lib/boab/cms-bundle/src/Routing/DynamicRouterGeneratorListener.php line 23

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  1. <?php 
  2. namespace Boab\CmsBundle\Routing;
  4. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  5. use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
  6. use Symfony\Component\Routing\RouterInterface;
  7. use Symfony\Cmf\Component\Routing\Event\Events;
  8. use Symfony\Cmf\Component\Routing\Event\RouterGenerateEvent;
  9. use Boab\CmsBundle\Routing\RouteParameterInterface;
  11. class DynamicRouterGeneratorListener implements EventSubscriberInterface
  12. {
  13.     private $router;
  14.     private $accessor;
  15.     private $routeCollection;
  17.     public function __construct(RouterInterface $router, PropertyAccessorInterface $accessor)
  18.     {
  19.         $this->router = $router;
  20.         $this->accessor = $accessor;
  21.     }
  22.     
  23.     public function onRouteGenerate(RouterGenerateEvent $event)
  24.     {
  25.         $parameters = $event->getParameters();
  26.         if(is_array($parameters)){
  27.             return;
  28.         }
  29.         $parameters = $this->getRouteParameters($event->getRoute(), $parameters);
  30.         
  31.         $event->setParameters($parameters);
  32.     }
  34.     private function getRouteParameters($routeName, $object)
  35.     {
  36.         if($object instanceof RouteParameterInterface){
  37.             $parameters = $object->getRouteParameters();
  38.             if(!is_array($parameters)){
  39.                 throw new \InvalidArgumentException(sprintf('The return value of %s::%s must be an array %s given', get_class($object), 'getRouteParameters', gettype($parameters)));
  40.             }
  41.             return $parameters;
  42.         }
  44.         if(null === $this->routeCollection){
  45.             $this->routeCollection = $this->router->getRouteCollection();
  46.         }
  48.         $route = $this->routeCollection->get($routeName);
  49.         if(!$route){
  50.             return;
  51.         }
  53.         $parameters = [];
  54.         foreach ($route->compile()->getVariables() as $variable) {
  55.             if ($this->accessor->isReadable($object, $variable)) {
  56.                 $parameters[$variable] = $this->accessor->getValue($object, $variable);
  57.             }
  58.         }  
  60.         return $parameters; 
  61.     }
  62.         
  63.     public static function getSubscribedEvents():array
  64.     {
  65.         return [
  66.            Events::PRE_DYNAMIC_GENERATE => ['onRouteGenerate']
  67.         ];
  68.     }    
  69. }