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Filter events before getting start/end

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Till Faelligen 2023-07-10 15:26:38 +02:00
parent 69b2069dea
commit 0ebea98beb
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GPG key ID: ACCDC9606D472758
1 changed files with 21 additions and 15 deletions
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36
syncapi/routing/messages.go
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@ -359,13 +359,31 @@ func (r *messagesReq) retrieveEvents(ctx context.Context, rsAPI api.SyncRoomserv
return []synctypes.ClientEvent{}, *r.from, *r.to, nil
}
// Apply room history visibility filter
startTime := time.Now()
filteredEvents, err := internal.ApplyHistoryVisibilityFilter(r.ctx, r.snapshot, r.rsAPI, events, nil, r.device.UserID, "messages")
if err != nil {
return []synctypes.ClientEvent{}, *r.from, *r.to, nil
}
logrus.WithFields(logrus.Fields{
"duration": time.Since(startTime),
"room_id": r.roomID,
"events_before": len(events),
"events_after": len(filteredEvents),
}).Debug("applied history visibility (messages)")
// No events left after applying history visibility
if len(filteredEvents) == 0 {
return []synctypes.ClientEvent{}, *r.from, *r.to, nil
}
// Get the position of the first and the last event in the room's topology.
// This position is currently determined by the event's depth, so we could
// also use it instead of retrieving from the database. However, if we ever
// change the way topological positions are defined (as depth isn't the most
// reliable way to define it), it would be easier and less troublesome to
// only have to change it in one place, i.e. the database.
start, end, err = r.getStartEnd(events)
start, end, err = r.getStartEnd(filteredEvents)
if err != nil {
return []synctypes.ClientEvent{}, *r.from, *r.to, err
}
@ -380,24 +398,12 @@ func (r *messagesReq) retrieveEvents(ctx context.Context, rsAPI api.SyncRoomserv
}
return out
}
events = reversed(events)
}
if len(events) == 0 {
return []synctypes.ClientEvent{}, *r.from, *r.to, nil
filteredEvents = reversed(filteredEvents)
}
// Apply room history visibility filter
startTime := time.Now()
filteredEvents, err := internal.ApplyHistoryVisibilityFilter(r.ctx, r.snapshot, r.rsAPI, events, nil, r.device.UserID, "messages")
logrus.WithFields(logrus.Fields{
"duration": time.Since(startTime),
"room_id": r.roomID,
"events_before": len(events),
"events_after": len(filteredEvents),
}).Debug("applied history visibility (messages)")
return synctypes.ToClientEvents(gomatrixserverlib.ToPDUs(filteredEvents), synctypes.FormatAll, func(roomID spec.RoomID, senderID spec.SenderID) (*spec.UserID, error) {
return rsAPI.QueryUserIDForSender(ctx, roomID, senderID)
}), start, end, err
}), start, end, nil
}
func (r *messagesReq) getStartEnd(events []*rstypes.HeaderedEvent) (start, end types.TopologyToken, err error) {