diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/read_marker.py | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/synapse/handlers/read_marker.py b/synapse/handlers/read_marker.py index 6d35e61880..49a497a860 100644 --- a/synapse/handlers/read_marker.py +++ b/synapse/handlers/read_marker.py @@ -16,6 +16,7 @@ import logging from typing import TYPE_CHECKING from synapse.api.constants import ReceiptTypes +from synapse.api.errors import SynapseError from synapse.util.async_helpers import Linearizer if TYPE_CHECKING: @@ -47,12 +48,21 @@ class ReadMarkerHandler: ) should_update = True + # Get event ordering, this also ensures we know about the event + event_ordering = await self.store.get_event_ordering(event_id) if existing_read_marker: - # Only update if the new marker is ahead in the stream - should_update = await self.store.is_event_after( - event_id, existing_read_marker["event_id"] - ) + try: + old_event_ordering = await self.store.get_event_ordering( + existing_read_marker["event_id"] + ) + except SynapseError: + # Old event no longer exists, assume new is ahead. This may + # happen if the old event was removed due to retention. + pass + else: + # Only update if the new marker is ahead in the stream + should_update = event_ordering > old_event_ordering if should_update: content = {"event_id": event_id} |