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sdrangel/sdrbase/util/rainviewer.cpp

131 lines
5.0 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 "rainviewer.h"
#include <QDebug>
#include <QUrl>
#include <QUrlQuery>
#include <QNetworkReply>
#include <QJsonDocument>
#include <QJsonObject>
RainViewer::RainViewer()
{
connect(&m_timer, &QTimer::timeout, this, &RainViewer::update);
m_networkManager = new QNetworkAccessManager();
QObject::connect(m_networkManager, &QNetworkAccessManager::finished, this, &RainViewer::handleReply);
}
RainViewer::~RainViewer()
{
m_timer.stop();
QObject::disconnect(m_networkManager, &QNetworkAccessManager::finished, this, &RainViewer::handleReply);
delete m_networkManager;
}
void RainViewer::getPathPeriodically(int periodInMins)
{
// Rain maps updated every 10mins
m_timer.setInterval(periodInMins*60*1000);
m_timer.start();
update();
}
void RainViewer::update()
{
getPath();
}
void RainViewer::getPath()
{
QUrl url(QString("https://api.rainviewer.com/public/weather-maps.json"));
m_networkManager->get(QNetworkRequest(url));
}
void RainViewer::handleReply(QNetworkReply* reply)
{
if (reply)
{
if (!reply->error())
{
QJsonDocument document = QJsonDocument::fromJson(reply->readAll());
if (document.isObject())
{
QJsonObject obj = document.object();
QString radarPath = "";
QString satellitePath = "";
if (obj.contains(QStringLiteral("radar")))
{
QJsonValue val = obj.value(QStringLiteral("radar"));
QJsonObject mainObj = val.toObject();
if (mainObj.contains(QStringLiteral("past")))
{
QJsonArray past = mainObj.value(QStringLiteral("past")).toArray();
if (past.size() > 0)
{
QJsonObject mostRecent = past.last().toObject();
if (mostRecent.contains(QStringLiteral("path"))) {
radarPath = mostRecent.value(QStringLiteral("path")).toString();
}
}
}
}
else
{
qDebug() << "RainViewer::handleReply: Object doesn't contain a radar: " << obj;
}
if (obj.contains(QStringLiteral("satellite")))
{
QJsonValue val = obj.value(QStringLiteral("satellite"));
QJsonObject mainObj = val.toObject();
if (mainObj.contains(QStringLiteral("infrared")))
{
QJsonArray ir = mainObj.value(QStringLiteral("infrared")).toArray();
if (ir.size() > 0)
{
QJsonObject mostRecent = ir.last().toObject();
if (mostRecent.contains(QStringLiteral("path"))) {
satellitePath = mostRecent.value(QStringLiteral("path")).toString();
}
}
}
}
else
{
qDebug() << "RainViewer::handleReply: Object doesn't contain a satellite: " << obj;
}
emit pathUpdated(radarPath, satellitePath);
}
else
{
qDebug() << "RainViewer::handleReply: Document is not an object: " << document;
}
}
else
{
qDebug() << "RainViewer::handleReply: error: " << reply->error();
}
reply->deleteLater();
}
else
{
qDebug() << "RainViewer::handleReply: reply is null";
}
}