From 2eff707f6d10ed5deb3bcd2f97c5acd6647a4673 Mon Sep 17 00:00:00 2001
From: Menci <huanghaorui301@gmail.com>
Date: Thu, 25 Apr 2019 11:11:19 +0800
Subject: [PATCH] Delete comments on deleting article in discussion

---
 modules/discussion.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/discussion.js b/modules/discussion.js
index 9ba0e96..7226a1f 100644
--- a/modules/discussion.js
+++ b/modules/discussion.js
@@ -201,6 +201,10 @@ app.post('/article/:id/delete', async (req, res) => {
       if (!await article.isAllowedEditBy(res.locals.user)) throw new ErrorMessage('您没有权限进行此操作。');
     }
 
+    await Promise.all((await ArticleComment.find({
+      article_id: article.id
+    })).map(comment => comment.destroy()))
+
     await article.destroy();
 
     res.redirect(syzoj.utils.makeUrl(['discussion', 'global']));