UIManager.h

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#ifndef UIMANAGER_H
#define UIMANAGER_H
 
#include <QMainWindow>
#include <QStackedWidget>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QJsonDocument>
#include <QMessageBox>
#include "loginwidget.h"
#include "AdminWidget.h"
#include "UserWidget.h"
#include "RequestManager.h"
#include "ResponseManager.h"
 
class UIManager : public QObject
{
    Q_OBJECT
 
private:
    QMainWindow*     mainWindow;      
    QStackedWidget*  stackedWidget;   
    LoginWidget*     loginWidget;     
    UserWidget*      userWidget;      
    AdminWidget*     adminWidget;     
    QString          host;            
    quint16          port;            
    QString          first_name;      
    QString          role;            
    QString          message;         
    ResponseManager* responseManager; 
    RequestManager*  requestManager;  
    explicit UIManager(QObject* parent = nullptr);
 
public:
    ~UIManager();
 
    UIManager(const UIManager&) = delete;
 
    void operator=(const UIManager&) = delete;
 
    static UIManager* getInstance(QObject* parent = nullptr);
 
signals:
    void makeRequest(QJsonObject Data);
 
    void requestConnection(const QString& host, quint16 port);
 
    void requestDisconnection();
 
public slots:
    void responseReady(QJsonObject Data);
 
    void requestReady(QJsonObject Data);
 
    void logout();
 
    void createLoginWidget();
 
    void createAdminWidget(QString email, QString first_name);
 
    void createUserWidget(QString email, QString first_name, QString account_number, QString balance);
 
    void onSuccessfullNotification(QString message);
 
    void onFailedNotification(QString message);
 
    void closeAdminWidget();
 
    void closeUserWidget();
 
    void closeLoginWidget();
 
    void connectToTheServer(const QString& host, quint16 port);
 
    void disconnectFromTheServer();
 
    void onConnectionResponse(bool status);
};
 
#endif // UIMANAGER_H