Simplify SchemaFactory

examples/structured-output-math.php

@@ -26,10 +26,9 @@
 
 $platform = new OpenAI(HttpClient::create(), $_ENV['OPENAI_API_KEY']);
 $llm = new Gpt($platform, Version::gpt4oMini());
-$responseFormatFactory = new ResponseFormatFactory(SchemaFactory::create());
 $serializer = new Serializer([new ObjectNormalizer()], [new JsonEncoder()]);
 
-$processor = new ChainProcessor($responseFormatFactory, $serializer);
+$processor = new ChainProcessor(new ResponseFormatFactory(), $serializer);
 $chain = new Chain($llm, [$processor], [$processor]);
 $messages = new MessageBag(
     Message::forSystem('You are a helpful math tutor. Guide the user through the solution step by step.'),

src/StructuredOutput/ResponseFormatFactory.php

@@ -9,7 +9,7 @@
 final readonly class ResponseFormatFactory implements ResponseFormatFactoryInterface
 {
     public function __construct(
-        private SchemaFactory $schemaFactory,
+        private SchemaFactory $schemaFactory = new SchemaFactory(),
     ) {
     }
 

src/StructuredOutput/SchemaFactory.php

@@ -9,26 +9,23 @@
 use Symfony\Component\PropertyInfo\PropertyInfoExtractor;
 use Symfony\Component\PropertyInfo\Type;
 
-final readonly class SchemaFactory
+final class SchemaFactory
 {
     public function __construct(
-        private PropertyInfoExtractor $propertyInfo,
+        private ?PropertyInfoExtractor $propertyInfo = null,
     ) {
-    }
+        if (null === $propertyInfo) {
+            $phpDocExtractor = new PhpDocExtractor();
+            $reflectionExtractor = new ReflectionExtractor();
+
+            $this->propertyInfo = new PropertyInfoExtractor(
+                    [$reflectionExtractor],
+                    [$phpDocExtractor, $reflectionExtractor],
+                    [$phpDocExtractor],
+                    [$reflectionExtractor],
+                );
+        }
 
-    public static function create(): self
-    {
-        $phpDocExtractor = new PhpDocExtractor();
-        $reflectionExtractor = new ReflectionExtractor();
-
-        return new self(
-            new PropertyInfoExtractor(
-                [$reflectionExtractor],
-                [$phpDocExtractor, $reflectionExtractor],
-                [$phpDocExtractor],
-                [$reflectionExtractor],
-            )
-        );
     }
 
     /**

tests/StructuredOutput/ResponseFormatFactoryTest.php

@@ -18,7 +18,7 @@ final class ResponseFormatFactoryTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->responseFormatFactory = new ResponseFormatFactory(SchemaFactory::create());
+        $this->responseFormatFactory = new ResponseFormatFactory();
     }
 
     #[Test]

tests/StructuredOutput/SchemaFactoryTest.php

@@ -19,7 +19,7 @@ final class SchemaFactoryTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->schemaFactory = SchemaFactory::create();
+        $this->schemaFactory = new SchemaFactory();
     }
 
     #[Test]