Fixed data base info retrieving through DBHelper, value(QString) should never be used because it is really slow. All items sorting should be done at db level or using std::sort.

YACReaderLibrary/comic_files_manager.h

@@ -0,0 +1,37 @@
+#ifndef COMIC_FILES_MANAGER_H
+#define COMIC_FILES_MANAGER_H
+
+#include <QObject>
+#include <QList>
+#include <QPair>
+#include <QModelIndex>
+
+
+//this class is intended to work in background, just use moveToThread and process to start working
+class ComicFilesManager : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ComicFilesManager(QObject *parent = 0);
+    void copyComicsTo(const QList<QPair<QString,QString> > & sourceComics, const QString & folderDest, const QModelIndex &dest);
+    void moveComicsTo(const QList<QPair<QString,QString> > & comics, const QString & folderDest, const QModelIndex &dest);
+    static QList<QPair<QString, QString> > getDroppedFiles(const QList<QUrl> & urls);
+signals:
+    void currentComic(QString);
+    void progress(int);
+    void finished();
+    void success(QModelIndex); //at least one comics has been copied or moved
+public slots:
+    void process();
+    void cancel();
+
+protected:
+    bool move;
+    bool canceled;
+    QList<QPair<QString,QString> > comics;
+    QString folder;
+    QModelIndex folderDestinationModelIndex;
+
+};
+
+#endif // COMIC_FILES_MANAGER_H