Woocommerce: product id in the order received url - php

Question

I would like to change the order received (thanks page) url for a new one, which includes the ordered product's ID.
Here is the code in the class-wc-order.php
/**
* Generates a URL for the thanks page (order received).
*
* #return string
*/
public function get_checkout_order_received_url() {
$order_received_url = wc_get_endpoint_url( 'order-received', $this->get_id(), wc_get_page_permalink( 'checkout' ));
if ( 'yes' === get_option( 'woocommerce_force_ssl_checkout' ) || is_ssl() ) {
$order_received_url = str_replace( 'http:', 'https:', $order_received_url );
}
$order_received_url = add_query_arg( 'key', $this->get_order_key(), $order_received_url );
return apply_filters( 'woocommerce_get_checkout_order_received_url', $order_received_url, $product, $this, $product->id );
}
Any idea?
Thanks!

Answer 1

This answer on wordpress.stackexchange.com would solve the issue
As a brief, just define the following hook:
add_filter('woocommerce_get_checkout_order_received_url','override_return_url',10,2);
function override_return_url($return_url,$order){
//create empty array to store url parameters in
$sku_list = array();
// retrive products in order
foreach($order->get_items() as $key => $item)
{
$product = wc_get_product($item['product_id']);
//get sku of each product and insert it in array
$sku_list['product_'.$item['product_id'] . 'sku'] = $product->get_sku();
}
//build query strings out of the SKU array
$url_extension = http_build_query($sku_list);
//append our strings to original url
$modified_url = $return_url.'&'.$url_extension;
return $modified_url;
}
Then, you can set the analytics goal to point to the destination below as a regular expression
\/checkout\/order-received\/\d+\/\?key=\w+&product_ID_HERE_sku=SKU_HERE
We can make it simpler by including only product ids:
add_filter('woocommerce_get_checkout_order_received_url','override_return_url',0,2);
function override_return_url($return_url,$order){
$ids = array();
foreach($order->get_items() as $key => $item)
{
$ids[] = $item['product_id'];
}
return add_query_arg('product_ids', join(',', $ids) , $return_url);
}
In this case, the regex would be:
\/checkout\/order-received\/\d+\/\?key=\w+&product_ids=ID1,ID2,ID3
Or for a single product id:
\/checkout\/order-received\/\d+\/\?key=\w+&product_ids=[\w,]*ID[\w,]*