feat(ui): Extract topology construction out of Sagas

This change updates the OpenDC frontend to perform the construction of
the topology directly in the reducers instead of performing the
mutations in Redux Sagas as side effects. This allows us to nicely map
actions to mutations in the reducers.

20 files changed, 57 insertions, 59 deletions

diff --git a/opendc-web/opendc-web-ui/src/components/topologies/TopologyMap.js b/opendc-web/opendc-web-ui/src/components/topologies/TopologyMap.js
index c16f554c..2f27749f 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/TopologyMap.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/TopologyMap.js
@@ -39,7 +39,7 @@ import { useSelector } from 'react-redux'
 import TopologySidebar from './sidebar/TopologySidebar'
 
 function TopologyMap() {
-    const topologyIsLoading = useSelector((state) => state.currentTopologyId === '-1')
+    const topologyIsLoading = useSelector((state) => !state.topology.root)
     const interactionLevel = useSelector((state) => state.interactionLevel)
 
     const [isExpanded, setExpanded] = useState(true)
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/MapStage.js b/opendc-web/opendc-web-ui/src/components/topologies/map/MapStage.js
index 5d19b3ad..d8735cf1 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/MapStage.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/MapStage.js
@@ -1,8 +1,8 @@
-import React, { useRef, useState } from 'react'
+import React, { useRef, useState, useContext } from 'react'
 import { HotKeys } from 'react-hotkeys'
 import { Stage } from 'react-konva'
 import { MAP_MAX_SCALE, MAP_MIN_SCALE, MAP_MOVE_PIXELS_PER_EVENT, MAP_SCALE_PER_EVENT } from './MapConstants'
-import { Provider, useStore } from 'react-redux'
+import { ReactReduxContext } from 'react-redux'
 import useResizeObserver from 'use-resize-observer'
 import { mapContainer } from './MapStage.module.scss'
 import MapLayer from './layers/MapLayer'
@@ -12,7 +12,7 @@ import ScaleIndicator from './controls/ScaleIndicator'
 import Toolbar from './controls/Toolbar'
 
 function MapStage() {
-    const store = useStore()
+    const reduxContext = useContext(ReactReduxContext)
     const { ref, width = 100, height = 100 } = useResizeObserver()
     const stageRef = useRef(null)
     const [[x, y], setPos] = useState([0, 0])
@@ -68,11 +68,11 @@ function MapStage() {
                 x={x}
                 y={y}
             >
-                <Provider store={store}>
+                <ReactReduxContext.Provider value={reduxContext}>
                     <MapLayer />
                     <RoomHoverLayer />
                     <ObjectHoverLayer />
-                </Provider>
+                </ReactReduxContext.Provider>
             </Stage>
             <ScaleIndicator scale={scale} />
             <Toolbar onZoom={onZoomButton} onExport={onExport} />
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/RackEnergyFillContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/RackEnergyFillContainer.js
index c35cbde7..be1f3e45 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/RackEnergyFillContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/RackEnergyFillContainer.js
@@ -6,18 +6,18 @@ import RackFillBar from './elements/RackFillBar'
 function RackSpaceFillContainer({ tileId, ...props }) {
     const fillFraction = useSelector((state) => {
         let energyConsumptionTotal = 0
-        const rack = state.objects.rack[state.objects.tile[tileId].rack]
+        const rack = state.topology.racks[state.topology.tiles[tileId].rack]
         const machineIds = rack.machines
         machineIds.forEach((machineId) => {
             if (machineId !== null) {
-                const machine = state.objects.machine[machineId]
-                machine.cpus.forEach((id) => (energyConsumptionTotal += state.objects.cpu[id].energyConsumptionW))
-                machine.gpus.forEach((id) => (energyConsumptionTotal += state.objects.gpu[id].energyConsumptionW))
+                const machine = state.topology.machines[machineId]
+                machine.cpus.forEach((id) => (energyConsumptionTotal += state.topology.cpus[id].energyConsumptionW))
+                machine.gpus.forEach((id) => (energyConsumptionTotal += state.topology.gpus[id].energyConsumptionW))
                 machine.memories.forEach(
-                    (id) => (energyConsumptionTotal += state.objects.memory[id].energyConsumptionW)
+                    (id) => (energyConsumptionTotal += state.topology.memories[id].energyConsumptionW)
                 )
                 machine.storages.forEach(
-                    (id) => (energyConsumptionTotal += state.objects.storage[id].energyConsumptionW)
+                    (id) => (energyConsumptionTotal += state.topology.storages[id].energyConsumptionW)
                 )
             }
         })
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/RackSpaceFillContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/RackSpaceFillContainer.js
index a6766f33..0c15d54b 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/RackSpaceFillContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/RackSpaceFillContainer.js
@@ -26,7 +26,7 @@ import { useSelector } from 'react-redux'
 import RackFillBar from './elements/RackFillBar'
 
 function RackSpaceFillContainer({ tileId, ...props }) {
-    const rack = useSelector((state) => state.objects.rack[state.objects.tile[tileId].rack])
+    const rack = useSelector((state) => state.topology.racks[state.topology.tiles[tileId].rack])
     return <RackFillBar {...props} type="space" fillFraction={rack.machines.length / rack.capacity} />
 }
 
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 93ba9c93..65189891 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
@@ -31,7 +31,7 @@ function RoomContainer({ roomId, ...props }) {
         return {
             interactionLevel: state.interactionLevel,
             currentRoomInConstruction: state.construction.currentRoomInConstruction,
-            room: state.objects.room[roomId],
+            room: state.topology.rooms[roomId],
         }
     })
     const dispatch = useDispatch()
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/TileContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/TileContainer.js
index 149e26a1..411a5ca7 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/TileContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/TileContainer.js
@@ -28,7 +28,7 @@ import TileGroup from './groups/TileGroup'
 
 function TileContainer({ tileId, ...props }) {
     const interactionLevel = useSelector((state) => state.interactionLevel)
-    const tile = useSelector((state) => state.objects.tile[tileId])
+    const tile = useSelector((state) => state.topology.tiles[tileId])
 
     const dispatch = useDispatch()
     const onClick = (tile) => {
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/TopologyContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/TopologyContainer.js
index eaebabd5..cc0d46b3 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/TopologyContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/TopologyContainer.js
@@ -22,11 +22,10 @@
 
 import React from 'react'
 import { useSelector } from 'react-redux'
-import { useActiveTopology } from '../../../data/topology'
 import TopologyGroup from './groups/TopologyGroup'
 
 function TopologyContainer() {
-    const topology = useActiveTopology()
+    const topology = useSelector((state) => state.topology.root)
     const interactionLevel = useSelector((state) => state.interactionLevel)
 
     return <TopologyGroup topology={topology} interactionLevel={interactionLevel} />
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/WallContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/WallContainer.js
index 77f553dd..143f70c2 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/WallContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/WallContainer.js
@@ -26,7 +26,9 @@ import { useSelector } from 'react-redux'
 import WallGroup from './groups/WallGroup'
 
 function WallContainer({ roomId, ...props }) {
-    const tiles = useSelector((state) => state.objects.room[roomId].tiles.map((tileId) => state.objects.tile[tileId]))
+    const tiles = useSelector((state) => {
+        return state.topology.rooms[roomId].tiles.map((tileId) => state.topology.tiles[tileId])
+    })
     return <WallGroup {...props} tiles={tiles} />
 }
 
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/layers/ObjectHoverLayer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/layers/ObjectHoverLayer.js
index 47d9c992..1f00de36 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/layers/ObjectHoverLayer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/layers/ObjectHoverLayer.js
@@ -34,8 +34,8 @@ function ObjectHoverLayer() {
             return false
         }
 
-        const currentRoom = state.objects.room[state.interactionLevel.roomId]
-        const tiles = currentRoom.tiles.map((tileId) => state.objects.tile[tileId])
+        const currentRoom = state.topology.rooms[state.interactionLevel.roomId]
+        const tiles = currentRoom.tiles.map((tileId) => state.topology.tiles[tileId])
         const tile = findTileWithPosition(tiles, x, y)
 
         return !(tile === null || tile.rack)
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/map/layers/RoomHoverLayer.js b/opendc-web/opendc-web-ui/src/components/topologies/map/layers/RoomHoverLayer.js
index 59f83b2b..5e351691 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/map/layers/RoomHoverLayer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/map/layers/RoomHoverLayer.js
@@ -35,17 +35,17 @@ function RoomHoverLayer() {
     const onClick = (x, y) => dispatch(toggleTileAtLocation(x, y))
     const isEnabled = useSelector((state) => state.construction.currentRoomInConstruction !== '-1')
     const isValid = useSelector((state) => (x, y) => {
-        const newRoom = { ...state.objects.room[state.construction.currentRoomInConstruction] }
-        const oldRooms = Object.keys(state.objects.room)
-            .map((id) => ({ ...state.objects.room[id] }))
+        const newRoom = { ...state.topology.rooms[state.construction.currentRoomInConstruction] }
+        const oldRooms = Object.keys(state.topology.rooms)
+            .map((id) => ({ ...state.topology.rooms[id] }))
             .filter(
                 (room) =>
-                    state.objects.topology[state.currentTopologyId].rooms.indexOf(room._id) !== -1 &&
+                    state.topology.root.rooms.indexOf(room._id) !== -1 &&
                     room._id !== state.construction.currentRoomInConstruction
             )
 
         ;[...oldRooms, newRoom].forEach((room) => {
-            room.tiles = room.tiles.map((tileId) => state.objects.tile[tileId])
+            room.tiles = room.tiles.map((tileId) => state.topology.tiles[tileId])
         })
         if (newRoom.tiles.length === 0) {
             return findPositionInRooms(oldRooms, x, y) === -1
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/DeleteMachine.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/DeleteMachine.js
index 00ce4603..a4b9457b 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/DeleteMachine.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/DeleteMachine.js
@@ -20,21 +20,20 @@
  * SOFTWARE.
  */
 
+import PropTypes from 'prop-types'
 import React, { useState } from 'react'
-import { useDispatch, useSelector } from 'react-redux'
+import { useDispatch } from 'react-redux'
 import { Button } from '@patternfly/react-core'
 import { TrashIcon } from '@patternfly/react-icons'
 import ConfirmationModal from '../../../util/modals/ConfirmationModal'
 import { deleteMachine } from '../../../../redux/actions/topology/machine'
 
-function DeleteMachine() {
+function DeleteMachine({ machineId }) {
     const dispatch = useDispatch()
     const [isVisible, setVisible] = useState(false)
-    const rackId = useSelector((state) => state.objects.tile[state.interactionLevel.tileId].rack)
-    const position = useSelector((state) => state.interactionLevel.position)
     const callback = (isConfirmed) => {
         if (isConfirmed) {
-            dispatch(deleteMachine(rackId, position))
+            dispatch(deleteMachine(machineId))
         }
         setVisible(false)
     }
@@ -53,4 +52,8 @@ function DeleteMachine() {
     )
 }
 
+DeleteMachine.propTypes = {
+    machineId: PropTypes.string.isRequired,
+}
+
 export default DeleteMachine
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/MachineSidebar.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/MachineSidebar.js
index 0c3dea98..9268f615 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/MachineSidebar.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/MachineSidebar.js
@@ -13,9 +13,9 @@ import {
 import { useSelector } from 'react-redux'
 
 function MachineSidebar({ tileId, position }) {
-    const machine = useSelector(({ objects }) => {
-        const rack = objects.rack[objects.tile[tileId].rack]
-        return objects.machine[rack.machines[position - 1]]
+    const machine = useSelector(({ topology }) => {
+        const rack = topology.racks[topology.tiles[tileId].rack]
+        return topology.machines[rack.machines[position - 1]]
     })
     const machineId = machine._id
     return (
@@ -30,7 +30,7 @@ function MachineSidebar({ tileId, position }) {
                 </TextList>
 
                 <Title headingLevel="h2">Actions</Title>
-                <DeleteMachine />
+                <DeleteMachine machineId={machineId} />
 
                 <Title headingLevel="h2">Units</Title>
             </TextContent>
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitAddContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitAddContainer.js
index fc805b95..6b136120 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitAddContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitAddContainer.js
@@ -27,7 +27,7 @@ import UnitAddComponent from './UnitAddComponent'
 import { addUnit } from '../../../../redux/actions/topology/machine'
 
 function UnitAddContainer({ machineId, unitType }) {
-    const units = useSelector((state) => Object.values(state.objects[unitType]))
+    const units = useSelector((state) => Object.values(state.topology[unitType]))
     const dispatch = useDispatch()
 
     const onAdd = (id) => dispatch(addUnit(machineId, unitType, id))
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitListContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitListContainer.js
index 901fa45b..6dcc414f 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitListContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitListContainer.js
@@ -26,18 +26,11 @@ import { useDispatch, useSelector } from 'react-redux'
 import UnitListComponent from './UnitListComponent'
 import { deleteUnit } from '../../../../redux/actions/topology/machine'
 
-const unitMapping = {
-    cpu: 'cpus',
-    gpu: 'gpus',
-    memory: 'memories',
-    storage: 'storages',
-}
-
 function UnitListContainer({ machineId, unitType }) {
     const dispatch = useDispatch()
     const units = useSelector((state) => {
-        const machine = state.objects.machine[machineId]
-        return machine[unitMapping[unitType]].map((id) => state.objects[unitType][id])
+        const machine = state.topology.machines[machineId]
+        return machine[unitType].map((id) => state.topology[unitType][id])
     })
 
     const onDelete = (unit) => dispatch(deleteUnit(machineId, unitType, unit._id))
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitTabsComponent.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitTabsComponent.js
index 6d10d2df..b800e9d4 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitTabsComponent.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/machine/UnitTabsComponent.js
@@ -10,20 +10,20 @@ function UnitTabsComponent({ machineId }) {
     return (
         <Tabs activeKey={activeTab} onSelect={(_, tab) => setActiveTab(tab)}>
             <Tab eventKey="cpu-units" title={<TabTitleText>CPU</TabTitleText>}>
-                <UnitAddContainer machineId={machineId} unitType="cpu" />
-                <UnitListContainer machineId={machineId} unitType="cpu" />
+                <UnitAddContainer machineId={machineId} unitType="cpus" />
+                <UnitListContainer machineId={machineId} unitType="cpus" />
             </Tab>
             <Tab eventKey="gpu-units" title={<TabTitleText>GPU</TabTitleText>}>
-                <UnitAddContainer machineId={machineId} unitType="gpu" />
-                <UnitListContainer machineId={machineId} unitType="gpu" />
+                <UnitAddContainer machineId={machineId} unitType="gpus" />
+                <UnitListContainer machineId={machineId} unitType="gpus" />
             </Tab>
             <Tab eventKey="memory-units" title={<TabTitleText>Memory</TabTitleText>}>
-                <UnitAddContainer machineId={machineId} unitType="memory" />
-                <UnitListContainer machineId={machineId} unitType="memory" />
+                <UnitAddContainer machineId={machineId} unitType="memories" />
+                <UnitListContainer machineId={machineId} unitType="memories" />
             </Tab>
             <Tab eventKey="storage-units" title={<TabTitleText>Storage</TabTitleText>}>
-                <UnitAddContainer machineId={machineId} unitType="storage" />
-                <UnitListContainer machineId={machineId} unitType="storage" />
+                <UnitAddContainer machineId={machineId} unitType="storages" />
+                <UnitListContainer machineId={machineId} unitType="storages" />
             </Tab>
         </Tabs>
     )
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/DeleteRackContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/DeleteRackContainer.js
index 80c6349a..0583a7a4 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/DeleteRackContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/DeleteRackContainer.js
@@ -22,7 +22,7 @@
 
 import PropTypes from 'prop-types'
 import React, { useState } from 'react'
-import { useDispatch } from 'react-redux'
+import { useDispatch, useSelector } from 'react-redux'
 import TrashIcon from '@patternfly/react-icons/dist/js/icons/trash-icon'
 import { Button } from '@patternfly/react-core'
 import ConfirmationModal from '../../../util/modals/ConfirmationModal'
@@ -31,9 +31,10 @@ import { deleteRack } from '../../../../redux/actions/topology/rack'
 function DeleteRackContainer({ tileId }) {
     const dispatch = useDispatch()
     const [isVisible, setVisible] = useState(false)
+    const rackId = useSelector((state) => state.topology.tiles[tileId].rack)
     const callback = (isConfirmed) => {
         if (isConfirmed) {
-            dispatch(deleteRack(tileId))
+            dispatch(deleteRack(tileId, rackId))
         }
         setVisible(false)
     }
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/MachineListContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/MachineListContainer.js
index 6fbff949..619bb4e2 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/MachineListContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/MachineListContainer.js
@@ -28,8 +28,8 @@ import { goFromRackToMachine } from '../../../../redux/actions/interaction-level
 import { addMachine } from '../../../../redux/actions/topology/rack'
 
 function MachineListContainer({ tileId, ...props }) {
-    const rack = useSelector((state) => state.objects.rack[state.objects.tile[tileId].rack])
-    const machines = useSelector((state) => rack.machines.map((id) => state.objects.machine[id]))
+    const rack = useSelector((state) => state.topology.racks[state.topology.tiles[tileId].rack])
+    const machines = useSelector((state) => rack.machines.map((id) => state.topology.machines[id]))
     const machinesNull = useMemo(() => {
         const res = Array(rack.capacity).fill(null)
         for (const machine of machines) {
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackNameContainer.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackNameContainer.js
index 09d73af7..30f38cce 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackNameContainer.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackNameContainer.js
@@ -5,7 +5,7 @@ import NameComponent from '../NameComponent'
 import { editRackName } from '../../../../redux/actions/topology/rack'
 
 const RackNameContainer = ({ tileId }) => {
-    const { name: rackName, _id } = useSelector((state) => state.objects.rack[state.objects.tile[tileId].rack])
+    const { name: rackName, _id } = useSelector((state) => state.topology.racks[state.topology.tiles[tileId].rack])
     const dispatch = useDispatch()
     const callback = (name) => {
         if (name) {
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackSidebar.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackSidebar.js
index 3c9f152a..8f6ff135 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackSidebar.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/rack/RackSidebar.js
@@ -17,7 +17,7 @@ import {
 import { useSelector } from 'react-redux'
 
 function RackSidebar({ tileId }) {
-    const rack = useSelector((state) => state.objects.rack[state.objects.tile[tileId].rack])
+    const rack = useSelector((state) => state.topology.racks[state.topology.tiles[tileId].rack])
 
     return (
         <div className={sidebarContainer}>
diff --git a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/room/RoomName.js b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/room/RoomName.js
index e8d8b33c..fb52d826 100644
--- a/opendc-web/opendc-web-ui/src/components/topologies/sidebar/room/RoomName.js
+++ b/opendc-web/opendc-web-ui/src/components/topologies/sidebar/room/RoomName.js
@@ -27,7 +27,7 @@ import NameComponent from '../NameComponent'
 import { editRoomName } from '../../../../redux/actions/topology/room'
 
 function RoomName({ roomId }) {
-    const { name: roomName, _id } = useSelector((state) => state.objects.room[roomId])
+    const { name: roomName, _id } = useSelector((state) => state.topology.rooms[roomId])
     const dispatch = useDispatch()
     const callback = (name) => {
         if (name) {