email customizer plus - get customer role shortcode

wecp_get_customer_role.php

add_filter('woocommerce_email_customizer_plus_additional_short_codes_list', 'wecpLoadAdditionalShortCodes', 10, 3);
function wecpLoadAdditionalShortCodes($additional_short_codes){
	$additional_short_codes['customer.role'] = 'get customer role';
	return $additional_short_codes;
}

add_filter('woocommerce_email_customizer_plus_short_code_values', 'wecpLoadAdditionalData', 10, 4);
function wecpLoadAdditionalData($short_codes, $order, $args, $sample){
	if (is_array($short_codes)) {
		$user_role = '';
		if(isset($short_codes['customer']['email']) && !empty($short_codes['customer']['email'])){
			$email  = $short_codes['customer']['email'];
			$user = get_user_by('email', $email);
			if(empty($user)){
				$user_role = 'Customer';
			}else{
				$roles = $user->roles;
				if (!empty($roles) && is_array($roles)) {
					$roles = array_map("wecpFormatUserRole",$roles);
					$user_role = implode(', ',$roles);
				}
			}
		}
		$short_codes['customer']['role'] = $user_role;
	}
	return $short_codes;
}

function wecpFormatUserRole($role){
	return str_replace('_', ' ', ucfirst($role));
}