From 0b3d0ba3193ebcdeadc6a4b0a192eeb06e9add29 Mon Sep 17 00:00:00 2001
From: Fabian Mastenbroek <mail.fabianm@gmail.com>
Date: Tue, 20 Sep 2022 11:04:34 +0200
Subject: fix(web/ui): Do not fail on stale Redux state

This change fixes an issue where switching between different topologies
would fail due to stale Redux state. We have updated the components to
take into account that ids may not exist in the Redux store.
---
 .../src/components/topologies/map/RoomContainer.js      | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'opendc-web/opendc-web-ui/src/components/topologies/map/RoomContainer.js')

diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/RoomContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/RoomContainer.js
index 65189891..191318ee 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/RoomContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/RoomContainer.js
@@ -27,15 +27,16 @@ import { goFromBuildingToRoom } from '../../../redux/actions/interaction-level'
 import RoomGroup from './groups/RoomGroup'
 
 function RoomContainer({ roomId, ...props }) {
-    const state = useSelector((state) => {
-        return {
-            interactionLevel: state.interactionLevel,
-            currentRoomInConstruction: state.construction.currentRoomInConstruction,
-            room: state.topology.rooms[roomId],
-        }
-    })
+    const interactionLevel = useSelector((state) => state.interactionLevel)
+    const currentRoomInConstruction = useSelector((state) => state.construction.currentRoomInConstruction)
+    const room = useSelector((state) => state.topology.rooms[roomId])
     const dispatch = useDispatch()
-    return <RoomGroup {...props} {...state} onClick={() => dispatch(goFromBuildingToRoom(roomId))} />
+
+    if (!room) {
+        return null
+    }
+
+    return <RoomGroup {...props} interactionLevel={interactionLevel} currentRoomInConstruction={currentRoomInConstruction} room={room} onClick={() => dispatch(goFromBuildingToRoom(roomId))} />
 }
 
 RoomContainer.propTypes = {
-- 
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