fix: reconnect with old connection

Core/fasthashcalculator.cpp

@@ -9,7 +9,7 @@ FastHashCalculator::FastHashCalculator(QObject *parent) : QObject(parent)
 void FastHashCalculator::calculateHashes(const QString& path, const QString& ignoreName)
 {
     hashList->clear();
-
+    currentSize = 0;
     if(!QDir(path).exists()){
         QDir().mkdir(path);
     }
@@ -18,7 +18,7 @@ void FastHashCalculator::calculateHashes(const QString& path, const QString& ign
     QStringList filter;
     filter << "*";
     QList<FileData> *folders = new QList<FileData>;
-    //QString fullSize = Tools::convertFileSize(getDirectorySize(path),false);
+    fullSize = Tools::convertFileSize(getDirectorySize(path),false);
 
     QDirIterator dirIterator(path,filter, QDir::AllEntries, QDirIterator::Subdirectories);
 
@@ -80,18 +80,45 @@ QByteArray FastHashCalculator::calculateFileHashOptimized(const QString &filePat
             if (!file.open(QIODevice::ReadOnly)) return QByteArray();
 
             QCryptographicHash hash(QCryptographicHash::Md5);
-            const qint64 bufferSize = 2 * 1024; // 2MB
+            const qint64 bufferSize = 2048; // 2MB
+            quint64 completeBytes = 0;
             QByteArray buffer;
             buffer.resize(bufferSize);
 
             while (!file.atEnd()) {
                 qint64 bytesRead = file.read(buffer.data(), bufferSize);
                 hash.addData(buffer.constData(), bytesRead);
+                completeBytes += bytesRead;
             }
 
+            hashCounterDisplay(completeBytes);
             return hash.result();
 }
 
+void FastHashCalculator::hashCounterDisplay(quint64 size)
+{
+    currentSize += size;
+     emit sigSendHashInfo(fullSize,Tools::convertFileSize(currentSize,false));
+}
+
+quint64 FastHashCalculator::getDirectorySize(const QString& path)
+{
+    quint64 totalSize = 0;
+    QDirIterator iterator(path, QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
+
+    while (iterator.hasNext())
+    {
+        iterator.next();
+        QFileInfo fileInfo = iterator.fileInfo();
+        if (fileInfo.isFile())
+        {
+            totalSize += fileInfo.size();
+        }
+    }
+
+    return totalSize;
+}
+
 QList<FileData> *FastHashCalculator::getHashList() const
 {
     return hashList;