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Correctly handle the difference between prev and current state

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This commit is contained in:
Erik Johnston 2016-08-31 13:55:02 +01:00
parent 1bb8ec296d
commit c10cb581c6
12 changed files with 102 additions and 69 deletions
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27
synapse/storage/roommember.py
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@ -354,7 +354,8 @@ class RoomMemberStore(SQLBaseStore):
desc="who_forgot"
)
def get_joined_users_from_context(self, room_id, state_group, state_ids):
def get_joined_users_from_context(self, event, context):
state_group = context.state_group
if not state_group:
# If state_group is None it means it has yet to be assigned a
# state group, i.e. we need to make sure that calls with a state_group
@ -363,12 +364,24 @@ class RoomMemberStore(SQLBaseStore):
state_group = object()
return self._get_joined_users_from_context(
room_id, state_group, state_ids
event.room_id, state_group, context.current_state_ids, event=event,
)
def get_joined_users_from_state(self, room_id, state_group, state_ids):
if not state_group:
# If state_group is None it means it has yet to be assigned a
# state group, i.e. we need to make sure that calls with a state_group
# of None don't hit previous cached calls with a None state_group.
# To do this we set the state_group to a new object as object() != object()
state_group = object()
return self._get_joined_users_from_context(
room_id, state_group, state_ids,
)
@cachedInlineCallbacks(num_args=2, cache_context=True)
def _get_joined_users_from_context(self, room_id, state_group, current_state_ids,
cache_context):
cache_context, event=None):
# We don't use `state_group`, its there so that we can cache based
# on it. However, its important that its never None, since two current_state's
# with a state_group of None are likely to be different.
@ -393,7 +406,13 @@ class RoomMemberStore(SQLBaseStore):
desc="_get_joined_users_from_context",
)
defer.returnValue(set(row["user_id"] for row in rows))
users_in_room = set(row["user_id"] for row in rows)
if event is not None and event.type == EventTypes.Member:
if event.membership == Membership.JOIN:
if event.event_id in member_event_ids:
users_in_room.add(event.state_key)
defer.returnValue(users_in_room)
def is_host_joined(self, room_id, host, state_group, state_ids):
if not state_group: