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dendrite/syncapi/streams/stream_notificationdata.go
Till 249b32c4f3
Refactor notifications (#2688)
This PR changes the handling of notifications
- removes the `StreamEvent` and `ReadUpdate` stream
- listens on the `OutputRoomEvent` stream in the UserAPI to inform the
SyncAPI about unread notifications
- listens on the `OutputReceiptEvent` stream in the UserAPI to set
receipts/update notifications
- sets the `read_markers` directly from within the internal UserAPI

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
2022-09-27 15:01:34 +02:00

59 lines
1.5 KiB
Go

package streams
import (
"context"
"github.com/matrix-org/dendrite/syncapi/types"
)
type NotificationDataStreamProvider struct {
StreamProvider
}
func (p *NotificationDataStreamProvider) Setup() {
p.StreamProvider.Setup()
id, err := p.DB.MaxStreamPositionForNotificationData(context.Background())
if err != nil {
panic(err)
}
p.latest = id
}
func (p *NotificationDataStreamProvider) CompleteSync(
ctx context.Context,
req *types.SyncRequest,
) types.StreamPosition {
return p.IncrementalSync(ctx, req, 0, p.LatestPosition(ctx))
}
func (p *NotificationDataStreamProvider) IncrementalSync(
ctx context.Context,
req *types.SyncRequest,
from, _ types.StreamPosition,
) types.StreamPosition {
// Get the unread notifications for rooms in our join response.
// This is to ensure clients always have an unread notification section
// and can display the correct numbers.
countsByRoom, err := p.DB.GetUserUnreadNotificationCountsForRooms(ctx, req.Device.UserID, req.Rooms)
if err != nil {
req.Log.WithError(err).Error("GetUserUnreadNotificationCountsForRooms failed")
return from
}
// We're merely decorating existing rooms.
for roomID, jr := range req.Response.Rooms.Join {
counts := countsByRoom[roomID]
if counts == nil {
continue
}
jr.UnreadNotifications = &types.UnreadNotifications{
HighlightCount: counts.UnreadHighlightCount,
NotificationCount: counts.UnreadNotificationCount,
}
req.Response.Rooms.Join[roomID] = jr
}
return p.LatestPosition(ctx)
}