<?php

/**
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 *
 * Two-factor TOTP
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\TwoFactorTOTP\Db;

use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\Mapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\IUser;

class TotpSecretMapper extends Mapper {

    public function __construct(IDBConnection $db) {
        parent::__construct($db, 'twofactor_totp_secrets');
    }

    /**
     * @param IUser $user
     * @throws DoesNotExistException
     * @return TotpSecret
     */
    public function getSecret(IUser $user) {
        /* @var $qb IQueryBuilder */
        $qb = $this->db->getQueryBuilder();

        $qb->select('id', 'user_id', 'secret', 'state')
                ->from('twofactor_totp_secrets')
                ->where($qb->expr()->eq('user_id', $qb->createNamedParameter($user->getUID())));
        $result = $qb->execute();

        $row = $result->fetch();
	$result->closeCursor();
        if ($row === false) {
            throw new DoesNotExistException('Secret does not exist');
        }
        return TotpSecret::fromRow($row);
    }

}
