talkgroupdatabase.hh

#ifndef TALKGROUPDATABASE_HH
#define TALKGROUPDATABASE_HH
 
#include <QAbstractTableModel>
#include <QNetworkAccessManager>

class TalkGroupDatabase : public QAbstractTableModel
{
  Q_OBJECT

  class TalkGroup {
  public:
    TalkGroup();
    TalkGroup(const QString &name, unsigned number);
    unsigned id;
    QString name;
  };
 
public:
  TalkGroupDatabase(unsigned updatePeriodDays=30, QObject *parent=nullptr);

  qint64 count() const;
  unsigned dbAge() const;

  TalkGroup talkgroup(int index) const;

  bool load();
  bool load(const QString &filename);

  int rowCount(const QModelIndex &parent=QModelIndex()) const;
  int columnCount(const QModelIndex &parent=QModelIndex()) const;
  QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const;
 
signals:
  void loaded();
  void error(const QString &msg);
  void downloadProgress(qint64 loaded, qint64 total);
 
public slots:
  void download();
 
private slots:
  void downloadFinished(QNetworkReply *reply);
 
protected:
  QVector<TalkGroup>    _talkgroups;
  QNetworkAccessManager _network;
};
 
#endif // TALKGROUPDATABASE_HH