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/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* This program 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <QDir>
#include <lmdb++.h>
#include "RoomState.h"
class Cache
{
public:
Cache(const QString &userId);
void setState(const QString &nextBatchToken, const QMap<QString, RoomState> &states);
bool isInitialized() const;
QString nextBatchToken() const;
QMap<QString, RoomState> states();
inline void deleteData();
inline void unmount();
inline QString memberDbName(const QString &roomid);
private:
void setNextBatchToken(lmdb::txn &txn, const QString &token);
void insertRoomState(lmdb::txn &txn, const QString &roomid, const RoomState &state);
lmdb::env env_;
lmdb::dbi stateDb_;
lmdb::dbi roomDb_;
bool isMounted_;
QString userId_;
QString cacheDirectory_;
};
inline void
Cache::unmount()
{
isMounted_ = false;
}
inline QString
Cache::memberDbName(const QString &roomid)
{
return QString("m.%1").arg(roomid);
}
inline void
Cache::deleteData()
{
if (!cacheDirectory_.isEmpty())
QDir(cacheDirectory_).removeRecursively();
}
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