envoyer le contenu par mail lors de la création d'une page

<?php
function action_send_email_to_a_mailinglist($op, $edit = array(), $node) {
  switch($op) {
    case 'metadata':
      return array(
        'description' => t('Send Email to a mailing-list'),
        'type' => t('Email'),
        'batchable' => false,
        'configurable' => false,
      );

    case 'do':
      
      $mail_from = "postmaster@mondomaine.com";
      $mail_subject = $node->title;
      $mail_message = strip_tags($node->body);
        
        //rechercher quel "term" est associé au node
        $nodeterm=db_result(db_query("SELECT name FROM term_data WHERE tid = ( SELECT tid FROM term_node WHERE nid = ".$node->nid." )"));

        //associer la mailing-list au "term" du node
        switch($nodeterm) {
    case 'dep1': $mail_to='list-dep1@mondomaine.com'; break;
          case 'dep2': $mail_to='list-dep2@mondomaine.com'; break;
          case 'dep3': $mail_to='list-dep3@mondomaine.com'; break;
          default    : $mail_to='nobody'; break;
        }

 //si necessaire, envoyer le mail
   if ($mail_to != 'nobody'){
            if (user_mail($mail_to, $mail_subject, $mail_message, $mail_from)) {
              watchdog('action', t('Sent email to '.$mail_to));
            }
            else {
              watchdog('error', t('Unable to send email to '.$mail_to));
        } 
        }    
      
      break;
  }
}
?>