Block WooCommerce refunds for role

block-woocommerce-refunds-for-role.php

<?php
add_action('admin_head', 'hide_wc_refund_button');

function hide_wc_refund_button() {

    global $post;

    if (!current_user_can('sales')) {
        return;
    }
    if (strpos($_SERVER['REQUEST_URI'], 'post.php?post=') === false) {
        return;
    }

    if (empty($post) || $post->post_type != 'shop_order') {
        return;
    }
?>
    <script>
      jQuery(function () {
            jQuery('.refund-items').hide();
            jQuery(document).ajaxComplete(function() {
			          jQuery('.refund-items').css("display","none");})
            });
            jQuery('.order_actions option[value=send_email_customer_refunded_order]').remove();
            if (jQuery('#original_post_status').val()=='wc-refunded') {
                jQuery('#s2id_order_status').html('Refunded');
            } else {
                jQuery('#order_status option[value=wc-refunded]').remove();
            }            
    </script>
<?php
}