52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
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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) 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, updates, deletions, err := p.DB.SendToDeviceUpdatesForSync(req.Context, req.Device.UserID, req.Device.ID, req.Since)
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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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// Before we return the sync response, make sure that we take action on
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// any send-to-device database updates or deletions that we need to do.
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// Then add the updates into the sync response.
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if len(updates) > 0 || len(deletions) > 0 {
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// Handle the updates and deletions in the database.
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err = p.DB.CleanSendToDeviceUpdates(context.Background(), updates, deletions, req.Since)
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if 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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}
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if len(events) > 0 {
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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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