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Diffstat (limited to 'examples/positioning/weatherinfo/weatherapibackend.cpp')
| -rw-r--r-- | examples/positioning/weatherinfo/weatherapibackend.cpp | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/examples/positioning/weatherinfo/weatherapibackend.cpp b/examples/positioning/weatherinfo/weatherapibackend.cpp deleted file mode 100644 index a98f7dbb..00000000 --- a/examples/positioning/weatherinfo/weatherapibackend.cpp +++ /dev/null @@ -1,266 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2021 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "weatherapibackend.h" - -#include <QNetworkAccessManager> -#include <QNetworkReply> -#include <QUrlQuery> -#include <QJsonDocument> -#include <QJsonObject> -#include <QJsonValue> -#include <QJsonArray> -#include <QLoggingCategory> - -Q_DECLARE_LOGGING_CATEGORY(requestsLog) - -static QString niceTemperatureString(double t) -{ - return QString::number(qRound(t)) + QChar(0xB0); -} - -/* - Converts weather code to a string that will be used to show the icon. - The possible strings are based on the icon names. The icon name is built up - as follows: - weather-[mystring].png - where [mystring] is the value returned by this method. - Check resources for the full list of available icons. -*/ -static QString weatherCodeToString(int code) -{ - switch (code) { - case 1000: - return "sunny"; - case 1003: - return "sunny-very-few-clouds"; - case 1006: - return "few-clouds"; - case 1009: - return "overcast"; - case 1030: - case 1135: - case 1147: - return "fog"; - case 1063: - case 1072: - case 1150: - case 1153: - case 1168: - case 1171: - case 1180: - case 1183: - case 1186: - case 1189: - case 1198: - return "showers-scattered"; - case 1066: - case 1069: - case 1114: - case 1117: - case 1210: - case 1213: - case 1216: - case 1219: - case 1222: - case 1225: - case 1237: - case 1255: - case 1258: - case 1261: - case 1264: - case 1279: - case 1282: - return "snow"; - case 1087: - return "storm"; - case 1192: - case 1195: - case 1201: - case 1240: - case 1243: - case 1246: - return "showers"; - case 1204: - case 1207: - case 1249: - case 1252: - return "sleet"; - case 1273: - case 1276: - return "thundershower"; - default: - return "sunny"; - } - - return "sunny"; // default choice -} - -static void parseWeatherDescription(const QJsonObject &object, WeatherInfo &info) -{ - const QJsonObject conditionObject = object.value(u"condition").toObject(); - info.m_weatherDescription = conditionObject.value(u"text").toString(); - info.m_weatherIconId = weatherCodeToString(conditionObject.value(u"code").toInt()); -} - -WeatherApiBackend::WeatherApiBackend(QObject *parent) - : ProviderBackend(parent), - m_networkManager(new QNetworkAccessManager(this)), - m_apiKey(QStringLiteral("8edde160c63c4be6b77101828211208")) -{ -} - -void WeatherApiBackend::requestWeatherInfo(const QString &city) -{ - generateWeatherRequest(city, QGeoCoordinate()); -} - -void WeatherApiBackend::requestWeatherInfo(const QGeoCoordinate &coordinate) -{ - const QString coordinateStr = - QString("%1,%2").arg(coordinate.latitude()).arg(coordinate.longitude()); - generateWeatherRequest(coordinateStr, coordinate); -} - -void WeatherApiBackend::handleWeatherForecastReply(QNetworkReply *reply, - const QGeoCoordinate &coordinate) -{ - if (!reply) { - emit errorOccurred(); - return; - } - bool parsed = false; - if (!reply->error()) { - QJsonDocument document = QJsonDocument::fromJson(reply->readAll()); - const QJsonObject documentObject = document.object(); - const QJsonObject locationObject = documentObject.value(u"location").toObject(); - - // extract location name - LocationInfo location; - location.m_name = locationObject.value(u"name").toString(); - if (coordinate.isValid()) - location.m_coordinate = coordinate; - qCDebug(requestsLog) << "Got weather for" << location.m_name; - - // extract current weather - WeatherInfo currentWeather; - - const QJsonObject currentWeatherObject = documentObject.value(u"current").toObject(); - const QJsonValue temperature = currentWeatherObject.value(u"temp_c"); - if (temperature.isDouble()) - currentWeather.m_temperature = niceTemperatureString(temperature.toDouble()); - - parseWeatherDescription(currentWeatherObject, currentWeather); - - parsed = !location.m_name.isEmpty() && !currentWeather.m_temperature.isEmpty(); - - if (parsed) { - QList<WeatherInfo> weatherDetails; - weatherDetails << currentWeather; - - // extract forecast details - const QJsonObject forecastObject = documentObject.value(u"forecast").toObject(); - const QJsonArray forecastDays = forecastObject.value(u"forecastday").toArray(); - for (qsizetype i = 0; i < forecastDays.size(); ++i) { - const QJsonObject dayInfo = forecastDays.at(i).toObject(); - WeatherInfo info; - - const QDateTime dt = - QDateTime::fromSecsSinceEpoch(dayInfo.value(u"date_epoch").toInteger()); - info.m_dayOfWeek = dt.toString(u"ddd"); - - const QJsonObject dayObject = dayInfo.value(u"day").toObject(); - const QJsonValue minTemp = dayObject.value(u"mintemp_c"); - const QJsonValue maxTemp = dayObject.value(u"maxtemp_c"); - if (minTemp.isDouble() && maxTemp.isDouble()) { - info.m_temperature = niceTemperatureString(minTemp.toDouble()) + QChar('/') - + niceTemperatureString(maxTemp.toDouble()); - } else { - qCDebug(requestsLog, "Failed to parse min or max temperature."); - } - - parseWeatherDescription(dayObject, info); - - if (!info.m_temperature.isEmpty() && !info.m_weatherIconId.isEmpty()) - weatherDetails.push_back(info); - } - - emit weatherInformation(location, weatherDetails); - } - } - if (!parsed) { - emit errorOccurred(); - if (reply->error()) - qCDebug(requestsLog) << reply->errorString(); - else - qCDebug(requestsLog, "Failed to parse weather JSON."); - } - - reply->deleteLater(); -} - -void WeatherApiBackend::generateWeatherRequest(const QString &locationString, - const QGeoCoordinate &coordinate) -{ - QUrl url("https://api.weatherapi.com/v1/forecast.json"); - - QUrlQuery query; - query.addQueryItem(QStringLiteral("key"), m_apiKey); - query.addQueryItem(QStringLiteral("q"), locationString); - query.addQueryItem(QStringLiteral("days"), QStringLiteral("4")); - query.addQueryItem(QStringLiteral("aqi"), QStringLiteral("no")); - query.addQueryItem(QStringLiteral("alerts"), QStringLiteral("no")); - - url.setQuery(query); - - QNetworkReply *reply = m_networkManager->get(QNetworkRequest(url)); - connect(reply, &QNetworkReply::finished, this, - [this, reply, coordinate]() { handleWeatherForecastReply(reply, coordinate); }); -} |