Create placeholder handler for room directory updates

src/github.com/matrix-org/dendrite/clientapi/routing/routing.go

@@ -133,6 +133,20 @@ func Setup(
 		}),
 	).Methods("DELETE")
 
+	r0mux.Handle("/directory/list/room/{roomID}",
+		common.MakeAPI("directory_list", func(req *http.Request) util.JSONResponse {
+			vars := mux.Vars(req)
+			return writers.GetVisibility(req, vars["roomID"])
+		}),
+	).Methods("GET")
+
+	r0mux.Handle("/directory/list/room/{roomID}",
+		common.MakeAuthAPI("directory_list", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
+			vars := mux.Vars(req)
+			return writers.SetVisibility(req, *device, vars["roomID"], cfg)
+		}),
+	).Methods("PUT", "OPTIONS")
+
 	r0mux.Handle("/logout",
 		common.MakeAuthAPI("logout", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
 			return readers.Logout(req, deviceDB, device)

src/github.com/matrix-org/dendrite/clientapi/writers/room_directory.go

@@ -0,0 +1,48 @@
+// 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 writers
+
+import (
+	"net/http"
+
+	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
+	"github.com/matrix-org/dendrite/common/config"
+	"github.com/matrix-org/util"
+)
+
+type roomDirectoryVisibility struct {
+	Visibility string `json:"visibility"`
+}
+
+// GetVisibility implements GET /directory/list/room/{roomID}
+func GetVisibility(
+	req *http.Request, roomID string,
+) util.JSONResponse {
+	return util.JSONResponse{
+		Code: 200,
+		JSON: roomDirectoryVisibility{"public"},
+	}
+}
+
+// SetVisibility implements PUT /directory/list/room/{roomID}
+func SetVisibility(
+	req *http.Request, device authtypes.Device, roomID string,
+	cfg config.Dendrite,
+) util.JSONResponse {
+	return util.JSONResponse{
+		Code: 200,
+		JSON: struct{}{},
+	}
+}