WWQ – Hide Add to Quote button from regular customers

add_filter( 'wws_wq_quote_button_html', 'wwq_restrict_quote_button_to_wholesale' );

add_filter( 'wws_wq_quote_button_cart_html', 'wwq_restrict_quote_button_to_wholesale' );

add_filter( 'wws_wq_quote_button_checkout_html', 'wwq_restrict_quote_button_to_wholesale' );

function wwq_restrict_quote_button_to_wholesale( $button_html ) {

    if ( ! is_user_logged_in() ) {

        return '';

    }

    $user = wp_get_current_user();

    if ( class_exists( 'WWP_Wholesale_Roles' ) ) {

        $wholesale_roles = WWP_Wholesale_Roles::getInstance()->getUserWholesaleRole( $user );

        return empty( $wholesale_roles ) ? '' : $button_html;

    }

    foreach ( $user->roles as $role ) {

        if ( false !== strpos( $role, 'wholesale' ) ) {

            return $button_html;

        }

    }

    return '';

}