Revise getter function for torrrent queue position

This addresses https://github.com/qbittorrent/qBittorrent/pull/14335#issuecomment-774667836

The WebAPI is not affected as a workaround is added.

src/base/bittorrent/session.cpp

@@ -1887,7 +1887,7 @@ bool Session::cancelDownloadMetadata(const InfoHash &hash)
 
 void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentImpl *>;
+    using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType
         , std::vector<ElementType>
         , std::greater<ElementType>> torrentQueue;
@@ -1895,9 +1895,10 @@ void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentImpl *const torrent = m_torrents.value(infoHash);
-        if (torrent && !torrent->isSeed())
-            torrentQueue.emplace(torrent->queuePosition(), torrent);
+        const TorrentImpl *torrent = m_torrents.value(infoHash);
+        if (!torrent) continue;
+        if (const int position = torrent->queuePosition(); position >= 0)
+            torrentQueue.emplace(position, torrent);
     }
 
     // Increase torrents queue position (starting with the one in the highest queue position)
@@ -1913,15 +1914,16 @@ void Session::increaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 
 void Session::decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentImpl *>;
+    using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType> torrentQueue;
 
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentImpl *const torrent = m_torrents.value(infoHash);
-        if (torrent && !torrent->isSeed())
-            torrentQueue.emplace(torrent->queuePosition(), torrent);
+        const TorrentImpl *torrent = m_torrents.value(infoHash);
+        if (!torrent) continue;
+        if (const int position = torrent->queuePosition(); position >= 0)
+            torrentQueue.emplace(position, torrent);
     }
 
     // Decrease torrents queue position (starting with the one in the lowest queue position)
@@ -1940,15 +1942,16 @@ void Session::decreaseTorrentsQueuePos(const QVector<InfoHash> &hashes)
 
 void Session::topTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentImpl *>;
+    using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType> torrentQueue;
 
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentImpl *const torrent = m_torrents.value(infoHash);
-        if (torrent && !torrent->isSeed())
-            torrentQueue.emplace(torrent->queuePosition(), torrent);
+        const TorrentImpl *torrent = m_torrents.value(infoHash);
+        if (!torrent) continue;
+        if (const int position = torrent->queuePosition(); position >= 0)
+            torrentQueue.emplace(position, torrent);
     }
 
     // Top torrents queue position (starting with the one in the lowest queue position)
@@ -1964,7 +1967,7 @@ void Session::topTorrentsQueuePos(const QVector<InfoHash> &hashes)
 
 void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
 {
-    using ElementType = std::pair<int, TorrentImpl *>;
+    using ElementType = std::pair<int, const TorrentImpl *>;
     std::priority_queue<ElementType
         , std::vector<ElementType>
         , std::greater<ElementType>> torrentQueue;
@@ -1972,9 +1975,10 @@ void Session::bottomTorrentsQueuePos(const QVector<InfoHash> &hashes)
     // Sort torrents by queue position
     for (const InfoHash &infoHash : hashes)
     {
-        TorrentImpl *const torrent = m_torrents.value(infoHash);
-        if (torrent && !torrent->isSeed())
-            torrentQueue.emplace(torrent->queuePosition(), torrent);
+        const TorrentImpl *torrent = m_torrents.value(infoHash);
+        if (!torrent) continue;
+        if (const int position = torrent->queuePosition(); position >= 0)
+            torrentQueue.emplace(position, torrent);
     }
 
     // Bottom torrents queue position (starting with the one in the highest queue position)
@@ -2363,7 +2367,7 @@ void Session::saveResumeData()
     }
 }
 
-void Session::saveTorrentsQueue()
+void Session::saveTorrentsQueue() const
 {
     // store hash in textual representation
     QMap<int, QString> queue; // Use QMap since it should be ordered by key
@@ -2390,7 +2394,7 @@ void Session::saveTorrentsQueue()
 #endif
 }
 
-void Session::removeTorrentsQueue()
+void Session::removeTorrentsQueue() const
 {
     const QString filename = QLatin1String {"queue"};
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 10, 0))

src/base/bittorrent/session.h

@@ -632,8 +632,8 @@ namespace BitTorrent
         void createTorrent(const lt::torrent_handle &nativeHandle);
 
         void saveResumeData();
-        void saveTorrentsQueue();
-        void removeTorrentsQueue();
+        void saveTorrentsQueue() const;
+        void removeTorrentsQueue() const;
 
         std::vector<lt::alert *> getPendingAlerts(lt::time_duration time = lt::time_duration::zero()) const;
 

src/base/bittorrent/torrentimpl.cpp

@@ -818,9 +818,7 @@ bool TorrentImpl::hasFilteredPieces() const
 
 int TorrentImpl::queuePosition() const
 {
-    if (m_nativeStatus.queue_position < lt::queue_position_t {0}) return 0;
-
-    return static_cast<int>(m_nativeStatus.queue_position) + 1;
+    return static_cast<int>(m_nativeStatus.queue_position);
 }
 
 QString TorrentImpl::error() const

src/gui/transferlistmodel.cpp

@@ -292,7 +292,7 @@ QString TransferListModel::displayValue(const BitTorrent::Torrent *torrent, cons
 
     const auto queuePositionString = [](const qint64 value) -> QString
     {
-        return (value > 0) ? QString::number(value) : QLatin1String("*");
+        return (value >= 0) ? QString::number(value + 1) : QLatin1String("*");
     };
 
     const auto lastActivityString = [hideValues](qint64 value) -> QString

src/webui/api/serialize/serialize_torrent.cpp

@@ -85,8 +85,24 @@ namespace
 
 QVariantMap serialize(const BitTorrent::Torrent &torrent)
 {
-    QVariantMap ret =
+    const auto adjustQueuePosition = [](const int position) -> int
     {
+        return (position < 0) ? 0 : (position + 1);
+    };
+
+    const auto adjustRatio = [](const qreal ratio) -> qreal
+    {
+        return (ratio > BitTorrent::Torrent::MAX_RATIO) ? -1 : ratio;
+    };
+
+    const auto adjustLastActivity = [&torrent](const qlonglong value) -> qlonglong
+    {
+        return (torrent.isPaused() || torrent.isChecking())
+            ? 0
+            : (QDateTime::currentDateTime().toSecsSinceEpoch() - value);
+    };
+
+    return {
         {KEY_TORRENT_HASH, QString(torrent.hash())},
         {KEY_TORRENT_NAME, torrent.name()},
         {KEY_TORRENT_MAGNET_URI, torrent.createMagnetURI()},
@@ -94,7 +110,7 @@ QVariantMap serialize(const BitTorrent::Torrent &torrent)
         {KEY_TORRENT_PROGRESS, torrent.progress()},
         {KEY_TORRENT_DLSPEED, torrent.downloadPayloadRate()},
         {KEY_TORRENT_UPSPEED, torrent.uploadPayloadRate()},
-        {KEY_TORRENT_QUEUE_POSITION, torrent.queuePosition()},
+        {KEY_TORRENT_QUEUE_POSITION, adjustQueuePosition(torrent.queuePosition())},
         {KEY_TORRENT_SEEDS, torrent.seedsCount()},
         {KEY_TORRENT_NUM_COMPLETE, torrent.totalSeedsCount()},
         {KEY_TORRENT_LEECHS, torrent.leechsCount()},
@@ -125,29 +141,15 @@ QVariantMap serialize(const BitTorrent::Torrent &torrent)
         {KEY_TORRENT_AMOUNT_COMPLETED, torrent.completedSize()},
         {KEY_TORRENT_MAX_RATIO, torrent.maxRatio()},
         {KEY_TORRENT_MAX_SEEDING_TIME, torrent.maxSeedingTime()},
+        {KEY_TORRENT_RATIO, adjustRatio(torrent.realRatio())},
         {KEY_TORRENT_RATIO_LIMIT, torrent.ratioLimit()},
         {KEY_TORRENT_SEEDING_TIME_LIMIT, torrent.seedingTimeLimit()},
         {KEY_TORRENT_LAST_SEEN_COMPLETE_TIME, torrent.lastSeenComplete().toSecsSinceEpoch()},
         {KEY_TORRENT_AUTO_TORRENT_MANAGEMENT, torrent.isAutoTMMEnabled()},
         {KEY_TORRENT_TIME_ACTIVE, torrent.activeTime()},
+        {KEY_TORRENT_LAST_ACTIVITY_TIME, adjustLastActivity(torrent.timeSinceActivity())},
         {KEY_TORRENT_AVAILABILITY, torrent.distributedCopies()},
 
         {KEY_TORRENT_TOTAL_SIZE, torrent.totalSize()}
     };
-
-    const qreal ratio = torrent.realRatio();
-    ret[KEY_TORRENT_RATIO] = (ratio > BitTorrent::Torrent::MAX_RATIO) ? -1 : ratio;
-
-    if (torrent.isPaused() || torrent.isChecking())
-    {
-        ret[KEY_TORRENT_LAST_ACTIVITY_TIME] = 0;
-    }
-    else
-    {
-        const qint64 dt = (QDateTime::currentDateTime().toSecsSinceEpoch()
-            - torrent.timeSinceActivity());
-        ret[KEY_TORRENT_LAST_ACTIVITY_TIME] = dt;
-    }
-
-    return ret;
 }