postoffice-1.0.x-dev/extensions/postoffice_compat/src/Plugin/Mail/UserMail.php

<?php

namespace Drupal\postoffice_compat\Plugin\Mail;

use Drupal\Core\Mail\Attribute\Mail;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\postoffice_compat\Email\UserEmail;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Mime\RawMessage;

/**
 * Defines a mail backend for user module, using Symfony Mailer via Postoffice.
 */
#[Mail(
  id: 'postoffice_user_mail',
  label: new TranslatableMarkup('Postoffice User Mail'),
  description: new TranslatableMarkup('Sends message from the core user module, using Symfony Mailer via Postoffice.'),
)]
class UserMail extends CompatMailBase implements ContainerFactoryPluginInterface {

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $container->get('postoffice.mailer'),
      $container->get('logger.channel.default')
    );
  }

  /**
   * {@inheritdoc}
   */
  protected function emailFromMessage(array $message): RawMessage {
    return UserEmail::createFromMessage($message);
  }

}