Yes, you read the title correctly, weird I know!
This snippet was requested by one of the Facebook Community members.
This code snippet checks if a user defined coupon code has been applied to the order. If it has, a percentage based fee is added to the order with the label “Coupon Fee”.
/**
* Snippet Name: WooCommerce Add Fee With A Coupon
* Snippet Author: ecommercehints.com
*/
add_action( 'woocommerce_cart_calculate_fees','ecommercehints_add_fee_with_coupon' );
function ecommercehints_add_fee_with_coupon() {
global $woocommerce;
if (is_admin() && ! defined('DOING_AJAX')) return;
$coupon_id = 'Add10%'; // The specific coupon code to add the fee (this must exist)
if(!in_array($coupon_id, $woocommerce->cart->get_applied_coupons())) {
$percentage = 0.1;// The percentage fee, 0.1 being 10%
$surcharge = ( $woocommerce->cart->cart_contents_total + $woocommerce->cart->shipping_total ) * $percentage;
$woocommerce->cart->add_fee( 'Coupon Fee', $surcharge, true, '' ); // The fee label, amount, taxable status, and tax class
}
}
