vendor/lexik/translation-bundle/EventDispatcher/CleanTranslationCacheListener.php line 62

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  1. <?php
  3. namespace Lexik\Bundle\TranslationBundle\EventDispatcher;
  5. use Lexik\Bundle\TranslationBundle\Manager\LocaleManager;
  6. use Lexik\Bundle\TranslationBundle\Storage\StorageInterface;
  7. use Symfony\Component\HttpKernel\Event\GetResponseEvent;
  8. use Symfony\Component\Translation\TranslatorInterface;
  9. use Symfony\Component\Finder\Finder;
  11. /**
  12.  * @author Cédric Girard <c.girard@lexik.fr>
  13.  */
  14. class CleanTranslationCacheListener
  15. {
  16.     /**
  17.      * @var StorageInterface
  18.      */
  19.     private $storage;
  21.     /**
  22.      * @var TranslatorInterface
  23.      */
  24.     private $translator;
  26.     /**
  27.      * @var string
  28.      */
  29.     private $cacheDirectory;
  31.     /**
  32.      * @var array
  33.      */
  34.     private $localeManager;
  36.     /**
  37.      * @var int
  38.      */
  39.     private $cacheInterval;
  41.     /**
  42.      * Constructor
  43.      *
  44.      * @param StorageInterface    $storage
  45.      * @param TranslatorInterface $translator
  46.      * @param string              $cacheDirectory
  47.      * @param LocaleManager       $localeManager
  48.      * @param int                 $cacheInterval
  49.      */
  50.     public function __construct(StorageInterface $storage, TranslatorInterface $translator, $cacheDirectory, LocaleManager $localeManager, $cacheInterval)
  51.     {
  52.         $this->storage = $storage;
  53.         $this->cacheDirectory = $cacheDirectory;
  54.         $this->translator = $translator;
  55.         $this->localeManager = $localeManager;
  56.         $this->cacheInterval = $cacheInterval;
  57.     }
  59.     /**
  60.      * @param GetResponseEvent $event
  61.      */
  62.     public function onKernelRequest(GetResponseEvent $event)
  63.     {
  64.         if ($event->isMasterRequest() && $this->isCacheExpired()) {
  65.             $lastUpdateTime = $this->storage->getLatestUpdatedAt();
  67.             if ($lastUpdateTime instanceof \DateTime) {
  68.                 $this->checkCacheFolder();
  70.                 $finder = new Finder();
  71.                 $finder->files()
  72.                     ->in($this->cacheDirectory.'/translations')
  73.                     ->date('< '.$lastUpdateTime->format('Y-m-d H:i:s'));
  75.                 if ($finder->count() > 0) {
  76.                     $this->translator->removeLocalesCacheFiles($this->localeManager->getLocales());
  77.                 }
  78.             }
  79.         }
  80.     }
  82.     /**
  83.     * Checks if cache has expired
  84.     *
  85.     * @return boolean
  86.     */
  87.     private function isCacheExpired()
  88.     {
  89.         if (empty($this->cacheInterval)) {
  90.             return true;
  91.         }
  93.         $cache_file = $this->cacheDirectory.'/translations/cache_timestamp';
  94.         $cache_dir  =$this->cacheDirectory.'/translations';
  95.         if ('\\' === DIRECTORY_SEPARATOR) {
  96.             $cache_file = strtr($cache_file, '/', '\\');
  97.             $cache_dir = strtr($cache_dir, '/', '\\');
  98.         }
  99.         if (!\is_dir($cache_dir)) {
  100.             \mkdir($cache_dir);
  101.         }        
  102.         if (!\file_exists($cache_file)) {
  103.             \touch($cache_file);
  104.             return true;
  105.         }
  106.         $expired = false;
  107.         if ((\time() - \filemtime($cache_file)) > $this->cacheInterval) {
  108.             \file_put_contents($cache_file, \time());
  109.             $expired = true;
  110.         }
  112.         return $expired;
  113.     }
  115.     private function checkCacheFolder()
  116.     {
  117.         if (!is_dir($dirName = $this->cacheDirectory.'/translations') && !mkdir($dirName) && !is_dir($dirName)) {
  118.             throw new \RuntimeException(sprintf('Directory "%s" was not created', $dirName));
  119.         }
  120.     }
  121. }