bool Database::updateUser(const User& theUser, QString &username)
{
    QSqlQuery query("UPDATE USER (USERNAME, PASSWORD, FULLNAME, ISADMIN, "
                    "ISBLOCKED) SET (:username, :password, :fullname, "
                    ":isadmin, :isblocked) WHERE USERNAME = :oldPass;");
    query.bindValue(":username", theUser.username_);
    query.bindValue(":password", theUser.password_);
    query.bindValue(":fullname", theUser.name_);
    query.bindValue(":isadmin", theUser.isAdmin_);
    query.bindValue(":isblocked", theUser.isBlocked_);
    query.bindValue(":oldPass", username);

    return query.exec();
}