79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*!
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* \brief Class that provides access to a file identified by a section and a name.
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* The file is looked up in the local cache or in the application's resource bundle.
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* This class also handles the synchronization of the local cache with the content
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* provided by a server.
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*
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* \copyright Copyright (c) 2017-2019 Governikus GmbH & Co. KG, Germany
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*/
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#pragma once
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#include "GlobalStatus.h"
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#include <QObject>
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#include <QUrl>
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#include <functional>
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class test_UpdatableFile;
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class test_ReaderConfiguration;
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namespace governikus
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{
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class UpdatableFile
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: public QObject
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{
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Q_OBJECT
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private:
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friend class ::test_UpdatableFile;
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friend class ::test_ReaderConfiguration;
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const QString mSection;
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const QString mName;
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QString mDefaultPath;
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const QString mSectionCachePath;
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const QUrl mUpdateUrl;
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bool mUpdateRunning;
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const QString& getName();
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QDateTime cacheTimestamp() const;
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const QString& getSectionCachePath() const;
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QString qrcPath() const;
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QString cachePath() const;
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QUrl updateUrl(const QString& pSection, const QString& pName);
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QString dirtyFilePath() const;
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QString sectionCachePath(const QString& pSection) const;
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QString makeSectionCachePath(const QString& pSection);
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void cleanupAfterUpdate(const std::function<void()>& pCustomAction);
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bool writeDataToFile(const QByteArray& pData, const QString& pFilePath, bool pOverwrite = false);
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private Q_SLOTS:
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void onDownloadSuccess(const QUrl& pUpdateUrl, const QDateTime& pNewTimestamp, const QByteArray& pData);
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void onDownloadFailed(const QUrl& pUpdateUrl, GlobalStatus::Code pErrorCode);
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void onDownloadUnnecessary(const QUrl& pUpdateUrl);
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public:
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UpdatableFile(const QString& pSection, const QString& pName, const QString& pDefaultPath = QString());
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virtual ~UpdatableFile() = default;
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QUrl lookupUrl();
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QString lookupPath();
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void setDefaultPath(const QString& pPath);
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const QString& getDefaultPath() const;
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void update();
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bool isDirty() const;
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void clearDirty() const;
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void markDirty() const;
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Q_SIGNALS:
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void fireUpdated();
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};
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} // namespace governikus
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