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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the E-Bike demo project.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DATASTORE_H
+#define DATASTORE_H
+
+#include <QObject>
+#include <QJsonObject>
+
+class SocketClient;
+class TripDataModel;
+
+class DataStore: public QObject
+{
+    Q_OBJECT
+
+    // Different measured properties
+    Q_PROPERTY(double speed READ speed NOTIFY speedChanged)
+    Q_PROPERTY(double topspeed READ topSpeed NOTIFY topspeedChanged)
+    Q_PROPERTY(double averagespeed READ averageSpeed NOTIFY currentTripChanged)
+    Q_PROPERTY(double odometer READ odometer NOTIFY odometerChanged)
+    Q_PROPERTY(double trip READ trip NOTIFY currentTripChanged)
+    Q_PROPERTY(double calories READ calories NOTIFY currentTripChanged)
+    Q_PROPERTY(double assistdistance READ assistDistance NOTIFY assistdistanceChanged)
+    Q_PROPERTY(double assistpower READ assistPower NOTIFY assistpowerChanged)
+    Q_PROPERTY(double batterylevel READ batteryLevel NOTIFY batterylevelChanged)
+
+    // Toggles for lights and mode
+    Q_PROPERTY(bool lights READ lights WRITE setLights NOTIFY lightsChanged)
+    Q_PROPERTY(Mode mode READ mode WRITE setMode NOTIFY modeChanged)
+
+    // Current units
+    Q_PROPERTY(Unit unit READ unit WRITE setUnit NOTIFY unitChanged)
+    Q_PROPERTY(QString smallUnit READ smallUnit NOTIFY smallUnitChanged)
+
+    // Navigation
+    Q_PROPERTY(int arrow READ arrow NOTIFY arrowChanged)
+    Q_PROPERTY(double legdistance READ legDistance NOTIFY legdistanceChanged)
+    Q_PROPERTY(double tripremaining READ tripRemaining NOTIFY tripremainingChanged)
+
+public:
+    explicit DataStore(QObject *parent = nullptr);
+
+    enum Mode { Cruise, Sport };
+    Q_ENUM(Mode)
+
+    enum Unit { Kmh, Mph };
+    Q_ENUM(Unit)
+
+public:
+    // Getters
+    double speed() const;
+    double topSpeed() const;
+    double averageSpeed() const;
+    double odometer() const;
+    double trip() const;
+    double calories() const;
+    double assistDistance() const;
+    double assistPower() const;
+    double batteryLevel() const;
+    bool lights() const;
+    Mode mode() const;
+    Unit unit() const;
+    int arrow() const;
+    double legDistance() const;
+    double tripRemaining() const;
+    QString smallUnit() const;
+
+    // Setters
+    void setLights(bool lights);
+    void setMode(Mode mode);
+    void setUnit(Unit unit);
+
+    // Get trip data model
+    TripDataModel *tripDataModel() const { return m_trips; }
+
+    // Convert speed and distance to proper units
+    Q_INVOKABLE double convertSpeed(double speed) const;
+    Q_INVOKABLE double convertDistance(double distance) const;
+    Q_INVOKABLE double convertSmallDistance(double distance) const;
+    Q_INVOKABLE QString getSmallUnit() const;
+
+    // Split and convert distance and duration to value and unit
+    Q_INVOKABLE QJsonObject splitDistance(double distance, bool round=false) const;
+    Q_INVOKABLE QJsonObject splitDuration(double duration) const;
+
+private:
+    void emitByName(const QString &valuename);
+
+signals:
+    void speedChanged();
+    void topspeedChanged();
+    void averagespeedChanged();
+    void odometerChanged();
+    void tripChanged();
+    void caloriesChanged();
+    void assistdistanceChanged();
+    void assistpowerChanged();
+    void batterylevelChanged();
+    void lightsChanged();
+    void modeChanged();
+    void unitChanged();
+    void arrowChanged();
+    void legdistanceChanged();
+    void tripremainingChanged();
+    void currentTripChanged();
+    void smallUnitChanged(QString smallUnit);
+    void demoReset();
+
+public slots:
+    void connectToServer(const QString &servername);
+    void getTrips();
+    void endTrip();
+    void toggleMode();
+    void resetDemo();
+
+private slots:
+    void requestStatus();
+    void parseMessage(const QJsonObject &message);
+
+private:
+    SocketClient *m_client;
+    QJsonObject m_properties;
+    QJsonObject m_current;
+    Unit m_unit;
+    TripDataModel *m_trips;
+    int m_smallUnit;
+};
+
+#endif // DATASTORE_H