vendor/shopware/storefront/Theme/Twig/ThemeNamespaceHierarchyBuilder.php line 37

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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.     private array $themes = [];
  16.     private ThemeInheritanceBuilderInterface $themeInheritanceBuilder;
  18.     /**
  19.      * @internal
  20.      */
  21.     public function __construct(ThemeInheritanceBuilderInterface $themeInheritanceBuilder)
  22.     {
  23.         $this->themeInheritanceBuilder = $themeInheritanceBuilder;
  24.     }
  26.     /**
  27.      * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>>
  28.      */
  29.     public static function getSubscribedEvents()
  30.     {
  31.         return [
  32.             KernelEvents::REQUEST => 'requestEvent',
  33.             KernelEvents::EXCEPTION => 'requestEvent',
  34.         ];
  35.     }
  37.     public function requestEvent(RequestEvent $event): void
  38.     {
  39.         $request = $event->getRequest();
  41.         $this->themes = $this->detectedThemes($request);
  42.     }
  44.     public function buildNamespaceHierarchy(array $namespaceHierarchy): array
  45.     {
  46.         if (empty($this->themes)) {
  47.             return $namespaceHierarchy;
  48.         }
  50.         return $this->themeInheritanceBuilder->build($namespaceHierarchy, $this->themes);
  51.     }
  53.     private function detectedThemes(Request $request): array
  54.     {
  55.         // get name if theme is not inherited
  56.         $theme = $request->attributes->get(SalesChannelRequest::ATTRIBUTE_THEME_NAME);
  58.         if (!$theme) {
  59.             // get theme name from base theme because for inherited themes the name is always null
  60.             $theme = $request->attributes->get(SalesChannelRequest::ATTRIBUTE_THEME_BASE_NAME);
  61.         }
  63.         if (!$theme) {
  64.             return [];
  65.         }
  67.         $themes[$theme] = true;
  68.         $themes['Storefront'] = true;
  70.         return $themes;
  71.     }
  72. }