public function batchSend(&$context, Am_BatchProcessor $batch)
 {
     if ($this->saved->count_users <= $this->saved->sent_users) {
         return true;
     }
     // we are done;
     $q = $this->searchUi->query($this->saved->sent_users, 10);
     $t = new Am_View();
     $i = 0;
     $db = $this->getDi()->db;
     while ($r = $db->fetchRow($q)) {
         $r['name'] = $r['name_f'] . ' ' . $r['name_l'];
         if (!empty($r['user_id'])) {
             $isUser = true;
         } else {
             $isUser = false;
         }
         $this->saved->updateQuick(array('last_email' => $r['email'], 'sent_users' => $this->saved->sent_users + 1));
         if ($r['email'] == '') {
             continue;
         }
         $subject = $this->getParam('subject');
         $body = $this->getParam('body');
         // assign variables
         $tpl = new Am_SimpleTemplate();
         $tpl->assignStdVars();
         $tpl->user = $r;
         $subject = $tpl->render($subject);
         $body = $tpl->render($body);
         //
         $m = new Am_Mail();
         $m->addUnsubscribeLink($isUser ? Am_Mail::LINK_USER : Am_Mail::LINK_GUEST);
         $m->addTo($r['email'], $r['name'])->setSubject($subject);
         //->setFrom($this->getDi()->config->get('admin_email'), $this->getDi()->config->get('site_title') . ' Admin');
         if ($this->getParam('format') == 'text') {
             $m->setBodyText($body);
         } else {
             $m->setBodyHtml($body);
         }
         $m->setPeriodic(Am_Mail::ADMIN_REQUESTED);
         $m->addHeader('X-Amember-Queue-Id', $this->_request->getFiltered('queue_id'));
         foreach ($this->getAttachments() as $at) {
             $m->addAttachment($at);
         }
         try {
             $m->send();
         } catch (Zend_Mail_Exception $e) {
             trigger_error("Error happened while sending e-mail to {$r['email']} : " . $e->getMessage(), E_USER_WARNING);
         }
     }
     $this->getDi()->db->freeResult($q);
     if ($this->saved->count_users <= $this->saved->sent_users) {
         return true;
     }
     // we are done;
 }