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If we have state, use it, regardless of memberships which could be stale now

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Neil Alexander 2022-02-07 09:50:54 +00:00
parent 698059185c
commit f8d763a5ad
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1 changed files with 0 additions and 9 deletions
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roomserver/internal/input/input_events.go
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@ -486,16 +486,7 @@ func (r *Inputer) calculateAndSetState(
roomState := state.NewStateResolution(updater, roomInfo) roomState := state.NewStateResolution(updater, roomInfo)
if input.HasState { if input.HasState {
// Check here if we think we're in the room already.
stateAtEvent.Overwrite = true stateAtEvent.Overwrite = true
var joinEventNIDs []types.EventNID
// Request join memberships only for local users only.
if joinEventNIDs, err = updater.GetMembershipEventNIDsForRoom(ctx, roomInfo.RoomNID, true, true); err == nil {
// If we have no local users that are joined to the room then any state about
// the room that we have is quite possibly out of date. Therefore in that case
// we should overwrite it rather than merge it.
stateAtEvent.Overwrite = len(joinEventNIDs) == 0
}
// We've been told what the state at the event is so we don't need to calculate it. // We've been told what the state at the event is so we don't need to calculate it.
// Check that those state events are in the database and store the state. // Check that those state events are in the database and store the state.