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Implement /sync limited and read timeline limit from stored filters (#1168)

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* Move filter table to syncapi where it is used

* Implement /sync `limited` and read timeline limit from stored filters

We now fully handle `room.timeline.limit` filters (in-line + stored) and
return the right value for `limited` syncs.

* Update whitelist

* Default to the default timeline limit if it's unset, also strip the extra event correctly

* Update whitelist
This commit is contained in:
Kegsay 2020-06-26 15:34:41 +01:00 • committed by GitHub
parent 164057a3be
commit 1ad7219e4b
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GPG key ID: 4AEE18F83AFDEB23
19 changed files with 194 additions and 135 deletions
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24
syncapi/storage/shared/syncserver.go
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@ -43,6 +43,7 @@ type Database struct {
CurrentRoomState tables.CurrentRoomState
BackwardExtremities tables.BackwardsExtremities
SendToDevice tables.SendToDevice
Filter tables.Filter
SendToDeviceWriter *sqlutil.TransactionWriter
EDUCache *cache.EDUCache
}
@ -78,7 +79,7 @@ func (d *Database) GetEventsInStreamingRange(
}
if backwardOrdering {
// When using backward ordering, we want the most recent events first.
if events, err = d.OutputEvents.SelectRecentEvents(
if events, _, err = d.OutputEvents.SelectRecentEvents(
ctx, nil, roomID, r, limit, false, false,
); err != nil {
return
@ -545,6 +546,18 @@ func (d *Database) addEDUDeltaToResponse(
return
}
func (d *Database) GetFilter(
ctx context.Context, localpart string, filterID string,
) (*gomatrixserverlib.Filter, error) {
return d.Filter.SelectFilter(ctx, localpart, filterID)
}
func (d *Database) PutFilter(
ctx context.Context, localpart string, filter *gomatrixserverlib.Filter,
) (string, error) {
return d.Filter.InsertFilter(ctx, filter, localpart)
}
func (d *Database) IncrementalSync(
ctx context.Context, res *types.Response,
device userapi.Device,
@ -642,7 +655,8 @@ func (d *Database) getResponseWithPDUsForCompleteSync(
// TODO: When filters are added, we may need to call this multiple times to get enough events.
// See: https://github.com/matrix-org/synapse/blob/v0.19.3/synapse/handlers/sync.py#L316
var recentStreamEvents []types.StreamEvent
recentStreamEvents, err = d.OutputEvents.SelectRecentEvents(
var limited bool
recentStreamEvents, limited, err = d.OutputEvents.SelectRecentEvents(
ctx, txn, roomID, r, numRecentEventsPerRoom, true, true,
)
if err != nil {
@ -670,7 +684,7 @@ func (d *Database) getResponseWithPDUsForCompleteSync(
jr := types.NewJoinResponse()
jr.Timeline.PrevBatch = prevBatchStr
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = true
jr.Timeline.Limited = limited
jr.State.Events = gomatrixserverlib.HeaderedToClientEvents(stateEvents, gomatrixserverlib.FormatSync)
res.Rooms.Join[roomID] = *jr
}
@ -776,7 +790,7 @@ func (d *Database) addRoomDeltaToResponse(
// This is all "okay" assuming history_visibility == "shared" which it is by default.
r.To = delta.membershipPos
}
recentStreamEvents, err := d.OutputEvents.SelectRecentEvents(
recentStreamEvents, limited, err := d.OutputEvents.SelectRecentEvents(
ctx, txn, delta.roomID, r,
numRecentEventsPerRoom, true, true,
)
@ -796,7 +810,7 @@ func (d *Database) addRoomDeltaToResponse(
jr.Timeline.PrevBatch = prevBatch.String()
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = false // TODO: if len(events) >= numRecents + 1 and then set limited:true
jr.Timeline.Limited = limited
jr.State.Events = gomatrixserverlib.HeaderedToClientEvents(delta.stateEvents, gomatrixserverlib.FormatSync)
res.Rooms.Join[delta.roomID] = *jr
case gomatrixserverlib.Leave: