Actions

gistfile1.php

<?php

namespace Drupal\action\Plugin;

use Drupal\Component\Plugin\PluginBase;

abstract class ActionBase extends PluginBase implements ActionInterface {

  /**
   * Implements ActionInterface::setParameter().
   */
  public function setParameter($key, $value) {
    $definition = $this->getDefinition();
    if (!isset($definition['parameters'][$key])) {
      throw new ActionException("The $key parameter is not valid for this action.");
    }
    if (!data_type_comparison($definition['parameters'][$key]['type'], $value)) {
      throw new ActionException("The value passed for the $key parameter is not of the appropriate type.");
    }
    $this->configuration['parameters'][$key] = $value;
    return $this;
  }

  /**
   * Implements ActionInterface::getParameter().
   */
  public function getParameter($key) {
    $definition = $this->getDefinition();
    if (!isset($definition['parameters'][$key])) {
      throw new ActionException("The $key parameter is not valid for this action.");
    }
    return $this->configuration['parameters'][$key];
  }

  /**
   * Implements ActionInterface::getParameters().
   */
  public function getParameters() {
    return $this->configuration['parameters'];
  }

  /**
   * Implements ActionInterface::setProcessor().
   */
  public function setProcessor($plugin_id, array $configuration) {
    $this->configuration['processors'][] = system_plugin_manager('processor')->createInstance($plugin_id, $configuration);
    return $this;
  }

  /**
   * Implements ActionInterface::getProcessor().
   */
  public function getProcessors() {
    return $this->configuration['processors'];
  }

  /**
   * Abstract definition of ActionInterface::execute().
   */
  abstract function execute();
}

use Drupal\Core\Annotation\Plugin;
use Drupal\Core\Annotation\Translation;

/**
 * @Plugin(
 *  id = "send_email",
 *  parameters = 
 * )
 */
class ActionEmail extends ActionBase {
  public function execute() {
    $recipient = token_replace($this->configuration['recipient'], $this->configuration['parameters']);

    // If the recipient is a registered user with a language preference, use
    // the recipient's preferred language. Otherwise, use the system default
    // language.
    $recipient_account = user_load_by_mail($recipient);
    if ($recipient_account) {
      $langcode = user_preferred_langcode($recipient_account);
    }
    else {
      $langcode = language_default()->langcode;
    }
    $params = array('context' => $this->configuration);

    if (drupal_mail('system', 'action_send_email', $recipient, $langcode, $params)) {
      watchdog('action', 'Sent email to %recipient', array('%recipient' => $recipient));
    }
    else {
      watchdog('error', 'Unable to send email to %recipient', array('%recipient' => $recipient));
    }
  }
}