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fix issue where newly joined room state is not returned to the client

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This commit is contained in:
Tak Wai Wong 2022-10-28 12:58:28 -07:00
parent 69aff372f3
commit e5ae13f541
1 changed files with 7 additions and 1 deletions
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8
syncapi/streams/stream_pdu.go
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@ -252,7 +252,13 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
return r.From, fmt.Errorf("p.DB.RecentEvents: %w", err)
}
recentEvents := snapshot.StreamEventsToEvents(device, recentStreamEvents)
delta.StateEvents = removeDuplicates(delta.StateEvents, recentEvents) // roll back
// Don't remove the state events if this is a newly joined room. The member
// needs the full room state. For example, to figure out if the room is a space
// or not, it needs the m.room.create event which may be chronologically outside
// the filter limit.
if !delta.NewlyJoined {
delta.StateEvents = removeDuplicates(delta.StateEvents, recentEvents) // roll back
}
prevBatch, err := snapshot.GetBackwardTopologyPos(ctx, recentStreamEvents)
if err != nil {
return r.From, fmt.Errorf("p.DB.GetBackwardTopologyPos: %w", err)