email_contact.module in Email Contact 8

Email Contact module file.

File

email_contact.module

<?php

/**
 * @file
 * Email Contact module file.
 */
use Drupal\Component\Utility\Html;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

/**
 * Return emails from entity and given field name.
 *
 * @param string $entity_type
 *   The type of requested entity.
 * @param string $id
 *   The id of the requested entity.
 * @param object $field_name
 *   The name of the email field.
 *
 * @return array
 *   An array with valid email addresses.
 */
function email_contact_get_emails_from_field($entity_type, $id, $field_name) {
  if (!is_numeric($id)) {
    throw new NotFoundHttpException();
  }

  /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
  $entity = \Drupal::entityTypeManager()
    ->getStorage($entity_type)
    ->load($id);

  // Check that the entity exists.
  if ($entity === NULL) {
    throw new NotFoundHttpException();
  }

  // Check that the field exists and has the right type.
  if (!$entity
    ->hasField($field_name)) {
    throw new NotFoundHttpException();
  }
  $field = $entity
    ->get($field_name);
  if ($field === NULL || $field
    ->getFieldDefinition()
    ->getType() != 'email') {
    throw new NotFoundHttpException();
  }

  // Load email addresses
  foreach ($field
    ->getIterator() as $item) {
    $value = $item
      ->getValue()['value'];
    if (!empty($value) && strpos($value, '@') !== FALSE) {
      $emails[] = $value;
    }
  }

  // Verify that the email address is not empty.
  if (empty($emails)) {
    throw new NotFoundHttpException();
  }
  return $emails;
}

/**
 * Implements hook_mail().
 */
function email_contact_mail($key, &$message, $params) {
  switch ($key) {
    case 'contact':

      // Compose the body.
      $token = Drupal::token();
      $message['body'][] = $token
        ->replace($params['default_message']);
      $message['body'][] = $params['message'];
      $message['subject'] = "";

      // Include the title of the entity, if one exists.
      $message['subject'] .= " " . Html::escape($params['subject']);
      break;
  }
}

Functions

Name	Description
email_contact_get_emails_from_field	Return emails from entity and given field name.
email_contact_mail	Implements hook_mail().