vendor/shopware/core/System/Language/CachedLanguageLoader.php line 45

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  1. <?php declare(strict_types=1);
  3. namespace Shopware\Core\System\Language;
  5. use Psr\Cache\CacheItemPoolInterface;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. class CachedLanguageLoader implements LanguageLoaderInterface, EventSubscriberInterface
  9. {
  10.     private const CACHE_KEY = 'shopware.languages';
  12.     private CacheItemPoolInterface $cache;
  14.     private LanguageLoaderInterface $loader;
  16.     public function __construct(LanguageLoaderInterface $loader, CacheItemPoolInterface $cache)
  17.     {
  18.         $this->cache = $cache;
  19.         $this->loader = $loader;
  20.     }
  22.     public static function getSubscribedEvents(): array
  23.     {
  24.         return [
  25.             LanguageEvents::LANGUAGE_DELETED_EVENT => 'invalidateCache',
  26.             LanguageEvents::LANGUAGE_WRITTEN_EVENT => 'invalidateCache',
  27.         ];
  28.     }
  30.     public function loadLanguages(): array
  31.     {
  32.         $cacheItem = $this->cache->getItem(self::CACHE_KEY);
  33.         if ($cacheItem->isHit()) {
  34.             return $cacheItem->get();
  35.         }
  37.         $languages = $this->loader->loadLanguages();
  39.         $cacheItem->set($languages);
  40.         $this->cache->save($cacheItem);
  42.         return $languages;
  43.     }
  45.     public function invalidateCache(): void
  46.     {
  47.         $cacheItem = $this->cache->getItem(self::CACHE_KEY);
  48.         if (!$cacheItem->isHit()) {
  49.             return;
  50.         }
  51.         $this->cache->deleteItem($cacheItem->getKey());
  52.     }
  53. }