Contact-form example with Neos.Fusion.Form and a custom controller

ContactController.php

<?php
namespace Vendor\Site\Controller;

use Neos\Flow\Annotations as Flow;
use Neos\Flow\Mvc\Controller\ActionController;
use Neos\SwiftMailer\Message as SwiftMailerMessage;

class ContactController extends ActionController
{
    /**
     * @var string
     * @Flow\InjectConfiguration(path="contact.recipient")
     */
    protected $recipient;

    /**
     * @var string
     * @Flow\InjectConfiguration(path="contact.sender")
     */
    protected $sender;

    /**
     * @var string
     * @Flow\InjectConfiguration(path="contact.subject")
     */
    protected $subject;

    /**
     * @var string
     * @Flow\InjectConfiguration(path="contact.thankYouPath")
     */
    protected $thankYouPath;

    /**
     * @param string $name
     * @param string $email
     * @param string $phone
     * @param string $message
     * 
     * @Flow\Validate(argumentName="name", type="NotEmpty")
     * @Flow\Validate(argumentName="email", type="EmailAddress")
     * @Flow\Validate(argumentName="email", type="NotEmpty")
     * @Flow\Validate(argumentName="phone", type="NotEmpty")
     * @Flow\Validate(argumentName="message", type="NotEmpty")
     */
    public function contactAction(string $name, string $email, string $phone, string $message)
    {
        $mail = new SwiftMailerMessage();

        $mail
            ->setFrom($email, $name)
            ->setSubject($this->subject);

        $mail->setTo($this->recipient);

        // build body
        $content = "";
        $content .= "Name: " . strip_tags($name) .chr(10);
        $content .= "Email: " . strip_tags($email) .chr(10);
        $content .= "Phone: " . strip_tags($phone).chr(10);
        $content .= "Message: " .chr(10) . strip_tags($message);
        $mail->setBody($content);

        // send
        $mail->send();

        // redirect
        $uri = $this->controllerContext->getRequest()->getHttpRequest()->getUri();
        $uri = $uri->withPath($this->thankYouPath)->withQuery('');
        $this->redirectToUri($uri);
    }
}

Form.fusion

renderer = afx`

<Neos.Fusion.Form:Form
        form.target.package="Vendor.Site"
        form.target.controller="Contact"
        form.target.action="contact"
  >
    <Neos.Fusion.Form:Textfield 
        field.name="name" 
        attributes.placeholder="Name" 
        attributes.required="" />
    <Neos.Fusion.Form:Input 
        field.name="email" 
        attributes.type="email" 
        attributes.placeholder="Email" 
        attributes.required="" />
    <Neos.Fusion.Form:Textfield 
        field.name="phone" 
        attributes.type="text" 
        attributes.placeholder="Telefon" 
        attributes.required="" />
    <Neos.Fusion.Form:Textarea 
        field.name="message" 
        attributes.rows="6" 
        attributes.placeholder="Nachricht" 
        attributes.required=""
    ></Neos.Fusion.Form:Textarea>
    <Neos.Fusion.Form:Button attributes.type="submit">Submit</Neos.Fusion.Form:Button>
</Neos.Fusion.Form:Form>
`

Policy.yaml

privilegeTargets:
  'Neos\Flow\Security\Authorization\Privilege\Method\MethodPrivilege':
    'Vendor.Site:Contact':
      matcher: 'method(Vendor\Site\Controller\ContactController->contactAction())'

roles:
  'Neos.Flow:Everybody':
    privileges:
      -
        privilegeTarget: 'Vendor.Site:Contact'
        permission: GRANT

Routes.yaml

-
  name:  'Contact'
  uriPattern: 'contact/email'
  defaults:
    '@package':    'Vendor.Site'
    '@controller': 'Contact'
    '@action':     'contact'
    '@format':     'html'
  appendExceedingArguments: true

Settings.yaml

Neos:
  Flow:
    mvc:
      routes:
        Vendor.Site:
          position: 'before Neos.Neos'

Vendor:
  Site:
    contact:
      recipient: "[email protected]"
      subject: "Contact form was sent"
      from: "[email protected]"
      thankYouPath: "/thankyou.html"