/**
  * Delete Mails and all its associated records.
  *
  * @param int $id
  *   Id of the mail to delete.
  *
  * @return void
  */
 public static function del($id)
 {
     if (empty($id)) {
         CRM_Core_Error::fatal();
     }
     CRM_Utils_Hook::pre('delete', 'Mailing', $id, CRM_Core_DAO::$_nullArray);
     // delete all file attachments
     CRM_Core_BAO_File::deleteEntityFile('civicrm_mailing', $id);
     $dao = new CRM_Mailing_DAO_Mailing();
     $dao->id = $id;
     $dao->delete();
     CRM_Core_Session::setStatus(ts('Selected mailing has been deleted.'), ts('Deleted'), 'success');
     CRM_Utils_Hook::post('delete', 'Mailing', $id, $dao);
 }
 /**
  * Delete Mails and all its associated records
  *
  * @param  int  $id id of the mail to delete
  *
  * @return void
  * @access public
  * @static
  */
 public static function del($id)
 {
     if (empty($id)) {
         CRM_Core_Error::fatal();
     }
     // delete all file attachments
     CRM_Core_BAO_File::deleteEntityFile('civicrm_mailing', $id);
     $dao = new CRM_Mailing_DAO_Mailing();
     $dao->id = $id;
     $dao->delete();
     CRM_Core_Session::setStatus(ts('Selected mailing has been deleted.'));
 }