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Diffstat (limited to '')
| -rw-r--r-- | synapse/handlers/device.py | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index 815410969c..6c1b945ff3 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -17,7 +17,7 @@ from synapse.api import errors from synapse.api.constants import EventTypes from synapse.util import stringutils from synapse.util.async import Linearizer -from synapse.types import get_domain_from_id +from synapse.types import get_domain_from_id, RoomStreamToken from twisted.internet import defer from ._base import BaseHandler @@ -243,15 +243,15 @@ class DeviceHandler(BaseHandler): possibly_changed = set(changed) for room_id in rooms_changed: - # Fetch (an approximation) of the current state at the time. - event_rows, token = yield self.store.get_recent_event_ids_for_room( - room_id, end_token=from_token.room_key, limit=1, - ) + # Fetch the current state at the time. + stream_ordering = RoomStreamToken.parse_stream_token(from_token.room_key) - if event_rows: - last_event_id = event_rows[-1]["event_id"] - prev_state_ids = yield self.store.get_state_ids_for_event(last_event_id) - else: + try: + event_ids = yield self.store.get_forward_extremeties_for_room( + room_id, stream_ordering=stream_ordering + ) + prev_state_ids = yield self.store.get_state_ids_for_events(event_ids) + except: prev_state_ids = {} current_state_ids = yield self.state.get_current_state_ids(room_id) |