Update file OpenAIEventSubscriber.php for redirecting user to setting page when API key is not present, before it was thowing error

Closes #3446821

src/EventSubscriber/OpenAIEventSubscriber.php

@@ -6,9 +6,12 @@ namespace Drupal\openai\EventSubscriber;
 
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Messenger\MessengerInterface;
+use Drupal\Core\Routing\RouteMatch;
+use Drupal\Core\Url;
 use Drupal\Core\Routing\AdminContext;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
 
@@ -33,16 +36,26 @@ final class OpenAIEventSubscriber implements EventSubscriberInterface {
    */
   public function onKernelRequest(RequestEvent $event): void {
     $config = $this->configFactory->get('openai.settings');
+    
+    $route_name = RouteMatch::createFromRequest($event->getRequest())
+    ->getRouteName();
+    if($route_name == 'openai_chatgpt.chat_form' || $route_name == 'openai_dalle.dalle_form' || $route_name == 'openai_dblog.settings' || $route_name == 'openai_prompt.prompt_form' || $route_name == 'openai_tts.tts_form' ){
+      if ($this->adminContext->isAdminRoute() && empty($config->get('api_key'))) {
+        $message = $this->t('You have not provided an OpenAI API key yet. This is required for its functionality to work. Please obtain an API key from <a href=":account">your OpenAI account</a> and add it to the <a href=":settings">OpenAI settings configuration here</a>.',
+          [
+            ':account' => 'https://platform.openai.com/',
+            ':settings' => '/admin/config/openai/settings'
+          ],
+        );
 
-    if ($this->adminContext->isAdminRoute() && empty($config->get('api_key'))) {
-      $message = $this->t('You have not provided an OpenAI API key yet. This is required for its functionality to work. Please obtain an API key from <a href=":account">your OpenAI account</a> and add it to the <a href=":settings">OpenAI settings configuration here</a>.',
-        [
-          ':account' => 'https://platform.openai.com/',
-          ':settings' => '/admin/config/openai/settings'
-        ],
-      );
-
-      $this->messenger->addError($message);
+        $this->messenger->addError($message);
+          $redirect_url = Url::fromRoute('openai.api_settings', [], [
+            'absolute' => TRUE,
+          ]);
+        if ($redirect_url) {
+            $event->setResponse(new RedirectResponse($redirect_url->toString()));
+        }
+      }
     }
   }