AbstractStationHandler.h

/* AbstractStationHandler.h */
 
/* Copyright (C) 2011-2024 Michael Lugmair (Lucio Carreras)
 *
 * This file is part of sayonara player
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef SAYONARA_ABSTRACT_STATION_HANDLER_H
#define SAYONARA_ABSTRACT_STATION_HANDLER_H
 
#include "Utils/Pimpl.h"
#include "Utils/Streams/Station.h"
 
#include <QObject>
#include <QList>
 
namespace Playlist
{
    class Creator;
}
 
class StationParserFactory;
 
class AbstractStationHandler :
    public QObject
{
    Q_OBJECT
    PIMPL(AbstractStationHandler)
 
    signals:
        void sigStopped();
        void sigError();
        void sigDataAvailable();
        void sigUrlCountExceeded(int urlCount, int maxUrlCount);
 
    public:
        AbstractStationHandler(Playlist::Creator* playlistCreator,
                               const std::shared_ptr<StationParserFactory>& stationParserFactory,
                               QObject* parent = nullptr);
        ~AbstractStationHandler() override;
 
        bool parseStation(const StationPtr& station);
 
        void addTemporaryStation(const StationPtr& station);
        [[nodiscard]] bool isTemporary(const QString& stationName) const;
 
        [[nodiscard]] StationPtr station(const QString& name);
        bool addNewStation(const StationPtr& station);
        bool removeStation(const QString& name);
        [[nodiscard]] virtual QList<StationPtr> getAllStations() const;
 
        virtual bool updateStation(const QString& name, const StationPtr& station) = 0;
 
        void stop();
 
    protected:
        virtual MetaDataList preprocessPlaylist(const StationPtr& station, MetaDataList tracks) = 0;
        virtual bool saveStation(const StationPtr& station) = 0;
        virtual bool deleteStation(const QString& name) = 0;
        [[nodiscard]] virtual StationPtr fetchStation(const QString& name) = 0;
        [[nodiscard]] virtual QList<StationPtr> fetchAllStations() const = 0;
 
    private:
        void createPlaylist(const StationPtr& station, MetaDataList tracks);
 
    private slots: // NOLINT(readability-redundant-access-specifiers)
        void parserFinished(bool success);
        void parserStopped();
};
 
#endif // SAYONARA_ABSTRACT_STATION_HANDLER_H