Controller Ajax (voir updateAction)

ArticleController.php

<?php
namespace User\Controller;

use Zend\Mvc\Controller\AbstractActionController;
use Zend\View\Model\ViewModel,
    Zend\Session\Container,
    Doctrine\ORM\EntityManager,
    Zend\Form\Element;

use User\Entity\Article,
    User\Entity\Commentaire,
    User\Entity\Image,
    User\Form\ArticleForm,
    User\Form\ImageForm,
    User\Form\CommentaireForm;


/**
 * Description of ArticleController
 *
 * @author dudu
 */
class ArticleController extends AbstractActionController
{
    protected $em;

    public function getEntityManager()
    {
        if (null === $this->em) {
            $this->em = $this->getServiceLocator()->get('doctrine.entitymanager.orm_default');
        }
        return $this->em;
    }

    public function indexAction($article = null)
    {
        if ($article === null){
            $article =  $this->getEntityManager()->getRepository('User\Entity\Article')->findLastArticleOrNull();
        }
        $articles = $this->getEntityManager()->getRepository('User\Entity\Article')->findByIsPublished(true);
        $formCommentaire = new CommentaireForm();

        return new ViewModel(array(
            'article'         => $article,
            'articles'        => $articles,
            'formCommentaire' => $formCommentaire
            ));
    }

    public function addCommentaireAction()
    {
        $id = (int)$this->getEvent()->getRouteMatch()->getParam('id');
        $em = $this->getEntityManager();
        $article =  $em->getRepository('User\Entity\Article')->find($id);
        if ($article !== null) {
            $form = new CommentaireForm();
            $request = $this->getRequest();
            if ($request->isPost()) {
               $form->setData($request->getPost());
               if ($form->isValid()) {
                   $commentaire = new Commentaire();
                   $commentaire->setPseudo($form->get('pseudo')->getValue())
                               ->setContent($form->get('content')->getValue());
                   $article->addCommentaire($commentaire);
                   $em->persist($article);
                   $em->flush();

                   return $this->redirect()->toRoute('article', array('action' => 'show', 'id' => $id));
               }
            }
        }

        return $this->redirect()->toRoute('article', array('action' => 'show', 'id' => $id));
    }

    public function addAction()
    {
        $form = new ArticleForm();
        $formImage = new ImageForm();
        $request = $this->getRequest();
        if ($request->isPost()) {
             $form->setData($request->getPost());
            if ($form->isValid()) {
                $em = $this->getEntityManager();
                $article = new Article();
                $isPublished = $form->get('isPublished')->getValue() === null ? false : true;
                $article->setTitle($form->get('title')->getValue())
                        ->setContent($form->get('content')->getValue())
                        ->setIsPublished($isPublished);
                $em->persist($article);

                $em->flush();
                return $this->redirect()->toRoute('article', array('action' => 'index'));
            }
        }

        return new ViewModel(array(
            'form' => $form,
            'formImage' => $formImage
        ));
    }

    public function addImageAction()
    {
        $form = new ImageForm();
        $lol = $this->params()->fromFiles('upload');
        $request = $this->getRequest();
         if ($request->isPost()) {
             $form->setData($request->getPost());
            if ($form->isValid()) {
                $em = $this->getEntityManager();
                $image = new Image();
                $image->setNom($form->get('name')->getValue());
                $image->setFile($this->params()->fromFiles('file'));
                $em->persist($image);
                $em->flush();

                return $this->redirect()->toRoute('article', array('action' => 'index'));
            }
        }
    }
    
    public function updateAction()
    {
        $request = $this->getRequest();
        if ($request->isPost()) {
            $p = $p;
        }
    }
    public function showAction()
    {
        $article =  $this->getEntityManager()->getRepository('User\Entity\Article')->find((int)$this->getEvent()->getRouteMatch()->getParam('id'));
        if ($article === null) {
            return $this->redirect()->toRoute('article', array('action' => 'index'));
        }

        return $this->indexAction($article);
    }

}