diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 00513fbf37..ea8e3517d7 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -674,22 +674,14 @@ class EventCreationHandler:
assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
- if event.is_state():
- prev_event = await self.deduplicate_state_event(event, context)
- if prev_event is not None:
- logger.info(
- "Not bothering to persist state event %s duplicated by %s",
- event.event_id,
- prev_event.event_id,
- )
- # we know it was persisted, so must have a stream ordering
- assert prev_event.internal_metadata.stream_ordering
- return prev_event.internal_metadata.stream_ordering
-
- return await self.handle_new_client_event(
+ ev = await self.handle_new_client_event(
requester=requester, event=event, context=context, ratelimit=ratelimit
)
+ # we know it was persisted, so must have a stream ordering
+ assert ev.internal_metadata.stream_ordering
+ return ev.internal_metadata.stream_ordering
+
async def deduplicate_state_event(
self, event: EventBase, context: EventContext
) -> Optional[EventBase]:
@@ -845,8 +837,10 @@ class EventCreationHandler:
context: EventContext,
ratelimit: bool = True,
extra_users: List[UserID] = [],
- ) -> int:
- """Processes a new event. This includes checking auth, persisting it,
+ ) -> EventBase:
+ """Processes a new event.
+
+ This includes deduplicating, checking auth, persisting,
notifying users, sending to remote servers, etc.
If called from a worker will hit out to the master process for final
@@ -860,9 +854,20 @@ class EventCreationHandler:
extra_users: Any extra users to notify about event
Return:
- The stream_id of the persisted event.
+ If the event was deduplicated, the previous, duplicate, event. Otherwise,
+ `event`.
"""
+ if event.is_state():
+ prev_event = await self.deduplicate_state_event(event, context)
+ if prev_event is not None:
+ logger.info(
+ "Not bothering to persist state event %s duplicated by %s",
+ event.event_id,
+ prev_event.event_id,
+ )
+ return prev_event
+
if event.is_state() and (event.type, event.state_key) == (
EventTypes.Create,
"",
@@ -917,13 +922,13 @@ class EventCreationHandler:
)
stream_id = result["stream_id"]
event.internal_metadata.stream_ordering = stream_id
- return stream_id
+ return event
stream_id = await self.persist_and_notify_client_event(
requester, event, context, ratelimit=ratelimit, extra_users=extra_users
)
- return stream_id
+ return event
except Exception:
# Ensure that we actually remove the entries in the push actions
# staging area, if we calculated them.
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
|
