public void inserts_new_content_for_noncached_feed()
{
string url = "http://new.feed/rss";
var newFeed = prepare_fake_feed();
A.CallTo(
() => _remoteData.ReadRemoteSource(
A <LocalFeedInfo> .That.Matches(x => x.Url == url && x.LastFetch == null))
).Returns(new RemoteContentResponse(true, "new-etag", newFeed, HttpStatusCode.OK));
execute(url);
List <LocalFeedInfo> fromDb = _feedsProvider.Db().LocalFeedInfo.All()
.ToList <LocalFeedInfo>();
Assert.Equal(1, fromDb.Count);
Assert.Equal(newFeed.GetRssString(), fromDb[0].Content);
}
public void UpdateFeed(string url)
{
var db = _localFeedsProvider.Db();
dynamic read_view = GetLocalFeedInfoView(db);
LocalFeedInfo feed = read_view.FindByUrl(url)
?? new LocalFeedInfo
{
Url = url,
};
_log.Debug("Updating {0} feed '{1}'", feed.Id == 0 ? "new" : "existing", url);
RemoteContentResponse remoteResponse = null;
try
{
OnBeforeReadingRemoteSource(db, feed);
remoteResponse = _remoteData.ReadRemoteSource(feed);
}
catch (Exception exc)
{
OnReadingRemoteSourceError(db, feed, remoteResponse, exc);
throw;
}
if (remoteResponse.HasNewContent == false)
{
_log.Debug("Feed '{0}' does not have new content", url);
OnNoNewContentInRemoteSource(db, feed, remoteResponse);
return;
}
bool newFeed = feed.LastFetch == null;
string previousContent = feed.Content ?? string.Empty;
feed.Content = GetFeedStringContent(remoteResponse);
feed.LastFetch = ApplicationTime.Current;
feed.Etag = remoteResponse.Etag;
if (newFeed)
{
_log.Info("Inserting new feed '{0}' to local cache", url);
InsertNewFeed(db, feed, url);
}
else
{
_log.Info("Updating feed '{0}' in local cache", url);
UpdateExistingFeed(db, feed, url);
}
OnFeedUpdated(db, feed, remoteResponse);
if (previousContent.GetHashCode() == feed.Content.GetHashCode())
{
_log.Warn("Wasting resources: updating feed '{0}' with the same content it already had!", url);
}
}