From 27f29826bcff850553db1cb0d26fba9736f9830b Mon Sep 17 00:00:00 2001
From: forely <1605769034@qq.com>
Date: Tue, 3 Jun 2025 22:00:03 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E8=AF=84=E8=AE=BA=E5=AF=B9?=
 =?UTF-8?q?=E5=BA=94=E7=9A=84=E6=95=B0=E9=87=8F=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
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---
 .../luojia-island/.vscode/launch.json         | 22 +++++++++++++
 .../post/service/impl/CommentServiceImpl.java | 32 +++++++++++++++----
 2 files changed, 48 insertions(+), 6 deletions(-)
 create mode 100644 珞珈岛-项目相关文件/luojia-island/.vscode/launch.json

diff --git a/珞珈岛-项目相关文件/luojia-island/.vscode/launch.json b/珞珈岛-项目相关文件/luojia-island/.vscode/launch.json
new file mode 100644
index 0000000..6f5b8c4
--- /dev/null
+++ b/珞珈岛-项目相关文件/luojia-island/.vscode/launch.json
@@ -0,0 +1,22 @@
+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+    {
+        "name": "Launch Edge",
+        "request": "launch",
+        "type": "msedge",
+        "url": "http://localhost:8080",
+        "webRoot": "${workspaceFolder}"
+    },
+        {
+            "type": "msedge",
+            "request": "launch",
+            "name": "针对 localhost 启动 Edge",
+            "url": "http://localhost:8080",
+            "webRoot": "${workspaceFolder}"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/service/impl/CommentServiceImpl.java b/珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/service/impl/CommentServiceImpl.java
index 764d485..26cf113 100644
--- a/珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/service/impl/CommentServiceImpl.java
+++ b/珞珈岛-项目相关文件/luojia-island/service/src/main/java/com/luojia_channel/modules/post/service/impl/CommentServiceImpl.java
@@ -185,22 +185,42 @@ public class CommentServiceImpl extends ServiceImpl<CommentMapper, Comment> impl
     @Transactional(rollbackFor = Exception.class)
     public void deleteComment(Long id) {
         validatePostUtil.validateCommentOwnership(id);
-        LambdaQueryWrapper<Comment> queryWrapper = Wrappers.lambdaQuery(Comment.class)
-                .eq(Comment::getTopId, id);
-        int delete = commentMapper.delete(queryWrapper);
-        if(delete <= 0) {
-            throw new PostException("删除评论失败");
-        }
         Comment comment = commentMapper.selectById(id);
         if(comment.getId().equals(comment.getTopId())) {
+            LambdaQueryWrapper<Comment> queryWrapper = Wrappers.lambdaQuery(Comment.class)
+                    .eq(Comment::getTopId, id);
+            int delete = commentMapper.delete(queryWrapper);
+            if(delete <= 0) {
+                throw new PostException("删除根评论失败");
+            }
+            Post post = postMapper.selectById(comment.getPostId());
+            post.setCommentCount(post.getCommentCount() - delete);
+            postMapper.updateById(post);
+
             redisUtil.zRemove("post:comment_by_time:" + comment.getPostId(), comment.getId());
             redisUtil.zRemove("post:comment_by_hot:" + comment.getPostId(), comment.getId());
             redisUtil.delete("comment:reply_by_time:" + comment.getTopId());
             redisUtil.delete("comment:reply_by_hot:" + comment.getTopId());
         }else{
+            int delete = commentMapper.deleteById(id);
+            if(delete <= 0){
+                throw new PostException("删除评论失败");
+            }
+            Post post = postMapper.selectById(comment.getPostId());
+            post.setCommentCount(post.getCommentCount() - delete);
+            postMapper.updateById(post);
+
+            Comment parentComment = commentMapper.selectById(comment.getParentCommentId());
+            Comment topComment = commentMapper.selectById(comment.getTopId());
+            parentComment.setReplyCount(parentComment.getReplyCount() - delete);
+            topComment.setReplyCount(topComment.getReplyCount() - delete);
+            updateById(parentComment);
+            updateById(topComment);
+
             redisUtil.zRemove("comment:reply_by_time:" + comment.getTopId(), comment.getId());
             redisUtil.zRemove("comment:reply_by_hot:" + comment.getTopId(), comment.getId());
         }
+
         // TODO 如果根评论删除，那么其他评论怎么办，目前做法是删除其下所有的子评论
     }