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

Author: GeLoLabs

src/JsonSchema/SchemaFactory.php

@@ -74,6 +74,14 @@ public function buildSchema(string $className, string $format = 'json', string $
             return $schema;
         }
 
+        if ('input' === $type && !($operation?->canDeserialize() ?? true)) {
+            return $schema;
+        }
+
+        if ('output' === $type && !($operation?->canSerialize() ?? true)) {
+            return $schema;
+        }
+
         $validationGroups = $operation ? $this->getValidationGroups($operation) : [];
         $version = $schema->getVersion();
         $definitionName = $this->definitionNameFactory->create($className, $format, $inputOrOutputClass, $operation, $serializerContext);