plugins/weatherplugin/weatherwidget.cpp

@@ -1,10 +1,92 @@
 #include "weatherwidget.h"
 
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QUrl>
+#include <QMessageBox>
+#include <QStringBuilder>
+#include <QJsonParseError>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonValue>
+#include <QJsonArray>
+
 #include "mainwindow.h"
+#include "zeiterfassungsettings.h"
+#include "zeiterfassungapi.h"
 
 WeatherWidget::WeatherWidget(MainWindow &mainWindow) :
     QLabel(&mainWindow),
     m_mainWindow(mainWindow)
 {
-    setText(tr("Weather"));
+    setFrameShape(QFrame::Panel);
+    setFrameShadow(QFrame::Sunken);
+
+    connect(&m_mainWindow, &MainWindow::refreshEverything, this, &WeatherWidget::refresh);
+
+    refresh();
+}
+
+void WeatherWidget::refresh()
+{
+    setText(tr("Loading..."));
+
+    auto url = m_mainWindow.settings().value(QStringLiteral("WeatherPlugin/url"),
+    QStringLiteral("http://api.openweathermap.org/data/2.5/weather?q=Graz,AT&units=metric&APPID=40f6c892c6162680c6c9235169dc9f83")).toString();
+
+    m_reply = std::unique_ptr<QNetworkReply>(m_mainWindow.erfassung().manager()->get(QNetworkRequest(QUrl(url))));
+    connect(m_reply.get(), &QNetworkReply::finished, this, &WeatherWidget::finished);
+}
+
+void WeatherWidget::finished()
+{
+    if(m_reply->error() != QNetworkReply::NoError)
+    {
+        qWarning() << m_reply->errorString();
+        setText(tr("Request failed"));
+        goto after;
+    }
+
+    {
+        QJsonParseError error;
+
+        auto document = QJsonDocument::fromJson(m_reply->readAll(), &error);
+        if(error.error != QJsonParseError::NoError)
+        {
+            qWarning() << error.errorString();
+            setText(tr("Parsing failed"));
+            goto after;
+        }
+
+        if(!document.isObject())
+        {
+            setText(tr("Not an json obj"));
+            goto after;
+        }
+
+        auto obj = document.object();
+
+        if(!obj.contains(QStringLiteral("weather")))
+        {
+            qWarning() << "no weather" << obj;
+            setText("No weater found");
+            goto after;
+        }
+
+        if(!obj.contains(QStringLiteral("main")))
+        {
+            qWarning() << "no main" << obj;
+            setText("No main found");
+            goto after;
+        }
+
+        auto weaterObj = obj.value(QStringLiteral("weather")).toArray();
+        auto mainObj = obj.value(QStringLiteral("main")).toObject();
+
+        setText(tr("%0 (%1°C)").arg(weaterObj.first().toObject().value(QStringLiteral("main")).toString())
+                .arg(mainObj.value(QStringLiteral("temp")).toDouble()));
+    }
+
+    after:
+    m_reply = Q_NULLPTR;
 }

plugins/weatherplugin/weatherwidget.h

@@ -1,7 +1,10 @@
 #ifndef WEATHERWIDGET_H
 #define WEATHERWIDGET_H
 
+#include <memory>
+
 #include <QLabel>
+#include <QNetworkReply>
 
 class MainWindow;
 
@@ -12,8 +15,14 @@ class WeatherWidget : public QLabel
 public:
     explicit WeatherWidget(MainWindow &mainWindow);
 
+private Q_SLOTS:
+    void refresh();
+    void finished();
+
 private:
     MainWindow &m_mainWindow;
+
+    std::unique_ptr<QNetworkReply> m_reply;
 };
 
 #endif // WEATHERWIDGET_H