Add storing user in localstorage

Author: taesup

src/reducers/auth.js

@@ -1,17 +1,31 @@
 import { LOGIN, LOGOUT, REDIRECT } from '../actions';
 
+const userString = window.localStorage.getItem('user');
+let user = {};
+try {
+  user = JSON.parse(userString) || {};
+} catch (err) {
+  console.log('User not found');
+}
+
 const initialState = {
-  username: '',
-  loggedIn: false,
+  username: user.username || '',
+  loggedIn: user.loggedIn || false,
   redirectUrl: '',
 };
 
 const authReducer = (state = initialState, action) => {
   switch (action.type) {
     case LOGIN:
-      return Object.assign({}, state, { loggedIn: true, username: action.payload });
+      const newLoginState = Object.assign({}, state, { loggedIn: true, username: action.payload });
+      const loginUser = { username: newLoginState.username, loggedIn: newLoginState.loggedIn };
+      window.localStorage.setItem('user', JSON.stringify(loginUser));
+      return newLoginState;
     case LOGOUT:
-      return Object.assign({}, state, { loggedIn: false });
+      const newLogoutState = Object.assign({}, state, { loggedIn: false });
+      const logoutUser = { username: newLogoutState.username, loggedIn: newLogoutState.loggedIn };
+      window.localStorage.setItem('user', JSON.stringify(logoutUser));
+      return newLogoutState;
     case REDIRECT:
       return Object.assign({}, state, { redirectUrl: action.payload });
     default: