feat: tracking integration with GTM and CMP

src/Twig/AppRuntime.php

@@ -9,6 +9,7 @@ use App\EventListener\DomainThemeListener;
 use App\Form\Model\BookingDto;
 use App\Form\Service\CreateFieldStateProvider;
 use App\Form\Service\EditFieldStateProvider;
+use App\Model\DomainConfig;
 use App\Service\ParticipantEligibilityService;
 use Symfony\Component\Form\FormView;
 use Symfony\Component\HttpFoundation\RequestStack;
@@ -234,14 +235,42 @@ class AppRuntime implements RuntimeExtensionInterface
      * Defaults to 'base' if no theme is set.
      */
     public function getBookingTheme(): string
+    {
+        return $this->getDomainConfig()->theme;
+    }
+
+    /**
+     * Returns the GTM container ID for the current domain.
+     *
+     * Returns an empty string if no GTM ID is configured for this domain.
+     */
+    public function getGtmId(): string
+    {
+        return $this->getDomainConfig()->gtmId;
+    }
+
+    /**
+     * Returns the CMP (Consent Management Platform) URL for the current domain.
+     *
+     * Returns an empty string if no CMP URL is configured for this domain.
+     */
+    public function getCmpUrl(): string
+    {
+        return $this->getDomainConfig()->cmpUrl;
+    }
+
+    private function getDomainConfig(): DomainConfig
     {
         $request = $this->requestStack->getCurrentRequest();
 
         if (null === $request) {
-            return 'base';
+            return DomainConfig::default();
         }
 
-        return $request->attributes->get(DomainThemeListener::THEME_ATTRIBUTE, 'base');
+        return $request->attributes->get(
+            DomainThemeListener::DOMAIN_CONFIG_ATTRIBUTE,
+            DomainConfig::default()
+        );
     }
 
     /**