TimeSinceLastUpdateViewHelper.php

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<?php
namespace TYPO3\CMS\Extensionmanager\ViewHelpers;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;

class TimeSinceLastUpdateViewHelper extends AbstractViewHelper
{
    use CompileWithRenderStatic;

    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerArgument('lastUpdateTime', \DateTime::class, 'The date of the last update.', true);
    }

    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        $lastUpdateTime = $arguments['lastUpdateTime'];
        if (null === $lastUpdateTime) {
            return $GLOBALS['LANG']->sL(
                'LLL:EXT:extensionmanager/Resources/Private/Language/locallang.xlf:extensionList.updateFromTer.never'
            );
        }
        return \TYPO3\CMS\Backend\Utility\BackendUtility::calcAge(
            time() - $lastUpdateTime->format('U'),
            $GLOBALS['LANG']->sL('LLL:EXT:lang/Resources/Private/Language/locallang_core.xlf:labels.minutesHoursDaysYears')
        );
    }
}