145 lines
4.4 KiB
C++
145 lines
4.4 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
|
|
/*
|
|
* Prism Launcher - Minecraft Launcher
|
|
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, version 3.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
* This file incorporates work covered by the following copyright and
|
|
* permission notice:
|
|
*
|
|
* Copyright 2013-2021 MultiMC Contributors
|
|
*
|
|
* 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 "NewsChecker.h"
|
|
|
|
#include <QByteArray>
|
|
#include <QDomDocument>
|
|
|
|
#include <QDebug>
|
|
|
|
NewsChecker::NewsChecker(shared_qobject_ptr<QNetworkAccessManager> network, const QString& feedUrl)
|
|
{
|
|
m_network = network;
|
|
m_feedUrl = feedUrl;
|
|
}
|
|
|
|
void NewsChecker::reloadNews()
|
|
{
|
|
// Start a netjob to download the RSS feed and call rssDownloadFinished() when it's done.
|
|
if (isLoadingNews()) {
|
|
qDebug() << "Ignored request to reload news. Currently reloading already.";
|
|
return;
|
|
}
|
|
|
|
qDebug() << "Reloading news.";
|
|
|
|
NetJob::Ptr job{ new NetJob("News RSS Feed", m_network) };
|
|
job->addNetAction(Net::Download::makeByteArray(m_feedUrl, newsData));
|
|
QObject::connect(job.get(), &NetJob::succeeded, this, &NewsChecker::rssDownloadFinished);
|
|
QObject::connect(job.get(), &NetJob::failed, this, &NewsChecker::rssDownloadFailed);
|
|
m_newsNetJob.reset(job);
|
|
job->start();
|
|
}
|
|
|
|
void NewsChecker::rssDownloadFinished()
|
|
{
|
|
// Parse the XML file and process the RSS feed entries.
|
|
qDebug() << "Finished loading RSS feed.";
|
|
|
|
m_newsNetJob.reset();
|
|
QDomDocument doc;
|
|
{
|
|
// Stuff to store error info in.
|
|
QString errorMsg = "Unknown error.";
|
|
int errorLine = -1;
|
|
int errorCol = -1;
|
|
|
|
// Parse the XML.
|
|
if (!doc.setContent(*newsData, false, &errorMsg, &errorLine, &errorCol)) {
|
|
QString fullErrorMsg = QString("Error parsing RSS feed XML. %1 at %2:%3.").arg(errorMsg).arg(errorLine).arg(errorCol);
|
|
fail(fullErrorMsg);
|
|
newsData->clear();
|
|
return;
|
|
}
|
|
newsData->clear();
|
|
}
|
|
|
|
// If the parsing succeeded, read it.
|
|
QDomNodeList items = doc.elementsByTagName("entry");
|
|
m_newsEntries.clear();
|
|
for (int i = 0; i < items.length(); i++) {
|
|
QDomElement element = items.at(i).toElement();
|
|
NewsEntryPtr entry;
|
|
entry.reset(new NewsEntry());
|
|
QString errorMsg = "An unknown error occurred.";
|
|
if (NewsEntry::fromXmlElement(element, entry.get(), &errorMsg)) {
|
|
qDebug() << "Loaded news entry" << entry->title;
|
|
m_newsEntries.append(entry);
|
|
} else {
|
|
qWarning() << "Failed to load news entry at index" << i << ":" << errorMsg;
|
|
}
|
|
}
|
|
|
|
succeed();
|
|
}
|
|
|
|
void NewsChecker::rssDownloadFailed(QString reason)
|
|
{
|
|
// Set an error message and fail.
|
|
fail(tr("Failed to load news RSS feed:\n%1").arg(reason));
|
|
}
|
|
|
|
QList<NewsEntryPtr> NewsChecker::getNewsEntries() const
|
|
{
|
|
return m_newsEntries;
|
|
}
|
|
|
|
bool NewsChecker::isLoadingNews() const
|
|
{
|
|
return m_newsNetJob.get() != nullptr;
|
|
}
|
|
|
|
QString NewsChecker::getLastLoadErrorMsg() const
|
|
{
|
|
return m_lastLoadError;
|
|
}
|
|
|
|
void NewsChecker::succeed()
|
|
{
|
|
m_lastLoadError = "";
|
|
qDebug() << "News loading succeeded.";
|
|
m_newsNetJob.reset();
|
|
emit newsLoaded();
|
|
}
|
|
|
|
void NewsChecker::fail(const QString& errorMsg)
|
|
{
|
|
m_lastLoadError = errorMsg;
|
|
qDebug() << "Failed to load news:" << errorMsg;
|
|
m_newsNetJob.reset();
|
|
emit newsLoadingFailed(errorMsg);
|
|
}
|