/**
* Checks if user is logged in and appends the email input field and waitlist button HTML to text string as required
*
* @param string $string HTML for Out of Stock message
* @access public
* @return string HTML with appropriate fields and Waitlist button appended
* @since 1.3
*/
public function append_waitlist_control_for_grouped_products($string)
{
if (!is_user_logged_in() && !WooCommerce_Waitlist_Plugin::users_must_be_logged_in_to_join_waitlist()) {
$string .= $this->get_waitlist_email_field();
$string .= $this->get_waitlist_control('join', 'grouped');
} else {
$string .= $this->get_waitlist_control('update', 'grouped');
}
return $string;
}
