Rename the typing server to EDU server (#948)

* Blunt move and sed rename

* Rename common/ refs to typing

* Rename internal stuff in eduserver

* Rename docs and scripts

* Rename constants/filenames, goimports everything to re-order imports

clientapi/producers/eduserver.go

@@ -0,0 +1,54 @@
+// 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 (
+	"context"
+	"time"
+
+	"github.com/matrix-org/dendrite/eduserver/api"
+	"github.com/matrix-org/gomatrixserverlib"
+)
+
+// EDUServerProducer produces events for the typing server to consume
+type EDUServerProducer struct {
+	InputAPI api.EDUServerInputAPI
+}
+
+// NewEDUServerProducer creates a new EDUServerProducer
+func NewEDUServerProducer(inputAPI api.EDUServerInputAPI) *EDUServerProducer {
+	return &EDUServerProducer{
+		InputAPI: inputAPI,
+	}
+}
+
+// SendTyping sends a typing event to EDU server
+func (p *EDUServerProducer) SendTyping(
+	ctx context.Context, userID, roomID string,
+	typing bool, timeout int64,
+) error {
+	requestData := api.InputTypingEvent{
+		UserID:         userID,
+		RoomID:         roomID,
+		Typing:         typing,
+		Timeout:        timeout,
+		OriginServerTS: gomatrixserverlib.AsTimestamp(time.Now()),
+	}
+
+	var response api.InputTypingEventResponse
+	err := p.InputAPI.InputTypingEvent(
+		ctx, &api.InputTypingEventRequest{InputTypingEvent: requestData}, &response,
+	)
+
+	return err
+}