remove room from room list when leaving

src/domain/session/leftpanel/LeftPanelViewModel.js

@@ -35,9 +35,8 @@ export class LeftPanelViewModel extends ViewModel {
     }
 
     _mapTileViewModels(rooms, invites) {
-        const joinedRooms = rooms.filterValues(room => room.membership === "join");
         // join is not commutative, invites will take precedence over rooms
-        return invites.join(joinedRooms).mapValues((roomOrInvite, emitChange) => {
+        return invites.join(rooms).mapValues((roomOrInvite, emitChange) => {
             const isOpen = this.navigation.path.get("room")?.value === roomOrInvite.id;
             let vm;
             if (roomOrInvite.isInvite) {

src/matrix/Session.js

@@ -54,6 +54,7 @@ export class Session {
         this._sessionInfo = sessionInfo;
         this._rooms = new ObservableMap();
         this._roomUpdateCallback = (room, params) => this._rooms.update(room.id, params);
+        this._archivedRooms = null;
         this._invites = new ObservableMap();
         this._inviteUpdateCallback = (invite, params) => this._invites.update(invite.id, params);
         this._user = new User(sessionInfo.userId);
@@ -426,6 +427,14 @@ export class Session {
         this._invites.remove(invite.id);
     }
 
+    /** @internal */
+    archiveRoomAfterSync(room) {
+        this._rooms.remove(room.id);
+        if (this._archivedRooms) {
+            this._archivedRooms.add(room.id, room);
+        }
+    }
+
     async obtainSyncLock(syncResponse) {
         const toDeviceEvents = syncResponse.to_device?.events;
         if (Array.isArray(toDeviceEvents) && toDeviceEvents.length) {

src/matrix/Sync.js

@@ -295,6 +295,8 @@ export class Sync {
                 // so the room will be found if looking for it when the invite
                 // is removed
                 this._session.addRoomAfterSync(rs.room);
+            } else if (rs.membership === "leave") {
+                this._session.archiveRoomAfterSync(rs.room);
             }
         }
         // emit invite related events after txn has been closed