Include whether the requesting user has participated in a thread. (#11577)

Per updates to MSC3440.

This is implement as a separate method since it needs to be cached
on a per-user basis, instead of a per-thread basis.

1 files changed, 3 insertions, 1 deletions

diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py

index da6014900a..31fd329a38 100644
--- a/synapse/rest/client/room.py
+++ b/synapse/rest/client/room.py
@@ -663,7 +663,9 @@ class RoomEventServlet(RestServlet):
 
         if event:
             # Ensure there are bundled aggregations available.
-            aggregations = await self._store.get_bundled_aggregations([event])
+            aggregations = await self._store.get_bundled_aggregations(
+                [event], requester.user.to_string()
+            )
 
             time_now = self.clock.time_msec()
             event_dict = self._event_serializer.serialize_event(