mall：优化商品收藏的分页接口

YunaiV
1 parent 867293a4
Showing 7 changed files with 23 additions and 46 deletions
yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java
yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/controller/admin/favorite/ProductFavoriteController.java
yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/controller/admin/favorite/vo/ProductFavoritePageReqVO.java
yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/controller/admin/favorite/vo/ProductFavoriteRespVO.java
yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/convert/favorite/ProductFavoriteConvert.java
yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/dal/dataobject/favorite/ProductFavoriteDetailDO.java
yudao-module-mall/yudao-module-product-biz/src/main/java/cn/iocoder/yudao/module/product/dal/mysql/favorite/ProductFavoriteMapper.java
@@ -139,4 +139,5 @@ public interface BaseMapperX&lt;T&gt; extends MPJBaseMapper&lt;T&gt; {
         // 转换返回
         return new PageResult<>(mpPage.getRecords(), mpPage.getTotal());
     }
+
 }
@@ -41,20 +41,13 @@ public class ProductFavoriteController {
     @Operation(summary = "获得商品收藏分页")
     @PreAuthorize("@ss.hasPermission('product:favorite:query')")
     public CommonResult<PageResult<ProductFavoriteRespVO>> getFavoritePage(@Valid ProductFavoritePageReqVO pageVO) {
-        PageResult<ProductFavoriteDO> favoritePage = productFavoriteService.getFavoritePage(pageVO);
-        if (CollUtil.isEmpty(favoritePage.getList())) {
+        PageResult<ProductFavoriteDO> pageResult = productFavoriteService.getFavoritePage(pageVO);
+        if (CollUtil.isEmpty(pageResult.getList())) {
             return success(PageResult.empty());
         }
-
-        List<ProductSpuDO> list = productSpuService.getSpuList(convertSet(favoritePage.getList(), ProductFavoriteDO::getSpuId));
-
-        // 得到商品 spu 信息
-        List<ProductFavoriteRespVO> favorites =  ProductFavoriteConvert.INSTANCE.convertList2admin(favoritePage.getList(), list);
-
-        // 转换 VO 结果
-        PageResult<ProductFavoriteRespVO> pageResult = new PageResult<>(favoritePage.getTotal());
-        pageResult.setList(favorites);
-
-        return success(pageResult);
+        // 拼接数据
+        List<ProductSpuDO> spuList = productSpuService.getSpuList(convertSet(pageResult.getList(), ProductFavoriteDO::getSpuId));
+        return success(ProductFavoriteConvert.INSTANCE.convertPage(pageResult, spuList));
     }
+
 }
@@ -14,4 +14,5 @@ public class ProductFavoritePageReqVO extends PageParam {
     @Schema(description = "用户编号", example = "5036")
     private Long userId;
+
 }
@@ -15,4 +15,5 @@ public class ProductFavoriteRespVO  extends ProductSpuRespVO {
     @Schema(description = "spuId", requiredMode = Schema.RequiredMode.REQUIRED, example = "111")
     private Long spuId;
+
 }
 package cn.iocoder.yudao.module.product.convert.favorite;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.module.product.controller.admin.favorite.vo.ProductFavoriteRespVO;
 import cn.iocoder.yudao.module.product.controller.app.favorite.vo.AppFavoriteRespVO;
 import cn.iocoder.yudao.module.product.dal.dataobject.favorite.ProductFavoriteDO;
-import cn.iocoder.yudao.module.product.dal.dataobject.favorite.ProductFavoriteDetailDO;
 import cn.iocoder.yudao.module.product.dal.dataobject.spu.ProductSpuDO;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
@@ -13,7 +13,6 @@ import org.mapstruct.factory.Mappers;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertMap;
@@ -38,20 +37,18 @@ public interface ProductFavoriteConvert {
         return resultList;
     }
+    default PageResult<ProductFavoriteRespVO> convertPage(PageResult<ProductFavoriteDO> pageResult, List<ProductSpuDO> spuList) {
+        Map<Long, ProductSpuDO> spuMap = convertMap(spuList, ProductSpuDO::getId);
+        List<ProductFavoriteRespVO> voList = CollectionUtils.convertList(pageResult.getList(), favorite -> {
+            ProductSpuDO spu = spuMap.get(favorite.getSpuId());
+            return convert02(spu, favorite);
+        });
+        return new PageResult<>(voList, pageResult.getTotal());
+    }
     @Mapping(target = "id", source = "favorite.id")
     @Mapping(target = "userId", source = "favorite.userId")
     @Mapping(target = "spuId", source = "favorite.spuId")
     @Mapping(target = "createTime", source = "favorite.createTime")
-    ProductFavoriteRespVO convert2admin(ProductSpuDO spu, ProductFavoriteDO favorite);
-
-    default List<ProductFavoriteRespVO> convertList2admin(List<ProductFavoriteDO> favorites, List<ProductSpuDO> spus) {
-        List<ProductFavoriteRespVO> resultList = new ArrayList<>(spus.size());
-        for (ProductFavoriteDO favorite : favorites) {
-            Optional<ProductSpuDO> spu =  spus.stream().filter(e -> e.getId().equals(favorite.getSpuId())).findFirst();
-            resultList.add(convert2admin(spu.get(), favorite));
-        }
-        return resultList;
-    }
+    ProductFavoriteRespVO convert02(ProductSpuDO spu, ProductFavoriteDO favorite);
-    PageResult<ProductFavoriteRespVO> convertPage(PageResult<ProductFavoriteDetailDO> page);
 }
-package cn.iocoder.yudao.module.product.dal.dataobject.favorite;
-
-import cn.iocoder.yudao.module.product.dal.dataobject.spu.ProductSpuDO;
-import lombok.Data;
-
-/**
- * 商品收藏 DO
- *
- * @author 芋道源码
- */
-@Data
-public class ProductFavoriteDetailDO extends ProductFavoriteDO {
-
-    ProductSpuDO spuDO;
-}
@@ -2,11 +2,11 @@ package cn.iocoder.yudao.module.product.dal.mysql.favorite;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
 import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.product.controller.admin.favorite.vo.ProductFavoritePageReqVO;
 import cn.iocoder.yudao.module.product.controller.app.favorite.vo.AppFavoritePageReqVO;
 import cn.iocoder.yudao.module.product.dal.dataobject.favorite.ProductFavoriteDO;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
-import com.github.yulichang.wrapper.MPJLambdaWrapper;
 import org.apache.ibatis.annotations.Mapper;
 @Mapper
@@ -24,10 +24,9 @@ public interface ProductFavoriteMapper extends BaseMapperX&lt;ProductFavoriteDO&gt; {
     }
     default PageResult<ProductFavoriteDO> selectPageByUserId(ProductFavoritePageReqVO reqVO) {
-        return selectPage(reqVO, new MPJLambdaWrapper<ProductFavoriteDO>()
-                .selectAll(ProductFavoriteDO.class)
-                .eq(ProductFavoriteDO::getUserId, reqVO.getUserId())
-                .orderByDesc(ProductFavoriteDO::getCreateTime));
+        return selectPage(reqVO, new LambdaQueryWrapperX<ProductFavoriteDO>()
+                .eqIfPresent(ProductFavoriteDO::getUserId, reqVO.getUserId())
+                .orderByDesc(ProductFavoriteDO::getId));
     }
     default Long selectCountByUserId(Long userId) {