extend createRoom for creating rooms in a space

src/createRoom.ts

@@ -17,6 +17,7 @@ limitations under the License.
 
 import { MatrixClient } from "matrix-js-sdk/src/client";
 import { Room } from "matrix-js-sdk/src/models/room";
+import { EventType } from "matrix-js-sdk/src/@types/event";
 
 import { MatrixClientPeg } from './MatrixClientPeg';
 import Modal from './Modal';
@@ -31,6 +32,8 @@ import GroupStore from "./stores/GroupStore";
 import CountlyAnalytics from "./CountlyAnalytics";
 import { isJoinedOrNearlyJoined } from "./utils/membership";
 import { VIRTUAL_ROOM_EVENT_TYPE } from "./CallHandler";
+import SpaceStore from "./stores/SpaceStore";
+import { makeSpaceParentEvent } from "./utils/space";
 
 // we define a number of interfaces which take their names from the js-sdk
 /* eslint-disable camelcase */
@@ -84,6 +87,7 @@ export interface IOpts {
     inlineErrors?: boolean;
     andView?: boolean;
     associatedWithCommunity?: string;
+    parentSpace?: Room;
 }
 
 /**
@@ -175,6 +179,16 @@ export default function createRoom(opts: IOpts): Promise<string | null> {
         });
     }
 
+    if (opts.parentSpace) {
+        opts.createOpts.initial_state.push(makeSpaceParentEvent(opts.parentSpace, true));
+        opts.createOpts.initial_state.push({
+            type: EventType.RoomHistoryVisibility,
+            content: {
+                "history_visibility": opts.createOpts.preset === Preset.PublicChat ? "world_readable" : "invited",
+            },
+        });
+    }
+
     let modal;
     if (opts.spinner) modal = Modal.createDialog(Loader, null, 'mx_Dialog_spinner');
 
@@ -189,6 +203,9 @@ export default function createRoom(opts: IOpts): Promise<string | null> {
             return Promise.resolve();
         }
     }).then(() => {
+        if (opts.parentSpace) {
+            return SpaceStore.instance.addRoomToSpace(opts.parentSpace, roomId, [client.getDomain()], true);
+        }
         if (opts.associatedWithCommunity) {
             return GroupStore.addRoomToGroup(opts.associatedWithCommunity, roomId, false);
         }

src/utils/permalinks/Permalinks.js

@@ -14,9 +14,11 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {MatrixClientPeg} from "../../MatrixClientPeg";
 import isIp from "is-ip";
-import * as utils from 'matrix-js-sdk/src/utils';
+import * as utils from "matrix-js-sdk/src/utils";
+import {Room} from "matrix-js-sdk/src/models/room";
+
+import {MatrixClientPeg} from "../../MatrixClientPeg";
 import SpecPermalinkConstructor, {baseUrl as matrixtoBaseUrl} from "./SpecPermalinkConstructor";
 import PermalinkConstructor, {PermalinkParts} from "./PermalinkConstructor";
 import ElementPermalinkConstructor from "./ElementPermalinkConstructor";
@@ -121,6 +123,10 @@ export class RoomPermalinkCreator {
         this._started = false;
     }
 
+    get serverCandidates() {
+        return this._serverCandidates;
+    }
+
     isStarted() {
         return this._started;
     }
@@ -451,3 +457,9 @@ function isHostnameIpAddress(hostname) {
 
     return isIp(hostname);
 }
+
+export const calculateRoomVia = (room: Room) => {
+    const permalinkCreator = new RoomPermalinkCreator(room);
+    permalinkCreator.load();
+    return permalinkCreator.serverCandidates;
+};

src/utils/space.ts

@@ -18,6 +18,8 @@ import {Room} from "matrix-js-sdk/src/models/room";
 import {MatrixClient} from "matrix-js-sdk/src/client";
 import {EventType} from "matrix-js-sdk/src/@types/event";
 
+import {calculateRoomVia} from "../utils/permalinks/Permalinks";
+
 export const shouldShowSpaceSettings = (cli: MatrixClient, space: Room) => {
     const userId = cli.getUserId();
     return space.getMyMembership() === "join"
@@ -26,3 +28,12 @@ export const shouldShowSpaceSettings = (cli: MatrixClient, space: Room) => {
             || space.currentState.maySendStateEvent(EventType.RoomTopic, userId)
             || space.currentState.maySendStateEvent(EventType.RoomJoinRules, userId));
 };
+
+export const makeSpaceParentEvent = (room: Room, canonical = false) => ({
+    type: EventType.SpaceParent,
+    content: {
+        "via": calculateRoomVia(room),
+        "canonical": canonical,
+    },
+    state_key: room.roomId,
+});