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GlosSI-fork/GloSC/UpdateChecker.cpp
2018-03-18 17:47:26 +01:00

70 lines
2.1 KiB
C++

/*
Copyright 2018 Peter Repukat - FlatspotSoftware
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "UpdateChecker.h"
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonDocument>
#include <QString>
#include <QDesktopServices>
#include <qmessagebox.h>
UpdateChecker::UpdateChecker(QObject* parent) : QObject(parent)
{
}
void UpdateChecker::checkUpdate(int version)
{
version_ = version;
connect(&net_manager_, SIGNAL(finished(QNetworkReply*)), this, SLOT(netRequestFinished(QNetworkReply*)));
net_manager_.get(QNetworkRequest(QUrl(releases_url)));
}
void UpdateChecker::netRequestFinished(QNetworkReply* reply) const
{
if (!reply->error())
{
auto json = QJsonDocument::fromJson(reply->readAll());
if (!json.isNull() && json.isArray())
{
auto last_release_object = json.array()[0].toObject();
auto tag = last_release_object.take("tag_name").toString();
auto tag_substrings = tag.split('.');
if (tag_substrings.length() >= 3)
{
int version = 0;
version = (version << 4) + static_cast<char>(std::atoi(tag_substrings[0].toStdString().data()));
version = (version << 4) + static_cast<char>(std::atoi(tag_substrings[1].toStdString().data()));
version = (version << 4) + static_cast<char>(std::atoi(tag_substrings[2].toStdString().data()));
if (version > version_)
{
if (QMessageBox::information(nullptr,
"GloSC", "There is a new version available!\nDownload now?",
QMessageBox::Yes | QMessageBox::No)
== QMessageBox::Yes)
{
QDesktopServices::openUrl(QUrl(last_release_object.take("html_url").toString()));
}
}
}
}
}
}