TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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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;
+
+/**
+ * @internal
+ */
+readonly class CacheWarmer
+{
+    public function __construct(
+        protected PackageManager $packageManager,
+        protected LabelFileResolver $labelFileResolver,
+        protected LocalizationFactory $localizationFactory,
+        protected Locales $locales,
+    ) {}
+
+    #[AsEventListener]
+    public function warmupCaches(CacheWarmupEvent $event): void
+    {
+        if ($event->hasGroup('system')) {
+            $activeLanguages = $this->locales->getActiveLanguages();
+            $locales = [];
+            foreach ($activeLanguages as $language) {
+                $locales[$language] = $this->locales->createLocale($language);
+            }
+
+            // Collect all label files from all packages first to avoid repeated filesystem scans.
+            $allBaseLocaleResources = [];
+            $packages = $this->packageManager->getActivePackages();
+            foreach ($packages as $package) {
+                $baseLocaleResources = $this->labelFileResolver->getAllLabelFilesOfPackage($package->getPackageKey(), true)['default'] ?? [];
+                foreach ($baseLocaleResources as $fileReference) {
+                    $allBaseLocaleResources[] = $fileReference;
+                }
+            }
+
+            // Phase 1: Add all resources to Symfony Translator without retrieving catalogues.
+            // This avoids O(n²) behaviour where each getCatalogue() rebuilds from all previously
+            // added resources. By batching all addResource() calls first, catalogue building
+            // only happens once per locale in phase 2.
+            foreach ($locales as $locale) {
+                foreach ($allBaseLocaleResources as $fileReference) {
+                    $this->localizationFactory->warmupTranslatorResource($fileReference, $locale);
+                }
+            }
+
+            // Phase 2: Retrieve catalogues and write to system cache.
+            // Resources are already loaded, so this just builds catalogues once per locale.
+            foreach ($locales as $locale) {
+                foreach ($allBaseLocaleResources as $fileReference) {
+                    $this->localizationFactory->getParsedData($fileReference, $locale, true);
+                }
+            }
+        }
+    }
+}