SendAccountEmail.php

<?php

namespace Drupal\rules\Plugin\RulesAction;

use Drupal\Core\Logger\LoggerChannelInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\rules\Core\RulesActionBase;
use Drupal\user\UserInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a 'Send account email' action.
 *
 * @todo Add access callback information from Drupal 7.
 *
 * @RulesAction(
 *   id = "rules_send_account_email",
 *   label = @Translation("Send account email"),
 *   category = @Translation("User"),
 *   context_definitions = {
 *     "user" = @ContextDefinition("entity:user",
 *       label = @Translation("User"),
 *       description = @Translation("The user to whom we send the email.")
 *     ),
 *     "email_type" = @ContextDefinition("string",
 *       label = @Translation("Email type"),
 *       description = @Translation("The type of the email to send."),
 *       options_provider = "\Drupal\rules\TypedData\Options\EmailTypeOptions",
 *     ),
 *   }
 * )
 */
class SendAccountEmail extends RulesActionBase implements ContainerFactoryPluginInterface {
    
    /**
     * @var \Drupal\Core\Logger\LoggerChannelInterface
     */
    protected $logger;
    
    /**
     * Constructs a SendAccountEmail object.
     *
     * @param array $configuration
     *   A configuration array containing information about the plugin instance.
     * @param string $plugin_id
     *   The plugin ID for the plugin instance.
     * @param mixed $plugin_definition
     *   The plugin implementation definition.
     * @param \Drupal\Core\Logger\LoggerChannelInterface $logger
     *   The rules logger service.
     */
    public function __construct(array $configuration, $plugin_id, $plugin_definition, LoggerChannelInterface $logger) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
        $this->logger = $logger;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($configuration, $plugin_id, $plugin_definition, $container->get('logger.factory')
            ->get('rules'));
    }
    
    /**
     * Send account email.
     *
     * @param \Drupal\user\UserInterface $user
     *   User who should receive the notification.
     * @param string $email_type
     *   Type of email to be sent.
     */
    protected function doExecute(UserInterface $user, $email_type) {
        $message = _user_mail_notify($email_type, $user);
        // Log the success or failure.
        if (!$message['result']) {
            $this->logger
                ->notice('%type email sent to %recipient.', [
                '%type' => $email_type,
                '%recipient' => $user->mail,
            ]);
        }
        else {
            $this->logger
                ->error('Failed to send %type email to %recipient.', [
                '%type' => $email_type,
                '%recipient' => $user->mail,
            ]);
        }
    }

}