* RestockRefundedItemsAdjuster class file.
namespace Automattic\WooCommerce\Internal;
use Automattic\WooCommerce\Proxies\LegacyProxy;
defined( 'ABSPATH' ) || exit;
* Class to adjust or initialize the restock refunded items.
class RestockRefundedItemsAdjuster {
* The order factory to use.
* Class initialization, to be executed when the class is resolved by the container.
final public function init() {
$this->order_factory = wc_get_container()->get( LegacyProxy::class )->get_instance_of( \WC_Order_Factory::class );
add_action( 'woocommerce_before_save_order_items', array( $this, 'initialize_restock_refunded_items' ), 10, 2 );
* Initializes the restock refunded items meta for order version less than 5.5.
* @see https://github.com/woocommerce/woocommerce/issues/29502
* @param int $order_id Order ID.
* @param array $items Order items to save.
public function initialize_restock_refunded_items( $order_id, $items ) {
$order = wc_get_order( $order_id );
$order_version = $order->get_version();
if ( version_compare( $order_version, '5.5', '>=' ) ) {
// If there are no refund lines, then this migration isn't necessary because restock related meta's wouldn't be set.
if ( 0 === count( $order->get_refunds() ) ) {
if ( isset( $items['order_item_id'] ) ) {
foreach ( $items['order_item_id'] as $item_id ) {
$item = $this->order_factory::get_order_item( absint( $item_id ) );
if ( 'line_item' !== $item->get_type() ) {
// There could be code paths in custom code which don't update version number but still update the items.
if ( '' !== $item->get_meta( '_restock_refunded_items', true ) ) {
$refunded_item_quantity = abs( $order->get_qty_refunded_for_item( $item->get_id() ) );
$item->add_meta_data( '_restock_refunded_items', $refunded_item_quantity, false );