public function SimplenewsSourceEntity::getHeaders in Simplenews 7.2

Implements SimplenewsSourceInterface::getHeaders().

Overrides SimplenewsSourceInterface::getHeaders

File

includes/simplenews.source.inc, line 441

Contains SimplenewsSource interface and implementations.

Class

SimplenewsSourceEntity

Default source class for entities.

Code

public function getHeaders(array $headers) {

  // If receipt is requested, add headers.
  if ($this->newsletter->receipt) {
    $headers['Disposition-Notification-To'] = $this
      ->getFromAddress();
    $headers['X-Confirm-Reading-To'] = $this
      ->getFromAddress();
  }

  // Add priority if set.
  switch ($this->newsletter->priority) {
    case SIMPLENEWS_PRIORITY_HIGHEST:
      $headers['Priority'] = 'High';
      $headers['X-Priority'] = '1';
      $headers['X-MSMail-Priority'] = 'Highest';
      break;
    case SIMPLENEWS_PRIORITY_HIGH:
      $headers['Priority'] = 'urgent';
      $headers['X-Priority'] = '2';
      $headers['X-MSMail-Priority'] = 'High';
      break;
    case SIMPLENEWS_PRIORITY_NORMAL:
      $headers['Priority'] = 'normal';
      $headers['X-Priority'] = '3';
      $headers['X-MSMail-Priority'] = 'Normal';
      break;
    case SIMPLENEWS_PRIORITY_LOW:
      $headers['Priority'] = 'non-urgent';
      $headers['X-Priority'] = '4';
      $headers['X-MSMail-Priority'] = 'Low';
      break;
    case SIMPLENEWS_PRIORITY_LOWEST:
      $headers['Priority'] = 'non-urgent';
      $headers['X-Priority'] = '5';
      $headers['X-MSMail-Priority'] = 'Lowest';
      break;
  }

  // Add user specific header data.
  $headers['From'] = $this
    ->getFromFormatted();
  $headers['List-Unsubscribe'] = '<' . token_replace('[simplenews-subscriber:unsubscribe-url]', $this
    ->getTokenContext(), array(
    'sanitize' => FALSE,
  )) . '>';

  // Add general headers
  $headers['Precedence'] = 'bulk';
  return $headers;
}