<?php
/**
 * sysPass
 *
 * @author    nuxsmin
 * @link      http://syspass.org
 * @copyright 2012-2017, Rubén Domínguez nuxsmin@$syspass.org
 *
 * This file is part of sysPass.
 *
 * sysPass is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * sysPass 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 *  along with sysPass.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace SP\Core\Upgrade;

use SP\Core\Exceptions\SPException;
use SP\Storage\DB;
use SP\Storage\QueryData;

/**
 * Class Account
 *
 * @package SP\Core\Upgrade
 */
class Account
{
    /**
     * Actualizar registros con usuarios no existentes
     *
     * @return bool
     */
    public static function fixAccountsId()
    {
        try {
            DB::beginTransaction();

            $Data = new QueryData();
            $query = /** @lang SQL */
                'DELETE FROM accUsers WHERE accuser_accountId NOT IN (SELECT account_id FROM accounts) OR accuser_accountId IS NULL';
            $Data->setQuery($query);

            DB::getQuery($Data);

            DB::endTransaction();

            return true;
        } catch (SPException $e) {
            DB::rollbackTransaction();

            return false;
        }
    }

    /**
     * Devolver el número de cuentas a procesar
     *
     * @return int
     */
    public static function getNumAccounts()
    {
        $query = /** @lang SQL */
            'SELECT SUM(n) AS num FROM (SELECT COUNT(*) AS n FROM accounts UNION SELECT COUNT(*) AS n FROM accHistory) a';

        $Data = new QueryData();
        $Data->setQuery($query);

        return (int)DB::getResults($Data)->num;
    }
}