dendrite/eduserver/input/input.go
2022-03-22 11:15:20 +01:00

101 lines
2.8 KiB
Go

// Copyright 2017 Vector Creations Ltd
// Copyright 2017-2018 New Vector Ltd
// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
//
// 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 input
import (
"context"
"encoding/json"
"time"
"github.com/matrix-org/dendrite/eduserver/api"
"github.com/matrix-org/dendrite/eduserver/cache"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
"github.com/sirupsen/logrus"
)
// EDUServerInputAPI implements api.EDUServerInputAPI
type EDUServerInputAPI struct {
// Cache to store the current typing members in each room.
Cache *cache.EDUCache
// The kafka topic to output new typing events to.
OutputTypingEventTopic string
// kafka producer
JetStream nats.JetStreamContext
// Internal user query API
UserAPI userapi.UserInternalAPI
// our server name
ServerName gomatrixserverlib.ServerName
}
// InputTypingEvent implements api.EDUServerInputAPI
func (t *EDUServerInputAPI) InputTypingEvent(
ctx context.Context,
request *api.InputTypingEventRequest,
response *api.InputTypingEventResponse,
) error {
ite := &request.InputTypingEvent
if ite.Typing {
// user is typing, update our current state of users typing.
expireTime := ite.OriginServerTS.Time().Add(
time.Duration(ite.TimeoutMS) * time.Millisecond,
)
t.Cache.AddTypingUser(ite.UserID, ite.RoomID, &expireTime)
} else {
t.Cache.RemoveUser(ite.UserID, ite.RoomID)
}
return t.sendTypingEvent(ite)
}
func (t *EDUServerInputAPI) sendTypingEvent(ite *api.InputTypingEvent) error {
ev := &api.TypingEvent{
Type: gomatrixserverlib.MTyping,
RoomID: ite.RoomID,
UserID: ite.UserID,
Typing: ite.Typing,
}
ote := &api.OutputTypingEvent{
Event: *ev,
}
if ev.Typing {
expireTime := ite.OriginServerTS.Time().Add(
time.Duration(ite.TimeoutMS) * time.Millisecond,
)
ote.ExpireTime = &expireTime
}
eventJSON, err := json.Marshal(ote)
if err != nil {
return err
}
logrus.WithFields(logrus.Fields{
"room_id": ite.RoomID,
"user_id": ite.UserID,
"typing": ite.Typing,
}).Tracef("Producing to topic '%s'", t.OutputTypingEventTopic)
_, err = t.JetStream.PublishMsg(&nats.Msg{
Subject: t.OutputTypingEventTopic,
Header: nats.Header{},
Data: eventJSON,
})
return err
}