src/Twig/Loader/DatabaseLoader.php line 16

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  1. <?php
  2. namespace App\Twig\Loader;
  4. use App\Entity\Template\Template;
  5. use Doctrine\ORM\EntityManagerInterface;
  6. use Twig_Error_Loader;
  7. use Twig_LoaderInterface;
  8. use Twig_Source;
  10. class DatabaseLoader implements Twig_LoaderInterface
  11. {
  12.     protected $repo;
  14.     public function __construct(EntityManagerInterface $em)
  15.     {
  16.         $this->repo = $em->getRepository(Template::class);
  17.     }
  19.     public function getSourceContext($name)
  20.     {
  21.         if (false === $template = $this->getTemplate($name)) {
  22.             throw new Twig_Error_Loader(sprintf('Template "%s" does not exist.', $name));
  23.         }
  25.         return new Twig_Source($template->getSource(), $name);
  26.     }
  28.     public function exists($name)
  29.     {
  30.         return (bool)$this->getTemplate($name);
  31.     }
  33.     public function getCacheKey($name)
  34.     {
  35.         return $name;
  36.     }
  38.     public function isFresh($name, $time)
  39.     {
  40.         if (false === ($template = $this->getTemplate($name))) {
  41.             return false;
  42.         }
  44.         return !$template->getLastUpdated() || $template->getLastUpdated()->getTimestamp() <= $time;
  45.     }
  47.     /**
  48.      * @param $name
  49.      * @return Template|null
  50.      */
  51.     protected function getTemplate($name)
  52.     {
  53.         return $this->repo->findOneBy(['filename' => $name]);
  54.     }
  55. }