From b520a1bf5a272b04473f485def18a9e6f6e4c3b9 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Fri, 2 Oct 2020 16:45:41 +0100 Subject: De-duplicate duplicate handling move the "duplicate state event" handling down into `handle_new_client_event` where it can be shared between multiple call paths. --- synapse/handlers/room_member.py | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) (limited to 'synapse/handlers/room_member.py') diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index 13b749b7cb..fd8114a64d 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -188,16 +188,6 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): require_consent=require_consent, ) - # Check if this event matches the previous membership event for the user. - duplicate = await self.event_creation_handler.deduplicate_state_event( - event, context - ) - if duplicate is not None: - # Discard the new event since this membership change is a no-op. - # we know it was persisted, so must have a stream ordering. - assert duplicate.internal_metadata.stream_ordering - return duplicate.event_id, duplicate.internal_metadata.stream_ordering - prev_state_ids = await context.get_prev_state_ids() prev_member_event_id = prev_state_ids.get((EventTypes.Member, user_id), None) @@ -222,7 +212,7 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): retry_after_ms=int(1000 * (time_allowed - time_now_s)) ) - stream_id = await self.event_creation_handler.handle_new_client_event( + result_event = await self.event_creation_handler.handle_new_client_event( requester, event, context, extra_users=[target], ratelimit=ratelimit, ) @@ -232,7 +222,9 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): if prev_member_event.membership == Membership.JOIN: await self._user_left_room(target, room_id) - return event.event_id, stream_id + # we know it was persisted, so should have a stream ordering + assert result_event.internal_metadata.stream_ordering + return result_event.event_id, result_event.internal_metadata.stream_ordering async def copy_room_tags_and_direct_to_room( self, old_room_id, new_room_id, user_id @@ -673,12 +665,6 @@ class RoomMemberHandler(metaclass=abc.ABCMeta): else: requester = types.create_requester(target_user) - prev_event = await self.event_creation_handler.deduplicate_state_event( - event, context - ) - if prev_event is not None: - return - prev_state_ids = await context.get_prev_state_ids() if event.membership == Membership.JOIN: if requester.is_guest: @@ -1186,10 +1172,13 @@ class RoomMemberMasterHandler(RoomMemberHandler): context = await self.state_handler.compute_event_context(event) context.app_service = requester.app_service - stream_id = await self.event_creation_handler.handle_new_client_event( + result_event = await self.event_creation_handler.handle_new_client_event( requester, event, context, extra_users=[UserID.from_string(target_user)], ) - return event.event_id, stream_id + # we know it was persisted, so must have a stream ordering + assert result_event.internal_metadata.stream_ordering + + return result_event.event_id, result_event.internal_metadata.stream_ordering async def _user_left_room(self, target: UserID, room_id: str) -> None: """Implements RoomMemberHandler._user_left_room -- cgit 1.4.1