mirror of
https://github.com/matrix-org/dendrite
synced 2024-11-16 14:50:52 +01:00
d32f60249d
This now uses a transaction per stream, so that errors in one stream don't propagate to another, and we therefore no longer need to do hacks to reopen a new transaction after aborting a failed one.
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
package streams
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import (
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"context"
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"github.com/matrix-org/dendrite/syncapi/storage"
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"github.com/matrix-org/dendrite/syncapi/types"
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)
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type NotificationDataStreamProvider struct {
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DefaultStreamProvider
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}
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func (p *NotificationDataStreamProvider) Setup(
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ctx context.Context, snapshot storage.DatabaseTransaction,
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) {
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p.DefaultStreamProvider.Setup(ctx, snapshot)
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p.latestMutex.Lock()
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defer p.latestMutex.Unlock()
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id, err := snapshot.MaxStreamPositionForNotificationData(ctx)
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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 *NotificationDataStreamProvider) CompleteSync(
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ctx context.Context,
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snapshot storage.DatabaseTransaction,
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req *types.SyncRequest,
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) types.StreamPosition {
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return p.IncrementalSync(ctx, snapshot, req, 0, p.LatestPosition(ctx))
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}
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func (p *NotificationDataStreamProvider) IncrementalSync(
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ctx context.Context,
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snapshot storage.DatabaseTransaction,
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req *types.SyncRequest,
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from, _ types.StreamPosition,
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) types.StreamPosition {
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// Get the unread notifications for rooms in our join response.
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// This is to ensure clients always have an unread notification section
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// and can display the correct numbers.
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countsByRoom, err := snapshot.GetUserUnreadNotificationCountsForRooms(ctx, req.Device.UserID, req.Rooms)
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if err != nil {
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req.Log.WithError(err).Error("GetUserUnreadNotificationCountsForRooms failed")
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return from
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}
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// We're merely decorating existing rooms.
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for roomID, jr := range req.Response.Rooms.Join {
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counts := countsByRoom[roomID]
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if counts == nil {
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continue
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}
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jr.UnreadNotifications = &types.UnreadNotifications{
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HighlightCount: counts.UnreadHighlightCount,
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NotificationCount: counts.UnreadNotificationCount,
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}
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req.Response.Rooms.Join[roomID] = jr
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}
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return p.LatestPosition(ctx)
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}
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