ip2cupdater.h

//------------------------------------------------------------------------------
// ip2cupdater.h
//------------------------------------------------------------------------------
//
// 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 2
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
//
//------------------------------------------------------------------------------
// Copyright (C) 2009 "Blzut3" <admin@maniacsvault.net>
//------------------------------------------------------------------------------
#ifndef __IP2CUPDATER_H__
#define __IP2CUPDATER_H__

#include <QByteArray>
#include <QObject>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QNetworkRequest>

#include <wadseeker/protocols/fixednetworkaccessmanager.h>

class IP2CUpdater : public QObject
{
        Q_OBJECT

        public:
                static bool needsUpdate(const QString& filePath, unsigned minimumUpdateAge);

                IP2CUpdater();
                ~IP2CUpdater();

                void downloadDatabase(const QUrl& netLocation);
                const QByteArray& downloadedData();

                const QString& filePath() const { return pathToFile; }

                bool getRollbackData();

                bool hasDownloadedData() const { return !retrievedData.isEmpty(); }
                bool hasRollbackData() const { return !rollbackData.isEmpty(); }

                bool rollback();

                bool saveDownloadedData();

                void setFilePath(const QString& filePath) { pathToFile = filePath; }

        signals:
                void databaseDownloadFinished(const QByteArray& downloadedData);
                void downloadProgress(qint64 value, qint64 max);

        private:
                FixedNetworkAccessManager* pNetworkAccessManager;
                QNetworkReply* pCurrentNetworkReply;

                QString pathToFile;
                QByteArray retrievedData;
                QByteArray rollbackData;

                bool save(const QByteArray& saveWhat);

        private slots:
                void downloadFinished();
};

#endif