vendor/shopware/storefront/Theme/Twig/ThemeNamespaceHierarchyBuilder.php line 36

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  1. <?php declare(strict_types=1);
  3. namespace Shopware\Storefront\Theme\Twig;
  5. use Shopware\Core\Framework\Adapter\Twig\NamespaceHierarchy\TemplateNamespaceHierarchyBuilderInterface;
  6. use Shopware\Core\SalesChannelRequest;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Symfony\Component\HttpFoundation\Request;
  9. use Symfony\Component\HttpKernel\Event\RequestEvent;
  10. use Symfony\Component\HttpKernel\KernelEvents;
  12. class ThemeNamespaceHierarchyBuilder implements TemplateNamespaceHierarchyBuilderInterface, EventSubscriberInterface
  13. {
  14.     /**
  15.      * @var array
  16.      */
  17.     private $themes;
  19.     /**
  20.      * @var ThemeInheritanceBuilderInterface
  21.      */
  22.     private $themeInheritanceBuilder;
  24.     public function __construct(ThemeInheritanceBuilderInterface $themeInheritanceBuilder)
  25.     {
  26.         $this->themeInheritanceBuilder = $themeInheritanceBuilder;
  27.     }
  29.     public static function getSubscribedEvents()
  30.     {
  31.         return [
  32.             KernelEvents::REQUEST => 'requestEvent',
  33.         ];
  34.     }
  36.     public function requestEvent(RequestEvent $event): void
  37.     {
  38.         $request = $event->getRequest();
  40.         $this->themes = $this->detectedThemes($request);
  41.     }
  43.     public function buildNamespaceHierarchy(array $namespaceHierarchy): array
  44.     {
  45.         if (empty($this->themes)) {
  46.             return $namespaceHierarchy;
  47.         }
  49.         return $this->themeInheritanceBuilder->build($namespaceHierarchy, $this->themes);
  50.     }
  52.     private function detectedThemes(Request $request): array
  53.     {
  54.         // get name if theme is not inherited
  55.         $theme = $request->attributes->get(SalesChannelRequest::ATTRIBUTE_THEME_NAME);
  57.         if (!$theme) {
  58.             // get base name because name for inherited themes is null
  59.             $theme = $request->attributes->get(SalesChannelRequest::ATTRIBUTE_THEME_BASE_NAME);
  60.         }
  62.         if (!$theme) {
  63.             return [];
  64.         }
  66.         $themes[$theme] = true;
  67.         $themes['Storefront'] = true;
  69.         return $themes;
  70.     }
  71. }