Move DMRoomMap to a util subdir

src/DMRoomMap.js

@@ -1,46 +0,0 @@
-/*
-Copyright 2016 OpenMarket 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.
-*/
-
-/**
- * Class that takes a Matrix Client and flips the m.direct map
- * so the operation of mapping a room ID to which user it's a DM
- * with can be performed efficiently.
- */
-export default class DMRoomMap {
-    constructor(matrixClient) {
-        const mDirectEvent = matrixClient.getAccountData('m.direct');
-        if (!mDirectEvent) {
-            this.userToRooms = {};
-            this.roomToUser = {};
-        } else {
-            this.userToRooms = mDirectEvent.getContent();
-            this.roomToUser = {};
-            for (const user of Object.keys(this.userToRooms)) {
-                for (const roomId of this.userToRooms[user]) {
-                    this.roomToUser[roomId] = user;
-                }
-            }
-        }
-    }
-
-    getDMRoomsForUserId(userId) {
-        return this.userToRooms[userId];
-    }
-
-    getUserIdForRoomId(roomId) {
-        return this.roomToUser[roomId];
-    }
-}