From 9b5d841586b1caa122dde6c086005641d3a62ce0 Mon Sep 17 00:00:00 2001
From: Sztig <sebastianjamula@gmail.com>
Date: Fri, 22 May 2026 13:35:35 +0200
Subject: [PATCH] added new listener and log channel to handle
 ArgumentsException logging

---
 .../IbexaGraphQLExtension.php                 |  1 +
 .../Resources/config/services/services.yaml   |  4 ++
 .../ArgumentsExceptionListener.php            | 46 +++++++++++++++++++
 3 files changed, 51 insertions(+)
 create mode 100644 src/lib/EventListener/ArgumentsExceptionListener.php

diff --git a/src/bundle/DependencyInjection/IbexaGraphQLExtension.php b/src/bundle/DependencyInjection/IbexaGraphQLExtension.php
index 1882026..727c974 100644
--- a/src/bundle/DependencyInjection/IbexaGraphQLExtension.php
+++ b/src/bundle/DependencyInjection/IbexaGraphQLExtension.php
@@ -73,6 +73,7 @@ public function prepend(ContainerBuilder $container)
             'dir' => $container->getParameter('kernel.project_dir') . self::SCHEMA_DIR_PATH,
         ];
         $container->prependExtensionConfig('overblog_graphql', $graphQLConfig);
+        $container->prependExtensionConfig('monolog', ['channels' => ['graphql']]);
     }
 
     /**
diff --git a/src/bundle/Resources/config/services/services.yaml b/src/bundle/Resources/config/services/services.yaml
index 5e2dd63..e9c8dd7 100644
--- a/src/bundle/Resources/config/services/services.yaml
+++ b/src/bundle/Resources/config/services/services.yaml
@@ -44,6 +44,10 @@ services:
             $provider: '@ibexa.siteaccess.provider'
             $siteAccessGroups: '%ibexa.site_access.groups%'
 
+    Ibexa\GraphQL\EventListener\ArgumentsExceptionListener:
+        arguments:
+            $logger: '@monolog.logger.graphql'
+
     Ibexa\GraphQL\Mapper\ContentImageAssetMapperStrategy:
         arguments:
             $assetMapper: '@Ibexa\Core\FieldType\ImageAsset\AssetMapper'
diff --git a/src/lib/EventListener/ArgumentsExceptionListener.php b/src/lib/EventListener/ArgumentsExceptionListener.php
new file mode 100644
index 0000000..de7d214
--- /dev/null
+++ b/src/lib/EventListener/ArgumentsExceptionListener.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * @copyright Copyright (C) Ibexa AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+namespace Ibexa\GraphQL\EventListener;
+
+use Ibexa\GraphQL\DataLoader\Exception\ArgumentsException;
+use Overblog\GraphQLBundle\Event\ErrorFormattingEvent;
+use Overblog\GraphQLBundle\Event\Events;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+final class ArgumentsExceptionListener implements EventSubscriberInterface
+{
+    private LoggerInterface $logger;
+
+    public function __construct(LoggerInterface $logger)
+    {
+        $this->logger = $logger;
+    }
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            Events::ERROR_FORMATTING => ['onErrorFormatting', 10],
+        ];
+    }
+
+    public function onErrorFormatting(ErrorFormattingEvent $event): void
+    {
+        $exception = $event->getError()->getPrevious();
+
+        if (!$exception instanceof ArgumentsException) {
+            return;
+        }
+
+        $this->logger->critical(
+            sprintf('[GraphQL] %s: %s', ArgumentsException::class, $exception->getMessage()),
+            ['exception' => $exception]
+        );
+
+        $event->stopPropagation();
+    }
+}