From 235057cd170f1583db14bf93ea7d2de39e492356 Mon Sep 17 00:00:00 2001
From: vincent van beek <vincent@vlogic.nl>
Date: Fri, 27 Mar 2026 14:22:41 +0100
Subject: add prefabs for racks (#392)

* add prefabs for racks
---
 .../src/main/webui/redux/actions/topology/room.js  | 33 ++++++++++++++++------
 .../main/webui/redux/reducers/construction-mode.js | 13 +++++++++
 .../main/webui/redux/reducers/topology/machine.js  |  8 ++++++
 3 files changed, 45 insertions(+), 9 deletions(-)

(limited to 'opendc-web/opendc-web-server/src/main/webui/redux')

diff --git a/opendc-web/opendc-web-server/src/main/webui/redux/actions/topology/room.js b/opendc-web/opendc-web-server/src/main/webui/redux/actions/topology/room.js
index 14cc126c..70c93d1f 100644
--- a/opendc-web/opendc-web-server/src/main/webui/redux/actions/topology/room.js
+++ b/opendc-web/opendc-web-server/src/main/webui/redux/actions/topology/room.js
@@ -1,4 +1,6 @@
 import { v4 as uuid } from 'uuid'
+import { normalize } from 'normalizr'
+import { Rack as RackSchema } from '../../../util/topology-schema'
 import {
     DEFAULT_RACK_SLOT_CAPACITY,
     DEFAULT_RACK_POWER_CAPACITY,
@@ -31,9 +33,10 @@ export function editRoomName(roomId, name) {
     }
 }
 
-export function startRackConstruction() {
+export function startRackConstruction(rackPrefab) {
     return {
         type: START_RACK_CONSTRUCTION,
+        rackPrefab,
     }
 }
 
@@ -45,22 +48,34 @@ export function stopRackConstruction() {
 
 export function addRackToTile(positionX, positionY) {
     return (dispatch, getState) => {
-        const { topology, interactionLevel } = getState()
+        const { topology, interactionLevel, construction } = getState()
         const currentRoom = topology.rooms[interactionLevel.roomId]
         const tiles = currentRoom.tiles.map((tileId) => topology.tiles[tileId])
         const tile = findTileWithPosition(tiles, positionX, positionY)
 
         if (tile !== null) {
+            const prefab = construction.currentRackPrefab
+            const rackId = uuid()
+            const rack = prefab
+                ? {
+                      ...prefab.rack,
+                      id: rackId,
+                      machines: (prefab.rack.machines || []).map((m) => ({ ...m, id: uuid(), rackId })),
+                  }
+                : {
+                      id: rackId,
+                      name: 'Rack',
+                      capacity: DEFAULT_RACK_SLOT_CAPACITY,
+                      powerCapacityW: DEFAULT_RACK_POWER_CAPACITY,
+                      machines: [],
+                  }
+
+            const { entities, result: normalizedRackId } = normalize(rack, RackSchema)
             dispatch({
                 type: ADD_RACK_TO_TILE,
                 tileId: tile.id,
-                rack: {
-                    id: uuid(),
-                    name: 'Rack',
-                    capacity: DEFAULT_RACK_SLOT_CAPACITY,
-                    powerCapacityW: DEFAULT_RACK_POWER_CAPACITY,
-                    machines: [],
-                },
+                rack: entities.racks[normalizedRackId],
+                entities,
             })
         }
     }
diff --git a/opendc-web/opendc-web-server/src/main/webui/redux/reducers/construction-mode.js b/opendc-web/opendc-web-server/src/main/webui/redux/reducers/construction-mode.js
index d0aac5ae..8520e794 100644
--- a/opendc-web/opendc-web-server/src/main/webui/redux/reducers/construction-mode.js
+++ b/opendc-web/opendc-web-server/src/main/webui/redux/reducers/construction-mode.js
@@ -37,7 +37,20 @@ export function inRackConstructionMode(state = false, action) {
     }
 }
 
+export function currentRackPrefab(state = null, action) {
+    switch (action.type) {
+        case START_RACK_CONSTRUCTION:
+            return action.rackPrefab || null
+        case STOP_RACK_CONSTRUCTION:
+        case GO_DOWN_ONE_INTERACTION_LEVEL:
+            return null
+        default:
+            return state
+    }
+}
+
 export const construction = combineReducers({
     currentRoomInConstruction,
     inRackConstructionMode,
+    currentRackPrefab,
 })
diff --git a/opendc-web/opendc-web-server/src/main/webui/redux/reducers/topology/machine.js b/opendc-web/opendc-web-server/src/main/webui/redux/reducers/topology/machine.js
index 1789257b..5cf38726 100644
--- a/opendc-web/opendc-web-server/src/main/webui/redux/reducers/topology/machine.js
+++ b/opendc-web/opendc-web-server/src/main/webui/redux/reducers/topology/machine.js
@@ -2,11 +2,19 @@ import produce from 'immer'
 import { STORE_TOPOLOGY } from '../../actions/topology'
 import { DELETE_MACHINE, ADD_UNIT, DELETE_UNIT } from '../../actions/topology/machine'
 import { ADD_MACHINE, DELETE_RACK } from '../../actions/topology/rack'
+import { ADD_RACK_TO_TILE } from '../../actions/topology/room'
 
 function machine(state = {}, action, { racks }) {
     switch (action.type) {
         case STORE_TOPOLOGY:
             return action.entities.machines || {}
+        case ADD_RACK_TO_TILE:
+            return produce(state, (draft) => {
+                const { entities } = action
+                if (entities && entities.machines) {
+                    Object.assign(draft, entities.machines)
+                }
+            })
         case ADD_MACHINE:
             return produce(state, (draft) => {
                 const { machine } = action
-- 
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