<?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.


 *


 * DISCLAIMER


 *


 * Do not edit or add to this file if you wish to upgrade Magento to newer


 * versions in the future. If you wish to customize Magento for your


 * needs please refer to http://www.magentocommerce.com for more information.


 *


 * @category    Mage


 * @package     Mage_Shipping


 * @copyright   Copyright (c) 2011 Magento Inc. (http://www.magentocommerce.com)


 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)


 */








class Mage_Shipping_Model_Rate_Result


{


    protected $_rates = array();


    protected $_error = null;





    /**


     * Reset result


     */


    public function reset()


    {


        $this->_rates = array();


        return $this;


    }





    public function setError($error)


    {


        $this->_error = $error;


    }





    public function getError()


    {


        return $this->_error;


    }





    /**


     * Add a rate to the result


     *


     * @param Mage_Shipping_Model_Rate_Result_Abstract|Mage_Shipping_Model_Rate_Result $result


     */


    public function append($result)


    {


        if ($result instanceof Mage_Shipping_Model_Rate_Result_Error) {


            $this->setError(true);


        }


        if ($result instanceof Mage_Shipping_Model_Rate_Result_Abstract) {


            $this->_rates[] = $result;


        }


        elseif ($result instanceof Mage_Shipping_Model_Rate_Result) {


            $rates = $result->getAllRates();


            foreach ($rates as $rate) {


                $this->append($rate);


            }


        }


        return $this;


    }





    /**


     * Return all quotes in the result


     */


    public function getAllRates()


    {


        return $this->_rates;


    }





    /**


     * Return rate by id in array


     */


    public function getRateById($id)


    {


        return isset($this->_rates[$id]) ? $this->_rates[$id] : null;


    }





    /**


     * Return quotes for specified type


     *


     * @param string $type


     */


    public function getRatesByCarrier($carrier)


    {


        $result = array();


        foreach ($this->_rates as $rate) {


            if ($rate->getCarrier()===$carrier) {


                $result[] = $rate;


            }


        }


        return $result;


    }





    public function asArray()


    {


        $currencyFilter = Mage::app()->getStore()->getPriceFilter();


        $rates = array();


        $allRates = $this->getAllRates();


        foreach ($allRates as $rate) {


            $rates[$rate->getCarrier()]['title'] = $rate->getCarrierTitle();


            $rates[$rate->getCarrier()]['methods'][$rate->getMethod()] = array(


                'title'=>$rate->getMethodTitle(),


                'price'=>$rate->getPrice(),


                'price_formatted'=>$currencyFilter->filter($rate->getPrice()),


            );


        }


        return $rates;


    }





    public function getCheapestRate()


    {


        $cheapest = null;


        $minPrice = 100000;


        foreach ($this->getAllRates() as $rate) {


            if (is_numeric($rate->getPrice()) && $rate->getPrice()<$minPrice) {


                $cheapest = $rate;


                $minPrice = $rate->getPrice();


            }


        }


        return $cheapest;


    }





    /**


     *  Sort rates by price from min to max


     *


     *  @return	  Mage_Shipping_Model_Rate_Result


     */


    public function sortRatesByPrice ()


    {


        if (!is_array($this->_rates) || !count($this->_rates)) {


            return $this;


        }


        /* @var $rate Mage_Shipping_Model_Rate_Result_Method */


        foreach ($this->_rates as $i => $rate) {


            $tmp[$i] = $rate->getPrice();


        }





        natsort($tmp);





        foreach ($tmp as $i => $price) {


            $result[] = $this->_rates[$i];


        }





        $this->reset();


        $this->_rates = $result;


        return $this;


    }


}