diff options
Diffstat (limited to 'synapse/handlers/federation.py')
| -rw-r--r-- | synapse/handlers/federation.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index fa7ea63858..dc90a5dde4 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1074,6 +1074,8 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks def get_state_for_pdu(self, room_id, event_id): + """Returns the state at the event. i.e. not including said event. + """ yield run_on_reactor() state_groups = yield self.store.get_state_groups( @@ -1115,6 +1117,34 @@ class FederationHandler(BaseHandler): defer.returnValue([]) @defer.inlineCallbacks + def get_state_ids_for_pdu(self, room_id, event_id): + """Returns the state at the event. i.e. not including said event. + """ + yield run_on_reactor() + + state_groups = yield self.store.get_state_groups_ids( + room_id, [event_id] + ) + + if state_groups: + _, state = state_groups.items().pop() + results = state + + event = yield self.store.get_event(event_id) + if event and event.is_state(): + # Get previous state + if "replaces_state" in event.unsigned: + prev_id = event.unsigned["replaces_state"] + if prev_id != event.event_id: + results[(event.type, event.state_key)] = prev_id + else: + del results[(event.type, event.state_key)] + + defer.returnValue(results.values()) + else: + defer.returnValue([]) + + @defer.inlineCallbacks @log_function def on_backfill_request(self, origin, room_id, pdu_list, limit): in_room = yield self.auth.check_host_in_room(room_id, origin) |