Issue #3258323: After the model name is set the page-title isn't updated after the initial save of a new model

src/Controller/EcaController.php

@@ -4,9 +4,11 @@ namespace Drupal\eca\Controller;
 
 use Drupal\Core\Ajax\AjaxResponse;
 use Drupal\Core\Ajax\MessageCommand;
+use Drupal\Core\Ajax\RedirectCommand;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Entity\EntityStorageInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Url;
 use Drupal\eca\Service\Modellers;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
@@ -72,6 +74,11 @@ class EcaController extends ControllerBase {
     if ($modeller = $this->modellerServices->getModeller($modeller_id)) {
       try {
         $modeller->save($this->request->getContent());
+        $referrer = $this->request->server->get('HTTP_REFERER');
+        $editUrl = Url::fromRoute('entity.eca.edit_form', ['eca' => strtolower($modeller->getId())], ['absolute' => TRUE])->toString();
+        if ($referrer !== $editUrl) {
+          $response->addCommand(new RedirectCommand($editUrl));
+        }
         $message = new MessageCommand('Successfully saved the model.', NULL, [
           'type' => 'status',
         ]);