App\Libraries\OsuAuthorize::checkBeatmapDiscussionPostEdit PHP Method

    public function checkBeatmapDiscussionPostEdit($user, $post)
    {
        $prefix = 'beatmap_discussion_post.edit.';
        $this->ensureLoggedIn($user);
        $this->ensureCleanRecord($user);
        if ($post->system) {
            return $prefix . 'system_generated';
        }
        if ($user->user_id !== $post->user_id) {
            return $prefix . 'not_owner';
        }
        return 'ok';
    }