mirror of
				https://github.com/f4exb/sdrangel.git
				synced 2025-11-03 21:20:31 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			118 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
 | 
						|
// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.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 as version 3 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 V3 for more details.                               //
 | 
						|
//                                                                               //
 | 
						|
// You should have received a copy of the GNU General Public License             //
 | 
						|
// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
 | 
						|
///////////////////////////////////////////////////////////////////////////////////
 | 
						|
 | 
						|
#include "wtml.h"
 | 
						|
 | 
						|
#include <QUrl>
 | 
						|
#include <QNetworkReply>
 | 
						|
#include <QXmlStreamReader>
 | 
						|
#include <QDebug>
 | 
						|
#include <QNetworkDiskCache>
 | 
						|
 | 
						|
WTML::WTML()
 | 
						|
{
 | 
						|
    m_networkManager = new QNetworkAccessManager();
 | 
						|
    QObject::connect(m_networkManager, &QNetworkAccessManager::finished, this, &WTML::handleReply);
 | 
						|
 | 
						|
    QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
 | 
						|
    QDir writeableDir(locations[0]);
 | 
						|
    if (!writeableDir.mkpath(QStringLiteral("cache") + QDir::separator() + QStringLiteral("wtml"))) {
 | 
						|
        qDebug() << "Failed to create cache/wtml";
 | 
						|
    }
 | 
						|
 | 
						|
    m_cache = new QNetworkDiskCache();
 | 
						|
    m_cache->setCacheDirectory(locations[0] + QDir::separator() + QStringLiteral("cache") + QDir::separator() + QStringLiteral("wtml"));
 | 
						|
    m_cache->setMaximumCacheSize(100000000);
 | 
						|
    m_networkManager->setCache(m_cache);
 | 
						|
}
 | 
						|
 | 
						|
WTML::~WTML()
 | 
						|
{
 | 
						|
    QObject::disconnect(m_networkManager, &QNetworkAccessManager::finished, this, &WTML::handleReply);
 | 
						|
    delete m_networkManager;
 | 
						|
}
 | 
						|
 | 
						|
void WTML::getData()
 | 
						|
{
 | 
						|
    // https://worldwidetelescope.org/wwtweb/catalog.aspx?X=ImageSets6
 | 
						|
    // https://worldwidetelescope.org/wwtweb/catalog.aspx?W=exploreroot6
 | 
						|
    QUrl url(QString("https://worldwidetelescope.org/wwtweb/catalog.aspx?X=ImageSets6"));
 | 
						|
    m_networkManager->get(QNetworkRequest(url));
 | 
						|
}
 | 
						|
 | 
						|
void WTML::handleReply(QNetworkReply* reply)
 | 
						|
{
 | 
						|
    if (!reply->error())
 | 
						|
    {
 | 
						|
        QXmlStreamReader xmlReader(reply->readAll());
 | 
						|
 | 
						|
        QList<ImageSet> dataSets;
 | 
						|
 | 
						|
        while (!xmlReader.atEnd() && !xmlReader.hasError())
 | 
						|
        {
 | 
						|
            while (xmlReader.readNextStartElement())
 | 
						|
            {
 | 
						|
                if (xmlReader.name() == QLatin1String("Folder"))
 | 
						|
                {
 | 
						|
                    while(xmlReader.readNextStartElement())
 | 
						|
                    {
 | 
						|
                        if (xmlReader.name() == QLatin1String("ImageSet"))
 | 
						|
                        {
 | 
						|
                            QString name = xmlReader.attributes().value("Name").toString();
 | 
						|
                            QString dataSetType = xmlReader.attributes().value("DataSetType").toString();
 | 
						|
 | 
						|
                            if (!name.isEmpty() && !dataSetType.isEmpty())
 | 
						|
                            {
 | 
						|
                                ImageSet imageSet;
 | 
						|
                                imageSet.m_name = name;
 | 
						|
                                imageSet.m_dataSetType = dataSetType;
 | 
						|
                                dataSets.append(imageSet);
 | 
						|
                                //qDebug() << "Adding ImageSet " << name << dataSetType;
 | 
						|
                            }
 | 
						|
 | 
						|
                            // Credits, Thumbnail etc
 | 
						|
                            while(xmlReader.readNextStartElement())
 | 
						|
                            {
 | 
						|
                                xmlReader.skipCurrentElement();
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        else
 | 
						|
                        {
 | 
						|
                            xmlReader.skipCurrentElement();
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                else
 | 
						|
                {
 | 
						|
                    xmlReader.skipCurrentElement();
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        // Ignore "Premature end of document." here even if ok
 | 
						|
        if (!xmlReader.atEnd() && xmlReader.hasError()) {
 | 
						|
            qDebug() << "WTML::handleReply: Error parsing XML: " << xmlReader.errorString();
 | 
						|
        }
 | 
						|
 | 
						|
        emit dataUpdated(dataSets);
 | 
						|
    }
 | 
						|
    else
 | 
						|
    {
 | 
						|
        qDebug() << "WTML::handleReply: error: " << reply->error();
 | 
						|
    }
 | 
						|
    reply->deleteLater();
 | 
						|
}
 |