CrmEntityDataProvider::onDocumentUpdate

public function onDocumentUpdate(Document $document)
{
	Loc::loadLanguageFile(__FILE__);
	$timelineIdentifier = $this->getTimelineItemIdentifier();
	$entityTypeId = $timelineIdentifier ? $timelineIdentifier->getEntityTypeId() : $this->getCrmOwnerType();
	$entityId = $timelineIdentifier ? $timelineIdentifier->getEntityId() : $this->source;
	$entries = DocumentEntry::getListByDocumentId($document->ID);
	foreach($entries as $entry)
	{
		if($entry['TYPE_CATEGORY_ID'] === TimelineType::MODIFICATION)
		{
			$text = Loc::getMessage('CRM_DOCGEN_CRMENTITYDATAPROVIDER_PULIC_LINK_VIEWED', ['#TITLE#' => htmlspecialcharsbx($document->getTitle())]);
		}
		else
		{
			$text = Loc::getMessage('CRM_DOCGEN_CRMENTITYDATAPROVIDER_COMMENT', ['#TITLE#' => htmlspecialcharsbx($document->getTitle())]);
		}
		if($entry['COMMENT'] != $text)
		{
			$entry['COMMENT'] = $text;
			DocumentEntry::update($entry['ID'], $entry);
		}
		$saveData = array(
			'TITLE' => $document->getTitle(),
			'ENTITY_TYPE_ID' => $entityTypeId,
			'ENTITY_ID' => $entityId,
			'USER_ID' => $this->getDocumentUserId($document),
			'DOCUMENT_ID' => $document->ID,
		);
		DocumentController::getInstance()->onUpdate($entry['ID'], $saveData);
	}
}