FileCountInfo.h

#ifndef FILECOUNTINFO_H
#define FILECOUNTINFO_H
 
#include <FileInfoProvider.h>
#include <QFuture>
#include <QObject>
#include <QPersistentModelIndex>
 
class FileCountImplWorker : public QObject {
    Q_OBJECT
public:
    explicit FileCountImplWorker(QObject* parent = nullptr)
        : QObject(parent) { }
    ~FileCountImplWorker();
    void deptach_count_task(const QPersistentModelIndex& index, const QString& path);
 
signals:
    void fileCountFinished(QPersistentModelIndex index, int count);
 
private:
    QList<QFuture<void>> results; 
};
 
class FileCountInfo : public QObject, public FileInfoProvider {
    Q_OBJECT
public:
    explicit FileCountInfo(CCIMXFileSystemModel* model, QObject* parent = nullptr);
 
    inline QString provide_section_name() {
        return "fileCounts";
    }
    std::pair<bool, QVariant> data(const QModelIndex& index, int role);
private slots:
    void onHandleWorkFinishJob(QPersistentModelIndex index, int count);
 
private:
    FileCountImplWorker* worker; 
    /* Thanks AI, I solved the persis issue */
    /* These are using in caching the already in s */
    mutable QHash<QPersistentModelIndex, int> cache; 
    mutable QSet<QPersistentModelIndex> requested; 
};
 
#endif // FILECOUNTINFO_H