Step 8.5: Move room i18n helpers

src/utils/i18n-helpers.ts

@@ -0,0 +1,66 @@
+/*
+Copyright 2022 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 { Room } from "matrix-js-sdk/src/models/room";
+
+import SpaceStore from "../stores/spaces/SpaceStore";
+import { _t } from "../languageHandler";
+import DMRoomMap from "./DMRoomMap";
+
+export function spaceContextDetailsText(space: Room): string {
+    if (!space.isSpaceRoom()) return undefined;
+
+    const [parent, secondParent, ...otherParents] = SpaceStore.instance.getKnownParents(space.roomId);
+    if (secondParent && !otherParents?.length) {
+        // exactly 2 edge case for improved i18n
+        return _t("%(space1Name)s and %(space2Name)s", {
+            space1Name: space.client.getRoom(parent)?.name,
+            space2Name: space.client.getRoom(secondParent)?.name,
+        });
+    } else if (parent) {
+        return _t("%(spaceName)s and %(count)s others", {
+            spaceName: space.client.getRoom(parent)?.name,
+            count: otherParents.length,
+        });
+    }
+
+    return space.getCanonicalAlias();
+}
+
+export function roomContextDetailsText(room: Room): string {
+    if (room.isSpaceRoom()) return undefined;
+
+    const dmPartner = DMRoomMap.shared().getUserIdForRoomId(room.roomId);
+    if (dmPartner) {
+        return dmPartner;
+    }
+
+    const [parent, secondParent, ...otherParents] = SpaceStore.instance.getKnownParents(room.roomId);
+    if (secondParent && !otherParents?.length) {
+        // exactly 2 edge case for improved i18n
+        return _t("%(space1Name)s and %(space2Name)s", {
+            space1Name: room.client.getRoom(parent)?.name,
+            space2Name: room.client.getRoom(secondParent)?.name,
+        });
+    } else if (parent) {
+        return _t("%(spaceName)s and %(count)s others", {
+            spaceName: room.client.getRoom(parent)?.name,
+            count: otherParents.length,
+        });
+    }
+
+    return room.getCanonicalAlias();
+}