[JsonSchema] Only build schemas which can be serialized / deserialied

Author: GeLoLabs

src/JsonSchema/SchemaFactory.php

@@ -65,6 +65,14 @@ public function buildSchema(string $className, string $format = 'json', string $
 
         [$operation, $serializerContext, $validationGroups, $inputOrOutputClass] = $metadata;
 
+        if ('input' === $type && !($operation?->canDeserialize() ?? true)) {
+            return $schema;
+        }
+
+        if ('output' === $type && !($operation?->canSerialize() ?? true)) {
+            return $schema;
+        }
+
         $version = $schema->getVersion();
         $definitionName = $this->buildDefinitionName($className, $format, $inputOrOutputClass, $operation, $serializerContext);