add_filter( 'woocommerce_email_recipient_new_order', 'sv_conditional_email_recipient', 10, 2 );


function sv_conditional_email_recipient( $recipient, $order ) {

    // Bail on WC settings pages since the order object isn't yet set yet
    // Not sure why this is even a thing, but shikata ga nai
    $page = $_GET['page'] = isset( $_GET['page'] ) ? $_GET['page'] : '';
    if ( 'wc-settings' === $page ) {
        return $recipient;
    }

    // just in case
    if ( ! $order instanceof WC_Order ) {
        return $recipient;
    }


         if ( in_array( 'wholesale_customer', (array) $user->roles )  ) {
            $recipient .= ', shaun@example.com';
            return $recipient;
        }

    return $recipient;
}


add_filter( 'woocommerce_email_recipient_new_order', 'sv_conditional_email_recipient', 10, 2 );

add_filter( 'woocommerce_email_recipient_new_order', 'user_role_conditional_email_recipient', 10, 2 );
add_filter( 'woocommerce_email_recipient_cancelled_order', 'user_role_conditional_email_recipient', 10, 2 );
add_filter( 'woocommerce_email_recipient_failed_order', 'user_role_conditional_email_recipient', 10, 2 );
function user_role_conditional_email_recipient( $recipient, $order ) {

    Get the customer ID
    $user_id = $order->get_user_id();

    // Get the user data
    $user_data = get_userdata( $customer_id );

    // Adding an additional recipient for a custom user role
    if ( in_array( 'wholesale_customer', $user_data->roles )  )
        $recipient .= ', shaun@example.com';

    return $recipient;
}