Fix bug where state events could be requested twice in appservices (#2328)

* Fix bug where state events could be requested twice (should fix #2305)

* Avoid a pointless HTTP request if possible
This commit is contained in:
Neil Alexander 2022-04-06 16:10:31 +01:00 committed by GitHub
parent 850932c7a7
commit 99f2007eb6
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@ -83,20 +83,29 @@ func (s *OutputRoomEventConsumer) onMessage(ctx context.Context, msg *nats.Msg)
return true
}
if output.Type != api.OutputTypeNewRoomEvent {
if output.Type != api.OutputTypeNewRoomEvent || output.NewRoomEvent == nil {
return true
}
events := []*gomatrixserverlib.HeaderedEvent{output.NewRoomEvent.Event}
newEventID := output.NewRoomEvent.Event.EventID()
events := make([]*gomatrixserverlib.HeaderedEvent, 0, len(output.NewRoomEvent.AddsStateEventIDs))
events = append(events, output.NewRoomEvent.Event)
if len(output.NewRoomEvent.AddsStateEventIDs) > 0 {
eventsReq := &api.QueryEventsByIDRequest{
EventIDs: output.NewRoomEvent.AddsStateEventIDs,
EventIDs: make([]string, 0, len(output.NewRoomEvent.AddsStateEventIDs)),
}
eventsRes := &api.QueryEventsByIDResponse{}
if err := s.rsAPI.QueryEventsByID(s.ctx, eventsReq, eventsRes); err != nil {
return false
for _, eventID := range output.NewRoomEvent.AddsStateEventIDs {
if eventID != newEventID {
eventsReq.EventIDs = append(eventsReq.EventIDs, eventID)
}
}
if len(eventsReq.EventIDs) > 0 {
if err := s.rsAPI.QueryEventsByID(s.ctx, eventsReq, eventsRes); err != nil {
return false
}
events = append(events, eventsRes.Events...)
}
events = append(events, eventsRes.Events...)
}
// Send event to any relevant application services