Magento Fooman Google Analytics GDPR

optout.html

<div>
    <input type="checkbox" name="toggleGoogleAnalytics" id="toggleGoogleAnalytics">
    <label for="toggleGoogleAnalytics">Allow Google Analytics to track my visit.</label>
</div>

<script>
    var gaProperty = 'YOUR-ANALYTICS-PROPERTY';
    var gaDisableCookieName = 'ga-disable-' + gaProperty;
    var gaIsAllowed = document.cookie.indexOf(gaDisableCookieName + '=true') === -1
    var gaCheckbox = document.getElementById('toggleGoogleAnalytics');
    gaCheckbox.checked = gaIsAllowed;

    var gaOptout = function () {
        document.cookie = gaDisableCookieName + '=true; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
    }

    var gaOptin = function () {
        document.cookie = gaDisableCookieName + '=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/';
    }

    gaCheckbox.addEventListener('change', function () {
        if (this.checked === true) {
            gaOptin();
        } else {
            gaOptout();
        }
    });
</script>

universal.phtml

<?php /* @var $this Fooman_GoogleAnalyticsPlus_Block_Universal */?>
<?php if ($this->shouldInclude()): ?>
    <?php $altUniversal = $this->getAlternativeUniversalAccount(); ?>
    <script>
        var gaProperty = '<?= $this->getUniversalAccount() ?>';
        var gaDisableCookieName = 'ga-disable-' + gaProperty;

        if (document.cookie.indexOf(gaDisableCookieName + '=true') === -1 ) {
            (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
                (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
                m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
            })(window,document,'script','<?php echo $this->getAnalyticsLocation(); ?>','ga');

            ga('create', '<?php echo $this->getUniversalAccount(); ?>',<?php echo $this->getUniversalParams(); ?>);
            ga('require', 'GTM-KLLL4TF');
            <?php if ($altUniversal): ?>
                ga('create', '<?php echo $altUniversal; ?>',<?php echo $this->getUniversalParams(true); ?>);
            <?php endif; ?>

            <?php if($this->getUniversalAnonymise()): ?>
                ga('set', 'anonymizeIp', true);
                <?php if ($altUniversal): ?>
                    ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.set', 'anonymizeIp', true);
                <?php endif; ?>
            <?php endif; ?>
            <?php if($this->getUniversalDisplayAdvertising()): ?>
                ga('require', 'displayfeatures'<?php if($this->getUniversalDisplayAdvertisingCookieName()): ?>, undefined, { cookieName: '<?php echo $this->getUniversalDisplayAdvertisingCookieName(); ?>' }<?php endif; ?>);
                <?php if ($altUniversal): ?>
                    ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.require', 'displayfeatures'<?php if($this->getUniversalDisplayAdvertisingCookieName()): ?>, undefined, { cookieName: '<?php echo $this->getUniversalDisplayAdvertisingCookieName(); ?>' }<?php endif; ?>);
                <?php endif; ?>
            <?php endif; ?>
            ga('send', 'pageview', '<?php echo $this->getPageName(); ?>');
            <?php if ($altUniversal): ?>
                ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.send', 'pageview', '<?php echo $this->getPageName(); ?>');
            <?php endif; ?>
        }
    </script>

    <?php if($this->isSuccessPage()): ?>
        <?php $order = $this->_getOrder(); ?>
        <script>
            /* <![CDATA[ */
            if (document.cookie.indexOf(gaDisableCookieName + '=true') === -1 ) {
                ga('require', 'ecommerce', 'ecommerce.js');
                <?php if ($altUniversal): ?>
                    ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.require', 'ecommerce', 'ecommerce.js');
                <?php endif; ?>

                <?php 
                $shipping = Mage::helper('googleanalyticsplus')->convert($order, 'shipping_amount');
                $tax = Mage::helper('googleanalyticsplus')->convert($order, 'tax_amount');
                $revenue =  Mage::helper('googleanalyticsplus')->convert($order, 'grand_total');
                $revenue -= (($this->shouldExcludeShipping())? $shipping : 0);
                $revenue -= (($this->shouldExcludeTax())? $tax : 0);
                
                $transactionDetails = "{
                    'id': '". $this->jsQuoteEscape($order->getIncrementId()) ."',
                    'affiliation': '". $this->jsQuoteEscape(Mage::app()->getStore()->getName()) ."',
                    'revenue': '". $revenue ."',
                    'shipping': '". $shipping ."',
                    'tax': '". $tax ."',
                    'currency': '". Mage::helper('googleanalyticsplus')->getTrackingCurrency($order) ."'
                    }";
                ?>

                ga('ecommerce:addTransaction', <?php echo $transactionDetails?>);
                <?php if ($altUniversal): ?>
                    ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.ecommerce:addTransaction', <?php echo $transactionDetails?>);
                <?php endif; ?>

                <?php foreach ($order->getAllVisibleItems() as $item): ?>

                    <?php $itemDetails = "{
                        'id': '".$this->jsQuoteEscape($order->getIncrementId()) ."',
                        'name': '". $this->jsQuoteEscape($item->getName()) ."',
                        'sku': '". $this->jsQuoteEscape($item->getSku()) ."',
                        'price': '". Mage::helper('googleanalyticsplus')->convert($item, 'price', $order->getOrderCurrencyCode()) ."',
                        'quantity': '". (int)$item->getQtyOrdered() ."',
                        'category': '". $this->jsQuoteEscape($this->getCategory($item)) ."'
                        }";
                    ?>

                    ga('ecommerce:addItem', <?php echo $itemDetails?>);
                    <?php if ($altUniversal): ?>
                        ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.ecommerce:addItem', <?php echo $itemDetails?>);
                    <?php endif; ?>
                <?php endforeach; ?>

                ga('ecommerce:send');
                <?php if ($altUniversal): ?>
                    ga('<?php echo Fooman_GoogleAnalyticsPlus_Block_Universal::TRACKER_TWO_NAME?>.ecommerce:send');
                <?php endif; ?>
            }
            /* ]]> */
        </script>
    <?php endif; ?>
<?php endif; ?>