def json_stream_exists( request: HttpRequest, user_profile: UserProfile, stream_name: Text = REQ("stream"), autosubscribe: bool = REQ(validator=check_bool, default=False) ) -> HttpResponse: check_stream_name(stream_name) try: (stream, recipient, sub) = access_stream_by_name(user_profile, stream_name) except JsonableError as e: return json_error(e.msg, status=404) # access_stream functions return a subscription if and only if we # are already subscribed. result = {"subscribed": sub is not None} # If we got here, we're either subscribed or the stream is public. # So if we're not yet subscribed and autosubscribe is enabled, we # should join. if sub is None and autosubscribe: bulk_add_subscriptions([stream], [user_profile], acting_user=user_profile) result["subscribed"] = True return json_success(result) # results are ignored for HEAD requests
def json_stream_exists(request: HttpRequest, user_profile: UserProfile, stream_name: Text=REQ("stream"), autosubscribe: bool=REQ(validator=check_bool, default=False)) -> HttpResponse: check_stream_name(stream_name) try: (stream, recipient, sub) = access_stream_by_name(user_profile, stream_name) except JsonableError as e: return json_error(e.msg, status=404) # access_stream functions return a subscription if and only if we # are already subscribed. result = {"subscribed": sub is not None} # If we got here, we're either subscribed or the stream is public. # So if we're not yet subscribed and autosubscribe is enabled, we # should join. if sub is None and autosubscribe: bulk_add_subscriptions([stream], [user_profile], acting_user=user_profile) result["subscribed"] = True return json_success(result) # results are ignored for HEAD requests