Phoenix_CashOnDelivery_Model_Quote_Total patch

Total.php

<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * @category   Phoenix
 * @package    Phoenix_CashOnDelivery
 * @copyright  Copyright (c) 2010 Phoenix Medien GmbH & Co. KG (http://www.phoenix-medien.de)
 * @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

class Phoenix_CashOnDelivery_Model_Quote_Total extends Mage_Sales_Model_Quote_Address_Total_Abstract {

    public function collect(Mage_Sales_Model_Quote_Address $address)
    {

        parent::collect($address);

        $address->setBaseCodFee(0);
        $address->setCodFee(0);
        $address->setCodTaxAmount(0);
        $address->setBaseCodTaxAmount(0);

        $paymentMethod = Mage::app()->getFrontController()->getRequest()->getParam('payment');
        $paymentMethod = Mage::app()->getStore()->isAdmin() && isset($paymentMethod['method']) ? $paymentMethod['method'] : null;

        if (
            is_object( $address->getQuote()->getPayment()) &&
            $address->getQuote()->getPayment()->hasData('method_instance') &&
            $address->getQuote()->getPayment()->getMethodInstance()->getCode() != 'cashondelivery'){
            return $this;
        }

        $paymentMethod = $address->getQuote()->getPayment()->getMethodInstance();


        $items = $address->getAllItems();
        if (!count($items)) {
            return $this;
        }

        $baseTotal = $address->getBaseGrandTotal();

        $baseCodFee = $paymentMethod->getAddressCodFee($address);

        if (!$baseCodFee > 0 ) {
            return $this;
        }

        // adress is the reference for grand total
        $quote = $address->getQuote();

        $store = $quote->getStore();

        $baseTotal += $baseCodFee;

        $address->setBaseCodFee($baseCodFee);
        $address->setCodFee($store->convertPrice($baseCodFee,false));

        // update totals
        $this->_setAmount($store->convertPrice($baseCodFee,false));
        $this->_setBaseAmount($baseCodFee);

        //Updating cod tax if it is already included into a COD fee
        $baseCodTaxAmount = $paymentMethod->getAddressCodTaxAmount($address);
        $address->setBaseCodTaxAmount($baseCodTaxAmount);
        $address->setCodTaxAmount($store->convertPrice($baseCodTaxAmount, false));

        return $this;
    }

    public function fetch(Mage_Sales_Model_Quote_Address $address) {
        $amount = $address->getCodFee();
        if ($amount!=0) {
            $quote = $address->getQuote();
            $address->addTotal(array(
                'code' => $this->getCode(),
                'title' => Mage::helper('cashondelivery')->__('Cash on Delivery fee'),
                'value' => $amount,
            ));
        }
        return $this;
    }
}