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gpt4all/gpt4all-chat/download.h

99 lines
2.9 KiB
C++

#ifndef DOWNLOAD_H
#define DOWNLOAD_H
#include <QObject>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QFile>
#include <QVariant>
#include <QTemporaryFile>
#include <QThread>
struct ReleaseInfo {
Q_GADGET
Q_PROPERTY(QString version MEMBER version)
Q_PROPERTY(QString notes MEMBER notes)
Q_PROPERTY(QString contributors MEMBER contributors)
public:
QString version;
QString notes;
QString contributors;
};
class HashAndSaveFile : public QObject
{
Q_OBJECT
public:
HashAndSaveFile();
public Q_SLOTS:
void hashAndSave(const QString &hash, QCryptographicHash::Algorithm a, const QString &saveFilePath,
QFile *tempFile, QNetworkReply *modelReply);
Q_SIGNALS:
void hashAndSaveFinished(bool success, const QString &error,
QFile *tempFile, QNetworkReply *modelReply);
private:
QThread m_hashAndSaveThread;
};
class Download : public QObject
{
Q_OBJECT
Q_PROPERTY(bool hasNewerRelease READ hasNewerRelease NOTIFY hasNewerReleaseChanged)
Q_PROPERTY(ReleaseInfo releaseInfo READ releaseInfo NOTIFY releaseInfoChanged)
public:
static Download *globalInstance();
ReleaseInfo releaseInfo() const;
bool hasNewerRelease() const;
Q_INVOKABLE void downloadModel(const QString &modelFile);
Q_INVOKABLE void cancelDownload(const QString &modelFile);
Q_INVOKABLE void installModel(const QString &modelFile, const QString &apiKey);
Q_INVOKABLE void removeModel(const QString &modelFile);
Q_INVOKABLE bool isFirstStart(bool writeVersion = false) const;
public Q_SLOTS:
void updateReleaseNotes();
private Q_SLOTS:
void handleSslErrors(QNetworkReply *reply, const QList<QSslError> &errors);
void handleReleaseJsonDownloadFinished();
void handleErrorOccurred(QNetworkReply::NetworkError code);
void handleDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void handleModelDownloadFinished();
void handleHashAndSaveFinished(bool success, const QString &error,
QFile *tempFile, QNetworkReply *modelReply);
void handleReadyRead();
Q_SIGNALS:
void releaseInfoChanged();
void hasNewerReleaseChanged();
void requestHashAndSave(const QString &hash, QCryptographicHash::Algorithm a, const QString &saveFilePath,
QFile *tempFile, QNetworkReply *modelReply);
private:
void parseReleaseJsonFile(const QByteArray &jsonData);
QString incompleteDownloadPath(const QString &modelFile);
bool hasRetry(const QString &filename) const;
bool shouldRetry(const QString &filename);
void clearRetry(const QString &filename);
HashAndSaveFile *m_hashAndSave;
QMap<QString, ReleaseInfo> m_releaseMap;
QNetworkAccessManager m_networkManager;
QMap<QNetworkReply*, QFile*> m_activeDownloads;
QHash<QString, int> m_activeRetries;
QDateTime m_startTime;
private:
explicit Download();
~Download() {}
friend class MyDownload;
};
#endif // DOWNLOAD_H