Settings page was added

services/settingsservice.h

@@ -1,18 +1,40 @@
 #ifndef SETTINGSSERVICE_H
 #define SETTINGSSERVICE_H
 
+#include <QObject>
 #include <QSettings>
 
-class SettingsService
+class SettingsService : public QObject
 {
+    Q_OBJECT
+
+    Q_PROPERTY(QString serverAddress READ serverAddress WRITE setServerAddress NOTIFY serverAddressChanged)
+    Q_PROPERTY(QString selectedUserId READ selectedUserId WRITE setSelectedUserId NOTIFY selectedUserIdChanged)
+
 public:
+    static SettingsService *instance()
+    {
+        static SettingsService i;
+        return &i;
+    }
+
     QVariant value(const QString &key, const QVariant &defaultValue = QVariant()) const;
     void setValue(const QString &key, const QVariant &value);
 
+    QString serverAddress() const;
+    void setServerAddress(const QString &address);
+
     QString selectedUserId() const;
     void setSelectedUserId(const QString &userId);
 
+signals:
+    void serverAddressChanged();
+    void selectedUserIdChanged();
+
 private:
+    SettingsService() = default;
+    ~SettingsService() = default;
+
     QSettings m_settings = QSettings("DedSoft", "BeerLog");
 };