Topic::onBeforeUpdate

static function onBeforeUpdate(MainORMEvent $event)
{
	$result = new MainORMEventResult();
	/** @var array $data */
	$data = $event->getParameter("fields");
	$id = $event->getParameter("id");
	$id = $id["ID"];
	$topic = TopicTable::getById($id)->fetch();

	if (MainConfigOption::get("forum", "FILTER", "Y") == "Y")
	{
		$filteredFields = self::getFilteredFields();
		if (!empty(array_intersect($filteredFields, array_keys($data))))
		{
			$res = [];
			foreach ($filteredFields as $key)
			{
				$res[$key] = $val = array_key_exists($key, $data) ? $data[$key] : $topic[$key];
				if (!empty($val))
				{
					$res[$key] = CFilterUnquotableWords::Filter($val);
					if (empty($res[$key]))
					{
						$res[$key] = "*";
					}
				}
			}
			$data["HTML"] = serialize($res);
		}
	}
	if (array_key_exists("TITLE_SEO", $data) || array_key_exists("TITLE", $data))
	{
		$data["TITLE_SEO"] = trim($data["TITLE_SEO"], " -");
		if ($data["TITLE_SEO"] == '')
		{
			$title = array_key_exists("TITLE", $data) ? $data["TITLE"] : $topic["TITLE"];
			$data["TITLE_SEO"] = CUtil::translit($title, LANGUAGE_ID, array("max_len"=>255, "safe_chars"=>".", "replace_space" => '-'));
		}
	}
	if ($data != $event->getParameter("fields"))
	{
		$result->modifyFields($data);
	}
	return self::modifyData($event, $result);
}