public void Publish(HttpRequest req, HttpResponse res)
{
var evt = req.ParseJSON<PublishedEvent>();
var eventType = EventFactory.GetPublishedEventType(evt.Name);
var evtData = req.ParseJSON(eventType) as PublishedEvent;
if (evtData == null || eventType == null || evtData == null)
{
res.SendError(StatusCode.BadRequest, "Invalid data");
return;
}
var subs = _subscriptions.Where(sub => sub.SubscribedEvent == evt.Name).ToList();
req.Server.RaiseLogEvent("info", string.Format("event published: {0}", req.RawBody));
// loop for all subscribers have registered for push notification
foreach (var sub in subs)
{
var resource = EventFactory.CreatePublishedResource(evt.Name, sub.ClientId, evtData);
if (!string.IsNullOrEmpty(sub.Endpoint))
{
try
{
WebClient.PostJsonAsync(sub.Endpoint, resource, (responseText) =>
{
req.Server.RaiseLogEvent("info", string.Format("forwarded to subscriber {0}", sub.ClientId));
});
}
catch { }
}
else
_resources.Add(resource);
}
res.SendJson(new { success = true });
}
public void Unsubscribe(HttpRequest req, HttpResponse res)
{
var data = req.ParseJSON<Subscription>();
if (data == null || string.IsNullOrEmpty(data.ClientId) || string.IsNullOrEmpty(data.SubscribedEvent))
{
res.SendError(StatusCode.BadRequest, "Invalid data");
return;
}
_subscriptions.RemoveAll(s => s.ClientId == data.ClientId && s.SubscribedEvent == data.SubscribedEvent);
req.Server.RaiseLogEvent("info", string.Format("subsriber removed: {0}", req.RawBody));
res.SendJson(new { success = true });
}
public void Pull(HttpRequest req, HttpResponse res)
{
var data = req.ParseJSON<Subscription>();
if (data == null || string.IsNullOrEmpty(data.ClientId) || string.IsNullOrEmpty(data.SubscribedEvent))
{
res.SendError(StatusCode.BadRequest, "Invalid data");
return;
}
var pulled = _resources.Where(r => r.ClientId == data.ClientId && r.EventName == data.SubscribedEvent).ToList();
_resources.RemoveAll(r => r.ClientId == data.ClientId && r.EventName == data.SubscribedEvent);
req.Server.RaiseLogEvent("info", string.Format("client {0} pulling...", data.ClientId));
res.SendJson(new {items = pulled});
}
