commit

src/main/java/com/huoran/iasf/controller/CategoryController.java

@@ -5,15 +5,20 @@ import com.huoran.iasf.common.exception.BusinessException;
 import com.huoran.iasf.common.exception.code.BaseResponseCode;
 import com.huoran.iasf.common.utils.R;
 import com.huoran.iasf.entity.Category;
+import com.huoran.iasf.entity.ProductDetails;
 import com.huoran.iasf.service.SysCategoryService;
+import com.huoran.iasf.service.SysProductDetailsService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.ObjectUtils;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -31,6 +36,9 @@ public class CategoryController {
     @Autowired
     private SysCategoryService service;
 
+    @Autowired
+    private SysProductDetailsService productDetailsService;
+
 
     /**
      * 保存或更新分类信息
@@ -47,14 +55,15 @@ public class CategoryController {
             boolean isDuplicate = false;
             if (category.getCategoryId() != null) {
                 // 更新逻辑，排除当前记录自身
-                isDuplicate = service.existsOtherByName(category.getName(), category.getCategoryId(), category.getSiteId(),category.getType());
+                isDuplicate = service.existsOtherByName(category.getName(), category.getCategoryId(),
+                        category.getSiteId(), category.getType());
             } else {
                 // 新增逻辑，直接检查名称是否存在
                 isDuplicate = service.existsByName(category.getName(), category.getSiteId(), category.getType());
             }
 
             if (isDuplicate) {
-                return R.fail("分类名称已存在，请检查后重新提交");
+                return R.fail("当前名称已存在，请检查后重新提交");
             }
 
             boolean operationResult = service.saveOrUpdate(category);
@@ -76,7 +85,8 @@ public class CategoryController {
      */
     @PostMapping("/list")
     @ApiOperation("根据类型获取分类列表")
-    public R categoryList(@ApiParam(value = "类型标识") @RequestParam(required = false) Integer type, @ApiParam(value = "站点id") @RequestParam(required = false) Integer siteId) {
+    public R categoryList(@ApiParam(value = "类型标识") @RequestParam(required = false) Integer type, @ApiParam(value =
+            "站点id") @RequestParam(required = false) Integer siteId) {
         QueryWrapper<Category> queryWrapper = new QueryWrapper<>();
         queryWrapper.eq("type", type);
         queryWrapper.eq("site_id", siteId);
@@ -84,6 +94,39 @@ public class CategoryController {
         return R.success(categories);
     }
 
+
+    @PostMapping("/hasBeenCitedInTheArticle")
+    @ApiOperation("已被文章引用的(在前台展示)")
+    public R hasBeenCitedInTheArticle(@ApiParam(value = "类型标识") @RequestParam(required = false) Integer type,
+                                      @ApiParam(value = "站点id") @RequestParam(required = false) Integer siteId) {
+
+        List<Category> categories = new ArrayList<>();
+        if (type == 0) {
+            //类型
+
+            categories = service.lookUpTheTypeOfReferenceBySite(siteId);
+
+
+        } else {
+            //分类、标签
+            String tagIds = service.queryLabelsReferencedWithinSite(siteId);
+            if (!StringUtils.isEmpty(tagIds)) {
+                //逗号循环分隔设置到集合中
+                String[] tagArray = tagIds.split(",");
+                for (String tagId : tagArray) {
+                    Category category = service.getById(tagId);
+                    if (!ObjectUtils.isEmpty(category)) {
+                        categories.add(category);
+                    }
+                }
+
+            }
+
+        }
+
+        return R.success(categories);
+    }
+
     /**
      * 查询分类详情
      *
@@ -112,4 +155,57 @@ public class CategoryController {
         boolean delState = service.removeByIds(ids);
         return R.result(delState, delState ? "批量删除成功" : "批量删除失败");
     }
+
+
+    // 常量定义
+    private static final String SUCCESS_MSG = "未被引用";
+    private static final String FAIL_MSG = "已被引用，确认删除将同时移除相关联的";
+
+    /**
+     * 校验：用于删除分类前校验文章是否引用过
+     * 如果引用过就要提示“xxxx已被文章引用，是否确认删除，删除后对应文章内设置的分类将一并被删除！”，
+     *
+     * @param categoryId
+     * @return
+     */
+    @PostMapping("/checkDelete")
+    @ApiOperation("检查分类是否已被引用")
+    public R checkDelete(@ApiParam("分类ID") @RequestParam Integer categoryId) {
+        // 验证分类ID是否有效
+        if (categoryId == null || categoryId <= 0) {
+            return R.fail("无效的分类ID");
+        }
+
+        // 查询分类信息
+        Category category = service.getById(categoryId);
+        if (category == null) {
+            return R.fail("分类不存在");
+        }
+
+        // 提取类型和站点ID
+        Integer type = category.getType();
+        Integer siteId = category.getSiteId();
+
+        // 构建响应消息前缀
+        String front = getFront(type);
+
+        // 业务逻辑调用
+        boolean isReferenced = service.checkDelete(siteId, categoryId, type);
+
+        // 根据结果返回响应
+        String message = isReferenced ? front + FAIL_MSG : front + SUCCESS_MSG + front;
+        return isReferenced ? R.warn(message) : R.success(message);
+    }
+
+    // 辅助方法：根据类型构建响应消息前缀
+    private String getFront(Integer type) {
+        if (type == 0) {
+            return "类型";
+        } else if (type == 1) {
+            return "标签/分类";
+        }
+        return ""; // 或者抛出异常，表明未知类型
+    }
+
+
 }

src/main/java/com/huoran/iasf/mapper/CategoryMapper.java

@@ -1,7 +1,10 @@
 package com.huoran.iasf.mapper;
 
-import com.huoran.iasf.entity.Category;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.huoran.iasf.entity.Category;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
 
 /**
  * <p>
@@ -13,4 +16,12 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
  */
 public interface CategoryMapper extends BaseMapper<Category> {
 
+    //校验：用于删除分类前校验文章是否引用过，如果引用过就要提示“xxxx已被文章引用，是否确认删除，删除后对应文章内设置的分类将一并被删除！”，参数为站点id，分类id，类型
+    int checkDelete(@Param("siteId") Integer siteId, @Param("categoryId") Integer categoryId,@Param("type") Integer type);
+
+    //查询站点内引用过的标签id
+    String queryLabelsReferencedWithinSite(@Param("siteId") Integer siteId);
+
+
+    List<Category> lookUpTheTypeOfReferenceBySite(@Param("siteId")Integer siteId);
 }

src/main/java/com/huoran/iasf/mapper/xml/CategoryMapper.xml

@@ -2,4 +2,49 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.huoran.iasf.mapper.CategoryMapper">
 
+
+    <!--校验：用于删除分类前校验文章是否引用过，如果引用过就要提示“xxxx已被文章引用，是否确认删除，删除后对应文章内设置的分类将一并被删除！”，参数为站点id，分类id，类型-->
+    <select id="checkDelete" resultType="java.lang.Integer">
+
+        SELECT
+            COUNT(1)
+        FROM
+            sys_product_details
+        WHERE
+            site_id = #{siteId}
+        <if test="type == 1">
+
+            AND find_in_set(  #{categoryId},category_id )
+        </if>
+
+        <if test="type == 0">
+            AND classification_tag_id in (#{categoryId})
+        </if>
+    </select>
+    <select id="queryLabelsReferencedWithinSite" resultType="java.lang.String">
+        SELECT
+            GROUP_CONCAT( DISTINCT category_id )
+        FROM
+            sys_product_details
+        WHERE
+            site_id = #{siteId}
+          AND ( category_id != NULL OR category_id != '' )
+          AND deleted = 1
+    </select>
+    <select id="lookUpTheTypeOfReferenceBySite" resultType="com.huoran.iasf.entity.Category">
+        SELECT
+            d.classification_tag_id,
+            c.*
+        FROM
+            sys_product_details d
+                INNER JOIN sys_category c ON c.category_id = d.classification_tag_id
+        WHERE
+            d.site_id = #{siteId}
+          AND ( d.classification_tag_id != NULL OR d.classification_tag_id != '' )
+          AND d.deleted = 1
+        GROUP BY
+            d.classification_tag_id
+    </select>
+
+
 </mapper>

src/main/java/com/huoran/iasf/mapper/xml/SysNavigationIconMapper.xml

@@ -27,6 +27,7 @@
         <if test='search != null and search != ""'>
             AND (i.title LIKE CONCAT('%', #{search}, '%') OR i.button_text LIKE CONCAT('%', #{search}, '%'))
         </if>
+        ORDER BY i.sort_order ASC
     </select>
 
 

src/main/java/com/huoran/iasf/service/SysCategoryService.java

@@ -3,6 +3,8 @@ package com.huoran.iasf.service;
 import com.huoran.iasf.entity.Category;
 import com.baomidou.mybatisplus.extension.service.IService;
 
+import java.util.List;
+
 /**
  * <p>
  * 产品与课程分类表 服务类
@@ -16,4 +18,11 @@ public interface SysCategoryService extends IService<Category> {
     boolean existsOtherByName(String name, Integer categoryId,Integer siteId, Integer type);
 
     boolean existsByName(String name,Integer siteId, Integer type);
+
+    boolean checkDelete(Integer siteId, Integer categoryId, Integer type);
+
+
+    String queryLabelsReferencedWithinSite(Integer siteId);
+
+    List<Category> lookUpTheTypeOfReferenceBySite(Integer siteId);
 }

src/main/java/com/huoran/iasf/service/impl/CategoryServiceImpl.java

@@ -5,8 +5,11 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.huoran.iasf.entity.Category;
 import com.huoran.iasf.mapper.CategoryMapper;
 import com.huoran.iasf.service.SysCategoryService;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 /**
  * <p>
  * 产品与课程分类表 服务实现类
@@ -43,4 +46,27 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category> i
         }
         return false;
     }
+
+    @Override
+    public boolean checkDelete(Integer siteId, Integer categoryId, Integer type) {
+        if (baseMapper.checkDelete(siteId, categoryId, type) > 0) {
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public String queryLabelsReferencedWithinSite(Integer siteId) {
+        if (!StringUtils.isEmpty(baseMapper.queryLabelsReferencedWithinSite(siteId))) {
+            return baseMapper.queryLabelsReferencedWithinSite(siteId);
+        }
+        return null;
+    }
+
+    @Override
+    public List<Category> lookUpTheTypeOfReferenceBySite(Integer siteId) {
+        return baseMapper.lookUpTheTypeOfReferenceBySite(siteId);
+    }
+
+
 }