Add user ratings

Summary:
Adds a star rating to flipper internal.

Based on the nuclide behaviour:
We get an event emitted when a user changes their rating.
And we also get the rating with every ping event, which is fired every minute, if flipper is the primary window.

The only thing I don't like that much is that this doesn't actually say anywhere what the stars are for.

Reviewed By: passy

Differential Revision: D16420281

fbshipit-source-id: 69a52f64058955d7cd068215478e95c554cb9ed4

src/reducers/application.js

@@ -46,6 +46,7 @@ export type State = {
   serverPorts: ServerPorts,
   downloadingImportData: boolean,
   launcherMsg: LauncherMsg,
+  flipperRating: ?number,
 };
 
 type BooleanActionType =
@@ -81,6 +82,12 @@ export type Action =
         severity: 'warning' | 'error',
         message: string,
       },
+    }
+  | {
+      type: 'SET_FLIPPER_RATING',
+      payload: {
+        rating: number,
+      },
     };
 
 const initialState: () => State = () => ({
@@ -100,6 +107,7 @@ const initialState: () => State = () => ({
     severity: 'warning',
     message: '',
   },
+  flipperRating: null,
 });
 
 export default function reducer(state: State, action: Action): State {
@@ -146,6 +154,11 @@ export default function reducer(state: State, action: Action): State {
       ...state,
       launcherMsg: action.payload,
     };
+  } else if (action.type === 'SET_FLIPPER_RATING') {
+    return {
+      ...state,
+      flipperRating: action.payload.rating,
+    };
   } else {
     return state;
   }
@@ -183,3 +196,10 @@ export const toggleRightSidebarAvailable = (payload?: boolean): Action => ({
   type: 'rightSidebarAvailable',
   payload,
 });
+
+export const setFlipperRating = (rating: number): Action => ({
+  type: 'SET_FLIPPER_RATING',
+  payload: {
+    rating,
+  },
+});

src/reducers/index.js

@@ -64,7 +64,14 @@ export type Store = ReduxStore<State, Actions>;
 export type MiddlewareAPI = ReduxMiddlewareAPI<State, Actions>;
 
 export default combineReducers<_, Actions>({
-  application,
+  application: persistReducer(
+    {
+      key: 'application',
+      storage,
+      whitelist: ['flipperRating'],
+    },
+    application,
+  ),
   connections: persistReducer(
     {
       key: 'connections',