/**
* Handle opt-in and opt-out requests
*/
public static function process_optout_request()
{
if (isset($_POST['fue_action']) && $_POST['fue_action'] == 'fue_save_myaccount') {
$opted_out = isset($_POST['fue_opt_out']) && $_POST['fue_opt_out'] == 1 ? true : false;
$user = wp_get_current_user();
if ($opted_out) {
// unsubscribe this user using his/her email
fue_add_user_opt_out($user->ID);
} else {
fue_remove_user_opt_out($user->ID);
}
wp_redirect(add_query_arg('fue_updated', 1, Follow_Up_Emails::get_account_url()));
exit;
} elseif (isset($_GET['fue_updated'])) {
Follow_Up_Emails::show_message(__('Account updated', 'follow_up_emails'));
}
}