Add comments

This commit is contained in:
Erik Johnston 2016-02-23 14:57:45 +00:00
parent c77dae7a1a
commit 6e0209112b

View file

@ -859,6 +859,8 @@ class PresenceEventSource(object):
user_ids_changed = set()
if from_key and from_key < 100:
# For small deltas, its quicker to get all changes and then
# work out if we share a room or they're in our presence list
changed = stream_change_cache.get_all_entities_changed(from_key)
for other_user_id in changed:
@ -870,6 +872,8 @@ class PresenceEventSource(object):
user_ids_changed.add(other_user_id)
continue
else:
# Too many possible updates. Find all users we can see and check
# if any of them have changed.
user_ids_to_check = set()
for room_id in room_ids:
users = yield self.store.get_users_in_room(room_id)