<?php
require_once Mage::getModuleDir('controllers', 'Mage_Checkout') . DS . 'CartController.php';
class Orange35_Rewrite_CartController extends Mage_Checkout_CartController
{
    public function indexAction()
    {
        $cart = $this->_getCart();
        if ($cart->getQuote()->getItemsCount()) {
            $cart->init();
            $cart->save();

            if (!$this->_getQuote()->validateMinimumAmount()) {
                $baseCurrencyCode = Mage::app()->getStore()->getBaseCurrencyCode();
                $currentCurrencyCode = Mage::app()->getStore()->getCurrentCurrencyCode();
                $minAmount = Mage::helper('directory')->currencyConvert(Mage::getStoreConfig('sales/minimum_order/amount'), $baseCurrencyCode, $currentCurrencyCode);
                $minimumAmount = Mage::app()->getLocale()->currency($currentCurrencyCode)
                    ->toCurrency($minAmount);

                $warning = Mage::getStoreConfig('sales/minimum_order/description')
                    ? Mage::getStoreConfig('sales/minimum_order/description')
                    : Mage::helper('checkout')->__('Minimum order amount is %s', $minimumAmount);

                $cart->getCheckoutSession()->addNotice($warning);
            }
        }

        // Compose array of messages to add
        $messages = array();
        foreach ($cart->getQuote()->getMessages() as $message) {
            if ($message) {
                // Escape HTML entities in quote message to prevent XSS
                $message->setCode(Mage::helper('core')->escapeHtml($message->getCode()));
                $messages[] = $message;
            }
        }
        $cart->getCheckoutSession()->addUniqueMessages($messages);

        /**
         * if customer enteres shopping cart we should mark quote
         * as modified bc he can has checkout page in another window.
         */
        $this->_getSession()->setCartWasUpdated(true);

        Varien_Profiler::start(__METHOD__ . 'cart_display');
        $this
            ->loadLayout()
            ->_initLayoutMessages('checkout/session')
            ->_initLayoutMessages('catalog/session')
            ->getLayout()->getBlock('head')->setTitle($this->__('Shopping Cart'));
        $this->renderLayout();
        Varien_Profiler::stop(__METHOD__ . 'cart_display');
    }
}