Don't create subfolder inside temp folder

src/base/bittorrent/session.cpp

@@ -613,11 +613,14 @@ QString Session::tempPath() const
     return Utils::Fs::fromNativePath(m_tempPath);
 }
 
-QString Session::torrentTempPath(const InfoHash &hash) const
+QString Session::torrentTempPath(const TorrentInfo &torrentInfo) const
 {
-    return tempPath()
-            + static_cast<QString>(hash).left(7)
+    if ((torrentInfo.filesCount() > 1) && !torrentInfo.hasRootFolder())
+        return tempPath()
+            + QString::fromStdString(torrentInfo.nativeInfo()->orig_files().name())
             + "/";
+
+    return tempPath();
 }
 
 bool Session::isValidCategoryName(const QString &name)
@@ -1648,7 +1651,7 @@ bool Session::deleteTorrent(const QString &hash, bool deleteLocalFiles)
 
     // Remove it from session
     if (deleteLocalFiles) {
-        if (torrent->savePath(true) == torrentTempPath(torrent->hash())) {
+        if (torrent->savePath(true) == torrentTempPath(torrent->info())) {
             m_savePathsToRemove[torrent->hash()] = torrent->savePath(true);
         }
         else {
@@ -1996,7 +1999,7 @@ bool Session::findIncompleteFiles(TorrentInfo &torrentInfo, QString &savePath) c
 
     bool found = findInDir(savePath, torrentInfo);
     if (!found && isTempPathEnabled()) {
-        savePath = torrentTempPath(torrentInfo.hash());
+        savePath = torrentTempPath(torrentInfo);
         found = findInDir(savePath, torrentInfo);
     }
 
@@ -3698,9 +3701,7 @@ void Session::handleTorrentRemovedAlert(libt::torrent_removed_alert *p)
 
 void Session::handleTorrentDeletedAlert(libt::torrent_deleted_alert *p)
 {
-    const QString path = m_savePathsToRemove.take(p->info_hash);
-    if (path == torrentTempPath(p->info_hash))
-        Utils::Fs::smartRemoveEmptyFolderTree(path);
+    Utils::Fs::smartRemoveEmptyFolderTree(m_savePathsToRemove.take(p->info_hash));
 }
 
 void Session::handleTorrentDeleteFailedAlert(libt::torrent_delete_failed_alert *p)

src/base/bittorrent/session.h

@@ -210,7 +210,7 @@ namespace BitTorrent
         void setTempPath(QString path);
         bool isTempPathEnabled() const;
         void setTempPathEnabled(bool enabled);
-        QString torrentTempPath(const InfoHash &hash) const;
+        QString torrentTempPath(const TorrentInfo &torrentInfo) const;
 
         static bool isValidCategoryName(const QString &name);
         // returns category itself and all top level categories

src/base/bittorrent/torrenthandle.cpp

@@ -1498,7 +1498,7 @@ void TorrentHandle::handleStorageMovedAlert(libtorrent::storage_moved_alert *p)
     }
 
     qDebug("Torrent is successfully moved from %s to %s", qPrintable(m_oldPath), qPrintable(m_newPath));
-    if (QDir(m_oldPath) == QDir(m_session->torrentTempPath(hash()))) {
+    if (QDir(m_oldPath) == QDir(m_session->torrentTempPath(info()))) {
         qDebug() << "Removing torrent temp folder:" << m_oldPath;
         Utils::Fs::smartRemoveEmptyFolderTree(m_oldPath);
     }
@@ -1926,9 +1926,9 @@ void TorrentHandle::adjustActualSavePath_impl()
         path = savePath();
     }
     else {
-        // Moving all downloading torrents to temporary save path
-        path = m_session->torrentTempPath(hash());
-        qDebug() << "Moving torrent to its temp save path:" << path;
+        // Moving all downloading torrents to temporary folder
+        path = m_session->torrentTempPath(info());
+        qDebug() << "Moving torrent to its temporary folder:" << path;
     }
 
     moveStorage(Utils::Fs::toNativePath(path));

src/base/bittorrent/torrentinfo.cpp

@@ -308,9 +308,29 @@ int BitTorrent::TorrentInfo::fileIndex(const QString& fileName) const
     return -1;
 }
 
+bool TorrentInfo::hasRootFolder() const
+{
+    QString testRootFolder;
+    for (int i = 0; i < filesCount(); ++i) {
+        const QString filePath = this->filePath(i);
+        if (QDir::isAbsolutePath(filePath)) continue;
+
+        const auto filePathElements = filePath.splitRef('/');
+        // if at least one file has no root folder, no common root folder exists
+        if (filePathElements.count() <= 1) return false;
+
+        if (testRootFolder.isEmpty())
+            testRootFolder = filePathElements.at(0).toString();
+        else if (testRootFolder != filePathElements.at(0))
+            return false;
+    }
+
+    return true;
+}
+
 void TorrentInfo::stripRootFolder()
 {
-    if (filesCount() <= 1) return;
+    if (!hasRootFolder()) return;
 
     libtorrent::file_storage files = m_nativeInfo->files();
 

src/base/bittorrent/torrentinfo.h

@@ -100,6 +100,8 @@ namespace BitTorrent
         PieceRange filePieces(int fileIndex) const;
 
         void renameFile(uint index, const QString &newPath);
+
+        bool hasRootFolder() const;
         void stripRootFolder();
 
         NativePtr nativeInfo() const;