From 776e63c0d898f3f7c9b5a08fcc4ccaf763a72002 Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Mon, 15 Jun 2020 20:11:06 -0600
Subject: [PATCH] Handle/hide old rooms in the room list

Fixes https://github.com/vector-im/riot-web/issues/14003
---
 src/stores/room-list/RoomListStore2.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/stores/room-list/RoomListStore2.ts b/src/stores/room-list/RoomListStore2.ts
index 1c4e66c4b0..9684e338f8 100644
--- a/src/stores/room-list/RoomListStore2.ts
+++ b/src/stores/room-list/RoomListStore2.ts
@@ -181,6 +181,12 @@ export class RoomListStore2 extends AsyncStore<ActionPayload> {
             const room = this.matrixClient.getRoom(roomId);
             const tryUpdate = async (updatedRoom: Room) => {
                 console.log(`[RoomListDebug] Live timeline event ${eventPayload.event.getId()} in ${updatedRoom.roomId}`);
+                if (eventPayload.event.getType() === 'm.room.tombstone' && eventPayload.event.getStateKey() === '') {
+                    console.log(`[RoomListDebug] Got tombstone event - regenerating room list`);
+                    // TODO: We could probably be smarter about this
+                    await this.regenerateAllLists();
+                    return; // don't pass the update down - we will have already handled it in the regen
+                }
                 await this.handleRoomUpdate(updatedRoom, RoomUpdateCause.Timeline);
             };
             if (!room) {
@@ -334,7 +340,7 @@ export class RoomListStore2 extends AsyncStore<ActionPayload> {
         }
 
         await this.algorithm.populateTags(sorts, orders);
-        await this.algorithm.setKnownRooms(this.matrixClient.getRooms());
+        await this.algorithm.setKnownRooms(this.matrixClient.getVisibleRooms());
 
         this.initialListsGenerated = true;