Remove eduserver (#2306)

* Move receipt sending to own JetStream producer

* Move SendToDevice to producer

* Remove most parts of the EDU server

* Fix SendToDevice & copyrights

* Move structs, cleanup EDU Server traces

* Use HeadersOnly subscription

* Missing file

* Fix linter issues

* Move consumers to own files

* Rename durable consumer; Consumer cleanup

* Docs/config cleanup

syncapi/consumers/eduserver_typing.go

@@ -1,106 +0,0 @@
-// Copyright 2019 Alex Chen
-//
-// 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 consumers
-
-import (
-	"context"
-	"encoding/json"
-
-	"github.com/getsentry/sentry-go"
-	"github.com/matrix-org/dendrite/eduserver/api"
-	"github.com/matrix-org/dendrite/eduserver/cache"
-	"github.com/matrix-org/dendrite/setup/config"
-	"github.com/matrix-org/dendrite/setup/jetstream"
-	"github.com/matrix-org/dendrite/setup/process"
-	"github.com/matrix-org/dendrite/syncapi/notifier"
-	"github.com/matrix-org/dendrite/syncapi/storage"
-	"github.com/matrix-org/dendrite/syncapi/types"
-	"github.com/nats-io/nats.go"
-	log "github.com/sirupsen/logrus"
-)
-
-// OutputTypingEventConsumer consumes events that originated in the EDU server.
-type OutputTypingEventConsumer struct {
-	ctx       context.Context
-	jetstream nats.JetStreamContext
-	durable   string
-	topic     string
-	eduCache  *cache.EDUCache
-	stream    types.StreamProvider
-	notifier  *notifier.Notifier
-}
-
-// NewOutputTypingEventConsumer creates a new OutputTypingEventConsumer.
-// Call Start() to begin consuming from the EDU server.
-func NewOutputTypingEventConsumer(
-	process *process.ProcessContext,
-	cfg *config.SyncAPI,
-	js nats.JetStreamContext,
-	store storage.Database,
-	eduCache *cache.EDUCache,
-	notifier *notifier.Notifier,
-	stream types.StreamProvider,
-) *OutputTypingEventConsumer {
-	return &OutputTypingEventConsumer{
-		ctx:       process.Context(),
-		jetstream: js,
-		topic:     cfg.Matrix.JetStream.Prefixed(jetstream.OutputTypingEvent),
-		durable:   cfg.Matrix.JetStream.Durable("SyncAPIEDUServerTypingConsumer"),
-		eduCache:  eduCache,
-		notifier:  notifier,
-		stream:    stream,
-	}
-}
-
-// Start consuming from EDU api
-func (s *OutputTypingEventConsumer) Start() error {
-	return jetstream.JetStreamConsumer(
-		s.ctx, s.jetstream, s.topic, s.durable, s.onMessage,
-		nats.DeliverAll(), nats.ManualAck(),
-	)
-}
-
-func (s *OutputTypingEventConsumer) onMessage(ctx context.Context, msg *nats.Msg) bool {
-	var output api.OutputTypingEvent
-	if err := json.Unmarshal(msg.Data, &output); err != nil {
-		// If the message was invalid, log it and move on to the next message in the stream
-		log.WithError(err).Errorf("EDU server output log: message parse failure")
-		sentry.CaptureException(err)
-		return true
-	}
-
-	log.WithFields(log.Fields{
-		"room_id": output.Event.RoomID,
-		"user_id": output.Event.UserID,
-		"typing":  output.Event.Typing,
-	}).Debug("received data from EDU server")
-
-	var typingPos types.StreamPosition
-	typingEvent := output.Event
-	if typingEvent.Typing {
-		typingPos = types.StreamPosition(
-			s.eduCache.AddTypingUser(typingEvent.UserID, typingEvent.RoomID, output.ExpireTime),
-		)
-	} else {
-		typingPos = types.StreamPosition(
-			s.eduCache.RemoveUser(typingEvent.UserID, typingEvent.RoomID),
-		)
-	}
-
-	s.stream.Advance(typingPos)
-	s.notifier.OnNewTyping(output.Event.RoomID, types.StreamingToken{TypingPosition: typingPos})
-
-	return true
-}