// This file is part of RSS Guard.
//
// Copyright (C) 2011-2017 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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.
//
// RSS Guard 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 RSS Guard. If not, see <http://www.gnu.org/licenses/>.

#ifndef CACHEFORSERVICEROOT_H
#define CACHEFORSERVICEROOT_H

#include "services/abstract/serviceroot.h"

#include <QStringList>
#include <QPair>
#include <QMap>


class Mutex;

class CacheForServiceRoot {
  public:
    explicit CacheForServiceRoot();
    virtual ~CacheForServiceRoot();

    void addMessageStatesToCache(const QStringList &ids_of_messages, RootItem::ReadStatus read);

  protected:
    QPair<QMap<RootItem::ReadStatus, QStringList>, QMap<RootItem::Importance, QStringList>> takeMessageCache();

    Mutex *m_cacheSaveMutex;
    QMap<RootItem::ReadStatus, QStringList> m_cachedStatesRead;
    QMap<RootItem::Importance, QStringList> m_cachedStatesImportant;
};

#endif // CACHEFORSERVICEROOT_H