1 files changed, 80 insertions, 0 deletions
diff --git a/frontend/src/reducers/objects.js b/frontend/src/reducers/objects.js
new file mode 100644
index 00000000..99d91092
--- /dev/null
+++ b/frontend/src/reducers/objects.js
@@ -0,0 +1,80 @@
+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";
+
+export const objects = combineReducers({
+  simulation: object("simulation"),
+  user: object("user"),
+  authorization: objectWithId("authorization", object => [
+    object.userId,
+    object.simulationId
+  ]),
+  failureModel: object("failureModel"),
+  cpu: object("cpu"),
+  gpu: object("gpu"),
+  memory: object("memory"),
+  storage: object("storage"),
+  machine: object("machine"),
+  rack: object("rack"),
+  coolingItem: object("coolingItem"),
+  psu: object("psu"),
+  tile: object("tile"),
+  room: object("room"),
+  datacenter: object("datacenter"),
+  section: object("section"),
+  path: object("path"),
+  task: object("task"),
+  job: object("job"),
+  trace: object("trace"),
+  scheduler: object("scheduler"),
+  experiment: object("experiment")
+});
+
+function object(type) {
+  return objectWithId(type, object => object.id);
+}
+
+function objectWithId(type, getId) {
+  return (state = {}, 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;
+  };
+}