infodatareader.h

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// SPDX-FileCopyrightText: Copyright (C) 2016 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
 
#ifndef SWIFT_CORE_DB_INFODATAREADER_H
#define SWIFT_CORE_DB_INFODATAREADER_H
 
#include <QNetworkReply>
#include <QObject>
#include <QReadWriteLock>
 
#include "core/db/databasereader.h"
#include "core/swiftcoreexport.h"
#include "misc/db/dbinfolist.h"
 
namespace swift::core::db
{
    class SWIFT_CORE_EXPORT CInfoDataReader : public CDatabaseReader
    {
        Q_OBJECT
 
    public:
        explicit CInfoDataReader(QObject *owner, const CDatabaseReaderConfigList &config,
                                 swift::misc::db::CDbFlags::DataRetrievalModeFlag mode);
 
        swift::misc::db::CDbInfoList getInfoObjects() const;
 
        int getInfoObjectCount() const;
 
        bool areAllInfoObjectsRead() const;
 
        void readInfoData();
 
        swift::misc::network::CUrl getInfoObjectsUrl() const;
 
        // data read from local data
        swift::misc::CStatusMessageList readFromJsonFiles(const QString &dir,
                                                          swift::misc::network::CEntityFlags::Entity whatToRead,
                                                          bool overrideNewer) override;
        bool readFromJsonFilesInBackground(const QString &dir, swift::misc::network::CEntityFlags::Entity whatToRead,
                                           bool overrideNewer) override;
 
        // cache handling for base class: no cache handling here in that case
        swift::misc::network::CEntityFlags::Entity getSupportedEntities() const override;
        QDateTime getCacheTimestamp(swift::misc::network::CEntityFlags::Entity entity) const override;
        int getCacheCount(swift::misc::network::CEntityFlags::Entity entity) const override;
        swift::misc::network::CEntityFlags::Entity getEntitiesWithCacheCount() const override;
        swift::misc::network::CEntityFlags::Entity
        getEntitiesWithCacheTimestampNewerThan(const QDateTime &threshold) const override;
        void synchronizeCaches(swift::misc::network::CEntityFlags::Entity entities) override;
        void admitCaches(swift::misc::network::CEntityFlags::Entity entities) override;
 
    protected:
        // cache handling for base class
        void invalidateCaches(swift::misc::network::CEntityFlags::Entity entities) override;
        bool hasChangedUrl(swift::misc::network::CEntityFlags::Entity entity, swift::misc::network::CUrl &oldUrlInfo,
                           swift::misc::network::CUrl &newUrlInfo) const override;
        swift::misc::network::CUrl getDbServiceBaseUrl() const override;
 
    private:
        void parseInfoObjectsData(QNetworkReply *nwReply);
 
        swift::misc::network::CUrl getDbInfoObjectsUrl() const;
 
        swift::misc::network::CUrl getSharedInfoObjectsUrl() const;
 
        swift::misc::network::CEntityFlags::EntityFlag getEntityForMode() const;
 
        void read(swift::misc::network::CEntityFlags::Entity entities,
                  swift::misc::db::CDbFlags::DataRetrievalModeFlag mode, const QDateTime &newerThan) override;
 
        swift::misc::db::CDbFlags::DataRetrievalModeFlag m_mode; 
        swift::misc::db::CDbInfoList m_infoObjects;
        swift::misc::network::CUrl m_urlInfoObjects;
        mutable QReadWriteLock m_lockInfoObjects;
    };
} // namespace swift::core::db
#endif // SWIFT_CORE_DB_INFODATAREADER_H