Model/Excellence.php

<?php
class Excellence_Ship_Model_Carrier_Excellence extends Mage_Shipping_Model_Carrier_Abstract
implements Mage_Shipping_Model_Carrier_Interface {
    protected $_code = 'excellence';

    public function collectRates(Mage_Shipping_Model_Rate_Request $request)
    {
        if (!Mage::getStoreConfig('carriers/'.$this->_code.'/active')) {
            return false;
        }

        include_once $_SERVER['DOCUMENT_ROOT'] . "/UPS_API/api.php";
        $to_address = array(
            "name" => ".",
            "address" => ".",
            "city" => ".",
            "state" => ".",
            "zip" => $request->getDestPostcode()
        );
        $from_address = array(
            "name" => ".",
            "address" => ".",
            "city" => ".",
            "state" => ".",
            "zip" => $request->getPostcode()
        );
        $ups_freight_obj = new UPS_Freight("not", "real", "info");
        $ups_freight_obj->set_to($to_address);
        $ups_freight_obj->set_from($from_address);

        // $rate = 0;
        // $success = 0;

        // foreach ($request->getAllItems() as $item) {
        //  $weight_in_lbs = (double)$item->getWeight();
        //  $from_address['zip'] = $item->getWarehouse()->getOrigin()->getData('postcode');
        //  $tmp = $ups_freight_obj->get_rate($weight_in_lbs,$residential, $liftgate);
        //  if($tmp) {
        //      $rate += $tmp;
        //      $success++;
        //  }
        // }

        // if($success == count($request->getAllItems())) {
        //  $show = true;
        // } else {
        //      $show = false;
        // }



        $handling = Mage::getStoreConfig('carriers/'.$this->_code.'/handling');
        $result = Mage::getModel('shipping/rate_result');
        foreach($this->getAllowedMethods() as $m) {

                $rate = 0;

                foreach ($request->getAllItems() as $item) {
                    $weight_in_lbs = (double)$item->getWeight();
                    $from_address['zip'] = $item->getWarehouse()->getOrigin()->getData('postcode');

                    if($m == "Freight") {
                        $tmp = $ups_freight_obj->get_rate($weight_in_lbs,false, false);
                    } else if ($m == "Freight (Lift Gate)") {
                        $tmp = $ups_freight_obj->get_rate($weight_in_lbs,false, true);
                    } else if ($m == "Freight (Residential)") {
                        $tmp = $ups_freight_obj->get_rate($weight_in_lbs,true, false);
                    } else if ($m == "Freight (Lift Gate & Residential)") {
                        $tmp = $ups_freight_obj->get_rate($weight_in_lbs,true, true);
                    } else {
                        $tmp = 999999999;
                    }
                    // $tmp = $ups_freight_obj->get_rate($weight_in_lbs,$residential, $liftgate);
                    if($tmp) {
                        $rate += $tmp;
                    }
                }

                $rate = $rate * 0.52;

                $method = Mage::getModel('shipping/rate_result_method');
                $method->setCarrier($this->_code);
                $method->setMethod($this->_code);
                $method->setCarrierTitle($this->getConfigData('title'));
                $method->setMethodTitle($m);
                $method->setPrice($rate);
                $method->setCost($rate);
                if ($rate > 0) {
                    $result->append($method);
                } else {
                    $error = Mage::getModel('shipping/rate_result_error');
                    $error->setCarrier($this->_code);
                    $error->setCarrierTitle($this->getConfigData('name'));
                    $error->setErrorMessage($this->getConfigData('specificerrmsg'));
                    $result->append($error);
                }
            }
        return $result;
    }
    public function getAllowedMethods()
    {
        return array(
            "freight-lift-gate-residential" => "Freight (Lift Gate & Residential)",
            "freight-residential" => "Freight (Residential)",
            "freight-lift-gate" => "Freight (Lift Gate)",
            "freight" => "Freight"
        );
    }
    public function toOptionArray() {

         $tmp = array(
            array('value' => 'ups-freight', 'label'=>Mage::helper('adminhtml')->__('UPS Freight')),
            array('value' => 'ups-freight-lift-gate', 'label'=>Mage::helper('adminhtml')->__('UPS Freight (Lift Gate)')),
            array('value' => 'ups-freight-residential', 'label'=>Mage::helper('adminhtml')->__('UPS Freight (Residential)')),
            array('value' => 'ups-freight-lift-gate-residential', 'label'=>Mage::helper('adminhtml')->__('UPS Freight (Lift Gate and Residential)'))
        );

         return $tmp;
    }
}