1 files changed, 60 insertions, 0 deletions
diff --git a/syncapi/producers/userapi_streamevent.go b/syncapi/producers/userapi_streamevent.go
new file mode 100644
index 00000000..2bbd19c0
--- /dev/null
+++ b/syncapi/producers/userapi_streamevent.go
@@ -0,0 +1,60 @@
+// Copyright 2017 Vector Creations Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package producers
+
+import (
+	"encoding/json"
+
+	"github.com/matrix-org/dendrite/setup/jetstream"
+	"github.com/matrix-org/dendrite/syncapi/types"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/nats-io/nats.go"
+	log "github.com/sirupsen/logrus"
+)
+
+// UserAPIProducer produces events for the user API server to consume
+type UserAPIStreamEventProducer struct {
+	Topic     string
+	JetStream nats.JetStreamContext
+}
+
+// SendData sends account data to the user API server
+func (p *UserAPIStreamEventProducer) SendStreamEvent(roomID string, event *gomatrixserverlib.HeaderedEvent, pos types.StreamPosition) error {
+	m := &nats.Msg{
+		Subject: p.Topic,
+		Header:  nats.Header{},
+	}
+	m.Header.Set(jetstream.RoomID, roomID)
+
+	data := types.StreamedEvent{
+		Event:          event,
+		StreamPosition: pos,
+	}
+	var err error
+	m.Data, err = json.Marshal(data)
+	if err != nil {
+		return err
+	}
+
+	log.WithFields(log.Fields{
+		"room_id":    roomID,
+		"event_id":   event.EventID(),
+		"event_type": event.Type(),
+		"stream_pos": pos,
+	}).Tracef("Producing to topic '%s'", p.Topic)
+
+	_, err = p.JetStream.PublishMsg(m)
+	return err
+}