private function _createItem(array $response)
    {
        $model = new Item();
        $model->setName($response[Item::FIELD_NAME])
            ->setDescription($response[Item::FIELD_DESCRIPTION])
            ->setItemNumber($response[Item::FIELD_ITEM_NUMBER])
            ->setUrl($response[Item::FIELD_URL])
            ->setAmount($response[Item::FIELD_AMOUNT])
            ->setQuantity($response[Item::FIELD_QUANTITY]);
        
        return $model;
    }