MailChimp for WooCommerce - Automatically uncheck the newsletter signup box for EU customers using Cloudflare geoip

checkout-geo.js

jQuery(document).ready(function( $ ) {
    if ($('body').hasClass("eu_customer")) {
        $("#mailchimp_woocommerce_newsletter").prop('checked', false);
    }
});

plugin.php

/**
 * Body class for country on checkout page
 *
 */
add_filter( 'body_class','gsg_checkout_country_body_class' );
function gsg_checkout_country_body_class( $classes ) {
	if (is_page('checkout')) {
		$eu_countries = array("BE", "BG", "CZ", "DK", "DE", "EE", "IE", "EL", "ES", "FR", "HR", "IT", "CY", "LV", "LT", "LU", "HU", "MT", "NL", "AT", "PL", "PT", "RO", "SI", "SK", "FI", "SE");
		$user_country = $_SERVER["HTTP_CF_IPCOUNTRY"];
		if (in_array($user_country, $eu_countries)) {
			$classes[] = "eu_customer";
		}
	}
     
    return $classes;
     
}

function gsg_checkout_geo_script() { 
	if (is_page('checkout')) {
		wp_enqueue_script( 'checkout-geo', plugin_dir_url( __FILE__ ) . 'js/checkout-geo.js', array ( 'jquery' ), 1.1);

	}

  }
  add_action( 'wp_enqueue_scripts', 'gsg_checkout_geo_script' );