CacheWarmer.php

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<?php
 
declare(strict_types=1);
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Core\Localization;
 
use ‪TYPO3\CMS\Core\Attribute\AsEventListener;
use ‪TYPO3\CMS\Core\Cache\Event\CacheWarmupEvent;
use TYPO3\CMS\Core\Package\PackageManager;
 
class ‪CacheWarmer
{
    public function ‪__construct(
        protected readonly PackageManager $packageManager,
        protected readonly ‪Locales $locales,
        protected readonly ‪LocalizationFactory $localizationFactory
    ) {
    }
 
    #[AsEventListener]
    public function ‪warmupCaches(‪CacheWarmupEvent $event): void
    {
        if ($event->‪hasGroup('system')) {
            ‪$languages = $this->locales->getActiveLanguages();
            $packages = $this->packageManager->getActivePackages();
            foreach ($packages as $package) {
                ‪$dir = $package->getPackagePath() . 'Resources/Private/Language';
                if (!is_dir(‪$dir)) {
                    continue;
                }
                $recursiveIterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator(‪$dir));
                // Search for all files with suffix *.xlf and  without a dot in the file basename
                $fileIterator = new \RegexIterator($recursiveIterator, '#^.+/[^.]+\.xlf$#', \RegexIterator::GET_MATCH);
                $shorthand = 'EXT:' . $package->getPackageKey() . '/Resources/Private/Language';
                foreach ($fileIterator as $match) {
                    $fileReference = str_replace(‪$dir, $shorthand, $match[0]);
                    foreach (‪$languages as $language) {
                        // @todo: Force cache renewal
                        $this->localizationFactory->getParsedData($fileReference, $language);
                    }
                }
            }
        }
    }
}