Add ValueResolver

ValueResolver/PropelValueResolver.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Propel\Bundle\PropelBundle\ValueResolver;
+
+use Propel\Runtime\ActiveRecord\ActiveRecordInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Attribute\AsTargetedValueResolver;
+use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+#[AsTargetedValueResolver('propel')]
+class PropelValueResolver implements ValueResolverInterface
+{
+    public function resolve(Request $request, ArgumentMetadata $argument): iterable
+    {
+        $className = $argument->getType();
+        if (!is_subclass_of($className, ActiveRecordInterface::class)) {
+            return [];
+        }
+
+        $idParam = lcfirst($this->baseName($className) . 'Id');
+        $id = $request->attributes->get($idParam);
+        if ($id === null) {
+            return [];
+        }
+
+        $queryClass = $className . 'Query';
+        if (!class_exists($queryClass)) {
+            return [];
+        }
+
+        $entity = $queryClass::create()->findPk($id);
+
+        if (!$entity) {
+            $msg = sprintf(
+                'Could not resolve entity (%s: %s) for class: %s',
+                $idParam,
+                $id,
+                $className,
+            );
+            throw new NotFoundHttpException($msg);
+        }
+
+        return [$entity];
+    }
+
+    private function baseName(string $className): string
+    {
+        $parts = explode('\\', $className);
+        return end($parts);
+    }
+}