sdrangel/sdrbase/util/aviationweather.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_AVIATIONWEATHER_H
#define INCLUDE_AVIATIONWEATHER_H
#include <QtCore>
#include <QTimer>
#include "export.h"
#include <cmath>
#include <QDateTime>
class QNetworkAccessManager;
class QNetworkReply;
// Aviation Weather API wrapper
// Allows METAR information to be obtained for a given airport
// Currently supports checkwxapi.com
class SDRBASE_API AviationWeather : public QObject
{
Q_OBJECT
public:
struct METAR {
QString m_icao; // ICAO of reporting station/airport
QString m_text; // Raw METAR text
QDateTime m_dateTime; // Date&time of observation
float m_windDirection; // Direction wind is blowing from, in degrees
float m_windSpeed; // Wind speed in knots
float m_windGusts; // Wind gusts in knots
QString m_visibility; // Visibility in metres (may be non-numeric)
QStringList m_conditions; // Weather conditions (Rain, snow)
float m_ceiling; // Ceiling in feet
QStringList m_clouds; // Cloud types and altitudes
float m_temperature; // Air temperature in Celsuis
float m_dewpoint; // Dewpoint in Celsuius
float m_pressure; // Air pressure in hPa/mb
float m_humidity; // Humidity in %
QString m_flightCateogory; // VFR/MVFR/IFR/LIFR
METAR() :
m_windDirection(NAN),
m_windSpeed(NAN),
m_windGusts(NAN),
m_ceiling(NAN),
m_temperature(NAN),
m_dewpoint(NAN),
m_pressure(NAN),
m_humidity(NAN)
{
}
QString decoded(const QString joinArg="\n") const
{
QStringList s;
if (m_dateTime.isValid()) {
s.append(QString("Observed: %1").arg(m_dateTime.toString()));
}
if (!std::isnan(m_windDirection) && !std::isnan(m_windSpeed)) {
s.append(QString("Wind: %1%2 / %3 knts").arg(m_windDirection).arg(QChar(0xb0)).arg(m_windSpeed));
}
if (!std::isnan(m_windGusts) ) {
s.append(QString("Gusts: %1 knts").arg(m_windGusts));
}
if (!m_visibility.isEmpty()) {
s.append(QString("Visibility: %1 metres").arg(m_visibility));
}
if (!m_conditions.isEmpty()) {
s.append(QString("Conditions: %1").arg(m_conditions.join(", ")));
}
if (!std::isnan(m_ceiling)) {
s.append(QString("Ceiling: %1 ft").arg(m_ceiling));
}
if (!m_clouds.isEmpty()) {
s.append(QString("Clouds: %1").arg(m_clouds.join(", ")));
}
if (!std::isnan(m_temperature)) {
s.append(QString("Temperature: %1 %2C").arg(m_temperature).arg(QChar(0xb0)));
}
if (!std::isnan(m_dewpoint)) {
s.append(QString("Dewpoint: %1 %2C").arg(m_dewpoint).arg(QChar(0xb0)));
}
if (!std::isnan(m_pressure)) {
s.append(QString("Pressure: %1 hPa").arg(m_pressure));
}
if (!std::isnan(m_humidity)) {
s.append(QString("Humidity: %1 %").arg(m_humidity));
}
if (!m_flightCateogory.isEmpty()) {
s.append(QString("Category: %1").arg(m_flightCateogory));
}
return s.join(joinArg);
}
};
protected:
AviationWeather();
public:
static AviationWeather* create(const QString& apiKey, const QString& service="checkwxapi.com");
virtual void getWeather(const QString &icao) = 0;
void getWeatherPeriodically(const QString &, int periodInMins);
public slots:
void update();
signals:
void weatherUpdated(const METAR &metar); // Called when new data available. If no value is available, parameter will be NAN
private:
QTimer m_timer; // Timer for periodic updates
QString m_icao; // Saved airport ICAO for period updates
};
class SDRBASE_API CheckWXAPI : public AviationWeather {
Q_OBJECT
public:
CheckWXAPI(const QString& apiKey);
~CheckWXAPI();
virtual void getWeather(const QString &icao) override;
private:
QString m_apiKey;
QNetworkAccessManager *m_networkManager;
public slots:
void handleReply(QNetworkReply* reply);
};
#endif /* INCLUDE_AVIATIONWEATHER_H */