nhet_cn_back_main/Service/Station/SwapOrderService.cs

using Entity.Api.Req;
using Entity.Api.Resp;
using Entity.DbModel.Station;
using HybirdFrameworkCore.Autofac.Attribute;
using HybirdFrameworkCore.Entity;
using Repository.Station;
using SqlSugar;
using System.Linq.Expressions;
using AutoMapper;
using Entity.Dto;
using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Mvc;
using Service.Mgr;

namespace Service.Station;

/// <summary>
/// 充电订单
/// </summary>
[Scope("SingleInstance")]
public class SwapOrderService : BaseServices<SwapOrder>
{
    public SwapOrderRepository swapOrderRepository { get; set; }
    public SwapOrderReportCloudRepository SwapOrderReportCloudRepository { get; set; }

    public SwapOrderMgr SwapOrderMgr { get; set; }

    public SwapOrderService(SwapOrderRepository dal)
    {
        BaseDal = dal;
    }


    public Result<bool> UploadCloud(int id)
    {
        List<SwapOrderReportCloud> list =
            SwapOrderReportCloudRepository.QueryListByClause(i => i.CloudReportStatus == 0 && i.SwapOrderId == id);

        if (list.Count <= 0)
        {
            return Result<bool>.Fail("当前换电订单不满足上报云平台的条件");
        }


        return SwapOrderMgr.UploadCloud(list,2) ? Result<bool>.Success() : Result<bool>.Fail();
    }
    /// <summary>
    /// 导出充电订单
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    public async Task<IActionResult> ExportSwapOrder(QuerySwapOrderPageReq swapOrder)
    {
        // 查询订单
        List<SwapOrder> swapOrders = await QuerySwapOrderListAsync(swapOrder);


        var config = new MapperConfiguration(cfg => { cfg.CreateMap<SwapOrderDto, SwapOrder>().ReverseMap(); });
        IMapper mapper = config.CreateMapper();

        List<SwapOrderDto> list = mapper.Map<List<SwapOrderDto>>(swapOrders);

        IExcelExporter excelExporter = new ExcelExporter();
        var res = await excelExporter.ExportAsByteArray(list);
        return new FileStreamResult(new MemoryStream(res), "application/octet-stream")
            { FileDownloadName = DateTime.Now.ToString("yyyyMMddHHmm") + "换电订单.xlsx" };
    }
    /// <summary>
    /// 查询需要导出换电订单
    /// </summary>
    /// <param name="swapOrder"></param>
    /// <returns></returns>
    public async Task<List<SwapOrder>> QuerySwapOrderListAsync(QuerySwapOrderPageReq swapOrder)
    {
        Expression<Func<SwapOrder, bool>> where = null;
        ParameterExpression parameter = Expression.Parameter(typeof(SwapOrder), "u");

        #region 构建动态查询树
        where = queryTree(swapOrder, where, parameter);
        #endregion

        // 查询需要导出充电订单 不分页
        return await swapOrderRepository.QuerySwapOrderList(where);
    }
    /// <summary>
    /// 根据条件查询分页数据
    /// </summary>
    /// <param name="equipAlarmLevel"></param>
    /// <returns></returns>
    public PageResult<SwapOrderResp> QuerySwapOrder(QuerySwapOrderPageReq swapOrder)
    {
        //创建一个空的表达式树
        Expression<Func<SwapOrder, bool>> where = null;
        //// 定义参数表达式
        ParameterExpression parameter = Expression.Parameter(typeof(SwapOrder), "u");

        #region 构建动态查询树

        where = queryTree(swapOrder, where, parameter);

        #endregion

        //查询

        //var swapOrderResp = PageResult<SwapOrderResp>.ConvertPage(swapOrderRepository.QueryIPageByCause(swapOrder, where));
        //for (int i = 0; i < swapOrderResp.Rows.Count; i++)
        //{
        //    swapOrderResp.Rows[0].BatteryList.AddRange()
        //}

        //List<SwapOrderBatteryResp> BatteryList = new List<SwapOrderBatteryResp>();
        //List<SwapOrderStepResp> StepList = new List<SwapOrderStepResp>();
        return PageResult<SwapOrderResp>.ConvertPage(swapOrderRepository.QueryIPage(swapOrder, where));
    }

    private static Expression<Func<SwapOrder, bool>>? queryTree(QuerySwapOrderPageReq swapOrder, Expression<Func<SwapOrder, bool>>? where, ParameterExpression parameter)
    {
        if (!string.IsNullOrEmpty(swapOrder.Sn))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.Sn == swapOrder.Sn;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (!string.IsNullOrEmpty(swapOrder.VehicleNo))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.VehicleNo == swapOrder.VehicleNo;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (!string.IsNullOrEmpty(swapOrder.VehicleMac))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.VehicleMac == swapOrder.VehicleMac;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (!string.IsNullOrEmpty(swapOrder.VehicleVin))
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.VehicleVin == swapOrder.VehicleVin;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (swapOrder.SwapBeginTime != null && swapOrder.SwapBeginTime != DateTime.MinValue)
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.SwapBeginTime == swapOrder.SwapBeginTime;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (swapOrder.SwapEndTime != null && swapOrder.SwapEndTime != DateTime.MinValue)
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.SwapEndTime == swapOrder.SwapEndTime;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        if (swapOrder.SwapResult != 0)
        {
            Expression<Func<SwapOrder, bool>> condition2Expr = u => u.SwapResult == swapOrder.SwapResult;
            where = where == null
                ? condition2Expr
                : Expression.Lambda<Func<SwapOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body),
                    parameter);
        }

        return where;
    }
}