Introduce dashboard ui reducer

ui/spec/dashboards/reducers/uiSpec.js

@@ -0,0 +1,31 @@
+import reducer from 'src/dashboards/reducers/ui';
+
+import {
+  loadDashboards,
+} from 'src/dashboards/actions';
+
+const noopAction = () => {
+  return {type: 'NOOP'};
+}
+
+let state = undefined;
+
+describe('DataExplorer.Reducers.UI', () => {
+  it('it sets the default state for UI', () => {
+    const actual = reducer(state, noopAction());
+    const expected = {
+      dashboards: [],
+    };
+
+    expect(actual).to.deep.equal(expected);
+  });
+
+  it('can load the dashboards', () => {
+    const dashboards = [{cell: {}, name: "d1"}]
+    const actual = reducer(state, loadDashboards(dashboards));
+    const expected = {
+      dashboards,
+    }
+    expect(actual).to.deep.equal(expected);
+  });
+});

ui/src/dashboards/actions/index.js

@@ -0,0 +1,8 @@
+export function loadDashboards(dashboards) {
+  return {
+    type: 'LOAD_DASHBOARDS',
+    payload: {
+      dashboards,
+    },
+  }
+}

ui/src/dashboards/reducers/ui.js

@@ -0,0 +1,18 @@
+const initialState = {
+  dashboards: [],
+};
+
+export default function ui(state = initialState, action) {
+  switch (action.type) {
+    case 'LOAD_DASHBOARDS': {
+      const {dashboards} = action.payload;
+      const newState = {
+        dashboards,
+      };
+
+      return {...state, ...newState};
+    }
+  }
+
+  return state;
+}

ui/src/store/configureStore.js

@@ -5,12 +5,14 @@ import makeQueryExecuter from 'src/shared/middleware/queryExecuter';
 import * as dataExplorerReducers from 'src/data_explorer/reducers';
 import * as sharedReducers from 'src/shared/reducers';
 import rulesReducer from 'src/kapacitor/reducers/rules';
+import dashboardUI from 'src/dashboards/reducers/ui';
 import persistStateEnhancer from './persistStateEnhancer';
 
 const rootReducer = combineReducers({
   ...sharedReducers,
   ...dataExplorerReducers,
   rules: rulesReducer,
+  dashboardUI,
 });
 
 const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;