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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright (c) 2013-2014 eBay Enterprise, Inc.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * NOTICE OF LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This source file is subject to the Open Software License (OSL 3.0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * that is bundled with this package in the file LICENSE.md.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * It is also available through the world-wide-web at this URL:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * http://opensource.org/licenses/osl-3.0.php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright   Copyright (c) 2013-2014 eBay Enterprise, Inc. (http://www.ebayenterprise.com/)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class EbayEnterprise_GiftCard_Helper_Data extends Mage_Core_Helper_Abstract implements EbayEnterprise_Eb2cCore_Helper_Interface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const ZERO_BALANCE_CARD_MESSAGE = 'EbayEnterprise_GiftCard_Zero_Balance_Card';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const GIFT_CARD_ADD_SUCCESS = 'EbayEnterprise_GiftCard_Cart_Add_Success';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    const GIFT_CARD_REMOVE_SUCCESS = 'EbayEnterprise_GiftCard_Cart_Remove_Success';  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * Type checks for self::__construct $initParams  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param  EbayEnterprise_GiftCard_Model_IContainer $checkoutSession  | 
            
                            
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                     * @param  EbayEnterprise_MageLog_Helper_Data $logger  | 
            
                            
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                     * @return mixed[]  | 
            
                            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function _checkTypes(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        EbayEnterprise_GiftCard_Model_IContainer $container  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return array($container);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Return the value at field in array if it exists. Otherwise, use the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * default value.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param  array      $arr  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param  string|int $field Valid array key  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param  mixed      $default  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return mixed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function _nullCoalesce(array $arr, $field, $default)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return isset($arr[$field]) ? $arr[$field] : $default;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @see EbayEnterprise_Eb2cCore_Helper_Interface::getConfigModel  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param mixed $store  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return EbayEnterprise_Eb2cCore_Model_Config_Registry  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getConfigModel($store = null)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return Mage::getModel('eb2ccore/config_registry') | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->setStore($store)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            ->addConfigModel(Mage::getSingleton('ebayenterprise_giftcard/config')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add a gift card to the container. Will make the gift card balance check  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * and make sure card can be applied to the order.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param EbayEnterprise_GiftCard_Model_IGiftcard $card  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return self  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws EbayEnterprise_GiftCard_Exception If gift card could not be added to the order.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function addGiftCardToOrder(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        EbayEnterprise_GiftCard_Model_IGiftcard $card,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        EbayEnterprise_GiftCard_Model_IContainer $giftCardContainer  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $card->checkBalance();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // Treat 0 balance gift cards as invalid.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($card->getBalanceAmount() <= 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw Mage::exception('EbayEnterprise_GiftCard', $this->__(self::ZERO_BALANCE_CARD_MESSAGE, $card->getCardNumber())); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $giftCardContainer->updateGiftCard($card);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function.
Consider the following example. The parameter
$italyis not defined by the methodfinale(...).The most likely cause is that the parameter was removed, but the annotation was not.