added connectionController and ConnectionButton.qml

client/ui/controllers/connectionController.h

@@ -0,0 +1,33 @@
+#ifndef CONNECTIONCONTROLLER_H
+#define CONNECTIONCONTROLLER_H
+
+#include "ui/models/servers_model.h"
+#include "ui/models/containers_model.h"
+
+class ConnectionController : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit ConnectionController(const QSharedPointer<ServersModel> &serversModel,
+                                  const QSharedPointer<ContainersModel> &containersModel,
+                                  QObject *parent = nullptr);
+
+public slots:
+    bool onConnectionButtonClicked();
+
+signals:
+    void connectToVpn(int serverIndex, const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig);
+    void disconnectFromVpn();
+
+private:
+    bool openVpnConnection();
+    bool closeVpnConnection();
+
+    QSharedPointer<ServersModel> m_serversModel;
+    QSharedPointer<ContainersModel> m_containersModel;
+
+    bool isConnected = false;
+};
+
+#endif // CONNECTIONCONTROLLER_H