public void UpdatedPollerStartedAt(string watchedSubReddit)
{
WatchedSubRedditDocument document = GetWatchedSubRedditDocument(watchedSubReddit);
if (document == null)
{
_logger.LogDebug("Creating WatchedSubRedditDocument for [{SubReddit}]", watchedSubReddit);
document = new WatchedSubRedditDocument
{
PollerStartedAtUtc = DateTime.UtcNow,
SubRedditName = watchedSubReddit,
WatchedTime = TimeSpan.Zero,
LastTickAtUtc = DateTime.UtcNow
};
_context.WatchedSubReddits.InsertOne(document);
}
else
{
var update = Builders <WatchedSubRedditDocument>
.Update
.Set(s => s.PollerStartedAtUtc, DateTime.UtcNow)
.Set(s => s.LastTickAtUtc, DateTime.UtcNow)
;
_context.WatchedSubReddits.UpdateOne(s => s.SubRedditName.Equals(watchedSubReddit), update);
}
}
private WatchedSubRedditDocument GetWatchedSubRedditDocument(string watchedSubReddit)
{
WatchedSubRedditDocument document = _context
.WatchedSubReddits
.Find(s => s.SubRedditName.Equals(watchedSubReddit))
.FirstOrDefault();
return(document);
}
public TimeSpan GetSubRedditWatchedTime(string watchedSubReddit)
{
WatchedSubRedditDocument document = GetWatchedSubRedditDocument(watchedSubReddit);
if (document == null)
{
return(TimeSpan.Zero);
}
return(document.WatchedTime);
}
public TimeSpan UpdateSubRedditWatchedTime(string watchedSubReddit)
{
WatchedSubRedditDocument document = GetWatchedSubRedditDocument(watchedSubReddit);
if (document == null)
{
throw new PostMonitorException($"Inconsistent Database state, trying to update watch time but WatchedSubRedditDocument [{watchedSubReddit}] does not exits");
}
DateTime now = DateTime.UtcNow;
TimeSpan watchedTime = document.WatchedTime + (now - document.LastTickAtUtc);
_logger.LogDebug("Watching [{SubReddit}] for [{WatchedTime}]", watchedSubReddit, watchedTime);
var update = Builders <WatchedSubRedditDocument>
.Update
.Set(s => s.WatchedTime, watchedTime)
.Set(s => s.LastTickAtUtc, now)
;
_context.WatchedSubReddits.UpdateOne(s => s.SubRedditName.Equals(watchedSubReddit), update);
return(watchedTime);
}