public function stickerAction()
 {
     $response = $this->checkAuth(AdminResources::MODULE, TNTFrance::getModuleCode(), AccessManager::UPDATE);
     if (null !== $response) {
         return $response;
     }
     $tntOrderParcelResponseIdList = $this->getRequest()->request->get("tnt-order-parcel-response");
     if ($tntOrderParcelResponseIdList) {
         $tntOrderParcelResponses = TntOrderParcelResponseQuery::create()->findPks($tntOrderParcelResponseIdList);
         $event = new TNTFrancePrintExpeditionEvent($tntOrderParcelResponses);
         $this->dispatch(TNTFranceEvents::TNT_FRANCE_PRINT_EXPEDITION, $event);
         $zipName = "stickers.zip";
         if (file_exists($zipName)) {
             unlink($zipName);
         }
         $zip = new ZipArchive();
         if ($zip->open($zipName, ZipArchive::CREATE) === true) {
             $zip->addEmptyDir('stickers');
             foreach ($event->getTntOrderParceResponses() as $tntOrderParcelResponse) {
                 $fileName = $tntOrderParcelResponse->getOrderProductId() . '.pdf';
                 $filePath = TNTFrance::getUploadDirectory() . $fileName;
                 if (file_exists($filePath)) {
                     $handle = fopen($filePath, 'r');
                     $contents = fread($handle, filesize($filePath));
                     fclose($handle);
                     $zip->addFromString('stickers/' . $fileName, $contents);
                 }
             }
             $zip->close();
             //If no pdf found, zip won't exists
             if (file_exists($zipName)) {
                 if ($downloadZip = fopen($zipName, "r")) {
                     $zipSize = filesize($zipName);
                     header("Content-type: application/zip");
                     header("Content-Disposition: attachment; filename=\"" . $zipName . "\"");
                     header("Content-length: {$zipSize}");
                     header('Content-Transfer-Encoding: binary');
                     echo fpassthru($downloadZip);
                     // deliver the zip file
                 }
                 fclose($downloadZip);
             }
         }
     }
     return $this->redirectToDefaultPage();
 }