ZF2 Mail Service It is possible to embed a layout and template for the e-mail

gistfile1.php

<?php

/*
 * Original: https://gist.github.com/devmatheus/38cd250c3bb46f0ad2c8
 *
 * Changes:
 * - It is not necessary define page on __construct
 * - Set layout for embed template
 *
 * Problem:
 * - It is necessary keep de layout and page in the same Module
 */

namespace MyModule\Mail;

use Zend\Mail\Transport\Smtp as SmtpTransport;
use Zend\Mail\Message;

use Zend\View\Model\ViewModel;
use Zend\View\Renderer\PhpRenderer;

use Zend\Mime\Message as MimeMessage;
use Zend\Mime\Part as MimePart;


class Mail
{

    protected $transport;
    protected $view;
    protected $body;
    protected $message;
    protected $subject;
    protected $from;
    protected $to;
    protected $data;
    protected $page;
    protected $layout;

    public function __construct(SmtpTransport $transport, $view)
    {
        $this->transport = $transport;
        $this->view = $view;
    }

    public function setPage($page)
    {
        $this->page = $page;
        return $this;
    }

    public function setLayout($layout)
    {
        $this->layout = $layout;
        return $this;
    }

    public function setSubject($subject)
    {
        $this->subject = $subject;
        return $this;
    }

    public function setFrom($from)
    {
        $this->from = $from;
        return $this;
    }

    public function setTo($to)
    {
        $this->to = $to;
        return $this;
    }

    public function setData($data)
    {
        $this->data = $data;
        return $this;
    }

    public function renderView($page, array $data)
    {
        $model = new ViewModel;
        $model->setTemplate("mailer/{$page}.phtml");
        $model->setOption('has_parent',true);
        $model->setVariables($data);

        $view = new \Zend\View\Renderer\PhpRenderer();
        $resolver = new \Zend\View\Resolver\TemplateMapResolver();
        $mapper = array(
            'mailTemplate' => __DIR__ . "/../../../view/mailer/{$page}.phtml",
        );
        $resolver->setMap($mapper);
        $view->setResolver($resolver);

        $viewModel = new \Zend\View\Model\ViewModel();
        $viewModel->setTemplate('mailTemplate')
            ->setVariables($data);
        $content = $view->render($viewModel);

        if ($this->layout) {
            $mapper['mailLayout'] = __DIR__ .   "/../../../view/layout/{$this->layout}.phtml";
            $resolver->setMap($mapper);
            $viewLayout = new \Zend\View\Model\ViewModel();
            $variables = array_merge(
                array('content' => $content),
                $data
            );
            $viewLayout->setTemplate('mailLayout')
                ->setVariables($variables);
            $content = $view->render($viewLayout);
        }

        return $content;
    }

    public function prepare()
    {
        $html = new MimePart($this->renderView($this->page, $this->data));
        $html->type = "text/html";

        $body = new MimeMessage();
        $body->setParts(array($html));
        $this->body = $body;

        $this->message = new Message;
        $this->message->addFrom($this->from)
            ->addTo($this->to)
            ->setSubject($this->subject)
            ->setBody($this->body);

        return $this;
    }

    public function send()
    {
        $this->transport->send($this->message);
    }

}