add to cart redirects to login page

/*

Code snippet that automatically redirects user to login page if user tries to add tickets without being logged in.

Code should go to your child theme functions.php file.

*/

add_action( 'woocommerce_add_to_cart_validation', 'custom_redirect_to_login_page', 5, 4);

function custom_redirect_to_login_page($pass, $product_id, $quantity, $variation_id = 0){
    if ( is_user_logged_in() ){
        return $pass;
    }
    if ( function_exists( 'wc_get_product' ) ) {

        $product = wc_get_product( $product_id );
    } else {
        $product = new WC_Product( $product_id );
    }
    if ( $product->get_type() == 'lottery' ) {
        $max_tickets_per_user = $product->get_max_tickets_per_user() ? $product->get_max_tickets_per_user() : false;
        if ( $max_tickets_per_user == false  OR $max_tickets_per_user == $product->get_max_tickets() ) {
                    return true;
        }
        $redirect = add_query_arg( 'redirect_to', get_permalink( $product->get_id() ), get_permalink( get_option( 'woocommerce_myaccount_page_id' ) ) );
        wp_redirect( $redirect );
        exit();
    }

}
function custom_login_redirect( $redirect_to ){
    if( isset( $_REQUEST['redirect_to'] ) ) {
        return $_REQUEST['redirect_to'];
    } else {
        return $redirect_to;
    }
}
add_filter( 'login_redirect', 'custom_login_redirect');