File::markDeleted

public function markDeleted($deletedBy)
{
	$alreadyDeleted = $this->isDeleted();
	$status = $this->markDeletedInternal($deletedBy);
	if ($status && !$alreadyDeleted)
	{
		$notifyManager = Driver::getInstance()->getDeletionNotifyManager();
		$notifyManager->send();
	}

	return $status;
}