Csv::exportAction

public function exportAction($tabId, $path = ''): array
{
	if (empty($tabId) || (int)$tabId <= 0)
	{
		throw new MainArgumentException("Missing 'tabId' parameter");
	}
	if (empty($path))
	{
		$path = TranslateConfig::getDefaultPath();
	}

	/** @var ExportAction|ExportFileList $action */
	$action = $this->detectAction($path);

	$result = $action->run($path, true);

	if (count($action->getErrors()) > 0)
	{
		$this->addErrors($action->getErrors());
	}

	if ($action->hasProcessCompleted() && $result['TOTAL_ITEMS'] == 0)
	{
		$result['SUMMARY'] = Loc::getMessage('TR_EXPORT_VOID');
	}
	elseif ($action->hasProcessCompleted())
	{
		$fileProperties = $action->getDownloadingParameters();
		$result['FILE_NAME'] = $fileProperties['fileName'];
		$result['DOWNLOAD_LINK'] = $this->generateDownloadLink($fileProperties, 'export');

		$messagePlaceholders = [
			'#TOTAL_PHRASES#' => $result['TOTAL_PHRASES'],
			'#FILE_SIZE_FORMAT#' => CFile::formatSize($fileProperties['fileSize']),
			'#FILE_NAME#' => $result['FILE_NAME'],
			'#FILE_LINK#' => $result['DOWNLOAD_LINK'],
		];
		$result['SUMMARY'] =
			Loc::getMessage('TR_EXPORT_COMPLETED')
			. "n". Loc::getMessage('TR_EXPORT_ACTION_EXPORT', $messagePlaceholders)
			. " ". Loc::getMessage('TR_EXPORT_DOWNLOAD', $messagePlaceholders)
		;

		if ($this->appendSamples)
		{
			if ($result['TOTAL_SAMPLES'] > 0)
			{
				$fileSamplesProperties = $action->getDownloadingSamplesParameters();
				$result['SAMPLES_LINK'] = $this->generateDownloadLink($fileSamplesProperties, 'samples');
				$result['SAMPLES_FILE'] = $fileSamplesProperties['fileName'];

				$messagePlaceholders = [
					'#TOTAL_SAMPLES#' => $result['TOTAL_SAMPLES'],
					'#FILE_SIZE_FORMAT#' => CFile::formatSize($fileSamplesProperties['fileSize']),
					'#FILE_NAME#' => $result['SAMPLES_FILE'],
					'#FILE_LINK#' => $result['SAMPLES_LINK'],
				];
				$result['SUMMARY'] .= "n" . Loc::getMessage('TR_EXPORT_SAMPLES', $messagePlaceholders);
				$result['SUMMARY'] .= " " . Loc::getMessage('TR_EXPORT_DOWNLOAD', $messagePlaceholders);
			}
			else
			{
				$result['SUMMARY'] .= "n" . Loc::getMessage('TR_EXPORT_SAMPLES_NOT_FOUND');
			}
		}
	}

	return $result;
}