To install Google Tag Manager and track purchases correctly if you use upsells you need to add the below tracking code to the Post-purchase page.
Post-purchase page tracking code
Make sure to replace GTM-XXXXX with your Google Tag Manager contianer id.
<script name="sliderule-tracking" data-ot-ignore>
var upsellCount = 0;
// UTILS -----------------------------------------------------------------
// Function called after original order is placed, pre upsell.
function onCheckout(initialOrder, shopifyObject) {
var postPurchaseEvent = shopifyObject.wasPostPurchasePageSeen
? 'refresh_post_purchase'
: 'purchase';
pushSlideruleData(
initialOrder,
initialOrder.lineItems,
false,
null,
shopifyObject,
postPurchaseEvent,
);
}
// Function called when upsell is taken. Seperate the new/upsell
// items from the items in the initial order and then send a purchase event
// for just the new items.
function onCheckoutAmended(upsellOrder, initialOrder, shopifyObject) {
// identify which items were added to the initial order, if any.
upsellCount++;
// The line item id is unique for order items, even if the items contained are the same.
// We can use this to seperate out items from the initial order from the upsell.
var initialItemIds = initialOrder.lineItems.map(function (line) {
return line.id;
});
var addedItems = upsellOrder.lineItems.filter(function (line) {
return initialItemIds.indexOf(line.id) < 0;
});
// if no new items were added skip tracking
var postPurchaseEvent =
addedItems.length === 0 ? 'refresh_post_purchase' : 'purchase';
pushSlideruleData(
upsellOrder,
addedItems,
true,
initialOrder,
shopifyObject,
postPurchaseEvent,
);
}
function pushSlideruleData(
order,
addedItems,
isUpsell,
initialOrder,
shopifyObject,
postPurchaseEvent,
) {
window.slideruleData.postPurchaseEvent = postPurchaseEvent;
var userProperties = getUserProperties(order);
var orderData = getOrderData(
order,
isUpsell,
initialOrder,
addedItems,
shopifyObject,
);
if (isUpsell) {
// TODO: remove this hack for upsell tracking
window.dataLayer.push({
event: 'purchase',
ecommerce: {
is_upsell: isUpsell,
ecommerce_event: true,
fired_from: 'SlideRule Analytics',
upsell_count: upsellCount,
transaction_id: orderData.id,
order_number: orderData.number,
customer_id: userProperties.customer_id,
currency: order.currency,
shipping: orderData.shipping,
value: orderData.revenue,
tax: orderData.tax,
items: getLineItems(addedItems),
},
user_properties: {
accepts_marketing: userProperties.accepts_marketing,
email: userProperties.customer_email,
first_name: userProperties.customer_first_name,
has_account: userProperties.has_account,
customer_id: userProperties.customer_id,
last_name: userProperties.customer_last_name,
name: `${userProperties.customer_first_name} ${userProperties.customer_last_name}`,
has_account: userProperties.has_account,
orders_count: userProperties.orders_count,
total_spent: userProperties.total_spent,
},
});
console.log('SlideRule Analytics: hack track:', {
event: 'purchase',
ecommerce: {
is_upsell: isUpsell,
ecommerce_event: true,
fired_from: 'SlideRule Analytics',
upsell_count: upsellCount,
transaction_id: orderData.id,
order_number: orderData.number,
customer_id: userProperties.customer_id,
currency: order.currency,
shipping: orderData.shipping,
value: orderData.revenue,
tax: orderData.tax,
items: getLineItems(addedItems),
},
user_properties: {
accepts_marketing: userProperties.accepts_marketing,
email: userProperties.customer_email,
first_name: userProperties.customer_first_name,
has_account: userProperties.has_account,
customer_id: userProperties.customer_id,
last_name: userProperties.customer_last_name,
name: `${userProperties.customer_first_name} ${userProperties.customer_last_name}`,
has_account: userProperties.has_account,
orders_count: userProperties.orders_count,
total_spent: userProperties.total_spent,
},
});
} else {
window.slideruleData.orderInformation = {
is_upsell: isUpsell,
upsell_count: upsellCount,
transaction_id: orderData.id,
order_number: orderData.number,
customer_id: userProperties.customer_id,
currency: order.currency,
shipping: orderData.shipping,
value: orderData.revenue,
tax: orderData.tax,
items: getLineItems(addedItems),
user_properties: {
accepts_marketing: userProperties.accepts_marketing,
email: userProperties.customer_email,
first_name: userProperties.customer_first_name,
has_account: userProperties.has_account,
customer_id: userProperties.customer_id,
last_name: userProperties.customer_last_name,
name: `${userProperties.customer_first_name} ${userProperties.customer_last_name}`,
has_account: userProperties.has_account,
orders_count: userProperties.orders_count,
total_spent: userProperties.total_spent,
},
};
window.slideruleData.customer = {
id: userProperties.customer_id,
email: userProperties.customer_email,
firstName: userProperties.customer_first_name,
lastName: userProperties.customer_last_name,
};
}
}
// Returns a user properties object
function getUserProperties(data) {
return {
customer_id: data.customer.id.toString(),
customer_email: data.customer.email,
customer_first_name: data.customer.firstName,
customer_last_name: data.customer.lastName,
accepts_marketing: data.customer.acceptsMarketing,
has_account: data.customer.hasAccount,
orders_count: data.customer.ordersCount,
total_spent: data.customer.totalSpent,
};
}
// Gets line items in purchase
function getLineItems(lineItems) {
return lineItems.map(function (item) {
return {
item_id: item.variant.id.toString(),
item_name: item.title.replace(/&/g, '&'),
price: item.price,
quantity: item.quantity,
};
});
}
function getOrderData(
order,
isUpsell,
initialOrder,
addedItems,
shopifyObject,
) {
var revenue = isUpsell
? getAdditionalRevenue(order, initialOrder)
: order.totalPrice;
var subtotal = isUpsell
? getAdditionalSubtotal(order, initialOrder)
: order.subtotalPrice;
try {
affiliation = new URL(shopifyObject.pageUrl).hostname;
} catch (e) {
affiliation = '';
}
return {
affiliation: affiliation,
// This is the longer order id that shows in the url on an order page
id: getOrderId(order.id, isUpsell).toString(),
// This should be the #1240 that shows in order page.
number: order.number.toString(),
// This is total discount. Dollar value, not percentage
// On the first order we can look at the discounts object. On upsells, we can't.
// This needs to be a string.
discount_amount: getDiscountAmount(order, isUpsell, addedItems),
// We can't determine shipping & tax. For the time being put the difference between subtotal and rev in tax
shipping: 0,
tax: (parseFloat(revenue) - parseFloat(subtotal)).toString(),
revenue: revenue,
sub_total: subtotal,
};
}
function getDiscountAmount(shopifyOrder, isUpsell, addedItems) {
if (
shopifyOrder.discounts === null ||
typeof shopifyOrder.discounts === 'undefined'
)
return '0';
if (shopifyOrder.discounts.length === 0) return '0';
// If this isn't an upsell we can look at the discounts object.
if (!isUpsell) {
// Collect all the discounts on the first order.
return shopifyOrder.discounts
.reduce(function (acc, discount) {
return (acc += parseFloat(discount.amount));
}, 0)
.toFixed(2)
.toString();
// If this an upsell we have to look at the line item discounts
// The discount block provided doesn't only applies to the first order.
} else {
return addedItems
.reduce(function (acc, addedItem) {
return (acc += parseFloat(addedItem.lineLevelTotalDiscount));
}, 0)
.toFixed(2)
.toString();
}
}
function getOrderId(orderId, isUpsell) {
return isUpsell
? orderId.toString() + '-US' + upsellCount.toString()
: orderId;
}
function getAdditionalRevenue(newOrder, initialOrder) {
return (
parseFloat(newOrder.totalPrice) - parseFloat(initialOrder.totalPrice)
).toFixed(2);
}
function getAdditionalSubtotal(newOrder, initialOrder) {
return (
parseFloat(newOrder.subtotalPrice) -
parseFloat(initialOrder.subtotalPrice)
).toFixed(2);
}
// END UTILS -----------------------------------------------------------------
// Start main
(function () {
window.slideruleData = {
version: 'v0.0.2',
referralExclusion:
'/(paypal|visa|MasterCard|clicksafe|arcot\\.com|geschuetzteinkaufen|checkout\\.shopify\\.com|checkout\\.rechargeapps\\.com|portal\\.afterpay\\.com|payfort)/',
googleSignals: true,
anonymizeIp: true,
productClicks: true,
persistentUserId: true,
hideBranding: false,
ecommerce: {
currencyCode: window.Shopify.shop.currency,
impressions: [],
},
pageType: 'post-purchase',
destinations: {
google_tag_manager: {
containerIds: ['GTM-XXXXX'],
},
},
cookieUpdate: true,
};
// EVENT HOOKS -----------------------------------------------------------
onCheckout(window.Shopify.order, window.Shopify);
Shopify.on('CheckoutAmended', function (newOrder, initialOrder) {
onCheckoutAmended(newOrder, initialOrder, window.Shopify);
});
// END EVENT HOOKS -------------------------------------------------------
try {
module.exports = exports = {
onCheckoutAmended: onCheckoutAmended,
onCheckout: onCheckout,
resetUpsellCount: function () {
upsellCount = 0;
},
};
} catch (e) {}
})();
</script>
<script
async
type="text/javascript"
src="https://grow.slideruleanalytics.com/eluredils-g.js"
></script>