74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// For license of this file, see <project-root-folder>/LICENSE.md.
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#ifndef FEEDDOWNLOADER_H
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#define FEEDDOWNLOADER_H
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#include <QObject>
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#include <QPair>
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#include "core/message.h"
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#include "exceptions/applicationexception.h"
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#include "services/abstract/cacheforserviceroot.h"
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#include "services/abstract/feed.h"
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class MessageFilter;
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class QMutex;
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// Represents results of batch feed updates.
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class FeedDownloadResults {
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public:
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QList<QPair<QString, int>> updatedFeeds() const;
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QString overview(int how_many_feeds) const;
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void appendUpdatedFeed(const QPair<QString, int>& feed);
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void sort();
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void clear();
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private:
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// QString represents title if the feed, int represents count of newly downloaded messages.
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QList<QPair<QString, int>> m_updatedFeeds;
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};
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// This class offers means to "update" feeds and "special" categories.
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// NOTE: This class is used within separate thread.
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class FeedDownloader : public QObject {
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Q_OBJECT
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public:
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explicit FeedDownloader();
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virtual ~FeedDownloader();
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bool isUpdateRunning() const;
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bool isCacheSynchronizationRunning() const;
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public slots:
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void synchronizeAccountCaches(const QList<CacheForServiceRoot*>& caches, bool emit_signals);
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void updateFeeds(const QList<Feed*>& feeds);
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void stopRunningUpdate();
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signals:
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void cachesSynchronized();
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void updateStarted();
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void updateFinished(FeedDownloadResults updated_feeds);
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void updateProgress(const Feed* feed, int current, int total);
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private:
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void skipFeedUpdateWithError(ServiceRoot* acc, Feed* feed, const ApplicationException& ex);
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void updateOneFeed(ServiceRoot* acc,
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Feed* feed,
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const QHash<ServiceRoot::BagOfMessages, QStringList>& stated_messages,
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const QHash<QString, QStringList>& tagged_messages);
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void finalizeUpdate();
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void removeDuplicateMessages(QList<Message>& messages);
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bool m_isCacheSynchronizationRunning;
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bool m_stopCacheSynchronization;
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QList<Feed*> m_feeds = {};
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QMutex* m_mutex;
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FeedDownloadResults m_results;
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int m_feedsUpdated;
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int m_feedsOriginalCount;
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};
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#endif // FEEDDOWNLOADER_H
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