File indexing completed on 2024-05-12 15:26:55

 /***************************************************************************
 File        : DatasetHandler.h
 Project     : LabPlot
 Description : Processes a dataset's metadata file
 --------------------------------------------------------------------
 Copyright   : (C) 2019 Kovacs Ferencz (kferike98@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 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                                           *
 *                                                                         *
 ***************************************************************************/
 #ifndef DATASETHANDLER_H
 #define DATASETHANDLER_H
 
 #include <QString>
 #include "backend/spreadsheet/Spreadsheet.h"
 
 class QJsonObject;
 class AsciiFilter;
 class QNetworkAccessManager;
 class QNetworkReply;
 
 class DatasetHandler : public QObject{
     Q_OBJECT
 
 public:
     explicit DatasetHandler(Spreadsheet*);
     ~DatasetHandler();
     void processMetadata(const QJsonObject&);
 
 private:
     Spreadsheet* m_spreadsheet;
     AsciiFilter* m_filter;
     QJsonObject* m_object{nullptr};
     QNetworkAccessManager* m_downloadManager;
     QNetworkReply* m_currentDownload{nullptr};
     QString m_fileName;
     bool m_invalidMetadataFile{false};
     QString m_containingDir;
 
     void loadJsonDocument(const QString& path);
     void configureFilter();
     void configureSpreadsheet();
     void prepareForDataset();
     void processDataset();
     void doDownload(const QUrl&);
     bool isHttpRedirect(QNetworkReply*);
     QString saveFileName(const QUrl&);
     bool saveToDisk(const QString& filename, QIODevice*);
     void markMetadataAsInvalid();
 
 private slots:
     void downloadFinished(QNetworkReply*);
 
 signals:
     void downloadCompleted();
     void downloadProgress(int progress);
 };
 
 #endif // DATASETHANDLER_H