【优化】优化商品列表的筛选排序方式。

CoreCms.Net.Repository/Good/CoreCmsGoodsRepository.cs

@@ -24,6 +24,7 @@ using CoreCms.Net.Model.ViewModels.UI;
 using CoreCms.Net.Utility.Helper;
 using Newtonsoft.Json;
 using SqlSugar;
+using static SKIT.FlurlHttpClient.Wechat.Api.Models.ScanProductAddV2Request.Types.Product.Types;
 
 namespace CoreCms.Net.Repository
 {
@@ -1667,101 +1668,99 @@ namespace CoreCms.Net.Repository
         #endregion
 
         #region 重写根据条件及自定义排序查询分页数据（返回DTO）
+
         /// <summary>
         ///     重写根据条件及自定义排序查询分页数据（返回DTO）
         /// </summary>
         /// <param name="predicate"></param>
+        /// <param name="orderByExpression">排序方式组合</param>
         /// <param name="pageIndex">当前页面索引</param>
         /// <param name="pageSize">分布大小</param>
         /// <param name="blUseNoLock">是否使用WITH(NOLOCK)</param>
         /// <returns></returns>
-        public async Task<IPageList<GoodListDTO>> QueryPageByDTOAsync(Expression<Func<GoodListDTO, bool>> predicate, int pageIndex = 1, int pageSize = 20, bool blUseNoLock = false)
+        public async Task<IPageList<GoodListDTO>> QueryPageByDTOAsync(Expression<Func<GoodListDTO, bool>> predicate, string orderByExpression, int pageIndex = 1, int pageSize = 20, bool blUseNoLock = false)
         {
             RefAsync<int> totalCount = 0;
-            List<GoodListDTO> page;
+            var sqlCom = DbClient.Queryable<CoreCmsGoods, CoreCmsProducts>((good, pd) => new JoinQueryInfos(
+                JoinType.Left, good.id == pd.goodsId))
+                    .Where((good, pd) => pd.isDefalut == true && pd.isDel == false && good.isMarketable == true && good.isDel == false)
+                    .Select((good, pd) => new GoodListDTO
+                    {
+                        id = good.id,
+                        name = good.name,
+                        brief = good.brief,
+                        image = !SqlFunc.IsNullOrEmpty(good.image) ? good.image : EmptyOrNullImagePath.GoodImage,
+                        video = good.video,
+                        goodsCategoryId = good.goodsCategoryId,
+                        goodsTypeId = good.goodsTypeId,
+                        brandId = good.brandId,
+                        isNomalVirtual = good.isNomalVirtual,
+                        unit = good.unit,
+                        commentsCount = good.commentsCount,
+                        viewCount = good.viewCount,
+                        buyCount = SqlFunc.Subqueryable<CoreCmsOrderItem>()
+                            .LeftJoin<CoreCmsOrder>((sOrderItem, sOrder) => sOrder.orderId == sOrderItem.orderId)
+                            .Where((sOrderItem, sOrder) => sOrderItem.goodsId == good.id && (sOrder.payStatus == (int)GlobalEnumVars.OrderPayStatus.Yes || sOrder.payStatus == (int)GlobalEnumVars.OrderPayStatus.PartialYes))
+                            .Sum((sOrderItem, sOrder) => sOrderItem.nums),
+                        sort = good.sort,
+                        labelIds = good.labelIds,
+                        createTime = good.createTime,
+                        isRecommend = good.isRecommend,
+                        isHot = good.isHot,
+                        price = pd.price,
+                        mktprice = pd.mktprice,
+                        stock = pd.stock,
+                        pointsDeduction = pd.pointsDeduction,
+                        points = pd.points,
+                        weight = pd.weight,
+                        initialSales = good.initialSales,
+                    }).MergeTable();
             if (blUseNoLock)
             {
-                page = await DbClient.Queryable<CoreCmsGoods, CoreCmsProducts>((good, pd) => new JoinQueryInfos(
-                            JoinType.Left, good.id == pd.goodsId))
-                    .Where((good, pd) => pd.isDefalut == true && pd.isDel == false && good.isMarketable == true && good.isDel == false)
-                    .Select((good, pd) => new GoodListDTO
-                    {
-                        id = good.id,
-                        name = good.name,
-                        brief = good.brief,
-                        image = !SqlFunc.IsNullOrEmpty(good.image) ? good.image : EmptyOrNullImagePath.GoodImage,
-                        video = good.video,
-                        goodsCategoryId = good.goodsCategoryId,
-                        goodsTypeId = good.goodsTypeId,
-                        brandId = good.brandId,
-                        isNomalVirtual = good.isNomalVirtual,
-                        unit = good.unit,
-                        commentsCount = good.commentsCount,
-                        viewCount = good.viewCount,
-                        buyCount = SqlFunc.Subqueryable<CoreCmsOrderItem>()
-                            .LeftJoin<CoreCmsOrder>((sOrderItem, sOrder) => sOrder.orderId == sOrderItem.orderId)
-                            .Where((sOrderItem, sOrder) => sOrderItem.goodsId == good.id && (sOrder.payStatus == (int)GlobalEnumVars.OrderPayStatus.Yes || sOrder.payStatus == (int)GlobalEnumVars.OrderPayStatus.PartialYes))
-                            .Sum((sOrderItem, sOrder) => sOrderItem.nums),
-                        sort = good.sort,
-                        labelIds = good.labelIds,
-                        createTime = good.createTime,
-                        isRecommend = good.isRecommend,
-                        isHot = good.isHot,
-                        price = pd.price,
-                        mktprice = pd.mktprice,
-                        stock = pd.stock,
-                        pointsDeduction = pd.pointsDeduction,
-                        points = pd.points,
-                        weight = pd.weight,
-                        initialSales = good.initialSales,
-                    })
-                    .With(SqlWith.NoLock)
-                    .MergeTable()
-                    .Where(predicate)
-                    .OrderBy(it => SqlFunc.Desc(it.isRecommend)).OrderBy(it => SqlFunc.Desc(it.isHot))
-                    .ToPageListAsync(pageIndex, pageSize, totalCount);
+                sqlCom.With(SqlWith.NoLock);
             }
-            else
+
+            sqlCom.Where(predicate);
+
+            sqlCom.OrderBy(it => it.isRecommend, OrderByType.Desc).OrderBy(it => it.isHot, OrderByType.Desc);
+
+            //为了防止sql注入，所以需要遍历一遍，改成参数化执行sql
+            if (!string.IsNullOrEmpty(orderByExpression))
             {
-                page = await DbClient.Queryable<CoreCmsGoods, CoreCmsProducts>((good, pd) => new JoinQueryInfos(
-                            JoinType.Left, good.id == pd.goodsId))
-                    .Where((good, pd) => pd.isDefalut == true && pd.isDel == false && good.isMarketable == true && good.isDel == false)
-                    .Select((good, pd) => new GoodListDTO
+                var orderByArr = orderByExpression.Split(',');
+                foreach (var orderString in orderByArr)
+                {
+                    if (orderString.Contains("price asc"))
                     {
-                        id = good.id,
-                        name = good.name,
-                        brief = good.brief,
-                        image = !SqlFunc.IsNullOrEmpty(good.image) ? good.image : EmptyOrNullImagePath.GoodImage,
-                        video = good.video,
-                        goodsCategoryId = good.goodsCategoryId,
-                        goodsTypeId = good.goodsTypeId,
-                        brandId = good.brandId,
-                        isNomalVirtual = good.isNomalVirtual,
-                        unit = good.unit,
-                        commentsCount = good.commentsCount,
-                        viewCount = good.viewCount,
-                        buyCount = SqlFunc.Subqueryable<CoreCmsOrderItem>()
-                            .LeftJoin<CoreCmsOrder>((sOrderItem, sOrder) => sOrder.orderId == sOrderItem.orderId)
-                            .Where((sOrderItem, sOrder) => sOrderItem.goodsId == good.id && (sOrder.payStatus == (int)GlobalEnumVars.OrderPayStatus.Yes || sOrder.payStatus == (int)GlobalEnumVars.OrderPayStatus.PartialYes))
-                            .Sum((sOrderItem, sOrder) => sOrderItem.nums),
-                        sort = good.sort,
-                        labelIds = good.labelIds,
-                        createTime = good.createTime,
-                        isRecommend = good.isRecommend,
-                        isHot = good.isHot,
-                        price = pd.price,
-                        mktprice = pd.mktprice,
-                        stock = pd.stock,
-                        pointsDeduction = pd.pointsDeduction,
-                        points = pd.points,
-                        weight = pd.weight,
-                        initialSales = good.initialSales,
-                    })
-                    .MergeTable()
-                    .Where(predicate)
-                    .OrderBy(it => SqlFunc.Desc(it.isRecommend)).OrderBy(it => SqlFunc.Desc(it.isHot))
-                    .ToPageListAsync(pageIndex, pageSize, totalCount);
+                        sqlCom.OrderBy(it => it.price, OrderByType.Asc);
+                    }
+                    else if (orderString.Contains("price desc"))
+                    {
+                        sqlCom.OrderBy(it => it.price, OrderByType.Desc);
+                    }
+
+                    if (orderString.Contains("buyCount asc"))
+                    {
+                        sqlCom.OrderBy(it => it.buyCount, OrderByType.Asc);
+                    }
+                    else if (orderString.Contains("buyCount desc"))
+                    {
+                        sqlCom.OrderBy(it => it.buyCount, OrderByType.Desc);
+                    }
+
+                    if (orderString.Contains("sort asc"))
+                    {
+                        sqlCom.OrderBy(it => it.sort, OrderByType.Asc);
+                    }
+                    else if (orderString.Contains("sort desc"))
+                    {
+                        sqlCom.OrderBy(it => it.sort, OrderByType.Desc);
+                    }
+                }
             }
+
+            List<GoodListDTO> page = await sqlCom.ToPageListAsync(pageIndex, pageSize, totalCount);
+
             var list = new PageList<GoodListDTO>(page, pageIndex, pageSize, totalCount);
             return list;