public static function updated($user)
{
$query = ForumPost::none();
if (!$user->is_anonymous()) {
$query->where("creator_id <> " . $user->id);
}
$newest_topic = $query->order("id desc")->limit(1)->select("created_at")->first();
if (!$newest_topic) {
return false;
}
return $newest_topic->created_at > $user->last_forum_topic_read_at;
}