Symfony2 Form Component + Doctrine2 CRUD problems

symfony2-form-crud

<?php

namespace Ingenii\HomeBudgetBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;

class DashboardController extends Controller
{
	/**
	* @Route("/", name="homebudget_dashboard_index")
	* @Template()
	*/
    public function indexAction()
    {
        return array();
    }
    
	/**
	* @Route("/user/{id}", name="homebudget_dashboard_useroverview", defaults={"id" = null}, requirements={"id" = "\d+"})
	* @Template()
	*/
    public function userOverviewAction($id)
    {
    	$em = $this->get('doctrine')->getEntityManager();
    	if(null === $id) {
    		$user = new \Ingenii\HomeBudgetBundle\Entity\User();
    	} else {
    		$user = $em->find('IngeniiHomeBudgetBundle:User', $id);
    	}
    	$form = $this->getUserForm($user);    	
    	$users = $em->getRepository('IngeniiHomeBudgetBundle:User')->findAll();
        return array('user' => $user, 'users' => $users, 'form' => $form->createView());
    }
    
    /**
     * @Route("/user/delete/{id}", name="homebudget_dashboard_userdelete")
     */
    public function userDeleteAction($id) {
    	die("Deleted " + $id);
    }
    
/**
     * @Route("/user/submit", name="homebudget_dashboard_usersubmit")
     */
    public function userSubmitAction() {
    	$request 	= $this->get('request');
    	$em 		= $this->get('doctrine')->getEntityManager();
    	$postData 	= $request->get('form');
    	
    	$newUser = true;
    	if($postData['id'] === '') {
    		$user = new \Ingenii\HomeBudgetBundle\Entity\User();
    	} else {
    		$user = $em->find('IngeniiHomeBudgetBundle:User', $postData['id']);
    		$newUser = false; 
    	}
        
    	$form = $this->getUserForm($user);  
	    if ($request->getMethod() == 'POST') {
	        $form->bindRequest($request);	 	        
	        if($form->isValid()) {
	        	$user = $form->getData();
	        	
	        	if($newUser) {
	        		$em->persist($user);
	        	}
	        	$em->flush();
	        }
	    }
	    
	    return $this->redirect($this->generateUrl('homebudget_dashboard_useroverview'));
    }
    
    protected function getUserForm($user) {
    	return $this->get('form.factory')->createBuilder('form', $user)
    		 		 ->add('name', 'text')
    		 		 ->add('password','password')
    		 		 ->add('id','hidden')
    		 		 ->getForm();
    }
}