Workgroup::setIndex

static function setIndex($params = array()): void
{
	global $DB;

	static $connection = null;

	if (!is_array($params))
	{
		return;
	}

	$fields = (isset($params['fields']) ? $params['fields'] : array());

	if (
		!is_array($fields)
		|| empty($fields)
	)
	{
		return;
	}

	$groupId = (isset($fields['ID']) ? intval($fields['ID']) : 0);

	if ($groupId <= 0)
	{
		return;
	}

	$content = self::getGroupContent(array(
		'id' => $groupId,
		'fields' => $fields
	));

	$content = self::prepareToken($content);

	$event = new MainEvent(
		'socialnetwork',
		'onWorkgroupIndexGetContent',
		array(
			'groupId' => $groupId,
		)
	);
	$event->send();

	foreach($event->getResults() as $eventResult)
	{
		if ($eventResult->getType() == BitrixMainEventResult::SUCCESS)
		{
			$eventParams = $eventResult->getParameters();

			if (
				is_array($eventParams)
				&& isset($eventParams['content'])
			)
			{
				$eventContent = $eventParams['content'];
				if (MainLoader::includeModule('search'))
				{
					$eventContent = CSearch::killTags($eventContent);
				}
				$eventContent = trim(str_replace(
					array("r", "n", "t"),
					" ",
					$eventContent
				));

				$eventContent = self::prepareToken($eventContent);
				if (!empty($eventContent))
				{
					$content .= ' '.$eventContent;
				}
			}
		}
	}

	if (!empty($content))
	{
		if ($connection === null)
		{
			$connection = BitrixMainApplication::getConnection();
		}

		$value = $DB->forSql($content);
		$encryptedValue = sha1($content);

		$connection->query("UPDATE ".WorkgroupTable::getTableName()." SET SEARCH_INDEX = IF(SHA1(SEARCH_INDEX) = '{$encryptedValue}', SEARCH_INDEX, '{$value}') WHERE ID = {$groupId}");
	}
}