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/*
* Copyright (C) 2016 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: kirigaya <kirigaya@mkacg.com>
*
* Maintainer: listenerri <listenerri@gmail.com>
*
* 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
* 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/>.
*/
#ifndef PERSISTENCE_H
#define PERSISTENCE_H
#include <QObject>
#include <QSqlDatabase>
#include <QSqlQuery>
class NotificationEntity;
class Persistence : public QObject
{
Q_OBJECT
public:
explicit Persistence(QObject *parent = 0);
void addOne(NotificationEntity *entity);
void addAll(QList<NotificationEntity*> entities);
void removeOne(const QString &id);
void removeAll();
QString getAll();
QString getById(const QString &id);
// the result starts with offset + 1
// If rowcount is - 1, it is obtained from offset + 1 to the last.
QString getFrom(int rowCount, const QString &offsetId);
signals:
void RecordAdded(NotificationEntity *entify);
private:
void attemptCreateTable();
private:
QSqlDatabase m_dbConnection;
QSqlQuery m_query;
};
#endif // PERSISTENCE_H
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