Added support for settings

core/settingsservice.h

@@ -0,0 +1,78 @@
+#ifndef SETTINGSSERVICE_H
+#define SETTINGSSERVICE_H
+
+#include <QString>
+#include <QSharedPointer>
+#include <QJsonObject>
+#include <QJsonDocument>
+#include <QMetaProperty>
+
+#include "data/system.h"
+#include "service.h"
+#include "core_global.h"
+
+class CORESHARED_EXPORT SettingsService : public IService
+{
+public:
+    explicit SettingsService(QObject *parent = NULL);
+    SettingsService(const QString &pluginId, QObject *parent = NULL);
+
+
+    template <class T>
+    QSharedPointer<T> loadSettings() {
+        QSharedPointer<System> sys = loadSystem();
+        QObject *objSettings = new T();
+        QSharedPointer<T> settingsObj((T*)objSettings);
+
+        if (sys.isNull())
+        {
+            return settingsObj;
+        }
+
+        QString settingStr = sys->settings();
+        QJsonDocument jsonDoc = QJsonDocument::fromJson(settingStr.toUtf8());
+        QJsonValue val = jsonDoc.object()["Settings"];
+
+        if (!val.isObject())
+        {
+            return settingsObj;
+        }
+
+        for (int i = 0; i < objSettings->metaObject()->propertyCount(); i++)
+        {
+            const char *propName = objSettings->metaObject()->property(i).name();
+            QVariant varVal = val.toObject()[propName].toVariant();
+            objSettings->setProperty(propName, varVal);
+        }
+
+        return settingsObj;
+    }
+
+    template <class T>
+    void saveSettings(QSharedPointer<T> objSettings)
+    {
+        QObject *objSettingsQo = objSettings.data();
+        QJsonDocument jsonDoc;
+        QJsonObject jsonObj;
+
+        for (int i = 0; i < objSettingsQo->metaObject()->propertyCount(); i++)
+        {
+            const char *propName = objSettings->metaObject()->property(i).name();
+            jsonObj[propName] = QJsonValue::fromVariant(objSettingsQo->property(propName));
+        }
+
+        QJsonObject jsonSettings;
+        jsonSettings["Settings"] = jsonObj;
+        jsonDoc.setObject(jsonSettings);
+
+        saveSystem(jsonDoc);
+    }
+
+private:
+    QString m_pluginId;
+    QSharedPointer<QObject> m_settings;
+    QSharedPointer<System> loadSystem();
+    void saveSystem(const QJsonDocument &doc);
+};
+
+#endif // SETTINGSSERVICE_H