Wordpress WooCommerce Filter for woocommerce_cart_calculate_fees

raza-COD-WP-WC-Filter.php

<?php

add_action( 'woocommerce_cart_calculate_fees', 'raza_fee_based_on_payment_method_and_total' );
function raza_fee_based_on_payment_method_and_total( $cart ) {
    
    if ( is_admin() && ! defined('DOING_AJAX') ){
        return;
    }
        
    $threshold_amount  = 300; // Total amount to reach for no fees
    
    $payment_method_id = WC()->session->get('chosen_payment_method');
    $cart_items_total  = $cart->get_cart_contents_total();

    $fee = ( $payment_method_id === 'cod' ) ? 0 : 360;
    $text = __("Fee");

    $cart->add_fee( $text, $fee, false ); // To make fee taxable change "false" to "true"    
}

// jQuery - Update checkout on payment method change
add_action( 'wp_footer', 'raza_checkout_script' );
function raza_checkout_script() {

    if ( is_checkout() && ! is_wc_endpoint_url() ) : ?>

        <script type="text/javascript">
            console.log('working...');
            jQuery( function($){ $('form.checkout').on('change', 'input[name="payment_method"]', function(){ $(document.body).trigger('update_checkout'); }); });
        </script>
        
    <?php endif;
}