controller.php

<?php

namespace Mockizart\Bundle\BlogBundle\Controller;

use Mockizart\Bundle\BlogBundle\MockizartBlogBundle;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;

use Mockizart\Bundle\BlogBundle\Entity\MockblogTag;
use Mockizart\Bundle\BlogBundle\Form\MockblogTagType;

/**
 * MockblogTag controller.
 *
 */
class MockblogTagController extends Controller
{

    protected $bundle;

    public function __construct()
    {
        $this->bundle = new MockizartBlogBundle();
    }

    /**
     * Lists all MockblogTag entities.
     *
     */
    public function indexAction()
    {
        $em = $this->getDoctrine()->getManager();

        $entities = $em->getRepository($this->bundle->getTagEntityName())->findAll();

        return $this->render($this->bundle->getTagEntityName() . ':index.html.twig', array(
            'entities' => $entities,
        ));
    }
    /**
     * Creates a new MockblogTag entity.
     *
     */
    public function createAction(Request $request)
    {
        $entity = new MockblogTag();
        $entity->setDateCreated(time());
        $entity->setUserId($this->getUser()->getId());
        $form = $this->createCreateForm($entity);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $em = $this->getDoctrine()->getManager();
            $em->persist($entity);
            $em->flush();

            return $this->redirect($this->generateUrl('tag_show', array('id' => $entity->getId())));
        }

        return $this->render($this->bundle->getTagEntityName() . ':new.html.twig', array(
            'entity' => $entity,
            'form'   => $form->createView(),
        ));
    }

    /**
     * Creates a form to create a MockblogTag entity.
     *
     * @param MockblogTag $entity The entity
     *
     * @return \Symfony\Component\Form\Form The form
     */
    private function createCreateForm(MockblogTag $entity)
    {
        $form = $this->createForm(new MockblogTagType(), $entity, array(
            'action' => $this->generateUrl('tag_create'),
            'method' => 'POST',
            'attr' => ['class' => 'form-box'],
        ));

        $form->add('submit', 'submit', array('label' => 'Create'));

        return $form;
    }

    /**
     * Displays a form to create a new MockblogTag entity.
     *
     */
    public function newAction()
    {
        $entity = new MockblogTag();
        $form   = $this->createCreateForm($entity);

        return $this->render($this->bundle->getTagEntityName() . ':new.html.twig', array(
            'entity' => $entity,
            'form'   => $form->createView(),
        ));
    }

    /**
     * Finds and displays a MockblogTag entity.
     *
     */
    public function showAction($id)
    {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository($this->bundle->getTagEntityName())->find($id);

        if (!$entity) {
            throw $this->createNotFoundException('Unable to find MockblogTag entity.');
        }

        $deleteForm = $this->createDeleteForm($id);

        return $this->render($this->bundle->getTagEntityName() . ':show.html.twig', array(
            'entity'      => $entity,
            'delete_form' => $deleteForm->createView(),
        ));
    }

    /**
     * Displays a form to edit an existing MockblogTag entity.
     *
     */
    public function editAction($id)
    {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository($this->bundle->getTagEntityName())->find($id);

        if (!$entity) {
            throw $this->createNotFoundException('Unable to find MockblogTag entity.');
        }

        $editForm = $this->createEditForm($entity);
        $deleteForm = $this->createDeleteForm($id);

        return $this->render($this->bundle->getTagEntityName() . ':edit.html.twig', array(
            'entity'      => $entity,
            'edit_form'   => $editForm->createView(),
            'delete_form' => $deleteForm->createView(),
        ));
    }

    /**
    * Creates a form to edit a MockblogTag entity.
    *
    * @param MockblogTag $entity The entity
    *
    * @return \Symfony\Component\Form\Form The form
    */
    private function createEditForm(MockblogTag $entity)
    {
        $form = $this->createForm(new MockblogTagType(), $entity, array(
            'action' => $this->generateUrl('tag_update', array('id' => $entity->getId())),
            'method' => 'PUT',
        ));

        $form->add('submit', 'submit', array('label' => 'Update'));

        return $form;
    }
    /**
     * Edits an existing MockblogTag entity.
     *
     */
    public function updateAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository($this->bundle->getTagEntityName())->find($id);

        if (!$entity) {
            throw $this->createNotFoundException('Unable to find MockblogTag entity.');
        }

        $deleteForm = $this->createDeleteForm($id);
        $editForm = $this->createEditForm($entity);
        $editForm->handleRequest($request);

        if ($editForm->isValid()) {
            $em->flush();

            return $this->redirect($this->generateUrl('tag_edit', array('id' => $id)));
        }

        return $this->render($this->bundle->getTagEntityName() . ':edit.html.twig', array(
            'entity'      => $entity,
            'edit_form'   => $editForm->createView(),
            'delete_form' => $deleteForm->createView(),
        ));
    }
    /**
     * Deletes a MockblogTag entity.
     *
     */
    public function deleteAction(Request $request, $id)
    {
        $form = $this->createDeleteForm($id);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $em = $this->getDoctrine()->getManager();
            $entity = $em->getRepository($this->bundle->getTagEntityName())->find($id);

            if (!$entity) {
                throw $this->createNotFoundException('Unable to find MockblogTag entity.');
            }

            $em->remove($entity);
            $em->flush();
        }

        return $this->redirect($this->generateUrl('tag'));
    }

    /**
     * Creates a form to delete a MockblogTag entity by id.
     *
     * @param mixed $id The entity id
     *
     * @return \Symfony\Component\Form\Form The form
     */
    private function createDeleteForm($id)
    {
        return $this->createFormBuilder()
            ->setAction($this->generateUrl('tag_delete', array('id' => $id)))
            ->setMethod('DELETE')
            ->add('submit', 'submit', array('label' => 'Delete'))
            ->getForm()
        ;
    }
}

form.php

<?php

namespace Mockizart\Bundle\BlogBundle\Form;

use Mockizart\Bundle\BlogBundle\MockizartBlogBundle;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;

class MockblogTagType extends AbstractType
{

    protected  $bundle;

    public function __construct()
    {
        $this->bundle = new MockizartBlogBundle();
    }

     /**
     * @param FormBuilderInterface $builder
     * @param array $options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('name')
            ->add('slug')
        ;
    }
    
    /**
     * @param OptionsResolverInterface $resolver
     */
    public function setDefaultOptions(OptionsResolverInterface $resolver)
    {
        $resolver->setDefaults(array(
            'data_class' => $this->bundle->getTagEntityNamespace()
        ));
    }

    /**
     * @return string
     */
    public function getName()
    {
        return 'mockizart_bundle_blogbundle_mockblogtag';
    }
}

view.html.twig

{% extends '::base.html.twig' %}

{% block body -%}
    <h1>MockblogTag creation</h1>

    {{ form(form) }}

        <ul class="record_actions">
    <li>
        <a href="{{ path('tag') }}">
            Back to the list
        </a>
    </li>
</ul>
{% endblock %}