public function download()
 {
     App::uses('CakePdf', 'Plugin/CakePdf/Pdf');
     $CakePdf = new CakePdf();
     $CakePdf->template('teste', 'default');
     $CakePdf->viewVars(array('nome' => 'Thiago'));
     $CakePdf->output();
     $path = WWW_ROOT . DS . 'files' . DS;
     $path .= uniqid() . '.pdf';
     if ($CakePdf->write($path)) {
         $this->response->file($path, array('download' => true, 'name' => 'teste_' . uniqid()));
         return $this->response;
     }
 }