From c04a8140a3e2e2785fa32fea9324789974f36a4a Mon Sep 17 00:00:00 2001
From: Bruno Windels <bruno@windels.cloud>
Date: Tue, 18 May 2021 11:07:46 +0200
Subject: [PATCH] offer to rejoin archived room from menu

---
 src/domain/session/room/RoomViewModel.js     | 8 ++++++++
 src/matrix/room/ArchivedRoom.js              | 6 ++++++
 src/platform/web/ui/session/room/RoomView.js | 3 +++
 3 files changed, 17 insertions(+)

diff --git a/src/domain/session/room/RoomViewModel.js b/src/domain/session/room/RoomViewModel.js
index 1d2f3725..5d08f903 100644
--- a/src/domain/session/room/RoomViewModel.js
+++ b/src/domain/session/room/RoomViewModel.js
@@ -147,6 +147,14 @@ export class RoomViewModel extends ViewModel {
     forgetRoom() {
         this._room.forget();
     }
+
+    get canRejoin() {
+        return this._room.isArchived;
+    }
+
+    rejoinRoom() {
+        this._room.join();
+    }
     
     async _sendMessage(message) {
         if (!this._room.isArchived && message) {
diff --git a/src/matrix/room/ArchivedRoom.js b/src/matrix/room/ArchivedRoom.js
index a87bd774..f975191e 100644
--- a/src/matrix/room/ArchivedRoom.js
+++ b/src/matrix/room/ArchivedRoom.js
@@ -162,6 +162,12 @@ export class ArchivedRoom extends BaseRoom {
             this._forgetCallback(this.id);
         });
     }
+
+    join(log = null) {
+        return this._platform.logger.wrapOrRun(log, "rejoin archived room", async log => {
+            await this._hsApi.join(this.id, {log}).response();
+        });
+    }
 }
 
 function findKickDetails(roomResponse, ownUserId) {
diff --git a/src/platform/web/ui/session/room/RoomView.js b/src/platform/web/ui/session/room/RoomView.js
index e2ef0de7..3d8c58a5 100644
--- a/src/platform/web/ui/session/room/RoomView.js
+++ b/src/platform/web/ui/session/room/RoomView.js
@@ -73,6 +73,9 @@ export class RoomView extends TemplateView {
             if (vm.canForget) {
                 options.push(Menu.option(vm.i18n`Forget room`, () => vm.forgetRoom()));
             }
+            if (vm.canRejoin) {
+                options.push(Menu.option(vm.i18n`Rejoin room`, () => vm.rejoinRoom()));
+            }
             if (!options.length) {
                 return;
             }