From b9abfcfde7429fc8eb58d34e87abcd3ffd7cd72f Mon Sep 17 00:00:00 2001
From: Lephe <sebastien.michelland@protonmail.com>
Date: Mon, 12 Jul 2021 22:33:17 +0200
Subject: [PATCH] forum: properly redirect topic after changing forum

The URL changes so using the referrer is not much of an option.
---
 app/routes/posts/edit.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/routes/posts/edit.py b/app/routes/posts/edit.py
index ca53afb..da4d703 100644
--- a/app/routes/posts/edit.py
+++ b/app/routes/posts/edit.py
@@ -79,7 +79,11 @@ def edit_post(postid):
         for a, file in attachments:
             a.set_file(file)
 
-        return redirect(referrer)
+        # Determine topic URL now, in case forum was changed
+        if isinstance(p, Topic):
+            return redirect(url_for('forum_topic', f=p.forum, page=(p,1)))
+        else:
+            return redirect(referrer)
 
     # Non-submitted form
     if isinstance(p, Comment):