client/lib/analytics/ad-tracking.js
function recordOrderInQuantcast( cart, orderId, wpcomJetpackCartInfo ) {
	if ( ! isAdTrackingAllowed() || ! isQuantcastEnabled ) {
		return;
	}

	if ( wpcomJetpackCartInfo.containsWpcomProducts ) {
		if ( null !== wpcomJetpackCartInfo.wpcomCostUSD ) {
			// Note that all properties have to be strings or they won't get tracked
			const params = {
				qacct: TRACKING_IDS.quantcast,
				labels:
					'_fp.event.Purchase Confirmation,_fp.pcat.' +
					wpcomJetpackCartInfo.wpcomProducts.map( product => product.product_slug ).join( ' ' ),
				orderid: orderId.toString(),
				revenue: wpcomJetpackCartInfo.wpcomCostUSD.toString(),
				event: 'refresh',
			};
			debug( 'recordOrderInQuantcast: record WPCom purchase', params );
			window._qevents.push( params );
		} else {
			debug(
				`recordOrderInQuantcast: currency ${ cart.currency } not supported, dropping WPCom pixel`
			);
		}
	}

	if ( wpcomJetpackCartInfo.containsJetpackProducts ) {
		if ( null !== wpcomJetpackCartInfo.jetpackCostUSD ) {
			// Note that all properties have to be strings or they won't get tracked
			const params = {
				qacct: TRACKING_IDS.quantcast,
				labels:
					'_fp.event.Purchase Confirmation,_fp.pcat.' +
					wpcomJetpackCartInfo.jetpackProducts.map( product => product.product_slug ).join( ' ' ),
				orderid: orderId.toString(),
				revenue: wpcomJetpackCartInfo.jetpackCostUSD.toString(),
				event: 'refresh',
			};
			debug( 'recordOrderInQuantcast: record Jetpack purchase', params );
			window._qevents.push( params );
		} else {
			debug(
				`recordOrderInQuantcast: currency ${ cart.currency } not supported, dropping Jetpack pixel`
			);
		}
	}
}
function recordOrderInQuantcast( cart, orderId, wpcomJetpackCartInfo ) {
	if ( ! isAdTrackingAllowed() || ! isQuantcastEnabled ) {
		return;
	}

	if ( wpcomJetpackCartInfo.containsWpcomProducts ) {
		if ( null !== wpcomJetpackCartInfo.wpcomCostUSD ) {
			// Note that all properties have to be strings or they won't get tracked
			const params = {
				qacct: TRACKING_IDS.quantcast,
				labels:
					'_fp.event.Purchase Confirmation,_fp.pcat.' +
					wpcomJetpackCartInfo.wpcomProducts.map( product => product.product_slug ).join( ' ' ),
				orderid: orderId.toString(),
				revenue: wpcomJetpackCartInfo.wpcomCostUSD.toString(),
				event: 'refresh',
			};
			debug( 'recordOrderInQuantcast: record WPCom purchase', params );
			window._qevents.push( params );
		} else {
			debug(
				`recordOrderInQuantcast: currency ${ cart.currency } not supported, dropping WPCom pixel`
			);
		}
	}

	if ( wpcomJetpackCartInfo.containsJetpackProducts ) {
		if ( null !== wpcomJetpackCartInfo.jetpackCostUSD ) {
			// Note that all properties have to be strings or they won't get tracked
			const params = {
				qacct: TRACKING_IDS.quantcast,
				labels:
					'_fp.event.Purchase Confirmation,_fp.pcat.' +
					wpcomJetpackCartInfo.jetpackProducts.map( product => product.product_slug ).join( ' ' ),
				orderid: orderId.toString(),
				revenue: wpcomJetpackCartInfo.jetpackCostUSD.toString(),
				event: 'refresh',
			};
			debug( 'recordOrderInQuantcast: record Jetpack purchase', params );
			window._qevents.push( params );
		} else {
			debug(
				`recordOrderInQuantcast: currency ${ cart.currency } not supported, dropping Jetpack pixel`
			);
		}
	}
}
Records an order in Quantcast

@param {Object} cart - cart as `CartValue` object
@param {Number} orderId - the order id
@param {Object} wpcomJetpackCartInfo - info about WPCOM and Jetpack in the cart
@returns {void}