Move current dashboard into dashboard reducer

ui/spec/dashboards/reducers/uiSpec.js

@@ -1,7 +1,8 @@
-import reducer from 'src/dashboards/reducers/ui';
+import reducer from 'src/dashboards/reducers/ui'
 
 import {
   loadDashboards,
+  setDashboard,
 } from 'src/dashboards/actions';
 
 const noopAction = () => {
@@ -11,21 +12,37 @@ const noopAction = () => {
 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 dashboard = {id: 2, cells: [], name: "d2"}
+    const dashboards = [
+      {id: 1, cells: [], name: "d1"},
+      dashboard,
+    ]
+
+    const actual = reducer(state, loadDashboards(dashboards, dashboard.id))
     const expected = {
       dashboards,
+      dashboard,
     }
-    expect(actual).to.deep.equal(expected);
+
+    expect(actual).to.deep.equal(expected)
+  });
+
+  it('can set a dashboard', () => {
+    const d1 = {id: 2, cells: [], name: "d2"}
+    const d2 = {id: 2, cells: [], name: "d2"}
+    const dashboards = [
+      d1,
+      d2,
+    ]
+
+    const loadedState = reducer(state, loadDashboards(dashboards, d1.id))
+    const actual = reducer(loadedState, setDashboard(d2.id))
+    const expected = {
+      dashboards,
+      dashboard: d2,
+    }
+
+    expect(actual).to.deep.equal(expected)
   });
 });

ui/src/dashboards/actions/index.js

@@ -1,8 +1,28 @@
-export function loadDashboards(dashboards) {
+import {getDashboards as getDashboardsAPI} from 'src/dashboards/apis'
+
+export function loadDashboards(dashboards, dashboardID) {
   return {
     type: 'LOAD_DASHBOARDS',
     payload: {
       dashboards,
+      dashboardID,
     },
   }
 }
+
+export function setDashboard(dashboardID) {
+  return {
+    type: 'SET_DASHBOARD',
+    payload: {
+      dashboardID,
+    },
+  }
+}
+
+export function getDashboards(dashboardID) {
+  return (dispatch) => {
+    getDashboardsAPI().then(({data: {dashboards}}) => {
+      dispatch(loadDashboards(dashboards, dashboardID))
+    });
+  }
+}

ui/src/dashboards/constants/index.js

@@ -0,0 +1,12 @@
+export const EMPTY_DASHBOARD = {
+  id: 0,
+  name: '',
+  cells: [
+    {
+      x: 0,
+      y: 0,
+      queries: [],
+      name: 'Loading...',
+    },
+  ],
+}

ui/src/dashboards/containers/DashboardPage.js

@@ -2,7 +2,6 @@ import React, {PropTypes} from 'react';
 import {Link} from 'react-router';
 import {connect} from 'react-redux'
 import {bindActionCreators} from 'redux';
-import _ from 'lodash';
 
 import Header from 'src/dashboards/components/DashboardHeader';
 import EditHeader from 'src/dashboards/components/DashboardHeaderEdit';
@@ -11,7 +10,6 @@ import timeRanges from 'hson!../../shared/data/timeRanges.hson';
 
 import * as dashboardActionCreators from 'src/dashboards/actions';
 
-import {getDashboards} from '../apis';
 import {presentationButtonDispatcher} from 'shared/dispatchers'
 
 const {
@@ -39,12 +37,17 @@ const DashboardPage = React.createClass({
       pathname: string.isRequired,
     }).isRequired,
     dashboardActions: shape({
-      loadDashboards: func.isRequired,
+      getDashboards: func.isRequired,
+      setDashboard: func.isRequired,
     }).isRequired,
     dashboards: arrayOf(shape({
       id: number.isRequired,
       cells: arrayOf(shape({})).isRequired,
     })).isRequired,
+    dashboard: shape({
+      id: number.isRequired,
+      cells: arrayOf(shape({})).isRequired,
+    }).isRequired,
     inPresentationMode: bool.isRequired,
     handleClickPresentationButton: func,
   },
@@ -53,34 +56,36 @@ const DashboardPage = React.createClass({
     const fifteenMinutesIndex = 1;
 
     return {
-      dashboard: null,
       timeRange: timeRanges[fifteenMinutesIndex],
       isEditMode: this.props.location.pathname.includes('/edit'),
     };
   },
 
   componentDidMount() {
-    const {params: {dashboardID}, dashboardActions: {loadDashboards}} = this.props;
+    const {
+      params: {dashboardID},
+      dashboardActions: {getDashboards},
+    } = this.props;
 
-    getDashboards().then(({data: {dashboards}}) => {
-      loadDashboards(dashboards)
-      this.setState({
-        dashboard: _.find(dashboards, (d) => d.id.toString() === dashboardID),
-      });
-    });
+    getDashboards(dashboardID)
   },
 
   componentWillReceiveProps(nextProps) {
     const {location: {pathname}} = this.props
-    const {location: {pathname: nextPathname}, params: {dashboardID: nextID}} = nextProps
+    const {
+      location: {pathname: nextPathname},
+      params: {dashboardID: nextID},
+      dashboardActions: {setDashboard},
+    } = nextProps
 
     if (nextPathname.pathname === pathname) {
       return
     }
 
+    setDashboard(nextID)
+
     this.setState({
       isEditMode: nextPathname.includes('/edit'),
-      dashboard: _.find(this.state.dashboards, (d) => d.id.toString() === nextID),
     })
   },
 
@@ -90,20 +95,17 @@ const DashboardPage = React.createClass({
   },
 
   render() {
-    const {timeRange, isEditMode, dashboard} = this.state;
+    const {timeRange, isEditMode} = this.state;
 
     const {
       dashboards,
+      dashboard,
       params: {sourceID},
       inPresentationMode,
       handleClickPresentationButton,
       source,
     } = this.props
 
-    if (!dashboard) {
-      return null
-    }
-
     return (
       <div className="page">
         {
@@ -141,10 +143,15 @@ const DashboardPage = React.createClass({
   },
 });
 
-const mapStateToProps = (state) => ({
-  inPresentationMode: state.appUI.presentationMode,
-  dashboards: state.dashboardUI.dashboards,
-})
+const mapStateToProps = (state) => {
+  const {appUI, dashboardUI: {dashboards, dashboard}} = state
+
+  return {
+    inPresentationMode: appUI.presentationMode,
+    dashboards,
+    dashboard,
+  }
+}
 
 const mapDispatchToProps = (dispatch) => ({
   handleClickPresentationButton: presentationButtonDispatcher(dispatch),

ui/src/dashboards/reducers/ui.js

@@ -1,17 +1,32 @@
+import _ from 'lodash';
+import {EMPTY_DASHBOARD} from 'src/dashboards/constants'
+
+
 const initialState = {
   dashboards: [],
+  dashboard: EMPTY_DASHBOARD,
 };
 
 export default function ui(state = initialState, action) {
   switch (action.type) {
     case 'LOAD_DASHBOARDS': {
-      const {dashboards} = action.payload;
+      const {dashboards, dashboardID} = action.payload;
       const newState = {
         dashboards,
+        dashboard: _.find(dashboards, (d) => d.id === +dashboardID),
       };
 
       return {...state, ...newState};
     }
+
+    case 'SET_DASHBOARD': {
+      const {dashboardID} = action.payload
+      const newState = {
+        dashboard: _.find(state.dashboards, (d) => d.id === +dashboardID),
+      };
+
+      return {...state, ...newState}
+    }
   }
 
   return state;