From fc8b51f40e71aa09bb49f407c1e9f68ac94ceb58 Mon Sep 17 00:00:00 2001
From: mitao <2763622819@qq.com>
Date: 星期一, 29 七月 2024 18:51:32 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'

---
 ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsCategoryServiceImpl.java |   26 ++++++++++++++++++++++----
 1 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsCategoryServiceImpl.java b/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsCategoryServiceImpl.java
index fb7191b..c038faf 100644
--- a/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsCategoryServiceImpl.java
+++ b/ruoyi-modules/ruoyi-goods/src/main/java/com/ruoyi/goods/service/impl/GoodsCategoryServiceImpl.java
@@ -1,17 +1,22 @@
 package com.ruoyi.goods.service.impl;
 
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.ruoyi.common.core.exception.ServiceException;
 import com.ruoyi.common.core.utils.StringUtils;
 import com.ruoyi.common.core.utils.page.BeanUtils;
 import com.ruoyi.common.core.utils.page.PageDTO;
-import com.ruoyi.goods.controller.mamagement.DTO.GoodsCategoryDTO;
-import com.ruoyi.goods.controller.mamagement.DTO.GoodsCategoryQuery;
-import com.ruoyi.goods.controller.mamagement.VO.GoodsCategoryVO;
-import com.ruoyi.goods.domain.pojo.GoodsCategory;
+import com.ruoyi.goods.controller.management.dto.GoodsCategoryDTO;
+import com.ruoyi.goods.controller.management.dto.GoodsCategoryQuery;
+import com.ruoyi.goods.controller.management.vo.GoodsCategoryVO;
 import com.ruoyi.goods.mapper.GoodsCategoryMapper;
+import com.ruoyi.goods.mapper.GoodsSkuMapper;
 import com.ruoyi.goods.service.IGoodsCategoryService;
+import com.ruoyi.system.api.domain.GoodsCategory;
+import com.ruoyi.system.api.domain.GoodsSku;
 import java.util.List;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 /**
@@ -23,8 +28,10 @@
  * @since 2024-05-16
  */
 @Service
+@RequiredArgsConstructor
 public class GoodsCategoryServiceImpl extends ServiceImpl<GoodsCategoryMapper, GoodsCategory> implements IGoodsCategoryService {
 
+    private final GoodsSkuMapper goodsSkuMapper;
     /**
      * 获取商品类别列表。
      * <p>此方法不接受任何参数,它会调用 {@code list()} 方法获取当前类别列表,并将其转换为 {@code GoodsCategoryVO} 类型的列表后返回。</p>
@@ -48,6 +55,7 @@
         Page<GoodsCategory> page = this.lambdaQuery()
                 .like(StringUtils.isNotEmpty(query.getCategoryName()),
                         GoodsCategory::getCategoryName, query.getCategoryName())
+                .orderByDesc(GoodsCategory::getCreateTime)
                 .page(new Page<>(query.getPageCurr(), query.getPageSize()));
         if (StringUtils.isEmpty(page.getRecords())) {
             return PageDTO.empty(page.getTotal(), page.getPages());
@@ -69,4 +77,14 @@
             this.updateById(goodsCategory);
         }
     }
+
+    @Override
+    public void delete(Long id) {
+        Long count = goodsSkuMapper.selectCount(
+                Wrappers.lambdaQuery(GoodsSku.class).eq(GoodsSku::getCategoryId, id));
+        if (count > 0) {
+            throw new ServiceException("该分类已有商品关联,不能删除");
+        }
+        this.removeById(id);
+    }
 }

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