chill-bundles/Controller/PasswordController.php

<?php

namespace Chill\MainBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;

use Chill\MainBundle\Form\UserPasswordType;
use Chill\MainBundle\Entity\User;

class PasswordController extends Controller
{
    /**
     *
     * @param Request $request
     * @return Response
     */
    public function UserPasswordAction(Request $request)
    {

        // get authentified user
        $user = $this->getUser();

        // create a form for password_encoder
        $form = $this->passwordForm($user);

        // process the form
        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {


            $password = $form->getData()->getPassword();

            // logging for prod
            $this->get('logger')->info('update password for an user',
                    array('method' => __METHOD__, 'user' => $user->getUsername()));

            $user->setPassword($this->get('security.password_encoder')
                    ->encodePassword($user, $password));

            $em = $this->getDoctrine()->getManager();
            $em->flush();

            $this->addFlash('success', $this->get('translator')->trans('Password successfully updated!'));

        }

        // render into a template
        return $this->render('ChillMainBundle:Password:password.html.twig', array(
            'form' => $form->createView()
        ));

    }

    /**
     *
     *
     * @param User $user
     * @return \Symfony\Component\Form\Form
     */
    private function passwordForm(User $user)
    {
        return $this->createForm(UserPasswordType::class, $user, array(
            'method' => 'PUT',

            ))
                ->add('submit', SubmitType::class, array('label' => 'Change password'))
                ;
    }


}