src/DataLayer/DataLayerManager.php line 31

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  1. <?php
  3. namespace App\DataLayer;
  5. use Symfony\Component\HttpFoundation\Session\SessionInterface;
  6. use Twig\Environment;
  8. class DataLayerManager
  9. {
  10.     public const EVENTS_SESSION_KEY = 'datalayer_events';
  11.     public const TEMPLATE = 'datalayer/default.html.twig';
  13.     private ?array $events = null;
  15.     public function __construct(
  16.         protected readonly SessionInterface $session,
  17.         protected readonly Environment $twig,
  18.     ) {}
  20.     public function addEvent(DataLayerEvent $event): static
  21.     {
  22.         $events = $this->getEvents() ?? [];
  23.         $events[] = $event;
  24.         $this->session->set(self::EVENTS_SESSION_KEY, $events);
  26.         return $this;
  27.     }
  29.     public function getEvents(): ?array
  30.     {
  31.         return $this->session->get(self::EVENTS_SESSION_KEY, []);
  32.     }
  34.     public function reset(): static
  35.     {
  36.         $this->session->remove(self::EVENTS_SESSION_KEY);
  38.         return $this;
  39.     }
  41.     public function render(): string
  42.     {
  43.         $structuredData = [];
  44.         /** @var DataLayerEvent $event */
  45.         foreach($this->getEvents() as $event) {
  46.             $eventData = [];
  47.             if($event->getName()) {
  48.                 $eventData['event'] = $event->getName();
  49.             }
  51.             foreach($event->getValues() ?? [] as $key => $value) {
  52.                 $eventData[$key] = $value;
  53.             }
  55.             $structuredData[] = $eventData;
  56.         }
  58.         $this->reset();
  60.         return $this->twig->render(self::TEMPLATE, ['data' => $structuredData]);
  61.     }
  62. }