/**
* Article controller.
*
* @Route("/article")
*/
class ArticleController extends Controller
{
    /**
     * Displays a form for the article Assistant.
     *
     * @Route("/assistant", name="article_assistant")
     * @Template()
     */
    public function articleAssistantAction()
    {
       $article = new Article();

       $product = new Product();
       $article->setProduct($product);

       $productVariantAssociation = new ProductVariantAssociation();
       $product->getProductVariantAssociation()->add($productVariantAssociation);

       $form = $this->createForm(new ArticleType(), $article);

        return array(
           'article' => $article,
          'form'   => $form->createView(),
       );
    }

    /**
    * Creates a new Article entity.
    *
    * @Route("/assistant/create", name="article_assistant_create")
    * @Method("post")
    * @Template()
    */
    public function articleAssistantCreateAction()
    {
       $article = new Article();

       $product = new Product();
       $article->setProduct($product);

       $variant = new Variant();
       $productVariantAssociation = new ProductVariantAssociation();
       $productVariantAssociation->setVariant($variant);
       $productVariantAssociation->setProduct($product);
       $product->getProductVariantAssociation()->add($productVariantAssociation);

       $request = $this->getRequest();
       $form    = $this->createForm(new ArticleType(), $article);
       $form->bindRequest($request);

       $em = $this->getDoctrine()->getEntityManager();
       $em->persist($article);
       $em->persist($product);
       $em->persist($variant);
       $em->persist($productVariantAssociation);
       $em->flush();

       return array(
          'article' => $article
       );
    }
}