protected function getResultAdded(array $data)
    {
        $options = array(
            'user_id' => $data['user_id'],
            'store_id' => $data['store_id']
        );

        $vars = array('@url' => $this->url->get('checkout'));
        $message = $this->translation->text('Product has been added to your cart. <a href="@url">Checkout</a>', $vars);

        return array(
            'redirect' => '',
            'message' => $message,
            'severity' => 'success',
            'cart_id' => $data['cart_id'],
            'quantity' => $this->cart->getQuantity($options, 'total')
        );
    }