micro_mall_api/ARW.Service/Business/BusinessService/GoodsManager/Goodss/GoodsService.cs

using Infrastructure.Attribute;
using Microsoft.AspNetCore.Http;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Infrastructure;
using ARW.Model;
using ARW.Repository;
using ARW.Repository.Business.GoodsManager.Goodss;
using ARW.Service.Business.IBusinessService.GoodsManager.Goodss;
using ARW.Model.Dto.Business.GoodsManager.Goodss;
using ARW.Model.Models.Business.GoodsManager.Goodss;
using ARW.Model.Vo.Business.GoodsManager.Goodss;
using ARW.Model.Models.Business.ShopManager.Shops;

namespace ARW.Service.Business.BusinessService.GoodsManager.Goodss
{
    /// <summary>
    /// 商品接口实现类
    ///
    /// @author 黎文豪
    /// @date 2023-06-19
    /// </summary>
    [AppService(ServiceType = typeof(IGoodsService), ServiceLifetime = LifeTime.Transient)]
    public class GoodsServiceImpl : BaseService<Goods>, IGoodsService
    {
        private readonly GoodsRepository _GoodsRepository;

        public GoodsServiceImpl(GoodsRepository GoodsRepository)
        {
            this._GoodsRepository = GoodsRepository;
        }

        #region 业务逻辑代码


        /// <summary>
        /// 查询商品分页列表
        /// </summary>
        public async Task<PagedInfo<GoodsVo>> GetGoodsList(GoodsQueryDto parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<Goods>();

            predicate = predicate.AndIF(parm.ShopGuid != null, s => s.ShopGuid == parm.ShopGuid);
            predicate = predicate.AndIF(parm.GoodsCategoryGuid != null, s => s.GoodsCategoryGuid == parm.GoodsCategoryGuid);
            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.GoodsName), s => s.GoodsName.Contains(parm.GoodsName));
            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.GoodsCoding), s => s.GoodsCoding.Contains(parm.GoodsCoding));
            var query = _GoodsRepository
                .Queryable()
                .LeftJoin<Shop>((s, c) => s.ShopGuid == c.ShopGuid)
                .Where(predicate.ToExpression())
                .OrderBy(s => s.GoodsSort, OrderByType.Asc)
                .Select((s,c) => new GoodsVo
                {
                    GoodsId = s.GoodsId,
                    GoodsGuid = s.GoodsGuid,
                    ShopGuid = s.ShopGuid,
                    ShopName = c.ShopName,
                    GoodsCategoryGuid = s.GoodsCategoryGuid,
                    GoodsSkuGuid = s.GoodsSkuGuid,
                    DeliveryGuid = s.DeliveryGuid,
                    GoodsName = s.GoodsName,
                    GoodsCoding = s.GoodsCoding,
                    GoodsMainImageVideo = s.GoodsMainImageVideo,
                    GoodsVideoCover = s.GoodsVideoCover,
                    GoodsPicture = s.GoodsPicture,
                    GoodsSellingPoint = s.GoodsSellingPoint,
                    GoodsSpecType = s.GoodsSpecType,
                    GoodsPriceLowest = s.GoodsPriceLowest,
                    GoodsPriceHighest = s.GoodsPriceHighest,
                    GoodsDashedPriceLowest = s.GoodsDashedPriceLowest,
                    GoodsTotalInventory = s.GoodsTotalInventory,
                    GoodsSalesInitial = s.GoodsSalesInitial,
                    GoodsSalesActual = s.GoodsSalesActual,
                    GoodsDetails = s.GoodsDetails,
                    GoodsDeductStockType = s.GoodsDeductStockType,
                    GoodsIsPointsGift = s.GoodsIsPointsGift,
                    GoodsIsPointsDiscount = s.GoodsIsPointsDiscount,
                    GoodsIsAlonePointsDiscount = s.GoodsIsAlonePointsDiscount,
                    GoodsPointsDiscountConfig = s.GoodsPointsDiscountConfig,
                    GoodsIsEnableGrade = s.GoodsIsEnableGrade,
                    GoodsIsAloneGrade = s.GoodsIsAloneGrade,
                    GoodsAloneGradeEquity = s.GoodsAloneGradeEquity,
                    GoodsShelfStatus = s.GoodsShelfStatus,
                    GoodsSort = s.GoodsSort,
                });


            return await query.ToPageAsync(parm);
        }

        /// <summary>
        ///  添加或修改商品
        /// </summary>
        public async Task<string> AddOrUpdateGoods(Goods model)
        {
            if (model.GoodsId != 0)
            {
                var response = await _GoodsRepository.UpdateAsync(model);
                return "修改成功！";
            }
            else
            {

                var response = await _GoodsRepository.InsertReturnSnowflakeIdAsync(model);
                return "添加成功！";
            }
        }

        #region Excel处理
        /// <summary>
        /// 数据导入处理
        /// </summary>
        public async Task<GoodsVo> HandleImportData(GoodsVo Goods)
        {
            return Goods;
        }


        /// <summary>
        /// Excel导入
        /// </summary>
        public async Task<string> ImportExcel(Goods Goods, int index, bool isUpdateSupport, string user)
        {
            try
            {
                // 空值判断
                // if (Goods.GoodsId == null) throw new CustomException("商品不能为空");

                if (isUpdateSupport)
                {
                    // 判断唯一值
                    var model = await GetFirstAsync(s => s.GoodsId == Goods.GoodsId);

                    // 如果为空就新增数据
                    if (model == null)
                    {
                        // 开启事务
                        var res = await UseTranAsync(async () =>
                        {
                            var addRes = await AddOrUpdateGoods(Goods);
                        });
                        var addStr = $"第 {index} 行 => 商品：【{Goods.GoodsId}】<span style='color:#27af49'>新增成功!</span><br>";
                        return addStr;
                    }
                    else
                    {
                        // 如果有数据就进行修改
                        // 开启事务
                        await UseTranAsync(async () =>
                        {
                            Goods.GoodsId = model.GoodsId;
                            Goods.GoodsGuid = model.GoodsGuid;
                            Goods.Update_by = user;
                            Goods.Update_time = DateTime.Now;
                            var editRes = await AddOrUpdateGoods(Goods);
                        });
                        var editStr = $"第 {index} 行 => 商品：【{Goods.GoodsId}】<span style='color:#e6a23c'>更新成功!</span><br>";
                        return editStr;
                    }
                }
                else
                {
                    // 开启事务
                    var res = await UseTranAsync(async () =>
                    {
                        var addRes = await AddOrUpdateGoods(Goods);
                    });
                    //Console.WriteLine(res.IsSuccess);
                    var addStr = $"第 {index} 行 => 商品：【{Goods.GoodsId}】<span style='color:#27af49'>新增成功!</span><br>";
                    return addStr;
                }
            }
            catch (Exception ex)
            {
                var errorRes = $"第 {index} 行 => 商品：【{Goods.GoodsId}】<span style='color:red'>导入失败！{ex.Message}</span><br>";
                return errorRes;
                throw;
            }
        }



        /// <summary>
        /// Excel数据导出处理
        /// </summary>
        public async Task<List<GoodsVo>> HandleExportData(List<GoodsVo> data)
        {
            return data;
        }

        #endregion



        #endregion

    }
}