recalculate order points

functions.php

/**
 * Recalculate loyalty points when an order is updated in admin
 */
add_action('woocommerce_process_shop_order_meta', 'recalculate_loyalty_points_on_order_update', 50, 1);

function recalculate_loyalty_points_on_order_update($order_id) {
    $order = wc_get_order($order_id);
    if (!$order) {
        return;
    }
    
    // Only recalculate if points haven't been awarded yet
    // (once awarded, changing order shouldn't change user's points)
    if ($order->get_meta('_wpgens_loyalty_points_awarded')) {
        return;
    }
    
    // Clear existing calculated points to allow recalculation
    $order->delete_meta_data('_wpgens_loyalty_points_amount');
    $order->delete_meta_data('_wpgens_loyalty_points_rate');
    
    // Also clear item-level points meta
    foreach ($order->get_items() as $item) {
        $item->delete_meta_data('_wpgens_loyalty_points_earned');
        $item->delete_meta_data('_wpgens_loyalty_points_rate');
        $item->save();
    }
    
    $order->save();
    
    // Now trigger recalculation
    if (class_exists('WPGL_Points_Checkout')) {
        WPGL_Points_Checkout::calculate_order_points($order_id);
    }
}