beerlog/services/beerservice.h

#ifndef BEERSERVICE_H
#define BEERSERVICE_H

#include <QObject>
#include <QtWebSockets/QWebSocket>

class SettingsService;
class BeerService : public QObject
{
    Q_OBJECT

    Q_PROPERTY(bool connected READ connected NOTIFY connectedChanged)

public:
    static BeerService *instance()
    {
        static BeerService i;
        return &i;
    }

    enum Action
    {
        ActionUndefined = 0,
        ActionGet,
        ActionAdd,
        ActionDelete,
        ActionModify
    };

    void sendCommand(const QString &entity, Action action, const QVariantMap &data = QVariantMap());
    void connectListener(QObject *listener);
    void removeListener(QObject *listener);

signals:
    void connectedChanged();

private:
    BeerService();
    ~BeerService();

    SettingsService *settings() const;

    QString stashFileName() const;
    void saveStash() const;
    void restoreStash();

    void reconnect();
    void sendCommand(const QVariantMap &command);
    bool connected() const;

    QMultiMap<QString, QObject *> m_listeners;

    QWebSocket m_socket;
    QVariantList m_commandStash;
    QMap<Action, QString> m_actions;
};

#endif // BEERSERVICE_H