[FIX] website_forum: avoid retag karma check if not change in tags

When a user attempted to edit his answer,
and had not enough karma to edit the tags
of the post, he was always restricted,
even if he made no changes within
the post tags.

opw-670090

1 files changed, 2 insertions, 1 deletions

diff --git a/addons/website_forum/models/forum.py b/addons/website_forum/models/forum.py
index 24109c166a9..0b361b2e2a8 100644
--- a/addons/website_forum/models/forum.py
+++ b/addons/website_forum/models/forum.py
@@ -483,7 +483,8 @@ class Post(models.Model):
                     post.create_uid.sudo().add_karma(post.forum_id.karma_gen_answer_accepted * mult)
                     self.env.user.sudo().add_karma(post.forum_id.karma_gen_answer_accept * mult)
         if 'tag_ids' in vals:
-            if any(self.env.user.karma < post.forum_id.karma_edit_retag for post in self):
+            tag_ids = set(tag.get('id') for tag in self.resolve_2many_commands('tag_ids', vals['tag_ids']))
+            if any(set(post.tag_ids) != tag_ids for post in self) and any(self.env.user.karma < post.forum_id.karma_edit_retag for post in self):
                 raise KarmaError(_('Not enough karma to retag.'))
         if any(key not in ['state', 'active', 'is_correct', 'closed_uid', 'closed_date', 'closed_reason_id', 'tag_ids'] for key in vals.keys()) and any(not post.can_edit for post in self):
             raise KarmaError('Not enough karma to edit a post.')