如果原始订单包含待补商品，则拆分并创建新的WooCommerce订单

Question

这里的目标是循环浏览订单商品，并采用未交货的商品并将其放置在新订单中，并为该新订单赋予状态“ Backorder”。

我使用的代码给了我两个订单，但是旧订单仍然包含未交货的物料，而新订单中没有任何物料。

关于我要去哪里的任何想法吗？

add_filter( 'woocommerce_register_shop_order_post_statuses', 'register_backorder_status' );
function register_backorder_status( $order_statuses ) {

    $order_statuses['wc-backorder'] = array(                                            
    'label'                     => _x( 'Backorder', 'Order status', 'woocommerce' ),
    'public'                    => false,                                            
    'exclude_from_search'       => false,                                            
    'show_in_admin_all_list'    => true,                                         
    'show_in_admin_status_list' => true,                                         
    'label_count'               => _n_noop( 'On Backorder', 'Being Packed <span class="count">(%s)</span>', 'woocommerce' ),
    );
    return $order_statuses;
}

add_filter( 'wc_order_statuses', 'display_backorder_order_status' );
function display_backorder_order_status( $order_statuses ) {    
    $order_statuses['wc-backorder'] = _x( 'On Backorder', 'Order status', 'woocommerce' );       
    return $order_statuses;
}

add_filter( 'bulk_actions-edit-shop_order', 'enable_backorder_order_status_bulk' );
function enable_backorder_order_status_bulk( $bulk_actions ) {
    $bulk_actions['mark_backorder'] = 'Set as Backorder';
    return $bulk_actions;
}

add_filter( 'wc_order_statuses', 'add_backorders_to_order_statuses' );
function add_backorders_to_order_statuses( $order_statuses ) {

    $new_order_status = array();

        foreach ( $order_statuses as $key => $status ) {

            $new_order_status[ $key ] = $status;

            if ( 'wc-processing' === $key ) {
                $new_order_status['wc-backorder'] = 'Backorder';
            }
        }
    return $new_order_status;
}


add_action( 'woocommerce_thankyou', 'split_order_if_order_has_backorder_products', 10, 1 );
function split_order_if_order_has_backorder_products($order_id) {

    if ( ! $order_id )
        return;

    $backorder_status = 'wc-backorder';

    $order = wc_get_order( $order_id );

    $currency = $order->get_currency();

    $paymentMethod = $order->get_payment_method();

    $billing_information = array(
        'first_name' => $order->get_billing_first_name(),
        'last_name'  => $order->get_billing_last_name(),
        'email'      => $order->get_billing_email(),
        'phone'      => $order->get_billing_phone(),
        'address_1'  => $order->get_billing_address_1(),
        'address_2'  => $order->get_billing_address_2(),
        'city'       => $order->get_billing_city(),
        'state'      => $order->get_billing_state(),
        'postcode'   => $order->get_billing_postcode(),
        'country'    => $order->get_billing_country()
    );

    $shipping_information = array(
        'first_name' => $order->get_shipping_first_name(),
        'last_name'  => $order->get_shipping_last_name(),
        'address_1'  => $order->get_shipping_address_1(),
        'address_2'  => $order->get_shipping_address_2(),
        'city'       => $order->get_shipping_city(),
        'state'      => $order->get_shipping_state(),
        'postcode'   => $order->get_shipping_postcode(),
        'country'    => $order->get_shipping_country()
    );

    /* not sure if this is needed or not?
    if ( ! $order->has_status('on-hold') )
        return;
    */

    $backorder_items = array();

        foreach ( $order->get_items() as $item ) {
            $product = wc_get_product($item['product_id']);

            if ($product->is_on_backorder()) {
            $backorder_items[] = $item;
        }
    }

    $backorder_args = array (
        'customer_id' => $order->get_customer_id(),
        'status'     => 'wc-backorder',
    );

    $backorder = wc_create_order($backorder_args);

    foreach($backorder_items as $backorder_item){
        $backorder->add_item($backorder_item);
    }

    $backorder->set_currency($currency);
    $backorder->set_payment_method($paymentMethod);

    $backorder->set_address( $billing_information, 'billing');
    $backorder->set_address( $shipping_information, 'shipping');

    $backorder->add_order_note('This is the automated backorder, created from the original order ID: '.$order->get_id());

    foreach($backorder_items as $item_id => $backorder_item){
        $order->remove_item($item_id);
    }

    $order->calculate_totals();
    $order->save();

    $backorder->calculate_totals();
    $backorder->save(); 
}