internal Yield CreateSubscriptionSet(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
XDoc subscriptionSet = request.ToDocument();
Tuplet <PubSubSubscriptionSet, bool> set = _dispatcher.RegisterSet(subscriptionSet);
XUri locationUri = Self.At("subscribers", set.Item1.Location).Uri.AsPublicUri();
DreamMessage msg = null;
if (set.Item2)
{
// existing subs cause a Conflict with ContentLocation of the sub
msg = DreamMessage.Conflict("The specified owner already has a registered subscription set");
msg.Headers.ContentLocation = locationUri;
}
else
{
// new subs cause a Created with Location of the sub, plus XDoc containing the location
XDoc responseDoc = new XDoc("subscription-set")
.Elem("uri.location", locationUri)
.Elem("access-key", set.Item1.AccessKey);
msg = DreamMessage.Created(locationUri, responseDoc);
msg.Headers.Location = locationUri.With("access-key", set.Item1.AccessKey);
}
response.Return(msg);
yield break;
}
internal Yield PostEntries(DreamContext context, DreamMessage request, Result <DreamMessage> response)
{
if (request.ToDocument().Name != "entry")
{
throw new DreamBadRequestException("invalid format");
}
// prepare entry
XAtomEntry entry = new XAtomEntry(request.ToDocument());
int number = System.Threading.Interlocked.Increment(ref _counter);
XUri link = Self.At(number.ToString());
entry.Id = link;
entry.AddLink(link, XAtomBase.LinkRelation.Edit, null, 0, null);
// update feed
XAtomFeed feed = _feed;
if (feed != null)
{
lock (feed) {
feed.Add(entry);
}
}
else
{
throw new DreamBadRequestException("not initialized");
}
// schedule entry deletion
double seconds = context.GetParam <double>("ttl", _defaultTTL);
if (seconds > 0)
{
TimerFactory.New(TimeSpan.FromSeconds(seconds), AutoDeletePost, number, TaskEnv.Clone());
}
// return updated entry
response.Return(DreamMessage.Created(link, entry));
yield break;
}
