Added subscriptions final #181

example/api/src/model/post_query.py

@@ -86,15 +86,10 @@ class PostSubscription(Subscription):
         Subscription.__init__(self)
         self._bus = bus
 
-        async def post_changed():
-            async for event in await self._bus.subscribe("postChange"):
-                print("Event:", event, type(event))
-                yield event
-
         def selector(event: Post, info) -> bool:
-            return True
+            return event.id == 101
 
-        self.subscription_field("postChange", PostGraphType, post_changed, selector)
+        self.subscription_field("postChange", PostGraphType, selector).with_public()
 
 
 class PostMutation(Mutation):