gpt4all/gpt4all-chat/download.h

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#ifndef DOWNLOAD_H
#define DOWNLOAD_H
#include <QObject>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QFile>
#include <QVariant>
#include <QTemporaryFile>
#include <QThread>
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struct ModelInfo {
Q_GADGET
Q_PROPERTY(QString filename MEMBER filename)
Q_PROPERTY(QString filesize MEMBER filesize)
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Q_PROPERTY(QByteArray md5sum MEMBER md5sum)
Q_PROPERTY(bool calcHash MEMBER calcHash)
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Q_PROPERTY(bool installed MEMBER installed)
Q_PROPERTY(bool isDefault MEMBER isDefault)
Q_PROPERTY(bool bestGPTJ MEMBER bestGPTJ)
Q_PROPERTY(bool bestLlama MEMBER bestLlama)
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Q_PROPERTY(bool bestMPT MEMBER bestMPT)
Q_PROPERTY(bool isChatGPT MEMBER isChatGPT)
Q_PROPERTY(QString description MEMBER description)
Q_PROPERTY(QString requires MEMBER requires)
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public:
QString filename;
QString filesize;
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QByteArray md5sum;
bool calcHash = false;
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bool installed = false;
bool isDefault = false;
bool bestGPTJ = false;
bool bestLlama = false;
bool bestMPT = false;
bool isChatGPT = false;
QString description;
QString requires;
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};
Q_DECLARE_METATYPE(ModelInfo)
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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, const QString &saveFilePath,
QFile *tempFile, QNetworkReply *modelReply);
Q_SIGNALS:
void hashAndSaveFinished(bool success,
QFile *tempFile, QNetworkReply *modelReply);
private:
QThread m_hashAndSaveThread;
};
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class Download : public QObject
{
Q_OBJECT
Q_PROPERTY(QList<ModelInfo> modelList READ modelList NOTIFY modelListChanged)
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Q_PROPERTY(bool hasNewerRelease READ hasNewerRelease NOTIFY hasNewerReleaseChanged)
Q_PROPERTY(ReleaseInfo releaseInfo READ releaseInfo NOTIFY releaseInfoChanged)
Q_PROPERTY(QString downloadLocalModelsPath READ downloadLocalModelsPath
WRITE setDownloadLocalModelsPath
NOTIFY downloadLocalModelsPathChanged)
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public:
static Download *globalInstance();
QList<ModelInfo> modelList() const;
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ReleaseInfo releaseInfo() const;
bool hasNewerRelease() const;
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Q_INVOKABLE void updateModelList();
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Q_INVOKABLE void updateReleaseNotes();
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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 QString defaultLocalModelsPath() const;
Q_INVOKABLE QString downloadLocalModelsPath() const;
Q_INVOKABLE void setDownloadLocalModelsPath(const QString &modelPath);
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Q_INVOKABLE bool isFirstStart() const;
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private Q_SLOTS:
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void handleSslErrors(QNetworkReply *reply, const QList<QSslError> &errors);
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void handleModelsJsonDownloadFinished();
void handleReleaseJsonDownloadFinished();
void handleErrorOccurred(QNetworkReply::NetworkError code);
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void handleDownloadProgress(qint64 bytesReceived, qint64 bytesTotal);
void handleModelDownloadFinished();
void handleHashAndSaveFinished(bool success,
QFile *tempFile, QNetworkReply *modelReply);
void handleReadyRead();
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Q_SIGNALS:
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal, const QString &modelFile);
void downloadFinished(const QString &modelFile);
void modelListChanged();
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void releaseInfoChanged();
void hasNewerReleaseChanged();
void downloadLocalModelsPathChanged();
void requestHashAndSave(const QString &hash, const QString &saveFilePath,
QFile *tempFile, QNetworkReply *modelReply);
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private:
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void parseModelsJsonFile(const QByteArray &jsonData);
void parseReleaseJsonFile(const QByteArray &jsonData);
QString incompleteDownloadPath(const QString &modelFile);
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HashAndSaveFile *m_hashAndSave;
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QMap<QString, ModelInfo> m_modelMap;
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QMap<QString, ReleaseInfo> m_releaseMap;
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QNetworkAccessManager m_networkManager;
QMap<QNetworkReply*, QFile*> m_activeDownloads;
QString m_downloadLocalModelsPath;
QDateTime m_startTime;
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private:
explicit Download();
~Download() {}
friend class MyDownload;
};
#endif // DOWNLOAD_H