updater.cpp

#include "updater.h"
#include <QUrlQuery>
#include "aboutdialog.h"
Updater::Updater(QObject *parent) :
    QObject(parent)
{
    manager = new QNetworkAccessManager(this);
    connect(manager, SIGNAL(finished(QNetworkReply*)),
            this, SLOT(replyFinished(QNetworkReply*)));
}

Updater::~Updater()
{
    delete manager;
}

void Updater::checkForUpdates(void)
{
    QNetworkRequest appUpdateCheckReq;
    appUpdateCheckReq.setUrl(QUrl("https://omniedge.io/install/download/check_version.xml"));
    manager->get(appUpdateCheckReq);
}
void Updater::showUpdateNotificationDialog()
{
    INFO(tr("There is a new verision available (") + latestVersion + ")");

    //Show update message
    QMessageBox msgBox;
    msgBox.setWindowTitle(tr("Update available"));
    msgBox.setIcon(QMessageBox::Information);
   // QPushButton changelogBtn(tr("Changelog"));
#ifdef Q_OS_WIN
    msgBox.addButton(QMessageBox::Yes);
    msgBox.addButton(QMessageBox::No);
    msgBox.setDefaultButton(QMessageBox::Yes);
    msgBox.setText(tr("There's a new version ")+ latestVersion + (tr("  available.\n Do you want to update now?")));
#endif
    connect(this, SIGNAL(updateDialogsRejected()), &msgBox, SLOT(reject()));

    int selection = msgBox.exec();
    if(selection == QMessageBox::Yes)
    {
        DownloadUpdateDialog dialog;
        dialog.startDownload(latestVersion);
        dialog.exec();
    }
}
void Updater::showNoUpdateNotificationDialog()
{
    //Show no update message
    QMessageBox msgBox;
    msgBox.setWindowTitle(tr("No Update"));
    msgBox.setIcon(QMessageBox::Information);

    msgBox.addButton(QMessageBox::Yes);
    msgBox.setText(tr("Congrats! You are using the latest version."));
    msgBox.exec();
}
void Updater::rejectNotificationDialogs()
{
    Q_EMIT updateDialogsRejected();
}

void Updater::showChangelog()
{
//    ChangelogDialog changelog;
//    connect(this, SIGNAL(updateDialogsRejected()), &changelog, SLOT(reject()));
//    changelog.exec();
}

void Updater::progressUpdate(int)
{
    Q_EMIT updateProgessRange(0, numPluginsUpdating * 4);
}


void Updater::replyFinished(QNetworkReply *reply)
{
    QString replyText = reply->readAll();
    if(reply->error() != QNetworkReply::NoError)
    {
        //Parse servers response
        QDomDocument doc("error");
        if (!doc.setContent(replyText)) {
            //No XML to parse, user is probably disconnected
            QMessageBox msgBox;
            msgBox.setWindowTitle(tr("Failed to check for updates"));
            msgBox.setIcon(QMessageBox::Warning);
            msgBox.setText(tr("Check version XML response ERROR!"));
            msgBox.exec();
        }else
        {
            QDomElement docElem = doc.documentElement();
            QDomElement message = docElem.firstChildElement("message");
            if(!message.text().isEmpty())
            {
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("Failed to check for updates"));
                msgBox.setIcon(QMessageBox::Warning);
                msgBox.setText(tr("Failed to check for updates.\nError was: ") + message.text());
                msgBox.exec();
            }
        }
    }else
    {
        //This is check_version.xml
        QDomDocument doc("reply");
        if (!doc.setContent(replyText)) {
            return;
        }
        QDomElement docElem = doc.documentElement();
        QDomElement versionElem = docElem.firstChildElement("current_version");
        QDomElement outdatedElem = docElem.firstChildElement("outdated");
        latestVersion = versionElem.text();
        bool outdated = QVariant(outdatedElem.text()).toBool();
        if(outdated  && ( QString::compare(latestVersion, APPVERSION ) > 0 ))
        {
            showUpdateNotificationDialog();
        }
        else
        {
            showNoUpdateNotificationDialog();
        }
    }
}