1 files changed, 33 insertions, 0 deletions
diff --git a/src/reducers/states.js b/src/reducers/states.js
new file mode 100644
index 00000000..a9eb4ce8
--- /dev/null
+++ b/src/reducers/states.js
@@ -0,0 +1,33 @@
+import {combineReducers} from "redux";
+import {ADD_TO_STATES} from "../actions/states";
+
+export const states = combineReducers({
+    task: objectStates("task"),
+    room: objectStates("room"),
+    rack: objectStates("rack"),
+    machine: objectStates("machine"),
+});
+
+function objectStates(type) {
+    return (state = {}, action) => {
+        if (action.objectType !== type) {
+            return state;
+        }
+
+        if (action.type === ADD_TO_STATES) {
+            return Object.assign(
+                {},
+                state,
+                {
+                    [action.tick]: Object.assign(
+                        {},
+                        state[action.tick],
+                        {[action.object.id]: action.object}
+                    )
+                }
+            );
+        }
+
+        return state;
+    };
+}