jpujari

public function indexAction() {    
    $coupon_code = $this->getRequest()->getParam('coupon_code');
    
    if ($coupon_code != '') {
        Mage::getSingleton("checkout/session")->setData("coupon_code",$coupon_code);
        Mage::getSingleton('checkout/cart')->getQuote()->setCouponCode($coupon_code)->save();
	Mage::getSingleton('core/session')->addSuccess($this->__('Coupon was automatically applied'));
    }
    else {
        Mage::getSingleton("checkout/session")->setData("coupon_code","");