feature: added pages for subscription settings feature

client/ui/models/api/apiAccountInfoModel.h

@@ -0,0 +1,55 @@
+#ifndef APIACCOUNTINFOMODEL_H
+#define APIACCOUNTINFOMODEL_H
+
+#include <QAbstractListModel>
+#include <QJsonArray>
+#include <QJsonObject>
+
+class ApiAccountInfoModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public:
+    enum Roles {
+        SubscriptionStatusRole = Qt::UserRole + 1,
+        ConnectedDevicesRole,
+        ServiceDescriptionRole,
+        EndDateRole
+    };
+
+    explicit ApiAccountInfoModel(QObject *parent = nullptr);
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+public slots:
+    void updateModel(const QJsonObject &accountInfoObject, const QJsonObject &serverConfig);
+    QVariant data(const QString &roleString);
+
+protected:
+    QHash<int, QByteArray> roleNames() const override;
+
+private:
+    struct CountryInfo
+    {
+        QString serverCountryCode;
+        QString serverCountryName;
+        QString lastUpdated;
+    };
+
+    struct AccountInfoData
+    {
+        QString subscriptionEndDate;
+        int activeDeviceCount;
+        int maxDeviceCount;
+
+        QString vpnKey;
+
+        QVector<CountryInfo> AvailableCountries;
+    };
+
+    AccountInfoData m_accountInfoData;
+};
+
+#endif // APIACCOUNTINFOMODEL_H