Switch over /events to use per room caches

1 files changed, 20 insertions, 5 deletions

diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index 58e2d25f97..aca795e1c4 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -1008,15 +1008,30 @@ class RoomEventSource(object):
                 limit=limit,
             )
         else:
-            events, end_key = yield self.store.get_room_events_stream(
-                user_id=user.to_string(),
+            room_events = yield self.store.get_room_changes_for_user(
+                user.to_string(), from_key, to_key
+            )
+
+            room_to_events = yield self.store.get_room_events_stream_for_rooms(
+                room_ids=room_ids,
                 from_key=from_key,
                 to_key=to_key,
-                limit=limit,
-                room_ids=room_ids,
-                is_guest=is_guest,
+                limit=limit or 10,
             )
 
+            events = list(room_events)
+            events.extend(e for evs, _ in room_to_events.values() for e in evs)
+
+            events.sort(key=lambda e: e.internal_metadata.after)
+
+            if limit:
+                events[:] = events[:limit]
+
+            if events:
+                end_key = events[-1].internal_metadata.after
+            else:
+                end_key = to_key
+
         defer.returnValue((events, end_key))
 
     def get_current_key(self, direction='f'):