OnlyOffice::saveDocument

protected function saveDocument(ModelsDocumentSession $documentSession, array $payloadData): bool
{
	if (!in_array($payloadData['status'], [
		self::STATUS_IS_READY_FOR_SAVE,
		self::STATUS_FORCE_SAVE,
		self::STATUS_ERROR_WHILE_SAVING,
		self::STATUS_ERROR_WHILE_FORCE_SAVING,
	], true))
	{
		return false;
	}

	if (in_array($payloadData['status'], [
		self::STATUS_IS_READY_FOR_SAVE,
		self::STATUS_ERROR_WHILE_SAVING,
	], true))
	{
		AddEventToStatFile(
			'disk',
			'disk_oo_doc_closed',
			$documentSession->getExternalHash(),
			ServiceLocator::getInstance()->get('disk.onlyofficeConfiguration')->getServer(),
			'with_changes',
			0
		);
	}

	if (empty($payloadData['url']))
	{
		$this->addError(new Error("Could not find 'url' in payload. Status: {$payloadData['status']}"));

		return false;
	}

	if (!$documentSession->getObject())
	{
		$this->addError(new Error('Could not find file.'));

		return false;
	}

	$fileDownloader = new DocumentOnlyOfficeFileDownloader($payloadData['url']);
	$downloadResult = $fileDownloader->download();
	if ($downloadResult->isSuccess())
	{
		$tmpFile = $downloadResult->getData()['file'];
		$tmpFileArray = CFile::makeFileArray($tmpFile);
		if ($tmpFileArray['type'] === 'application/encrypted')
		{
			$tmpFileArray['type'] = MimeType::getByFilename($documentSession->getObject()->getName());
		}

		$payloadData['users'] = $payloadData['users'] ?? [$documentSession->getUserId()];
		if (!is_array($payloadData['users']))
		{
			$payloadData['users'] = [$payloadData['users']];
		}

		$options = ['commentAttachedObjects' => false];
		if ($documentSession->getObject()->uploadVersion($tmpFileArray, $payloadData['users'][0], $options))
		{
			$this->sendEventToParticipants($documentSession->getExternalHash(), 'saved');

			return true;
		}
	}

	return false;
}