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<?php |
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namespace Sonata\SeoBundle\EventListener; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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use Symfony\Component\HttpKernel\Event\FilterControllerEvent; |
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use Symfony\Component\Yaml\Yaml; |
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class ConfigurationListener |
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{ |
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/** @var Sonata\SeoBundle\Seo\SeoPage $sonata */ |
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private $sonata; |
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/** @var Symfony\Component\HttpKernel\Config\FileLocator $kernel */ |
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private $fileLocator; |
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/** @var Symfony\Component\HttpKernel\Log\LoggerInterface $logger */ |
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private $logger; |
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/** |
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* __construct. |
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* |
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* @param Symfony\Component\DependencyInjection\ContainerInterface $container |
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*/ |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->sonata = $container->get('sonata.seo.page'); |
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$this->logger = $container->get('logger'); |
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$this->fileLocator = $container->get('file_locator'); |
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} |
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/** |
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* onKernelController. |
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* |
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* @param Symfony\Component\HttpKernel\Event\FilterControllerEvent $event |
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*/ |
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public function onKernelController(FilterControllerEvent $event) |
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{ |
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$controller = $event->getController(); |
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// $controller passed can be either a class or a Closure. This is not |
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// usual in Symfony but it may happen. If it is a class, it comes in |
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// array format |
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if (!is_array($controller)) { |
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return; |
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} |
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// Get the request with namespace and others information we need and |
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// construct the bundle namespace |
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$request = $this->getRequest($event); |
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$namespace = array('_namespace', '_bundle'); |
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foreach ($namespace as $key => $value) { |
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$namespace[$key] = $request->attributes->get($value); |
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} |
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array_unshift($namespace, '@'); |
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$namespace = implode('', $namespace); |
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$namespace = array($namespace, 'Resources', 'config', 'sonata.yml'); |
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$namespace = implode('/', $namespace); |
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// Get the configuration file from the configuration into the |
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// corresponding bundle |
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try { |
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$path = $this->fileLocator->locate($namespace); |
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} catch (\InvalidArgumentException $e) { |
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// Nothing to do because there's no SEO file |
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return; |
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} |
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try { |
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$config = Yaml::parse($path); |
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} catch (Symfony\Component\Yaml\Exception\ParseException $e) { |
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// Do nothing on error. Just log error |
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$this->logger->err('YAML returns a parse error', array('exception' => $e)); |
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return; |
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} |
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$controller = $request->attributes->get('_controller'); |
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$action = $request->attributes->get('_action'); |
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if (array_key_exists($controller, $config)) { |
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$config = $config[$controller]; |
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if (array_key_exists($action, $config)) { |
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$config = $config[$action]; |
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$title = $this->getConfiguration($config, 'title'); |
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$metas = $this->getConfiguration($config, 'metas'); |
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if (!empty($title)) { |
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$this->sonata->setTitle($title); |
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} |
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foreach ($metas as $key => $values) { |
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foreach ($values as $head => $value) { |
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$this->sonata->addMeta($key, $head, $value); |
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} |
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} |
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} |
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} |
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} |
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/** |
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* Return the configuration if exists. |
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* |
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* @param array $config |
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* @param string $key |
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* |
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* @return array |
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*/ |
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private function getConfiguration(array $config, $key) |
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{ |
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if (array_key_exists($key, $config)) { |
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return $config[$key]; |
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} |
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return array(); |
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} |
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/** |
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* Return generated request. |
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* |
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* @param Symfony\Component\HttpKernel\Event\FilterControllerEvent $event |
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* |
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* @return Symfony\Component\HttpFoundation\Request; |
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*/ |
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private function getRequest(FilterControllerEvent $event) |
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{ |
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$request = $event->getRequest(); |
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// Get the controller full namespace in order to get informations |
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$controller = $request->attributes->get('_controller'); |
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$pattern = '/^(.*)\\\(.*Bundle)\\\Controller\\\(.*Controller)::(.*Action)$/'; |
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preg_match($pattern, $controller, $matches); |
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$request->attributes->set('_namespace', $matches[1]); |
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$request->attributes->set('_bundle', $matches[2]); |
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$request->attributes->set('_controller', $matches[3]); |
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$request->attributes->set('_action', $matches[4]); |
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return $request; |
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} |
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} |
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sonata-project /
SonataSeoBundle
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