use go module for dependencies (#594)

roomserver/roomserver.go

@@ -0,0 +1,68 @@
+// 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 roomserver
+
+import (
+	"net/http"
+
+	"github.com/matrix-org/dendrite/roomserver/api"
+
+	asQuery "github.com/matrix-org/dendrite/appservice/query"
+	"github.com/matrix-org/dendrite/common/basecomponent"
+	"github.com/matrix-org/dendrite/roomserver/alias"
+	"github.com/matrix-org/dendrite/roomserver/input"
+	"github.com/matrix-org/dendrite/roomserver/query"
+	"github.com/matrix-org/dendrite/roomserver/storage"
+	"github.com/sirupsen/logrus"
+)
+
+// SetupRoomServerComponent sets up and registers HTTP handlers for the
+// RoomServer component. Returns instances of the various roomserver APIs,
+// allowing other components running in the same process to hit the query the
+// APIs directly instead of having to use HTTP.
+func SetupRoomServerComponent(
+	base *basecomponent.BaseDendrite,
+) (api.RoomserverAliasAPI, api.RoomserverInputAPI, api.RoomserverQueryAPI) {
+	roomserverDB, err := storage.Open(string(base.Cfg.Database.RoomServer))
+	if err != nil {
+		logrus.WithError(err).Panicf("failed to connect to room server db")
+	}
+
+	inputAPI := input.RoomserverInputAPI{
+		DB:                   roomserverDB,
+		Producer:             base.KafkaProducer,
+		OutputRoomEventTopic: string(base.Cfg.Kafka.Topics.OutputRoomEvent),
+	}
+
+	inputAPI.SetupHTTP(http.DefaultServeMux)
+
+	queryAPI := query.RoomserverQueryAPI{DB: roomserverDB}
+
+	queryAPI.SetupHTTP(http.DefaultServeMux)
+
+	asAPI := asQuery.AppServiceQueryAPI{Cfg: base.Cfg}
+
+	aliasAPI := alias.RoomserverAliasAPI{
+		DB:            roomserverDB,
+		Cfg:           base.Cfg,
+		InputAPI:      &inputAPI,
+		QueryAPI:      &queryAPI,
+		AppserviceAPI: &asAPI,
+	}
+
+	aliasAPI.SetupHTTP(http.DefaultServeMux)
+
+	return &aliasAPI, &inputAPI, &queryAPI
+}