1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_GoogleAnalytics
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: 
 28: /**
 29:  * Google Analytics module observer
 30:  *
 31:  * @category   Mage
 32:  * @package    Mage_GoogleAnalytics
 33:  */
 34: class Mage_GoogleAnalytics_Model_Observer
 35: {
 36:     /**
 37:      * Whether the google checkout inclusion link was rendered by this observer instance
 38:      * @var bool
 39:      */
 40:     protected $_isGoogleCheckoutLinkAdded = false;
 41: 
 42:     /**
 43:      * Create Google Analytics block for success page view
 44:      *
 45:      * @deprecated after 1.3.2.3 Use setGoogleAnalyticsOnOrderSuccessPageView() method instead
 46:      * @param Varien_Event_Observer $observer
 47:      */
 48:     public function order_success_page_view($observer)
 49:     {
 50:         $this->setGoogleAnalyticsOnOrderSuccessPageView($observer);
 51:     }
 52: 
 53:     /**
 54:      * Add order information into GA block to render on checkout success pages
 55:      *
 56:      * @param Varien_Event_Observer $observer
 57:      */
 58:     public function setGoogleAnalyticsOnOrderSuccessPageView(Varien_Event_Observer $observer)
 59:     {
 60:         $orderIds = $observer->getEvent()->getOrderIds();
 61:         if (empty($orderIds) || !is_array($orderIds)) {
 62:             return;
 63:         }
 64:         $block = Mage::app()->getFrontController()->getAction()->getLayout()->getBlock('google_analytics');
 65:         if ($block) {
 66:             $block->setOrderIds($orderIds);
 67:         }
 68:     }
 69: 
 70:     /**
 71:      * Add google analytics tracking to google checkout shortcuts
 72:      *
 73:      * If there is at least one GC button on the page, there should be the script for GA/GC integration included
 74:      * a each shortcut should track submits to GA
 75:      * There should be no tracking if there is no GA available
 76:      * This method assumes that the observer instance is run as a "singleton" (through Mage::getSingleton())
 77:      *
 78:      * @param Varien_Event_Observer $observer
 79:      */
 80:     public function injectAnalyticsInGoogleCheckoutLink(Varien_Event_Observer $observer)
 81:     {
 82:         $block = $observer->getEvent()->getBlock();
 83:         if (!$block || !Mage::helper('googleanalytics')->isGoogleAnalyticsAvailable()) {
 84:             return;
 85:         }
 86: 
 87:         // make sure to track google checkout "onsubmit"
 88:         $onsubmitJs = $block->getOnsubmitJs();
 89:         $block->setOnsubmitJs($onsubmitJs . ($onsubmitJs ? '; ' : '') . '_gaq.push(function() {var pageTracker = _gaq._getAsyncTracker(); setUrchinInputCode(pageTracker);});');
 90: 
 91:         // add a link that includes google checkout/analytics script, to the first instance of the link block
 92:         if ($this->_isGoogleCheckoutLinkAdded) {
 93:             return;
 94:         }
 95:         $beforeHtml = $block->getBeforeHtml();
 96:         $protocol = Mage::app()->getStore()->isCurrentlySecure() ? 'https' : 'http';
 97:         $block->setBeforeHtml($beforeHtml . '<script src="' . $protocol
 98:             . '://checkout.google.com/files/digital/ga_post.js" type="text/javascript"></script>'
 99:         );
100:         $this->_isGoogleCheckoutLinkAdded = true;
101:     }
102: }
103: