57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package streams
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import (
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"context"
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"github.com/matrix-org/dendrite/syncapi/types"
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)
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type SendToDeviceStreamProvider struct {
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StreamProvider
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}
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func (p *SendToDeviceStreamProvider) Setup() {
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p.StreamProvider.Setup()
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id, err := p.DB.MaxStreamPositionForSendToDeviceMessages(context.Background())
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if err != nil {
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panic(err)
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}
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p.latest = id
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}
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func (p *SendToDeviceStreamProvider) CompleteSync(
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ctx context.Context,
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req *types.SyncRequest,
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) types.StreamPosition {
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return p.IncrementalSync(ctx, req, 0, p.LatestPosition(ctx))
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}
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func (p *SendToDeviceStreamProvider) IncrementalSync(
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ctx context.Context,
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req *types.SyncRequest,
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from, to types.StreamPosition,
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) types.StreamPosition {
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// See if we have any new tasks to do for the send-to-device messaging.
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lastPos, events, err := p.DB.SendToDeviceUpdatesForSync(req.Context, req.Device.UserID, req.Device.ID, from, to)
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if err != nil {
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req.Log.WithError(err).Error("p.DB.SendToDeviceUpdatesForSync failed")
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return from
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}
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if len(events) > 0 {
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// Clean up old send-to-device messages from before this stream position.
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if err := p.DB.CleanSendToDeviceUpdates(req.Context, req.Device.UserID, req.Device.ID, from); err != nil {
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req.Log.WithError(err).Error("p.DB.CleanSendToDeviceUpdates failed")
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return from
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}
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// Add the updates into the sync response.
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for _, event := range events {
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req.Response.ToDevice.Events = append(req.Response.ToDevice.Events, event.SendToDeviceEvent)
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}
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}
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return lastPos
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}
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