src/Event/EventSubscriber/Sitemap/CitiesListSitemapSubscriber.php line 32

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  1. <?php
  3. namespace App\Event\EventSubscriber\Sitemap;
  5. use App\Api\BrcBackend\BrcClient;
  6. use Presta\SitemapBundle\Event\SitemapPopulateEvent;
  7. use Presta\SitemapBundle\Sitemap\Url\UrlConcrete;
  8. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  9. use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  11. final class CitiesListSitemapSubscriber implements EventSubscriberInterface
  12. {
  13.     private BrcClient $brcClient;
  14.     private int $citiesLimit;
  16.     public function __construct(BrcClient $brcClient, int $citiesLimit)
  17.     {
  18.         $this->brcClient = $brcClient;
  19.         $this->citiesLimit = $citiesLimit;
  20.     }
  22.     /**
  23.      * @inheritDoc
  24.      */
  25.     public static function getSubscribedEvents(): array
  26.     {
  27.         return [
  28.             SitemapPopulateEvent::class => 'populate',
  29.         ];
  30.     }
  32.     public function populate(SitemapPopulateEvent $event): void
  33.     {
  34.         $total = $this->brcClient->getTotalCitiesWithVisibleProfiles();
  35.         $totalPages = (int)ceil($total / $this->citiesLimit);
  37.         $urls = $event->getUrlContainer();
  38.         $router = $event->getUrlGenerator();
  40.         for ($page = 1; $page <= $totalPages; $page++) {
  41.             $urls->addUrl(
  42.                 new UrlConcrete(
  43.                     $router->generate(
  44.                         'city_list',
  45.                         $this->generateRouteParameters($page),
  46.                         UrlGeneratorInterface::ABSOLUTE_URL
  47.                     )
  48.                 ),
  49.                 'cities_list'
  50.             );
  51.         }
  52.     }
  54.     /**
  55.      * 
  56.      * @param int|null $page
  57.      * @return array
  58.      */
  59.     private function generateRouteParameters(?int $page): array
  60.     {
  61.         if ($page && $page > 1) {
  62.             return ['page' => $page];
  63.         }
  65.         return [];
  66.     }
  68. }