue, record => record.CostDate >= start)
              .WhereIF(request.SearchDate.HasValue, record => record.CostDate <= end)
              .Where(record => record.TenantId == device.TenantId || (record.DeviceInfo == device.Code.ToString() || record.DeviceInfo == device.UniqueNo))
              .Where(record => record.Type == BalanceRecordTypeEnumType.Out && record.Status == BalanceRecordStatusEnumType.Valid)
              .OrderBy(record => record.CreateTime, OrderByType.Desc)
              .Select((record, ga, department, bplace, bshift,type) => new BalanceRecordResponse
              {
                  Id = record.Id,
                  Amount = record.Amount,
                  BusinessPlaceCode = record.BusinessPlaceCode,
                  BusinessShiftCode = record.BusinessShiftCode,
                  CostDate = record.CostDate,
                  CostId = record.CostId,
                  DepartmentNo = record.DepartmentNo,
                  DeviceInfo = record.DeviceInfo,
                  IP = record.IP,
                  UserNo = record.UserNo,
                  UserCode = record.UserCode,
                  Type = record.Type,
                  SubsidiesFromMonth = record.SubsidiesFromMonth,
                  Status = record.Status,
                  Source = record.Source,
                  No = record.No,
                  IsCostCrossTenant = record.IsCostCrossTenant,
                  OriginTenantId = record.OriginTenantId,
                  Name = record.Name,
                  DepartmentName = department.Name,
                  BusinessPlaceName = bplace.Name,
                  BusinessShiftName = type.Display,
                  CostDateTime = record.CostDateTime
              }).ToPageListAsync(request);

        //消费总金额
        var sum = await _dbContext.Queryable<BalanceRecordEntity>()
             .WhereIF(request.SearchDate.HasValue, record => record.CostDate >= start)
             .WhereIF(request.SearchDate.HasValue, record => record.CostDate <= end)
             .Where(record => record.TenantId == device.TenantId || (record.DeviceInfo == device.Code.ToString() || record.DeviceInfo == device.UniqueNo))
             .Where(record => record.Type == BalanceRecordTypeEnumType.Out && record.Status == BalanceRecordStatusEnumType.Valid)
             .SumAsync(record => SqlFunc.Abs(SqlFunc.IsNull(record.Amount, 0)));

        page.Data.ForEach(x => x.Sum = sum);

        return page;
    }

    public async Task<Pagination<BalanceRecordUserResponse>> GetPageByUserAsync(BalanceRecordUserPageRequest request)
    {
        //当前用户
        var userId = _currentUser.GetIntSubjectId();

        var page = await _dbContext.Queryable<BalanceRecordEntity>()
             .LeftJoin<GainfoEntity>((record, ga) => record.UserNo == ga.No)
             .LeftJoin<DepartmentEntity>((record, ga, department) => ga.DepartmentNo == department.No)
             .LeftJoin<CanteenBusinessPlaceEntity>((record, ga, department, bplace) => record.BusinessPlaceCode == bplace.Code)
             .LeftJoin<CanteenBusinessShiftEntity>((record, ga, department, bplace, bshift) => record.BusinessShiftCode == bshift.Code)
             .LeftJoin<BasicTypeEntity>((record, ga, department, bplace, bshift,type) =>record.BusinessShiftCode.ToString() == type.Code)
             .WhereIF(request.SearchDateTimePeriod?.Start.HasValue == true, record => record.CostDate >= request.SearchDateTimePeriod.Start)
             .WhereIF(request.SearchDateTimePeriod?.End.HasValue == true, record => record.CostDate <= request.SearchDateTimePeriod.End)
             .Where((record, ga) => ga.IdentityUserId == userId)
             .OrderBy(record => record.CreateTime, OrderByType.Desc)
             .Select((record, ga, department, bplace, bshift,type) => new BalanceRecordUserResponse
             {
                 Id = record.Id,
                 Amount = record.Amount,
                 Type = record.Type,
                 Status = record.Status,
                 Source = record.Source,
                 No = record.No,
                 BusinessPlaceName = bplace.Name,
                 BusinessShiftName = type.Display,
                 CostDateTime = record.CreateTime // todo
             })
             .ToPageListAsync(request);

        return page;
    }

    [Transactional]
    public async Task ObsoluteAsync(BalanceRecordObsoluteRequest request)
    {
        var balanceRecord = await _dbContext.Queryable<BalanceRecordEntity>().Where(x => x.Id == request.Id).SingleAsync();
        balanceRecord.ThrowIfNull("记录不存在");

        (balanceRecord.Type != BalanceRecordTypeEnumType.Out).ThrowIfTrue("非消费记录,无法操作");

        balanceRecord.Status = BalanceRecordStatusEnumType.Obsolute;
        balanceRecord.Remark = request.Reason;


        await ContinueUpdateAsync(async () =>
        {
            //重算金额
            var canteenUser = await _dbContext.Queryable<CanteenUserEntity>().Where(x => x.UserNo == balanceRecord.UserNo).SingleAsync();

            //金额 +
            canteenUser.Balance += Math.Abs(balanceRecord.Amount);

            var effect = await _dbContext.Updateable<CanteenUserEntity>()
                        .SetColumns(x => x.Balance == canteenUser.Balance)
                        .SetColumns(x => x.Version == x.Version + 1)
                        .Where(x => x.UserNo == balanceRecord.UserNo && x.Version == canteenUser.Version)
                        .ExecuteCommandAsync();

            if (effect <= 0) throw new VersionExceptions("更新版本冲突");

            await _dbContext.UpdateAsync(balanceRecord);
        }, 5);
    }


    //************************************************************ help methods ******************************************************************

    private async Task ContinueUpdateAsync(Func<Task> func, int retry)
    {
        for (int i = 0; i < retry; i++)
        {
            try
            {
                await func();
                return;
            }
            catch (Exception ex) when (ex is VersionExceptions)
            {
                _logger.LogWarning(ex, ex.Message);
            }
            catch (Exception)
            {
                throw;
            }
        }

        throw new UserFriendlyException("操作失败,请重试");
    }
}