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Only update gamepad mappings if they're newer than what we already have

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This commit is contained in:
Cameron Gutman
2020-11-23 18:31:21 -06:00
parent ae5df938b6
commit 861ebc151a
3 changed files with 52 additions and 9 deletions
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29
app/settings/mappingfetcher.cpp
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@@ -27,9 +27,17 @@ void MappingFetcher::start()
QT_WARNING_POP
#endif
// We'll get a callback when this is finished
QUrl url("https://moonlight-stream.org/SDL_GameControllerDB/gamecontrollerdb.txt");
m_Nam.get(QNetworkRequest(url));
QNetworkRequest request(url);
// Only download the file if it's newer than what we have
QFileInfo existingFileInfo = Path::getCacheFileInfo("gamecontrollerdb.txt");
if (existingFileInfo.exists() && existingFileInfo.size() > 0) {
request.setHeader(QNetworkRequest::IfModifiedSinceHeader, existingFileInfo.lastModified().toUTC());
}
// We'll get a callback when this is finished
m_Nam.get(request);
}
void MappingFetcher::handleMappingListFetched(QNetworkReply* reply)
@@ -40,10 +48,21 @@ void MappingFetcher::handleMappingListFetched(QNetworkReply* reply)
// Queue the reply for deletion
reply->deleteLater();
// Update the cached data on disk for next call to applyMappings()
Path::writeDataFile("gamecontrollerdb.txt", reply->readAll());
// If we get a 304 back, Qt will happily just tell us our request was
// successful and let us try to write our empty response to disk. Check
// the status code directly to prevent this.
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute) == 304) {
qInfo() << "Gamepad mappings are up to date";
}
else {
// Update the cached data on disk for next call to applyMappings()
QByteArray data = reply->readAll();
if (!data.isEmpty()) {
Path::writeCacheFile("gamecontrollerdb.txt", data);
}
qInfo() << "Downloaded updated gamepad mappings";
qInfo() << "Downloaded updated gamepad mappings";
}
}
else {
qWarning() << "Failed to download updated gamepad mappings:" << reply->error();