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Cache news feed (#4964)

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Alexandru Ionut Tripon 2026-02-05 10:51:07 +00:00 committed by GitHub
parent 620567e435 2030b481bf
commit 9171e2b2e1
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GPG key ID: B5690EEEBB952194
3 changed files with 16 additions and 9 deletions
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1
launcher/Application.cpp
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@ -1022,6 +1022,7 @@ Application::Application(int& argc, char** argv) : QApplication(argc, argv)
m_metacache->addBase("translations", QDir("translations").absolutePath());
m_metacache->addBase("meta", QDir("meta").absolutePath());
m_metacache->addBase("java", QDir("cache/java").absolutePath());
m_metacache->addBase("feed", QDir("cache/feed").absolutePath());
m_metacache->Load();
qInfo() << "<> Cache initialized.";
}

21
launcher/news/NewsChecker.cpp
View file

@ -39,6 +39,7 @@
#include <QDomDocument>
#include <QDebug>
#include "Application.h"
NewsChecker::NewsChecker(QNetworkAccessManager* network, const QString& feedUrl)
{
@ -54,10 +55,12 @@ void NewsChecker::reloadNews()
return;
}
m_entry = APPLICATION->metacache()->resolveEntry("feed", "feed.xml");
qDebug() << "Reloading news.";
NetJob::Ptr job{ new NetJob("News RSS Feed", m_network) };
job->addNetAction(Net::Download::makeByteArray(m_feedUrl, newsData.get()));
job->addNetAction(Net::Download::makeCached(m_feedUrl, m_entry));
job->setAskRetry(false);
connect(job.get(), &NetJob::succeeded, this, &NewsChecker::rssDownloadFinished);
connect(job.get(), &NetJob::failed, this, &NewsChecker::rssDownloadFailed);
@ -78,14 +81,16 @@ void NewsChecker::rssDownloadFinished()
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;
QFile feed(m_entry->getFullPath());
if (feed.open(QFile::ReadOnly | QFile::Text)) {
QTextStream in(&feed);
// Parse the XML.
if (!doc.setContent(in.readAll(), false, &errorMsg, &errorLine, &errorCol)) {
fail(QString("Error parsing RSS feed XML. %1 at %2:%3.").arg(errorMsg).arg(errorLine).arg(errorCol));
return;
}
}
newsData->clear();
}
// If the parsing succeeded, read it.

3
launcher/news/NewsChecker.h
View file

@ -84,7 +84,8 @@ class NewsChecker : public QObject {
//! True if news has been loaded.
bool m_loadedNews;
std::unique_ptr<QByteArray> newsData = std::make_unique<QByteArray>();
//! The cache entry for the feed.
MetaEntryPtr m_entry;
/*!
* Gets the error message that was given last time the news was loaded.