Export::preformAnswer

protected function preformAnswer($action)
{
	if ($action == self::ACTION_CLEAR || $action == self::ACTION_CANCEL || $action == self::ACTION_PURGE)
	{
		$result = [];
	}
	else
	{
		$fileSize = $this->fileSize;
		if (!$this->isExportCompleted && $this->uploadedSize > 0)
		{
			$fileSize = $this->uploadedSize + $this->fileSize;
		}
		elseif ($this->isExportCompleted && $this->uploadedSize > $this->fileSize)
		{
			$fileSize = $this->uploadedSize;
		}

		$result = array(
			'STATUS' => ($this->isExportCompleted ? self::STATUS_COMPLETED : self::STATUS_PROGRESS),
			'PROCESSED_ITEMS' => $this->processedItems,
			'TOTAL_ITEMS' => $this->totalItems,
			'UPLOADED_PART' => $this->uploadedPart,
			'UPLOADED_SIZE' => $this->uploadedSize,
			'UPLOADED_SIZE_FORMAT' => CFile::FormatSize($this->uploadedSize),
			'FILE_SIZE_FORMAT' => CFile::FormatSize($fileSize),
		);

		$messagePlaceholders = array(
			'#PROCESSED_ITEMS#' => $this->processedItems,
			'#TOTAL_ITEMS#' => $this->totalItems,
			'#UPLOADED_PART#' => $this->uploadedPart,
			'#UPLOADED_SIZE#' => $this->uploadedSize,
			'#UPLOADED_SIZE_FORMAT#' => CFile::FormatSize($this->uploadedSize),
			'#FILE_SIZE_FORMAT#' => CFile::FormatSize($fileSize),
		);
	}

	if ($action == self::ACTION_VOID)
	{
		$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_VOID'));
	}
	elseif ($action == self::ACTION_PURGE)
	{
		$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_PURGE'));
	}
	elseif ($action == self::ACTION_CLEAR)
	{
		$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_FILE_DROPPED'));
	}
	elseif ($action == self::ACTION_CANCEL)
	{
		$message = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_CANCEL'));
	}
	elseif ($action == self::ACTION_UPLOAD)
	{
		$message =
			htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_UPLOAD', $messagePlaceholders)). '
'.
			$this->preformExpectedDuration();
	}
	elseif ($action == self::ACTION_EXPORT)
	{
		$message =
			htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_EXPORT', $messagePlaceholders)). '
'.
			$this->preformExpectedDuration();
	}
	elseif ($this->isExportCompleted)
	{
		$message =
			htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_COMPLETED')). '
'.
			htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_EXPORT', $messagePlaceholders));

		$downloadLink = '';
		if ($this->isBitrix24 || $this->useCloud === true)
		{
			if ($this->isUploadFinished)
			{
				$downloadLink = $this->generateCloudLink();
			}
		}
		else
		{
			$downloadLink = $this->generateDownloadLink();
		}
		if ($downloadLink !== '')
		{
			$result['DOWNLOAD_LINK'] = $downloadLink;
			$result['FILE_NAME'] = $this->fileName;
			$result['DOWNLOAD_LINK_NAME'] = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_DOWNLOAD'));
			$result['CLEAR_LINK_NAME'] = htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_CLEAR'));
		}
	}
	else
	{
		$message =
			htmlspecialcharsbx(Loc::getMessage('MAIN_EXPORT_ACTION_EXPORT', $messagePlaceholders)). '
'.
			$this->preformExpectedDuration();
	}

	$result['SUMMARY_HTML'] = $message;

	return $result;
}