overte-JulianGro/domain-server/src/ContentSettingsBackupHandler.cpp

//
//  ContentSettingsBackupHandler.cpp
//  domain-server/src
//
//  Created by Stephen Birarda on 2/15/18.
//  Copyright 2018 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

#include "ContentSettingsBackupHandler.h"

#include <quazip5/quazip.h>
#include <quazip5/quazipfile.h>

ContentSettingsBackupHandler::ContentSettingsBackupHandler(DomainServerSettingsManager& domainServerSettingsManager) :
    _settingsManager(domainServerSettingsManager)
{
}

static const QString CONTENT_SETTINGS_BACKUP_FILENAME = "content-settings.json";

void ContentSettingsBackupHandler::createBackup(const QString& backupName, QuaZip& zip) {

    // grab the content settings as JSON,excluding default values and values hidden from backup
    QJsonObject contentSettingsJSON = _settingsManager.settingsResponseObjectForType("", true, false, true, false, true);

    // make a QJSonDocument using the object
    QJsonDocument contentSettingsDocument { contentSettingsJSON };

    QuaZipFile zipFile { &zip };

    zipFile.open(QIODevice::WriteOnly, QuaZipNewInfo(CONTENT_SETTINGS_BACKUP_FILENAME));
    zipFile.write(contentSettingsDocument.toJson());
    zipFile.close();

    if (zipFile.getZipError() != UNZ_OK) {
        qCritical().nospace() << "Failed to zip " << CONTENT_SETTINGS_BACKUP_FILENAME << ": " << zipFile.getZipError();
    }
}

void ContentSettingsBackupHandler::recoverBackup(const QString& backupName, QuaZip& zip) {
    if (!zip.setCurrentFile(CONTENT_SETTINGS_BACKUP_FILENAME)) {
        qWarning() << "Failed to find" << CONTENT_SETTINGS_BACKUP_FILENAME << "while recovering backup";
        return;
    }

    QuaZipFile zipFile { &zip };
    if (!zipFile.open(QIODevice::ReadOnly)) {
        qCritical() << "Failed to open" << CONTENT_SETTINGS_BACKUP_FILENAME << "in backup";
        return;
    }

    auto rawData = zipFile.readAll();
    zipFile.close();

    QJsonDocument jsonDocument = QJsonDocument::fromJson(rawData);

    if (!_settingsManager.restoreSettingsFromObject(jsonDocument.object(), ContentSettings)) {
        qCritical() << "Failed to restore settings from" << CONTENT_SETTINGS_BACKUP_FILENAME << "in content archive";
        return;
    }

}