points calculation

functions.php

<?php
/**
 * Calculate points based on total amount instead of per-product
 * Useful when plugins give some products for free
 * 10 points per $1 spent (excluding shipping, including tax)
 */

// For cart/checkout display
add_filter('wpgens_loyalty_cart_points_after_discount', function($total_points, $cart, $discount_ratio) {
    // Subtotal + tax - discounts (including discount tax)
    $cart_subtotal = $cart->get_subtotal() + $cart->get_subtotal_tax();
    $cart_subtotal -= $cart->get_discount_total() + $cart->get_discount_tax();
    
    // 10 points per $1 spent
    return floor($cart_subtotal * 10);
}, 10, 3);

// For order processing
add_filter('wpgens_loyalty_order_points_after_discount', function($total_points, $order, $discount_ratio) {
    // Order total already includes tax, just subtract shipping
    $order_subtotal = $order->get_total() - $order->get_shipping_total() - $order->get_shipping_tax();
    
    // 10 points per $1 spent
    return floor($order_subtotal * 10);
}, 10, 3);