From 86745ae2ebc1f010f4fd20a7ecafb9a50a353f5f Mon Sep 17 00:00:00 2001
From: Guilhem Niot <guilhem@gniot.fr>
Date: Mon, 26 Sep 2022 09:09:27 +0200
Subject: [PATCH 1/3] Make ClassMetadataFactory optional

---
 ModelDescriber/ObjectModelDescriber.php | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/ModelDescriber/ObjectModelDescriber.php b/ModelDescriber/ObjectModelDescriber.php
index 8582ac5..6f81f7b 100644
--- a/ModelDescriber/ObjectModelDescriber.php
+++ b/ModelDescriber/ObjectModelDescriber.php
@@ -33,7 +33,7 @@ class ObjectModelDescriber implements ModelDescriberInterface, ModelRegistryAwar
 
     /** @var PropertyInfoExtractorInterface */
     private $propertyInfo;
-    /** @var ClassMetadataFactoryInterface */
+    /** @var ClassMetadataFactoryInterface|null */
     private $classMetadataFactory;
     /** @var Reader */
     private $doctrineReader;
@@ -41,27 +41,27 @@ class ObjectModelDescriber implements ModelDescriberInterface, ModelRegistryAwar
     private $propertyDescribers;
     /** @var string[] */
     private $mediaTypes;
-    /** @var NameConverterInterface[] */
+    /** @var NameConverterInterface|null */
     private $nameConverter;
     /** @var bool */
     private $useValidationGroups;
 
     public function __construct(
         PropertyInfoExtractorInterface $propertyInfo,
-        ClassMetadataFactoryInterface $classMetadataFactory,
         Reader $reader,
         iterable $propertyDescribers,
         array $mediaTypes,
         NameConverterInterface $nameConverter = null,
-        bool $useValidationGroups = false
+        bool $useValidationGroups = false,
+        ClassMetadataFactoryInterface $classMetadataFactory = null
     ) {
         $this->propertyInfo = $propertyInfo;
-        $this->classMetadataFactory = $classMetadataFactory;
         $this->doctrineReader = $reader;
         $this->propertyDescribers = $propertyDescribers;
         $this->mediaTypes = $mediaTypes;
         $this->nameConverter = $nameConverter;
         $this->useValidationGroups = $useValidationGroups;
+        $this->classMetadataFactory = $classMetadataFactory;
     }
 
     public function describe(Model $model, OA\Schema $schema)
@@ -89,9 +89,12 @@ class ObjectModelDescriber implements ModelDescriberInterface, ModelRegistryAwar
 
         $schema->type = 'object';
 
-        $mapping = $this->classMetadataFactory
-            ->getMetadataFor($class)
-            ->getClassDiscriminatorMapping();
+        $mapping = false;
+        if (null !== $this->classMetadataFactory) {
+            $mapping = $this->classMetadataFactory
+                ->getMetadataFor($class)
+                ->getClassDiscriminatorMapping();
+        }
 
         if ($mapping && Generator::UNDEFINED === $schema->discriminator) {
             $this->applyOpenApiDiscriminator(

From 364ee43ee97cf0419817bdc0bfd490dfa38d3caf Mon Sep 17 00:00:00 2001
From: Guilhem Niot <guilhem@gniot.fr>
Date: Mon, 26 Sep 2022 09:10:23 +0200
Subject: [PATCH 2/3] Update services.xml

---
 Resources/config/services.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Resources/config/services.xml b/Resources/config/services.xml
index 9772302..438d8b3 100644
--- a/Resources/config/services.xml
+++ b/Resources/config/services.xml
@@ -71,12 +71,12 @@
         <!-- Model Describers -->
         <service id="nelmio_api_doc.model_describers.object" class="Nelmio\ApiDocBundle\ModelDescriber\ObjectModelDescriber" public="false">
             <argument type="service" id="property_info" />
-            <argument type="service" id="serializer.mapping.class_metadata_factory" />
             <argument type="service" id="annotations.reader" />
             <argument type="tagged" tag="nelmio_api_doc.object_model.property_describer" />
             <argument />
             <argument type="service" id="serializer.name_converter.metadata_aware" on-invalid="ignore" />
             <argument>%nelmio_api_doc.use_validation_groups%</argument>
+            <argument type="service" id="serializer.mapping.class_metadata_factory" on-invalid="ignore" />
 
             <tag name="nelmio_api_doc.model_describer" />
         </service>

From 40ad9c91f718b4a32660dc292396542d6a8d02d0 Mon Sep 17 00:00:00 2001
From: Guilhem Niot <guilhem@gniot.fr>
Date: Mon, 26 Sep 2022 09:13:39 +0200
Subject: [PATCH 3/3] fix

---
 DependencyInjection/NelmioApiDocExtension.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DependencyInjection/NelmioApiDocExtension.php b/DependencyInjection/NelmioApiDocExtension.php
index a95beb9..1cb847e 100644
--- a/DependencyInjection/NelmioApiDocExtension.php
+++ b/DependencyInjection/NelmioApiDocExtension.php
@@ -144,7 +144,7 @@ final class NelmioApiDocExtension extends Extension implements PrependExtensionI
             ));
 
         $container->getDefinition('nelmio_api_doc.model_describers.object')
-            ->setArgument(4, $config['media_types']);
+            ->setArgument(3, $config['media_types']);
 
         // Add autoconfiguration for model describer
         $container->registerForAutoconfiguration(ModelDescriberInterface::class)