maersai_heavy_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;

namespace Service.Station;
/// <summary>
/// 充电订单
/// </summary>
[Scope("SingleInstance")]
public class SwapOrderService : BaseServices<SwapOrder>
{
    SwapOrderRepository swapOrderRepository;
    public SwapOrderService(SwapOrderRepository dal)
    {
        swapOrderRepository = dal;
        BaseDal = dal;
    }


    /// <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
        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);
        }
        #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.QueryIPageByCause(swapOrder, where));


    }
}