Как реализовать форму обратной связи в symfony?

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// src/Form/ContactType.php

namespace AppForm;

use SymfonyComponentFormAbstractType;
use SymfonyComponentFormExtensionCoreTypeEmailType;
use SymfonyComponentFormExtensionCoreTypeSubmitType;
use SymfonyComponentFormExtensionCoreTypeTextareaType;
use SymfonyComponentFormFormBuilderInterface;
use SymfonyComponentOptionsResolverOptionsResolver;

class ContactType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('name')
            ->add('email', EmailType::class)
            ->add('message', TextareaType::class)
            ->add('submit', SubmitType::class, [
                'label' => 'Send Message',
            ]);
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            // Опции формы
        ]);
    }
}

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// src/Controller/ContactController.php

namespace AppController;

use AppFormContactType;
use SymfonyBundleFrameworkBundleControllerAbstractController;
use SymfonyComponentHttpFoundationRequest;
use SymfonyComponentHttpFoundationResponse;
use SymfonyComponentRoutingAnnotationRoute;

class ContactController extends AbstractController
{
    /**
     * @Route("/contact", name="contact")
     */
    public function index(Request $request): Response
    {
        $form = $this->createForm(ContactType::class);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            // Отправка сообщения
        }

        return $this->render('contact/index.html.twig', [
            'form' => $form->createView(),
        ]);
    }
}

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{# templates/contact/index.html.twig #}

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

{% block content %}
    <h1>Contact Us</h1>

    {{ form_start(form) }}

    {{ form_widget(form) }}

    {{ form_end(form) }}
{% endblock %}