updateinstaller.h

//------------------------------------------------------------------------------
// updateinstaller.h
//------------------------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301  USA
//
//------------------------------------------------------------------------------
// Copyright (C) 2012 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#ifndef DOOMSEEKER_UPDATER_UPDATEINSTALLER_H
#define DOOMSEEKER_UPDATER_UPDATEINSTALLER_H

#include <QObject>
#include <QString>

class UpdateInstaller : public QObject
{
        Q_OBJECT

public:
        enum ProcessErrorCode
        {
                PEC_Ok,
                PEC_UnableToReadUpdateScript = 1,
                PEC_NoInstallationDirectorySpecified = 2,
                PEC_UnableToDeterminePathOfUpdater = 3,
                PEC_GeneralFailure = 10000
        };

        enum ErrorCode
        {
                EC_Ok,
                EC_NothingToUpdate,
                EC_UpdatePackageMissing,
                EC_ProcessStartFailure
        };

        static QString errorCodeToStr(ErrorCode code);
        static QString processErrorCodeToStr(ProcessErrorCode code);

        UpdateInstaller(QObject *pParent = nullptr);
        ~UpdateInstaller() override;

        ErrorCode startInstallation();

private:
        QString copyUpdaterExecutableToTemporarySpace();
        QString getPercentEncodedCurrentProcessArgs();
        bool startUpdaterProcess(const QString &packagesDir, const QString &scriptFilePath);
};

#endif