ContentViewHandler::onContentViewed

static function onContentViewed(Event $event)
{
	$userId = intval($event->getParameter('userId'));
	$contentTypeId = $event->getParameter('typeId');
	$contentEntityId = intval($event->getParameter('entityId'));

	if (
		$userId <= 0
		|| !in_array($contentTypeId, self::getContentTypeIdList())
		|| $contentEntityId <= 0
	)
	{
		return false;
	}

	$subTagList = [];
	if ($contentTypeId == self::CONTENT_TYPE_ID_COMMENT)
	{
		$res = MessageTable::getList([
			'filter' => [
				'=ID' => $contentEntityId
			],
			'select' => [ 'XML_ID' ]
		]);
		if ($message = $res->fetch())
		{
			if (preg_match("/^TASK_(.+)$/", $message["XML_ID"], $match))
			{
				$taskId = intval($match[1]);

				$event = new Event(
					'forum', 'onTaskCommentContentViewed',
					[
						'userId' => $userId,
						'taskId' => $taskId,
						'commentId' => $contentEntityId
					]
				);
				$event->send();

				$subTagList[] = "TASKS|COMMENT|".$taskId.'|'.$userId.'|'.$contentEntityId.'|TASK_UPDATE';
			}
			else
			{
				$subTagList[] = "FORUM|COMMENT|".$contentEntityId.'|'.$userId;
			}
		}
	}

	if (
		Loader::includeModule('im')
		&& !empty($subTagList)
	)
	{
		$CIMNotify = new CIMNotify();
		$CIMNotify->markNotifyReadBySubTag($subTagList);
	}

	return true;
}