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/*
Copyright (C) 2023-2024 Selwin van Dijk
This file is part of signalbackup-tools.
signalbackup-tools 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.
signalbackup-tools 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 signalbackup-tools. If not, see <https://www.gnu.org/licenses/>.
*/
#include "signalbackup.ih"
long long int SignalBackup::getFreeDateForMessage(long long int targetdate, long long int thread_id,
long long int from_recipient_id) const
{
//std::cout << "Getting free date for message: " << targetdate << " " << thread_id << " " << from_recipient_id << std::endl;
// long long int freedate = d_database.getSingleResultAs<long long int>("SELECT min(unused_date) AS unused_date FROM "
// "(SELECT min(" + d_mms_date_sent + ") + 1 AS unused_date FROM " + d_mms_table + " AS t1 WHERE "
// "thread_id = ? AND "
// "from_recipient_id = ? "
// "AND " + d_mms_date_sent + " >= ? AND "
// "NOT EXISTS (SELECT * FROM message AS t2 WHERE t2." + d_mms_date_sent + " = t1." + d_mms_date_sent + " + 1 AND thread_id = ? AND from_recipient_id = ?) UNION "
// "SELECT ? FROM " + d_mms_table + " WHERE NOT EXISTS (SELECT * FROM " + d_mms_table + " WHERE " + d_mms_date_sent + " = ?))",
// {thread_id, from_recipient_id, targetdate, thread_id, from_recipient_id, targetdate, targetdate}, -1);
int incr = 0;
long long int freedate = -1;
while ((freedate = d_database.getSingleResultAs<long long int>("SELECT " + d_mms_date_sent + " FROM " + d_mms_table + " WHERE thread_id = ? AND from_recipient_id = ? AND " + d_mms_date_sent + " = ?",
{thread_id, from_recipient_id, targetdate + incr}, -1)) != -1 && incr < 1000)
{
//std::cout << "date: " << freedate << " was taken" << std::endl;
++incr;
}
if (freedate != -1)
return -1;
return targetdate + incr;
}
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