notify_entity.module

<?php



/**
 * Implements hook_entity_insert().
 */
function notify_entity_entity_insert(Drupal\Core\Entity\EntityInterface $entity) {
  _notify_entity_trigger_event('insert', $entity);
}


/**
 * Implements hook_entity_delete().
 */
function notify_entity_entity_delete(Drupal\Core\Entity\EntityInterface $entity) {
  _notify_entity_trigger_event('delete', $entity);
}


/**
 * Implements hook_entity_update().
 */
function notify_entity_entity_update(Drupal\Core\Entity\EntityInterface $entity) {
  _notify_entity_trigger_event('update', $entity);
}


/**
 * Central trigger event function.
 *
 * @param String  $event   A string to represent the event.
 * @param \Drupal\Core\Entity\EntityInterface $entity   The triggering entity.
 */
function _notify_entity_trigger_event($event, Drupal\Core\Entity\EntityInterface $entity) {
  $config = \Drupal::configFactory()->get('notify_entity.settings');
  $key = _notify_entity_make_key($entity->getEntityTypeId(), $entity->bundle());

  if ($value = $config->get($key)) {
    if ($value[$event]) {
      $module = 'notify_entity';
      $key = 'new_post';
      $to = $value['email'];
      $params = [
        'event' => $event,
        'entity' => $entity,
      ];
      $language = \Drupal::languageManager()->getDefaultLanguage()->getId();


      \Drupal::service('plugin.manager.mail')->mail($module, $key, $to, $language, $params);
    }
  }
}


/**
 * Implements hook_mail().
 */
function notify_entity_mail($key, &$message, $params) {
  $event = $params['event'];
  $entity = $params['entity'];

  $variables = [
    '@site-name' => \Drupal::config('system.site')->get('name'),
    '@entity-type-name' => $entity->getEntityType()->getLabel(),
    '@entity-title' => $entity->label(),
    '@entity-url' => $entity->toUrl('canonical', ['absolute' => TRUE])->toString(),
    '@id' => $entity->id(),
  ];
  switch ($params['event']) {
    case 'insert' : $variables['@verb'] = t('New'); break;
    case 'update' : $variables['@verb'] = t('Updated'); break;
    case 'delete' : $variables['@verb'] = t('Deleted'); break;
    default: $variables['@verb'] = t('Unknown action'); break;
  }
  $options = array('langcode' => $message['langcode']);

  switch($key) {
    case 'new_post':
      $message['subject'] = t('@verb @entity-type-name on @site-name', $variables, $options);
      $message['body'][] = t("@verb @entity-type-name title: @entity-title", $variables, $options);
      if ($event == 'delete') {
        $message['body'][] = t("The deleted URL was: @entity-url", $variables, $options);
        $message['body'][] = t("The deleted Entity ID: @id", $variables, $options);
      }
      else {
        $message['body'][] = t("View it here: @entity-url", $variables, $options);
      }
      break;
  }
}

function _notify_entity_make_key($entity_type, $bundle_type) {
  return "{$entity_type}.{$bundle_type}";
}