42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// For license of this file, see <project-root-folder>/LICENSE.md.
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#ifndef CACHEFORSERVICEROOT_H
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#define CACHEFORSERVICEROOT_H
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#include "services/abstract/serviceroot.h"
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#include <QMap>
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#include <QPair>
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#include <QStringList>
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class Mutex;
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class CacheForServiceRoot {
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public:
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explicit CacheForServiceRoot();
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virtual ~CacheForServiceRoot();
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void addMessageStatesToCache(const QList<Message>& ids_of_messages, RootItem::Importance importance);
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void addMessageStatesToCache(const QStringList& ids_of_messages, RootItem::ReadStatus read);
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// Persistently saves/loads cached changes to/from file.
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// NOTE: The whole cache is cleared after save is done and before load is done.
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void saveCacheToFile(int acc_id);
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void loadCacheFromFile(int acc_id);
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virtual void saveAllCachedData(bool async = true) = 0;
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protected:
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QPair<QMap<RootItem::ReadStatus, QStringList>, QMap<RootItem::Importance, QList<Message>>> takeMessageCache();
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Mutex* m_cacheSaveMutex;
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QMap<RootItem::ReadStatus, QStringList> m_cachedStatesRead;
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QMap<RootItem::Importance, QList<Message>> m_cachedStatesImportant;
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private:
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bool isEmpty() const;
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void clearCache();
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};
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#endif // CACHEFORSERVICEROOT_H
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