Download.h

#ifndef CDOWNLOADFILE_H
#define CDOWNLOADFILE_H
 
#include <QUrl>
#include <QFile>
#include <QNetworkAccessManager>
#include <QNetworkReply>
 
#include "rabbitcommon_export.h"
 
namespace RabbitCommon {
 
class RABBITCOMMON_EXPORT CDownload : public QObject
{
    Q_OBJECT
 
public:
    explicit CDownload(QObject *parent = nullptr);
    ~CDownload();
 
    int Start(QVector<QUrl> urls, QString szFileName = QString(), bool bSequence = false);
 
signals:
    void sigFinished(const QString szFile);
    void sigError(int nErr, const QString szErr);
    void sigDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
 
private:
    int DownloadFile(int nIndex, const QUrl &url, bool bRedirection = false);
    int CloseReply(QNetworkReply* pReply, bool bAbort = false);
 
private Q_SLOTS:
    void slotReadyRead();
    void slotError(QNetworkReply::NetworkError e);
    void slotSslError(const QList<QSslError> e);
    void slotDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
    void slotFinished();
 
private:
    bool m_bSequence;
    QString m_szFileName;
    QVector<QUrl> m_Url;
    QVector<QSharedPointer<QFile> > m_DownloadFile;
    bool m_bDownload;
    QNetworkAccessManager m_NetManager;
    QMap<QNetworkReply*, int> m_Reply;
    qint64 m_nBytesReceived;
    QString m_szError;
};
 
} // namespace RabbitCommon
 
#endif // CDOWNLOADFILE_H