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pilotclient/src/blackcore/db/airportdatareader.h

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/* Copyright (C) 2016
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
* or distributed except according to the terms contained in the LICENSE file.
*/
//! \file
#ifndef BLACKCORE_AIRPORTDATAREADER_H
#define BLACKCORE_AIRPORTDATAREADER_H
#include "blackcore/blackcoreexport.h"
#include "blackcore/data/dbcaches.h"
#include "blackcore/db/databasereader.h"
#include "blackmisc/aviation/airportlist.h"
#include "blackmisc/network/entityflags.h"
#include <QNetworkAccessManager>
#include <atomic>
namespace BlackCore
{
namespace Db
{
//! Reader for airport database data.
class BLACKCORE_EXPORT CAirportDataReader : public CDatabaseReader
{
Q_OBJECT
public:
//! Constructor
CAirportDataReader(QObject *parent, const CDatabaseReaderConfigList &config);
//! Returns a list of all airports in the database.
//! \threadsafe
BlackMisc::Aviation::CAirportList getAirports() const;
//! Returns airport for designator (or default)
//! \threadsafe
BlackMisc::Aviation::CAirport getAirportForIcaoDesignator(const QString &designator) const;
//! Get airports for location
//! \threadsafe
BlackMisc::Aviation::CAirport getAirportForNameOrLocation(const QString &location) const;
//! Returns a list of all airports in the database.
//! \threadsafe
int getAirportsCount() const;
// data read from local data
virtual BlackMisc::CStatusMessageList readFromJsonFiles(const QString &dir, BlackMisc::Network::CEntityFlags::Entity whatToRead, bool overrideNewerOnly) override;
virtual bool readFromJsonFilesInBackground(const QString &dir, BlackMisc::Network::CEntityFlags::Entity whatToRead, bool overrideNewerOnly) override;
// base class overrides
virtual BlackMisc::Network::CEntityFlags::Entity getSupportedEntities() const override;
virtual QDateTime getCacheTimestamp(BlackMisc::Network::CEntityFlags::Entity entities) const override;
virtual int getCacheCount(BlackMisc::Network::CEntityFlags::Entity entity) const override;
virtual BlackMisc::Network::CEntityFlags::Entity getEntitiesWithCacheCount() const override;
virtual BlackMisc::Network::CEntityFlags::Entity getEntitiesWithCacheTimestampNewerThan(const QDateTime &threshold) const override;
virtual void synchronizeCaches(BlackMisc::Network::CEntityFlags::Entity entities) override;
virtual void admitCaches(BlackMisc::Network::CEntityFlags::Entity entities) override;
protected:
// base class overrides
virtual void invalidateCaches(BlackMisc::Network::CEntityFlags::Entity entities) override;
virtual bool hasChangedUrl(BlackMisc::Network::CEntityFlags::Entity entity, BlackMisc::Network::CUrl &oldUrlInfo, BlackMisc::Network::CUrl &newUrlInfo) const override;
virtual BlackMisc::Network::CUrl getDbServiceBaseUrl() const override;
private:
BlackMisc::CData<BlackCore::Data::TDbAirportCache> m_airportCache {this, &CAirportDataReader::airportCacheChanged}; //!< cache file
std::atomic_bool m_syncedAirportCache { false }; //!< already synchronized?
//! Reader URL (we read from where?) used to detect changes of location
BlackMisc::CData<BlackCore::Data::TDbModelReaderBaseUrl> m_readerUrlCache {this, &CAirportDataReader::baseUrlCacheChanged };
//! \copydoc CDatabaseReader::read
void read(BlackMisc::Network::CEntityFlags::Entity entity, BlackMisc::Db::CDbFlags::DataRetrievalModeFlag mode, const QDateTime &newerThan) override;
//! Parse downloaded JSON file
void parseAirportData(QNetworkReply *nwReplyPtr);
//! Airport cache changed
void airportCacheChanged();
//! Base url cache changed
void baseUrlCacheChanged();
//! Update reader URL
void updateReaderUrl(const BlackMisc::Network::CUrl &url);
//! URL for airport list
BlackMisc::Network::CUrl getAirportsUrl(BlackMisc::Db::CDbFlags::DataRetrievalModeFlag mode) const;
};
}
} // ns
#endif // guard