EntityController.hpp

/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2024 Marco Craveiro <marco.craveiro@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */
#ifndef ORES_QT_ENTITY_CONTROLLER_HPP
#define ORES_QT_ENTITY_CONTROLLER_HPP
 
#include <QObject>
#include <QPointer>
#include <QMainWindow>
#include <QMdiArea>
#include <QString>
#include <QStringList>
#include <QDateTime>
#include <QMap>
#include <memory>
#include <string>
#include <string_view>
#include "ores.qt/ClientManager.hpp"
#include "ores.qt/DetailDialogBase.hpp"
#include "ores.logging/make_logger.hpp"
#include "ores.qt/export.hpp"
 
namespace ores::qt {
 
class DetachableMdiSubWindow;
class EntityListMdiWindow;
 
class ORES_QT_API EntityController : public QObject {
    Q_OBJECT
 
private:
    inline static std::string_view logger_name = "ores.qt.entity_controller";
 
    [[nodiscard]] static auto& lg() {
        using namespace ores::logging;
        static auto instance = make_logger(logger_name);
        return instance;
    }
 
public:
    EntityController(
        QMainWindow* mainWindow,
        QMdiArea* mdiArea,
        ClientManager* clientManager,
        const QString& username,
        std::string_view eventName = {},
        QObject* parent = nullptr);
 
    ~EntityController() override;
 
    void setClientManager(ClientManager* clientManager, const QString& username);
    
    void setUsername(const QString& username) { username_ = username; }
 
    virtual void showListWindow() = 0;
 
    virtual void closeAllWindows() = 0;
 
    void setAutoReloadOnSave(bool enabled) { autoReloadOnSave_ = enabled; }
 
signals:
    void statusMessage(const QString& message);
 
    void errorMessage(const QString& message);
 
    void detachableWindowCreated(DetachableMdiSubWindow* window);
 
    void detachableWindowDestroyed(DetachableMdiSubWindow* window);
 
protected:
    QString build_window_key(const QString& windowType, const QString& identifier) const;
 
    bool try_reuse_window(const QString& key);
 
    void bring_window_to_front(DetachableMdiSubWindow* window);
 
    void track_window(const QString& key, DetachableMdiSubWindow* window);
 
    void untrack_window(const QString& key);
 
    void show_managed_window(DetachableMdiSubWindow* window,
        DetachableMdiSubWindow* referenceWindow = nullptr,
        QPoint offset = QPoint(30, 30));
 
    void connect_dialog_close(DetailDialogBase* dialog, DetachableMdiSubWindow* window);
 
    void register_detachable_window(DetachableMdiSubWindow* window);
 
    virtual EntityListMdiWindow* listWindow() const { return nullptr; }
 
    virtual void reloadListWindow() = 0;
 
    void handleEntitySaved();
 
    void handleEntityDeleted();
 
private slots:
    void onNotificationReceived(const QString& eventType,
                                const QDateTime& timestamp,
                                const QStringList& entityIds,
                                const QString& tenantId);
 
private:
    void setupEventSubscription();
    void teardownEventSubscription();
 
protected:
    QMainWindow* mainWindow_;
    QMdiArea* mdiArea_;
    QPointer<ClientManager> clientManager_;
    QString username_;
 
    QMap<QString, DetachableMdiSubWindow*> managed_windows_;
 
    bool autoReloadOnSave_ = false;
 
private:
    std::string eventName_;
};
 
}
 
#endif