presencemodel.h

#ifndef PRESENCEMODEL_H
#define PRESENCEMODEL_H

#include "sqlite3helper.h"

struct PresenceItem
{
    int         id;
    QDateTime   time;
    QStringList presences;
};

class PresenceModel : public QAbstractTableModel
{
    Q_OBJECT
public:
    explicit PresenceModel(QObject *parent = 0, Sqlite3HelperPtr sqlite3Helper = nullptr);
    virtual ~PresenceModel();

    virtual QModelIndex   index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    virtual int           rowCount(const QModelIndex &parent = QModelIndex()) const;
    virtual int           columnCount(const QModelIndex &parent = QModelIndex()) const;
    virtual QVariant      data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    virtual Qt::ItemFlags flags(const QModelIndex &index) const;
    virtual QVariant      headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;

    void requestReceivedPresenceBuddyList();
signals:
    void receivedPresenceBuddyList(QStringList);
    void gotPresences(QStringList, QList<QSharedPointer<PresenceItem>>);
    void resizeTableCells(int, int);
public slots:
    void onDatabaseCreated(const QString &dbFile);
    void onSelectedJIDChanged(const QString &text);
    void onGetPrsences(QStringList jidList, QList<QSharedPointer<PresenceItem>> presences);

private:
    Sqlite3HelperPtr                    m_sqlite3Helper;
    QMutex                              m_mutex;
    QString                             m_dbFile;
    QStringList                         m_fullJIDList;
    QList<QSharedPointer<PresenceItem>> m_presences;
    void                                doRequestReceivedPresenceBuddyList();
    void                                doQueryPresence(const QString &jid);
};

#endif // PRESENCEMODEL_H