Track Easy Digital Downloads ecommerce data in self-hosted Matomo

matomo-tracking

/**
 * Tracking order items and orders for Easy Digital Downloads as Ecommerce data in a self-hosted Matomo (the WordPress plugin)
 * the code is fired on the purchase confirmation page that appears right after the purchase.
 * Based on https://matomo.org/faq/reports/advanced-manually-tracking-ecommerce-actions-in-matomo/
 */
add_action('edd_order_receipt_after_table', function( $order, $edd_receipt_args ) {
	if ( empty( $edd_receipt_args['payment_id'] ) ) {
		return;
	}
	// Only accept complete or pending orders. Pending orders can be caused by a delay with PayPal, so we are accepting them here
	if ( ! in_array( $order->status, array( 'complete', 'pending' ) ) ) {
		return;
	}

	$payment = edd_get_payment( $order->ID );
	
	// The payment was completed less than 7 days ago – prevents confusing the data with old orders
	if ( time() - strtotime( $order->date_completed ) > WEEK_IN_SECONDS ) {
		return;
	}
	
	$grand_total = edd_get_payment_amount( $order->ID );
	$cart = edd_get_payment_meta_cart_details( $order->ID, true );
	if ( ! $cart ) {
		return;
	}
	?><script>
		var _paq = window._paq = window._paq || [];
	<?php
		foreach ( $cart as $key => $item ) {
			$price_id = edd_get_cart_item_price_id( $item );
			$itemname = $item['name'];
			if ( ! is_null( $price_id ) ) {
				$itemname .= ' - ' . edd_get_price_option_name( $item['id'], $price_id );
			}

			?>_paq.push(['addEcommerceItem',
						 '<?php echo esc_js( edd_use_skus() ? edd_get_download_sku( $item['id'] ) : $item['id'] ); ?>', // SKU
						 '<?php echo esc_js( $itemname ); ?>', // Name
						 [], // Categories
						 <?php echo esc_js( $item['item_price'] ); ?>, //  Price
						 1 // Quantity
						]);
			<?php
		}

	// Order
	?>_paq.push(['trackEcommerceOrder',
			   "<?php echo esc_js( edd_get_payment_number( $order->ID ) ); ?>", // orderId
			   <?php echo $grand_total ? esc_js( $grand_total ) : '0'; ?>, // grandTotal (revenue)
			   <?php echo $grand_total ? esc_js( $grand_total ) : '0'; ?>, // subTotal
			   <?php echo edd_use_taxes() ? esc_js( edd_get_payment_tax( $order->ID ) ) : '0'; ?>, // tax
			   0, // shipping
			   false // discount
			  ]);
	</script><?php
}, 10, 2 );