Discount rules v2: Customization - Remove zero coupon

Discount rules v2: Customization - Remove zero coupon

add_action('woocommerce_before_cart', function(){
    if(class_exists('\Wdr\App\Router') && class_exists('\Wdr\App\Controllers\DiscountCalculator') && class_exists('\Wdr\App\Helpers\Woocommerce')){
        $manage_discount = \Wdr\App\Router::$manage_discount;
        $calculator = $manage_discount::$calculator;
        $used_coupons = $calculator::getUsedCoupons();
        $applied_coupons = \Wdr\App\Helpers\Woocommerce::getAppliedCoupons();
        foreach ($applied_coupons as $applied_coupon) {
            if (in_array($applied_coupon,$used_coupons)) {
                $coupon = new WC_Coupon($applied_coupon);
                // Check if the coupon has zero value
                if ($coupon->get_amount() == 0) {
                    $manage_discount->removeAppliedCoupon($applied_coupon);
                }
            }
        }
    }
});
add_filter('woocommerce_coupon_message', function ($message, $msg_code, $coupon) {
    if(class_exists('\Wdr\App\Router') && class_exists('\Wdr\App\Controllers\DiscountCalculator') && class_exists('\Wdr\App\Helpers\Woocommerce')) {
        $manage_discount = \Wdr\App\Router::$manage_discount;
        $calculator = $manage_discount::$calculator;
        $used_coupons = $calculator::getUsedCoupons();
        if (in_array($coupon->get_code(), $used_coupons) && $coupon->get_amount() == 0) {
            wc_add_notice(__('Sorry, it is not possible to apply coupon . '.$coupon->get_code().' as you already have a discount applied in cart. ', 'woo-discount-rules'), 'error');
            $message = '';
        }
        return $message;
    }
}, 10, 3);