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<?php |
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namespace Palmtree\CanonicalUrlBundle\Twig\Extension; |
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use Palmtree\CanonicalUrlBundle\Service\CanonicalUrlGenerator; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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class CanonicalLinkExtension extends \Twig_Extension |
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{ |
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/** @var CanonicalUrlGenerator */ |
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private $canonicalUrlGenerator; |
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/** @var RequestStack */ |
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private $requestStack; |
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/** |
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* CanonicalLinkExtension constructor. |
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* |
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* @param CanonicalUrlGenerator $canonicalUrlGenerator |
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* @param RequestStack $requestStack |
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*/ |
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public function __construct(CanonicalUrlGenerator $canonicalUrlGenerator, RequestStack $requestStack) |
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{ |
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$this->canonicalUrlGenerator = $canonicalUrlGenerator; |
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$this->requestStack = $requestStack; |
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} |
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/** |
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* @return \Twig_Function[] |
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*/ |
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public function getFunctions() |
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{ |
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return [ |
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new \Twig_SimpleFunction('palmtree_canonical_url', [$this, 'generateUrl']), |
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new \Twig_SimpleFunction('palmtree_canonical_link_tag', [$this, 'renderLinkTag'], [ |
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'needs_environment' => true, |
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'is_safe' => ['html'], |
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]), |
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]; |
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} |
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/** |
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* @param \Twig_Environment $environment |
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* @param string $href |
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* |
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* @return string |
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*/ |
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public function renderLinkTag(\Twig_Environment $environment, $href = null) |
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{ |
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$output = $environment->render('@PalmtreeCanonicalUrl/canonical_link_tag.html.twig', [ |
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'href' => $href, |
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]); |
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return $output; |
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} |
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/** |
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* @param string $route |
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* @param string|array $parameters |
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* |
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* @see CanonicalUrlGenerator::generate() For parameter descriptions. |
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* |
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* @return string |
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*/ |
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public function generateUrl($route = null, $parameters = []) |
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{ |
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if (\func_num_args() === 0) { |
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$request = $this->requestStack->getCurrentRequest(); |
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$route = $request->attributes->get('_route'); |
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$parameters = $request->attributes->get('_route_params'); |
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} |
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return $this->canonicalUrlGenerator->generate($route, $parameters); |
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} |
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} |
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palmtreephp /
canonical-url-bundle
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