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Don't refresh if no lastModified tag in http request

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Atlante45 2015-03-13 20:24:52 +01:00
parent 691b078efc
commit 405301f861
1 changed files with 13 additions and 0 deletions
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13
libraries/networking/src/ResourceCache.cpp
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@ -332,6 +332,10 @@ void Resource::maybeRefresh() {
// We don't need to update, return
return;
}
} else if (!variant.isValid() || !variant.canConvert<QDateTime>() ||
!variant.value<QDateTime>().isValid() || variant.value<QDateTime>().isNull()) {
qDebug() << "Cannot determine when" << _url.fileName() << "was modified last, cached version might be outdated";
return;
}
qDebug() << "Loaded" << _url.fileName() << "from the disk cache but the network version is newer, refreshing.";
refresh();
@ -355,10 +359,19 @@ void Resource::makeRequest() {
} else {
if (Q_LIKELY(NetworkAccessManager::getInstance().cache())) {
QNetworkCacheMetaData metaData = NetworkAccessManager::getInstance().cache()->metaData(_url);
bool needUpdate = false;
if (metaData.expirationDate().isNull() || metaData.expirationDate() <= QDateTime::currentDateTime()) {
// If the expiration date is NULL or in the past,
// put one far enough away that it won't be an issue.
metaData.setExpirationDate(QDateTime::currentDateTime().addYears(100));
needUpdate = true;
}
if (metaData.lastModified().isNull()) {
// If the lastModified date is NULL, set it to now.
metaData.setLastModified(QDateTime::currentDateTime());
needUpdate = true;
}
if (needUpdate) {
NetworkAccessManager::getInstance().cache()->updateMetaData(metaData);
}
}