filesdownloader.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2020-11-14
 * Description : Files downloader
 *
 * Copyright (C) 2020-2021 by Maik Qualmann <metzpinguin at gmail dot 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 2, 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.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_FILES_DOWNLOADER_H
#define DIGIKAM_FILES_DOWNLOADER_H
 
// Qt includes
 
#include <QDialog>
#include <QNetworkReply>
 
// Local includes
 
#include "digikam_export.h"
 
namespace Digikam
{
 
// ----------------------------------------------------------------------------
 
class DIGIKAM_EXPORT DownloadInfo
{
public:
 
    DownloadInfo();
    DownloadInfo(const QString& _path,
                 const QString& _name,
                 const QString& _hash,
                 const qint64&  _size);
    DownloadInfo(const DownloadInfo& other);
    ~DownloadInfo();
 
    DownloadInfo& operator=(const DownloadInfo& other);
 
    QString path;
 
    QString name;
 
    QString hash;
 
    qint64  size;
};
 
// ----------------------------------------------------------------------------
 
class DIGIKAM_EXPORT FilesDownloader : public QDialog
{
    Q_OBJECT
 
public:
 
    explicit FilesDownloader(QWidget* const parent = nullptr);
    ~FilesDownloader() override;
 
    bool checkDownloadFiles() const;
    void startDownload();
 
private:
 
    void download();
    void nextDownload();
    void createRequest(const QUrl& url);
    void printDownloadInfo(const QUrl& url);
    bool downloadExists(const DownloadInfo& info) const;
 
    QString getFacesEnginePath()                  const;
 
private Q_SLOTS:
 
    void reject() override;
    void slotDownload();
    void slotDownloaded(QNetworkReply* reply);
    void slotDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
 
private:
 
    // Disable
    FilesDownloader(const FilesDownloader&)            = delete;
    FilesDownloader& operator=(const FilesDownloader&) = delete;
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_FILES_DOWNLOADER_H