Method onMessage

federationapi/consumers/typing.go:72–119

onMessage is called in response to a message received on the typing events topic from the client api.

(ctx context.Context, msg *nats.Msg)

// onMessage is called in response to a message received on the typing
// events topic from the client api.
func (t *OutputTypingConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
	// Extract the typing event from msg.
	roomID := msg.Header.Get(jetstream.RoomID)
	userID := msg.Header.Get(jetstream.UserID)
	typing, err := strconv.ParseBool(msg.Header.Get("typing"))
	if err != nil {
		log.WithError(err).Errorf("EDU output log: typing parse failure")
		return true
	}

	// only send typing events which originated from us
	_, typingServerName, err := gomatrixserverlib.SplitID('@', userID)
	if err != nil {
		log.WithError(err).WithField("user_id", userID).Error("Failed to extract domain from typing sender")
		_ = msg.Ack()
		return true
	}
	if typingServerName != t.ServerName {
		return true
	}

	joined, err := t.db.GetJoinedHosts(ctx, roomID)
	if err != nil {
		log.WithError(err).WithField("room_id", roomID).Error("failed to get joined hosts for room")
		return false
	}

	names := make([]gomatrixserverlib.ServerName, len(joined))
	for i := range joined {
		names[i] = joined[i].ServerName
	}

	edu := &gomatrixserverlib.EDU{Type: "m.typing"}
	if edu.Content, err = json.Marshal(map[string]interface{}{
		"room_id": roomID,
		"user_id": userID,
		"typing":  typing,
	}); err != nil {
		log.WithError(err).Error("failed to marshal EDU JSON")
		return true
	}
	if err := t.queues.SendEDU(edu, t.ServerName, names); err != nil {
		log.WithError(err).Error("failed to send EDU")
		return false
	}

	return true
}