1 files changed, 64 insertions, 0 deletions
diff --git a/opendc-web/opendc-web-ui/src/reducers/objects.js b/opendc-web/opendc-web-ui/src/reducers/objects.js
new file mode 100644
index 00000000..1f721b2e
--- /dev/null
+++ b/opendc-web/opendc-web-ui/src/reducers/objects.js
@@ -0,0 +1,64 @@
+import { combineReducers } from 'redux'
+import {
+    ADD_ID_TO_STORE_OBJECT_LIST_PROP,
+    ADD_PROP_TO_STORE_OBJECT,
+    ADD_TO_STORE,
+    REMOVE_ID_FROM_STORE_OBJECT_LIST_PROP,
+} from '../actions/objects'
+import { CPU_UNITS, GPU_UNITS, MEMORY_UNITS, STORAGE_UNITS } from '../util/unit-specifications'
+
+export const objects = combineReducers({
+    project: object('project'),
+    user: object('user'),
+    authorization: objectWithId('authorization', (object) => [object.userId, object.projectId]),
+    cpu: object('cpu', CPU_UNITS),
+    gpu: object('gpu', GPU_UNITS),
+    memory: object('memory', MEMORY_UNITS),
+    storage: object('storage', STORAGE_UNITS),
+    machine: object('machine'),
+    rack: object('rack'),
+    tile: object('tile'),
+    room: object('room'),
+    topology: object('topology'),
+    trace: object('trace'),
+    scheduler: object('scheduler'),
+    portfolio: object('portfolio'),
+    scenario: object('scenario'),
+    prefab: object('prefab'),
+})
+
+function object(type, defaultState = {}) {
+    return objectWithId(type, (object) => object._id, defaultState)
+}
+
+function objectWithId(type, getId, defaultState = {}) {
+    return (state = defaultState, action) => {
+        if (action.objectType !== type) {
+            return state
+        }
+
+        if (action.type === ADD_TO_STORE) {
+            return Object.assign({}, state, {
+                [getId(action.object)]: action.object,
+            })
+        } else if (action.type === ADD_PROP_TO_STORE_OBJECT) {
+            return Object.assign({}, state, {
+                [action.objectId]: Object.assign({}, state[action.objectId], action.propObject),
+            })
+        } else if (action.type === ADD_ID_TO_STORE_OBJECT_LIST_PROP) {
+            return Object.assign({}, state, {
+                [action.objectId]: Object.assign({}, state[action.objectId], {
+                    [action.propName]: [...state[action.objectId][action.propName], action.id],
+                }),
+            })
+        } else if (action.type === REMOVE_ID_FROM_STORE_OBJECT_LIST_PROP) {
+            return Object.assign({}, state, {
+                [action.objectId]: Object.assign({}, state[action.objectId], {
+                    [action.propName]: state[action.objectId][action.propName].filter((id) => id !== action.id),
+                }),
+            })
+        }
+
+        return state
+    }
+}