public function addAction()
 {
     $form = new ProductForm();
     $request = $this->getRequest();
     if ($request->isPost()) {
         $product = new Product();
         $form->setInputFilter($product->getInputFilter());
         $form->setData($request->post());
         if ($form->isValid()) {
             $formData = $form->getData();
             $product->populate(${$formData});
             $this->getProductTable()->saveProduct($product);
             return $this->redirect()->toRoute('catalog-product', array('action' => 'view'));
         }
     }
     return array('form' => $form);
 }