vendor/pupax/keen-symfony-bundle/src/Twig/TwigExtension.php line 75

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  1. <?php
  3. /**
  4.  * This file is part of One AM Keen Symfony Bundle.
  5.  * (c) 2021 One AM SRL
  6.  */
  8. namespace Keen\Twig;
  10. use Keen\Event\Listener\BreadcrumbAnnotationListener;
  11. use Keen\Event\Listener\NavbarTagAnnotationListener;
  12. use Symfony\Component\HttpFoundation\RequestStack;
  13. use Symfony\WebpackEncoreBundle\Asset\EntrypointLookupInterface;
  14. use Twig\Environment;
  15. use Twig\Extension\AbstractExtension;
  16. use Twig\TwigFunction;
  18. class TwigExtension extends AbstractExtension
  19. {
  20.     /** @var RequestStack */
  21.     private $requestStack;
  22.     /** @var BreadcrumbAnnotationListener */
  23.     private $breadcrumbAnnotationListener;
  24.     /** @var NavbarTagAnnotationListener */
  25.     private $navbarTagAnnotationListener;
  26.     /** @var EntrypointLookupInterface */
  27.     private $entrypointLookup;
  28.     /** @var string */
  29.     private $publicDir;
  31.     public function __construct(
  32.         RequestStack $requestStack,
  33.         BreadcrumbAnnotationListener $breadcrumbAnnotationListener,
  34.         NavbarTagAnnotationListener $navbarTagAnnotationListener,
  35.         EntrypointLookupInterface $entrypointLookup,
  36.         string $publicDir
  37.     ) {
  38.         $this->requestStack = $requestStack;
  39.         $this->breadcrumbAnnotationListener = $breadcrumbAnnotationListener;
  40.         $this->navbarTagAnnotationListener = $navbarTagAnnotationListener;
  41.         $this->entrypointLookup = $entrypointLookup;
  42.         $this->publicDir = $publicDir;
  43.     }
  45.     public function getFunctions()
  46.     {
  47.         return [
  48.             new TwigFunction('breadcrumb', [$this, 'breadcrumb'], [
  49.                 'needs_environment' => true,
  50.                 'needs_context' => true,
  51.                 'is_safe' => ['html'],
  52.             ]),
  53.             new TwigFunction('pageTitle', [$this, 'pageTitle']),
  54.             new TwigFunction('isActive', [$this, 'isActive']),
  55.             new TwigFunction('encore_entry_css_source', [$this, 'encoreEntryCssSource'], [
  56.                 'is_safe' => ['all'],
  57.             ]),
  58.         ];
  59.     }
  61.     public function breadcrumb(Environment $environment, $context, $additionalVariables = [])
  62.     {
  63.         $request = $this->requestStack->getCurrentRequest();
  65.         if (null === $request) {
  66.             return null;
  67.         }
  69.         return $environment->render('@Keen/breadcrumb.html.twig', array_merge($context, [
  70.             'items' => $this->breadcrumbAnnotationListener->getBreadcrumbItems(),
  71.             'request_uri' => $request->getUri(),
  72.         ], $additionalVariables));
  73.     }
  75.     public function isActive(string $tag)
  76.     {
  77.         return mb_strtolower($this->navbarTagAnnotationListener->getTag()) === mb_strtolower($tag);
  78.     }
  80.     public function pageTitle(int $offset = null)
  81.     {
  82.         $items = $this->breadcrumbAnnotationListener->getBreadcrumbItems();
  84.         if (0 === count($items)) {
  85.             return 0;
  86.         }
  88.         if (null === $offset) {
  89.             $offset = count($items) - 1;
  90.         }
  92.         if (!isset($items[$offset])) {
  93.             return null;
  94.         }
  96.         return $items[$offset]->name;
  97.     }
  99.     public function encoreEntryCssSource(string $entryName): string
  100.     {
  101.         // @see https://github.com/symfony/symfony/pull/39733
  102.         $this->entrypointLookup->reset();
  103.         $files = $this->entrypointLookup->getCssFiles($entryName);
  104.         $source = '';
  105.         foreach ($files as $file) {
  106.             $source .= file_get_contents($this->publicDir.'/'.$file);
  107.         }
  109.         return $source;
  110.     }
  111. }