[2.x] Render un Bloc avec Sonata BlockBundle

Bonjour,

J'ai créé un bloc et j'ai ajouté du contenu a l’intérieur de bloc. Je voudrais render mon bloc dans ma page myblock.html.twig. Pour cela j'ai dû créer un controller et un service.

Quand j'actualise la page j'ai l'erreur suivante: (Pourtant mon serveur fonctionne bien et j'arrive aussi a ouvrir les autres page de mon site)

Citation:

This webpage is not available

ERR_CONNECTION_RESET

myblock.html.twig

Code:

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{% extends sonata_block.templates.block_base %}
 
{% block block %}
    {{ sonata_block_render({'type':'sonata.block.service.myblock'}) }}
{% endblock %}

MyBlockService.php

Code:

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<?php
 
namespace FLY\BookingsBundle\Block;
use Symfony\Component\HttpFoundation\Response;
use Sonata\AdminBundle\Form\FormMapper;
use Sonata\CoreBundle\Validator\ErrorElement;
use Sonata\BlockBundle\Model\BlockInterface;
use Sonata\BlockBundle\Block\BlockContextInterface;
use Sonata\BlockBundle\Block\BaseBlockService;
use Doctrine\ORM\EntityManager;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\OptionsResolver\OptionsResolverInterface;
class MyBlockService extends BaseBlockService
{
    private $em;
 
    /**
     * {@inheritdoc}
     */
 
 
    public function execute(BlockContextInterface $block, Response $response = null)
    {
        // merge settings
        $settings = array_merge($this->getDefaultSettings(), $block->getSettings());
        return $this->renderResponse('FLYBookingsBundle:Default:myblock.html.twig', array(
            'block'     => $block,
            'settings'  => $settings
        ), $response);
    }
 
    /**
     * {@inheritdoc}
     */
    public function validateBlock(ErrorElement $errorElement, BlockInterface $block)
    {
        // TODO: Implement validateBlock() method.
    }
 
    /**
     * {@inheritdoc}
     */
    public function buildEditForm(FormMapper $formMapper, BlockInterface $block)
    {
        $formMapper->add('settings', 'sonata_type_immutable_array', array(
            'keys' => array(
                array('content', 'textarea', array()),
            )
        ));
    }
 
    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'Text (core)';
    }
 
    /**
     * {@inheritdoc}
     */
    public function getDefaultSettings()
    {
        return array();
    }
 
 
    /**
     * {@inheritdoc}
     */
    public function configureSettings(OptionsResolver $resolver)
    {
        $resolver->setDefaults(array(
            'content'    => 'Insert your custom content here',
        ));
    }
 
 
    public function __construct($name, $templating, EntityManager $entityManager)
    {
        parent::__construct($name, $templating);
        $this->em = $entityManager;
    }}

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service.yml
sonata.block.service.myblock:
          class: FLY\BookingsBundle\Block\MyBlockService
          arguments: [ "sonata.block.service.myblock", @templating, @doctrine.orm.entity_manager ]
          tags:
            - { name: sonata.block }