92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
package streams
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import (
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"context"
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"encoding/json"
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eduAPI "github.com/matrix-org/dendrite/eduserver/api"
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"github.com/matrix-org/dendrite/syncapi/types"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type ReceiptStreamProvider struct {
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StreamProvider
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}
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func (p *ReceiptStreamProvider) Setup() {
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p.StreamProvider.Setup()
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id, err := p.DB.MaxStreamPositionForReceipts(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 *ReceiptStreamProvider) 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 *ReceiptStreamProvider) 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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var joinedRooms []string
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for roomID, membership := range req.Rooms {
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if membership == gomatrixserverlib.Join {
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joinedRooms = append(joinedRooms, roomID)
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}
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}
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lastPos, receipts, err := p.DB.RoomReceiptsAfter(ctx, joinedRooms, from)
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if err != nil {
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req.Log.WithError(err).Error("p.DB.RoomReceiptsAfter failed")
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return from
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}
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if len(receipts) == 0 || lastPos == 0 {
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return to
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}
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// Group receipts by room, so we can create one ClientEvent for every room
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receiptsByRoom := make(map[string][]eduAPI.OutputReceiptEvent)
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for _, receipt := range receipts {
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receiptsByRoom[receipt.RoomID] = append(receiptsByRoom[receipt.RoomID], receipt)
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}
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for roomID, receipts := range receiptsByRoom {
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jr := req.Response.Rooms.Join[roomID]
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var ok bool
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ev := gomatrixserverlib.ClientEvent{
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Type: gomatrixserverlib.MReceipt,
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RoomID: roomID,
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}
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content := make(map[string]eduAPI.ReceiptMRead)
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for _, receipt := range receipts {
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var read eduAPI.ReceiptMRead
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if read, ok = content[receipt.EventID]; !ok {
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read = eduAPI.ReceiptMRead{
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User: make(map[string]eduAPI.ReceiptTS),
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}
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}
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read.User[receipt.UserID] = eduAPI.ReceiptTS{TS: receipt.Timestamp}
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content[receipt.EventID] = read
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}
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ev.Content, err = json.Marshal(content)
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if err != nil {
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req.Log.WithError(err).Error("json.Marshal failed")
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return from
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}
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jr.Ephemeral.Events = append(jr.Ephemeral.Events, ev)
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req.Response.Rooms.Join[roomID] = jr
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}
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return lastPos
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}
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