nhet_cn_back_main/Service/Station/ChargeOrderService.cs

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

namespace Service.Station;
/// <summary>
/// 充电订单
/// </summary>
[Scope("SingleInstance")]
public class ChargeOrderService : BaseServices<ChargeOrder>
{
    ChargeOrderRepository chargeOrderRepository;
    public ChargeOrderService(ChargeOrderRepository dal)
    {
        chargeOrderRepository = dal;
        BaseDal = dal;
    }


    /// <summary>
    /// 根据条件查询分页数据
    /// </summary>
    /// <param name="equipAlarmLevel"></param>
    /// <returns></returns>
    public PageResult<ChargeOrderResp> QueryChargeOrder(QueryChargeOrderReq chargeOrder)
    {

        //创建一个空的表达式树
        Expression<Func<ChargeOrder, bool>> where = null;
        //// 定义参数表达式
        ParameterExpression parameter = Expression.Parameter(typeof(ChargeOrder), "u");
        
        #region 构建动态查询树
        where = queryTree(chargeOrder, where, parameter);

        #endregion

        //查询
        return PageResult<ChargeOrderResp>.ConvertPage(chargeOrderRepository.QueryIPage(chargeOrder, where));

    }
    /// <summary>
    /// 导出充电订单
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    public async Task<IActionResult> ExportChargeOrder(QueryChargeOrderReq chargeOrder)
    {
        // 查询订单
        List<ChargeOrder> chargeOrders = await QueryChargeOrderListAsync(chargeOrder);
        
        var config = new MapperConfiguration(cfg => 
            { cfg.CreateMap<ChargeOrderDto, ChargeOrder>().ReverseMap(); });
        IMapper mapper = config.CreateMapper();

        List<ChargeOrderDto> list = mapper.Map<List<ChargeOrderDto>>(chargeOrders);

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

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

        // 查询需要导出充电订单 不分页
        return await chargeOrderRepository.QueryChargeOrderList(where);
    }
    
    private static Expression<Func<ChargeOrder, bool>>? queryTree(QueryChargeOrderReq chargeOrder, Expression<Func<ChargeOrder, bool>>? where, ParameterExpression parameter)
    {
        if (chargeOrder.Id != 0)
        {
            Expression<Func<ChargeOrder, bool>> condition1Expr = u => u.Id == chargeOrder.Id;
            where = condition1Expr;
        }
        if (!string.IsNullOrEmpty(chargeOrder.Sn))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.Sn == chargeOrder.Sn;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (!string.IsNullOrEmpty(chargeOrder.BatteryNo))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.BatteryNo == chargeOrder.BatteryNo;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
      
        if (!string.IsNullOrEmpty(chargeOrder.ChargerNo))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ChargerNo == chargeOrder.ChargerNo;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
     
     
     
        if (chargeOrder.StartTime != null && chargeOrder.StartTime != DateTime.MinValue)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.StartTime == chargeOrder.StartTime;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (chargeOrder.EndTime != null && chargeOrder.EndTime != DateTime.MinValue)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.EndTime == chargeOrder.EndTime;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (chargeOrder.ChargeTimeCount!=null)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ChargeTimeCount == chargeOrder.ChargeTimeCount;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (chargeOrder.StopReason != null)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.StopReason == chargeOrder.StopReason;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (!string.IsNullOrEmpty(chargeOrder.ElecPriceModelVersion))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.ElecPriceModelVersion == chargeOrder.ElecPriceModelVersion;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (!string.IsNullOrEmpty(chargeOrder.SwapOrderSn))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.SwapOrderSn == chargeOrder.SwapOrderSn;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (chargeOrder.CloudReportStatus != null)
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.CloudReportStatus == chargeOrder.CloudReportStatus;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }
        if (!string.IsNullOrEmpty(chargeOrder.CloudChargeOrder))
        {
            Expression<Func<ChargeOrder, bool>> condition2Expr = u => u.CloudChargeOrder == chargeOrder.CloudChargeOrder;
            where = where == null ? condition2Expr : Expression.Lambda<Func<ChargeOrder, bool>>(Expression.AndAlso(where.Body, condition2Expr.Body), parameter);
        }

        return where;
    }

    
    /// <summary>
    ///
    /// </summary>
    /// <param name="id"></param>
    /// <returns></returns>
    public  Result<bool> Upload2Cloud(string cloudChargerOrder)
    {
        List<ChargeOrder> orders = BaseDal.QueryListByClause(it => it.CloudChargeOrder == cloudChargerOrder);
        if (ObjUtils.IsEmpty(orders))
        {
            return Result<bool>.Fail("数据不存在");
        }

        if ( orders[0].CloudReportStatus == 1)
        {
            return Result<bool>.Success(true, "已经上传到云平台");
        }

        CloudClientMgr.CloudClient?.PublishChargeOrder(orders, 2);
        return Result<bool>.Success();
    }
}