Rewrite the room list store

package.json

@@ -55,6 +55,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.8.3",
+    "await-lock": "^2.0.1",
     "blueimp-canvas-to-blob": "^3.5.0",
     "browser-encrypt-attachment": "^0.3.0",
     "browser-request": "^0.3.3",
@@ -117,6 +118,7 @@
     "@babel/register": "^7.7.4",
     "@peculiar/webcrypto": "^1.0.22",
     "@types/classnames": "^2.2.10",
+    "@types/flux": "^3.1.9",
     "@types/modernizr": "^3.5.3",
     "@types/qrcode": "^1.3.4",
     "@types/react": "16.9",

src/BasePlatform.js

@@ -20,7 +20,7 @@ limitations under the License.
 */
 
 import {MatrixClient} from "matrix-js-sdk";
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import BaseEventIndexManager from './indexing/BaseEventIndexManager';
 
 /**

src/CallHandler.js

@@ -59,7 +59,7 @@ import Modal from './Modal';
 import * as sdk from './index';
 import { _t } from './languageHandler';
 import Matrix from 'matrix-js-sdk';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import { showUnknownDeviceDialogForCalls } from './cryptodevices';
 import WidgetUtils from './utils/WidgetUtils';
 import WidgetEchoStore from './stores/WidgetEchoStore';

src/ContentMessages.js

@@ -18,7 +18,7 @@ limitations under the License.
 'use strict';
 
 import extend from './extend';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import {MatrixClientPeg} from './MatrixClientPeg';
 import * as sdk from './index';
 import { _t } from './languageHandler';

src/FromWidgetPostMessageApi.js

@@ -17,7 +17,7 @@ limitations under the License.
 */
 
 import URL from 'url';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import WidgetMessagingEndpoint from './WidgetMessagingEndpoint';
 import ActiveWidgetStore from './stores/ActiveWidgetStore';
 import {MatrixClientPeg} from "./MatrixClientPeg";

src/Lifecycle.js

@@ -26,7 +26,7 @@ import Analytics from './Analytics';
 import Notifier from './Notifier';
 import UserActivity from './UserActivity';
 import Presence from './Presence';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import DMRoomMap from './utils/DMRoomMap';
 import Modal from './Modal';
 import * as sdk from './index';

src/Modal.js

@@ -18,7 +18,7 @@ limitations under the License.
 import React from 'react';
 import ReactDOM from 'react-dom';
 import Analytics from './Analytics';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import {defer} from './utils/promise';
 import AsyncWrapper from './AsyncWrapper';
 

src/Notifier.js

@@ -21,7 +21,7 @@ import PlatformPeg from './PlatformPeg';
 import * as TextForEvent from './TextForEvent';
 import Analytics from './Analytics';
 import * as Avatar from './Avatar';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import * as sdk from './index';
 import { _t } from './languageHandler';
 import Modal from './Modal';

src/Presence.js

@@ -17,7 +17,7 @@ limitations under the License.
 */
 
 import {MatrixClientPeg} from "./MatrixClientPeg";
-import dis from "./dispatcher";
+import dis from "./dispatcher/dispatcher";
 import Timer from './utils/Timer';
 
  // Time in ms after that a user is considered as unavailable/away

src/Registration.js

@@ -20,7 +20,7 @@ limitations under the License.
  * registration code.
  */
 
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import * as sdk from './index';
 import Modal from './Modal';
 import { _t } from './languageHandler';

src/Resend.js

@@ -16,7 +16,7 @@ limitations under the License.
 */
 
 import {MatrixClientPeg} from './MatrixClientPeg';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import { EventStatus } from 'matrix-js-sdk';
 
 export default class Resend {

src/ScalarMessaging.js

@@ -238,7 +238,7 @@ Example:
 
 import {MatrixClientPeg} from './MatrixClientPeg';
 import { MatrixEvent } from 'matrix-js-sdk';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import WidgetUtils from './utils/WidgetUtils';
 import RoomViewStore from './stores/RoomViewStore';
 import { _t } from './languageHandler';

src/SlashCommands.tsx

@@ -21,7 +21,7 @@ limitations under the License.
 import * as React from 'react';
 
 import {MatrixClientPeg} from './MatrixClientPeg';
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import * as sdk from './index';
 import {_t, _td} from './languageHandler';
 import Modal from './Modal';
@@ -41,6 +41,8 @@ import { parseFragment as parseHtml } from "parse5";
 import sendBugReport from "./rageshake/submit-rageshake";
 import SdkConfig from "./SdkConfig";
 import { ensureDMExists } from "./createRoom";
+import { ViewUserPayload } from "./dispatcher/payloads/ViewUserPayload";
+import { Action } from "./dispatcher/actions";
 
 // XXX: workaround for https://github.com/microsoft/TypeScript/issues/31816
 interface HTMLInputEvent extends Event {
@@ -943,8 +945,10 @@ export const Commands = [
             }
 
             const member = MatrixClientPeg.get().getRoom(roomId).getMember(userId);
-            dis.dispatch({
-                action: 'view_user',
+            dis.dispatch<ViewUserPayload>({
+                action: Action.ViewUser,
+                // XXX: We should be using a real member object and not assuming what the
+                // receiver wants.
                 member: member || {userId},
             });
             return success();

src/UserActivity.js

@@ -15,7 +15,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import dis from './dispatcher';
+import dis from './dispatcher/dispatcher';
 import Timer from './utils/Timer';
 
 // important these are larger than the timeouts of timers

src/actions/GroupActions.ts

@@ -0,0 +1,34 @@
+/*
+Copyright 2017 New Vector Ltd
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+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.
+*/
+
+import { asyncAction } from './actionCreators';
+import { AsyncActionPayload } from "../dispatcher/payloads";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+
+export default class GroupActions {
+    /**
+     * Creates an action thunk that will do an asynchronous request to fetch
+     * the groups to which a user is joined.
+     *
+     * @param {MatrixClient} matrixClient the matrix client to query.
+     * @returns {AsyncActionPayload} An async action payload.
+     * @see asyncAction
+     */
+    public static fetchJoinedGroups(matrixClient: MatrixClient): AsyncActionPayload {
+        return asyncAction('GroupActions.fetchJoinedGroups', () => matrixClient.getJoinedGroups(), null);
+    }
+}

src/actions/MatrixActionCreators.js

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import dis from '../dispatcher';
+import dis from '../dispatcher/dispatcher';
 
 // TODO: migrate from sync_state to MatrixActions.sync so that more js-sdk events
 //       become dispatches in the same place.