public function massUnsubscribeAction()
 {
     Mage::log("Fontis_CampaignMonitor: massUnsubscribeAction");
     $subscribersIds = $this->getRequest()->getParam('subscriber');
     if (!is_array($subscribersIds)) {
         Mage::getSingleton('adminhtml/session')->addError(Mage::helper('newsletter')->__('Please select subscriber(s)'));
         $this->_redirect('*/*/index');
     } else {
         try {
             $apiKey = trim(Mage::getStoreConfig('newsletter/campaignmonitor/api_key'));
             $listID = trim(Mage::getStoreConfig('newsletter/campaignmonitor/list_id'));
             try {
                 $client = new SoapClient("http://api.createsend.com/api/api.asmx?wsdl", array("trace" => true));
             } catch (Exception $e) {
                 Mage::log("Fontis_CampaignMonitor: Error connecting to CampaignMonitor server: " . $e->getMessage());
                 Mage::getSingleton('admin/session')->addException($e, $this->__('There was a problem with the subscription'));
                 $this->_redirectReferer();
             }
             foreach ($subscribersIds as $subscriberId) {
                 $subscriber = Mage::getModel('newsletter/subscriber')->load($subscriberId);
                 $email = $subscriber->getEmail();
                 Mage::log("Fontis_CampaignMonitor: Unsubscribing: {$email}");
                 try {
                     $result = $client->Unsubscribe(array("ApiKey" => $apiKey, "ListID" => $listID, "Email" => $email));
                 } catch (Exception $e) {
                     Mage::log("Fontis_CampaignMonitor: Error in CampaignMonitor SOAP call: " . $e->getMessage());
                 }
             }
         } catch (Exception $e) {
             Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
         }
     }
     parent::massUnsubscribeAction();
 }
 public function massUnsubscribeAction()
 {
     Mage::helper('campaignmonitor')->log("massUnsubscribeAction");
     $session = Mage::getSingleton('core/session');
     $subscribersIds = $this->getRequest()->getParam('subscriber');
     if (!is_array($subscribersIds)) {
         Mage::getSingleton('adminhtml/session')->addError(Mage::helper('newsletter')->__('Please select subscriber(s)'));
         $this->_redirect('*/*/index');
     } else {
         try {
             if (Mage::helper('campaignmonitor')->isOAuth()) {
                 $accessToken = Mage::getModel('campaignmonitor/auth')->getAccessToken();
                 $refreshToken = Mage::getModel('campaignmonitor/auth')->getRefreshToken();
                 $auth = array('access_token' => $accessToken, 'refresh_token' => $refreshToken);
             } else {
                 $auth = Mage::helper('campaignmonitor')->getApiKey();
             }
             $listID = Mage::helper('campaignmonitor')->getListId();
             try {
                 $client = new CS_REST_Subscribers($listID, $auth);
             } catch (Exception $e) {
                 Mage::helper('campaignmonitor')->log("Error connecting to CampaignMonitor server: " . $e->getMessage());
                 $session->addException($e, $this->__('There was a problem with the subscription'));
                 $this->_redirectReferer();
             }
             foreach ($subscribersIds as $subscriberId) {
                 $subscriber = Mage::getModel('newsletter/subscriber')->load($subscriberId);
                 $email = $subscriber->getEmail();
                 Mage::helper('campaignmonitor')->log($this->__("Unsubscribing: %s", $email));
                 try {
                     $result = $client->unsubscribe($email);
                     if (!$result->was_successful()) {
                         // If you receive '121: Expired OAuth Token', refresh the access token
                         if ($result->response->Code == 121) {
                             // Refresh the token
                             Mage::helper('campaignmonitor')->refreshToken();
                         }
                         // Make the call again
                         $client->unsubscribe($email);
                     }
                 } catch (Exception $e) {
                     Mage::helper('campaignmonitor')->log("Error in CampaignMonitor SOAP call: " . $e->getMessage());
                 }
             }
         } catch (Exception $e) {
             Mage::getSingleton('adminhtml/session')->addError($e->getMessage());
         }
     }
     parent::massUnsubscribeAction();
 }