2.11 删除博客时跟新标签和话题的引用数量

src/main/java/cn/meteor/beyondclouds/modules/blog/service/impl/BlogServiceImpl.java

@@ -202,11 +202,17 @@ public class BlogServiceImpl extends ServiceImpl<BlogMapper, Blog> implements IB
         //4.删除博客标签
         //4.删除博客标签
         QueryWrapper<BlogTag> queryWrapperTag = new QueryWrapper();
         QueryWrapper<BlogTag> queryWrapperTag = new QueryWrapper();
         queryWrapperTag.eq("blog_id", blogId);
         queryWrapperTag.eq("blog_id", blogId);
+        //引用标签数量减一
+        List<String> tags = blogTagService.list(queryWrapperTag).stream().map(BlogTag::getTagId).collect(Collectors.toList());
+        tagService.decreaseReferenceCountBatch(tags,1);
         blogTagService.remove(queryWrapperTag);
         blogTagService.remove(queryWrapperTag);
 
 
         //5.删除博客引用的话题
         //5.删除博客引用的话题
         QueryWrapper<TopicReference> queryWrapperTopic = new QueryWrapper();
         QueryWrapper<TopicReference> queryWrapperTopic = new QueryWrapper();
         queryWrapperTopic.eq("referencer_id", blogId);
         queryWrapperTopic.eq("referencer_id", blogId);
+        //引用话题数量减一
+        List<String> topicIds = topicReferenceService.list(queryWrapperTopic).stream().map(TopicReference::getTopicId).collect(Collectors.toList());
+        topicService.decreaseReferenceCountBatch(topicIds, 1);
         topicReferenceService.remove(queryWrapperTopic);
         topicReferenceService.remove(queryWrapperTopic);
 
 
         //6.删除博客表里的数据
         //6.删除博客表里的数据