UpsellWP - Apply discount via get_price filter event

UpsellWP - Apply discount via get_price filter event

add_action('woocommerce_before_calculate_totals', function ($cart) {
    if (!method_exists('\CUW\App\Helpers\Discount', 'getPrice')) {
        return;
    }
    foreach ($cart->get_cart() as $cart_item) {
        if (isset($cart_item['cuw_offer']) && isset($cart_item['data']) && $offer = $cart_item['cuw_offer']) {
            if (!empty($offer['discount']) && isset($offer['discount']['type']) && $offer['discount']['type'] != 'no_discount') {
                $offer_price = \CUW\App\Helpers\Discount::getPrice($cart_item['data'], $offer['discount']);
                if (is_object($cart_item['data'])) {
                    $cart_item['data']->cuw_price = $offer_price;
                }
            }
        } elseif (isset($cart_item['cuw_product']) && $data = $cart_item['cuw_product']) {
            if (!empty($data['discount']) && isset($data['discount']['type']) && $data['discount']['type'] != 'no_discount') {
                if (!$data['discount']['is_bundle'] || $data['discount']['type'] != 'fixed_price') {
                    $discount_price = \CUW\App\Helpers\Discount::getPrice($cart_item['data'], $data['discount']);
                    if (is_object($cart_item['data'])) {
                        $cart_item['data']->cuw_price = $discount_price;
                    }
                }
            }
        }
    }
}, 100000);

add_filter('woocommerce_product_get_price', function ($price, $product) {
    if (is_object($product) && isset($product->cuw_price)) {
        return $product->cuw_price;
    }
    return $price;
}, 100000, 2);

It helps to resolve upsell product discount not applied correctly due to third-party plugin conflicts.