dust3d/application/sources/updates_checker.h

#ifndef DUST3D_APPLICATION_UPDATES_CHECKER_H_
#define DUST3D_APPLICATION_UPDATES_CHECKER_H_

#include <QObject>
#include <QtNetwork>

class UpdatesChecker : public QObject {
    Q_OBJECT
signals:
    void finished();

public:
    struct UpdateItem {
        QString forTags;
        QString version;
        QString humanVersion;
        QString descriptionUrl;
    };

    UpdatesChecker();
    void start();
    bool isLatest() const;
    bool hasError() const;
    const QString& message() const;
    const UpdateItem& matchedUpdateItem() const;
private slots:
    void downloadFinished(QNetworkReply* reply);

private:
    QNetworkAccessManager m_networkAccessManager;
    bool m_isLatest = false;
    QString m_message;
    QString m_latestUrl;
    bool m_hasError = true;
    UpdateItem m_matchedUpdateItem;

    bool parseUpdateInfoXml(const QByteArray& updateInfoXml, std::vector<UpdateItem>* updateItems);
    static bool isVersionLessThan(const QString& version, const QString& compareWith);
};

#endif