diff exp reducer

src/reducers/differential.js

@@ -0,0 +1,38 @@
+const Differential = (state = {
+  diffExp: null,
+  loading: null,
+  error: null,
+  celllist1: null,
+  celllist2: null,
+}, action) => {
+  switch (action.type) {
+  case "request differential expression started":
+    return Object.assign({}, state, {
+      loading: true,
+      error: null
+    });
+  case "request differential expression success":
+    return Object.assign({}, state, {
+      error: null,
+      loading: false,
+      diffExp: action.data,
+    });
+  case "request differential expression error":
+    return Object.assign({}, state, {
+      loading: false,
+      error: action.data
+    });
+  case "store current cell selection as differential set 1":
+    return Object.assign({}, state, {
+      celllist1: action.data
+    });
+  case "store current cell selection as differential set 2":
+    return Object.assign({}, state, {
+      celllist2: action.data
+    });
+  default:
+    return state;
+  }
+};
+
+export default Differential;

src/reducers/index.js

@@ -9,12 +9,14 @@ import initialize from "./initialize";
 import cells from "./cells";
 import expression from "./expression";
 import controls from "./controls";
+import differential from "./differential";
 
 const Reducer = combineReducers({
   initialize,
   cells,
   expression,
   controls,
+  differential,
 })
 
 let store = createStore(