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Include joined and invite member counts in room summary (#2315)

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* Include joined and invite member counts in room summary

This should fix #2314 and also fix the problem where some clients like Element Android, Fluffychat etc would display the wrong member count for a given room.

* Improve SQLite query precision

* Check existence of state key for membership events
This commit is contained in:
Neil Alexander 2022-04-01 16:14:38 +01:00 • committed by GitHub
parent 8213b2ba30
commit cd8fac152e
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8 changed files with 72 additions and 4 deletions
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22
syncapi/streams/stream_pdu.go
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@ -253,9 +253,25 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
updateLatestPosition(delta.StateEvents[len(delta.StateEvents)-1].EventID())
}
hasMembershipChange := false
for _, recentEvent := range recentStreamEvents {
if recentEvent.Type() == gomatrixserverlib.MRoomMember && recentEvent.StateKey() != nil {
hasMembershipChange = true
break
}
}
// Work out how many members are in the room.
joinedCount, _ := p.DB.MembershipCount(ctx, delta.RoomID, gomatrixserverlib.Join, latestPosition)
invitedCount, _ := p.DB.MembershipCount(ctx, delta.RoomID, gomatrixserverlib.Invite, latestPosition)
switch delta.Membership {
case gomatrixserverlib.Join:
jr := types.NewJoinResponse()
if hasMembershipChange {
jr.Summary.JoinedMemberCount = &joinedCount
jr.Summary.InvitedMemberCount = &invitedCount
}
jr.Timeline.PrevBatch = &prevBatch
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = limited
@ -367,12 +383,18 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
prevBatch.Decrement()
}
// Work out how many members are in the room.
joinedCount, _ := p.DB.MembershipCount(ctx, roomID, gomatrixserverlib.Join, r.From)
invitedCount, _ := p.DB.MembershipCount(ctx, roomID, gomatrixserverlib.Invite, r.From)
// We don't include a device here as we don't need to send down
// transaction IDs for complete syncs, but we do it anyway because Sytest demands it for:
// "Can sync a room with a message with a transaction id" - which does a complete sync to check.
recentEvents := p.DB.StreamEventsToEvents(device, recentStreamEvents)
stateEvents = removeDuplicates(stateEvents, recentEvents)
jr = types.NewJoinResponse()
jr.Summary.JoinedMemberCount = &joinedCount
jr.Summary.InvitedMemberCount = &invitedCount
jr.Timeline.PrevBatch = prevBatch
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = limited