src/EventSubscriber/Routing/CityPrefixSubscriber.php line 31

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  1. <?php
  2. /**
  3.  * Created by simpson <simpsonwork@gmail.com>
  4.  * Date: 2019-07-18
  5.  * Time: 17:05
  6.  */
  8. namespace App\EventSubscriber\Routing;
  10. use App\Event\Routing\FilterGeneratedUrlEvent;
  11. use App\Event\Routing\RoutingEvent;
  12. use App\Event\Routing\RoutingEvents;
  13. use App\Routing\DynamicRouter;
  14. use Flagception\Manager\FeatureManagerInterface;
  15. use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
  16. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  18. class CityPrefixSubscriber implements EventSubscriberInterface
  19. {
  20.     const CITY_PARAMETER = 'city';
  22.     private bool $dropDefaultCityPrefix;
  23.     private string $defaultCity;
  25.     public function __construct(FeatureManagerInterface $features, ParameterBagInterface $parameterBag)
  26.     {
  27.         $this->dropDefaultCityPrefix = $features->isActive('drop_default_city_prefix');
  28.         $this->defaultCity = $parameterBag->get('default_city');
  29.     }
  31.     public function setDefaultCityRouteName(RoutingEvent $event): void
  32.     {
  33.         if (!$this->dropDefaultCityPrefix) {
  34.             return;
  35.         }
  37.         $routeName = $event->getName();
  38.         $parameters = $event->getParameters();
  39.         if (!isset($parameters[self::CITY_PARAMETER]) || str_starts_with($routeName, DynamicRouter::DEFAULT_CITY_ROUTE_PREFIX)) {
  40.             return;
  41.         }
  43.         if ($parameters[self::CITY_PARAMETER] === $this->defaultCity) {
  44.             $event->setName(DynamicRouter::DEFAULT_CITY_ROUTE_PREFIX.$routeName);
  45.         }
  46.     }
  48.     public function ignoreCityParameter(FilterGeneratedUrlEvent $event): void
  49.     {
  50.         $url = $event->getUrl();
  51.         $routeParameters = $event->getParameters();
  53.         if (isset($routeParameters[self::CITY_PARAMETER]) && false !== $pos = strpos($url, '?')) {
  54.             $qs = substr($url, $pos + 1);
  55.             parse_str($qs, $parameters);
  56.             unset($parameters[self::CITY_PARAMETER]);
  58.             if (!empty($parameters)) {
  59.                 $url = str_replace("?$qs", '?'.http_build_query($parameters), $url);
  60.             } else {
  61.                 $url = str_replace("?$qs", '', $url);
  62.             }
  63.             $event->setUrl($url);
  64.         }
  65.     }
  67.     /**
  68.      * @inheritDoc
  69.      */
  70.     public static function getSubscribedEvents(): iterable
  71.     {
  72.         return [
  73.             RoutingEvents::PRE_GENERATE => 'setDefaultCityRouteName',
  74.             RoutingEvents::POST_GENERATE => 'ignoreCityParameter',
  75.         ];
  76.     }
  77. }