vendor/sulu/sulu/src/Sulu/Bundle/HttpCacheBundle/CacheLifetime/CacheLifetimeEnhancer.php line 52

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  1. <?php
  3. /*
  4.  * This file is part of Sulu.
  5.  *
  6.  * (c) Sulu GmbH
  7.  *
  8.  * This source file is subject to the MIT license that is bundled
  9.  * with this source code in the file LICENSE.
  10.  */
  12. namespace Sulu\Bundle\HttpCacheBundle\CacheLifetime;
  14. use Sulu\Bundle\HttpCacheBundle\Cache\SuluHttpCache;
  15. use Sulu\Component\Content\Compat\StructureInterface;
  16. use Symfony\Component\HttpFoundation\Response;
  18. class CacheLifetimeEnhancer implements CacheLifetimeEnhancerInterface
  19. {
  20.     /**
  21.      * @var CacheLifetimeResolverInterface
  22.      */
  23.     private $cacheLifetimeResolver;
  25.     /**
  26.      * @var int
  27.      */
  28.     private $maxAge;
  30.     /**
  31.      * @var int
  32.      */
  33.     private $sharedMaxAge;
  35.     /**
  36.      * @var CacheLifetimeRequestStore
  37.      */
  38.     private $cacheLifetimeRequestStore;
  40.     public function __construct(
  41.         CacheLifetimeResolverInterface $cacheLifetimeResolver,
  42.         $maxAge,
  43.         $sharedMaxAge,
  44.         CacheLifetimeRequestStore $cacheLifetimeRequestStore
  45.     ) {
  46.         $this->cacheLifetimeResolver = $cacheLifetimeResolver;
  47.         $this->maxAge = $maxAge;
  48.         $this->sharedMaxAge = $sharedMaxAge;
  49.         $this->cacheLifetimeRequestStore = $cacheLifetimeRequestStore;
  50.     }
  52.     public function enhance(Response $response, StructureInterface $structure)
  53.     {
  54.         if (!\method_exists($structure, 'getCacheLifeTime')) {
  55.             return;
  56.         }
  58.         $cacheLifetimeData = $structure->getCacheLifeTime();
  59.         $cacheLifetime = $this->cacheLifetimeResolver->resolve(
  60.             $cacheLifetimeData['type'],
  61.             $cacheLifetimeData['value']
  62.         );
  64.         $requestCacheLifetime = $this->cacheLifetimeRequestStore->getCacheLifetime();
  66.         if (null !== $requestCacheLifetime && $requestCacheLifetime < $cacheLifetime) {
  67.             $cacheLifetime = $requestCacheLifetime;
  68.         }
  70.         // when structure cache-lifetime disabled - return
  71.         if (0 === $cacheLifetime) {
  72.             return;
  73.         }
  75.         $response->setPublic();
  76.         $response->setMaxAge($this->maxAge);
  77.         $response->setSharedMaxAge($this->sharedMaxAge);
  79.         // set reverse-proxy TTL (Symfony HttpCache, Varnish, ...) to avoid caching of intermediate proxies
  80.         $response->headers->set(SuluHttpCache::HEADER_REVERSE_PROXY_TTL, $cacheLifetime);
  81.     }
  82. }