File indexing completed on 2024-05-12 05:36:18

 /*
  * SPDX-FileCopyrightText: 2015 David Edmundson <david@davidedmundson.co.uk>
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
  *
  */
 
 #ifndef STATISTICSPROVIDER_H
 #define STATISTICSPROVIDER_H
 
 #include <QObject>
 #include <QPointF>
 #include <QQmlParserStatus>
 
 struct HistoryReply {
 public:
     uint time = 0;
     double value = 0.0;
     uint charging = 0;
 };
 
 Q_DECLARE_METATYPE(HistoryReply)
 
 class StatisticsProvider : public QObject, public QQmlParserStatus
 {
     Q_OBJECT
     Q_INTERFACES(QQmlParserStatus)
 
     Q_PROPERTY(QString device MEMBER m_device WRITE setDevice NOTIFY deviceChanged)
     Q_PROPERTY(uint duration MEMBER m_duration WRITE setDuration NOTIFY durationChanged)
     Q_PROPERTY(HistoryType type MEMBER m_type WRITE setType NOTIFY typeChanged)
 
     Q_PROPERTY(QVariantList points READ asPoints NOTIFY dataChanged)
     Q_PROPERTY(int count READ count NOTIFY dataChanged)
     Q_PROPERTY(int firstDataPointTime READ firstDataPointTime NOTIFY dataChanged)
     Q_PROPERTY(int lastDataPointTime READ lastDataPointTime NOTIFY dataChanged)
     Q_PROPERTY(int largestValue READ largestValue NOTIFY dataChanged)
 
 public:
     enum HistoryType {
         RateType,
         ChargeType,
     };
     Q_ENUM(HistoryType)
 
     enum HistoryRoles {
         TimeRole = Qt::UserRole + 1,
         ValueRole,
         ChargingRole,
     };
 
     explicit StatisticsProvider(QObject *parent = nullptr);
 
     void setDevice(const QString &device);
     void setDuration(uint duration);
     void setType(HistoryType type);
 
     void load();
 
     void classBegin() override;
     void componentComplete() override;
 
     QVariantList asPoints() const;
     int count() const;
 
     int firstDataPointTime() const;
     int lastDataPointTime() const;
     int largestValue() const;
 
 Q_SIGNALS:
     void deviceChanged();
     void typeChanged();
     void durationChanged();
 
     void dataChanged();
 
 public Q_SLOTS:
     void refresh();
 
 private:
     QString m_device;
     HistoryType m_type;
     uint m_duration; // in seconds
 
     QList<HistoryReply> m_values;
     bool m_isComplete = false;
 };
 
 #endif // STATISTICSPROVIDER_H