Eccube\Controller\CartController::index PHP Method

    public function index(Application $app, Request $request)
    {
        $Cart = $app['eccube.service.cart']->getCart();
        // FRONT_CART_INDEX_INITIALIZE
        $event = new EventArgs(array(), $request);
        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_INDEX_INITIALIZE, $event);
        /* @var $BaseInfo \Eccube\Entity\BaseInfo */
        /* @var $Cart \Eccube\Entity\Cart */
        $BaseInfo = $app['eccube.repository.base_info']->get();
        $isDeliveryFree = false;
        $least = 0;
        $quantity = 0;
        if ($BaseInfo->getDeliveryFreeAmount()) {
            if ($BaseInfo->getDeliveryFreeAmount() <= $Cart->getTotalPrice()) {
                // 送料無料（金額）を超えている
                $isDeliveryFree = true;
            } else {
                $least = $BaseInfo->getDeliveryFreeAmount() - $Cart->getTotalPrice();
            }
        }
        if ($BaseInfo->getDeliveryFreeQuantity()) {
            if ($BaseInfo->getDeliveryFreeQuantity() <= $Cart->getTotalQuantity()) {
                // 送料無料（個数）を超えている
                $isDeliveryFree = true;
            } else {
                $quantity = $BaseInfo->getDeliveryFreeQuantity() - $Cart->getTotalQuantity();
            }
        }
        // FRONT_CART_INDEX_COMPLETE
        $event = new EventArgs(array(), $request);
        $app['eccube.event.dispatcher']->dispatch(EccubeEvents::FRONT_CART_INDEX_COMPLETE, $event);
        if ($event->hasResponse()) {
            return $event->getResponse();
        }
        return $app->render('Cart/index.twig', array('Cart' => $Cart, 'least' => $least, 'quantity' => $quantity, 'is_delivery_free' => $isDeliveryFree));
    }