require_once './database/Database.php';
        $db = new Database();
        $insertQuery = "INSERT INTO `registered_devices`(`token_id`) VALUES ('{$token}')";
        return $db->queryInsertDb($insertQuery);
    }
    public static function updateRegisteredToken($token, $tokenId)
    {
        require_once './database/Database.php';
        $db = new Database();
        $updateQuery = "UPDATE `registered_devices` SET `token_id`='{$token}' WHERE `registration_id`='{$tokenId}'";
        return $db->queryUpdateDb($updateQuery);
    }
}
if (isset($_GET['token']) && $_GET['token'] != '') {
    if ($_GET['refreshed'] == 'false') {
        if (Register::registerDevice($_GET['token'])) {
            //send notification to registered user
            require './gcm/Gcm.php';
            $gcm = new Gcm();
            $messageWellcome = '{"type": "0", "message":"Well come to Archismat. We are happy to see you."}';
            $gcm->sendNotifcation($messageWellcome, $_GET['token']);
            //Notification sent
            echo mysqli_insert_id(Database::$conn);
        } else {
            echo -1;
        }
    } else {
        if ($_GET['refreshed'] == 'true') {
            if (Register::updateRegisteredToken($_GET['token'], $_GET['update_id'])) {
                echo 1;
            } else {