Still working on Auth State

twistter-frontend/src/App.js

@@ -1,30 +1,34 @@
 /* eslint-disable */
-import React, { Component } from 'react';
+import React, { Component } from "react";
 
-import './App.css';
+import "./App.css";
 
-import { BrowserRouter as Router } from 'react-router-dom';
-import Route from 'react-router-dom/Route';
-import Navbar from './components/layout/NavBar';
-import jwtDecode from 'jwt-decode';
+import { BrowserRouter as Router } from "react-router-dom";
+import Route from "react-router-dom/Route";
+import Navbar from "./components/layout/NavBar";
+import jwtDecode from "jwt-decode";
+
+// Redux
+import { Provider } from "react-redux";
+import store from "./redux/store";
 
 // Components
-import AuthRoute from './util/AuthRoute';
+import AuthRoute from "./util/AuthRoute";
 
-import home from './pages/Home';
-import register from './pages/Register';
-import login from './pages/Login';
-import user from './pages/user';
-import writeMicroblog from './Writing_Microblogs.js';
-import edit from './pages/edit.js';
-import userLine from './Userline.js';
+import home from "./pages/Home";
+import register from "./pages/Register";
+import login from "./pages/Login";
+import user from "./pages/user";
+import writeMicroblog from "./Writing_Microblogs.js";
+import edit from "./pages/edit.js";
+import userLine from "./Userline.js";
 
 let authenticated;
 const token = localStorage.FBIdToken;
 if (token) {
   const decodedToken = jwtDecode(token);
   if (decodedToken.exp * 1000 < Date.now()) {
-    window.location.href = '/login';
+    window.location.href = "/login";
     authenticated = false;
   } else {
     authenticated = true;
@@ -34,21 +38,37 @@ if (token) {
 class App extends Component {
   render() {
     return (
+      <Provider store={store}>
         <Router>
-        <div className='container' >
+          <div className="container">
             <Navbar />
           </div>
           <div className="app">
-          <AuthRoute exact path="/" component={home} authenticated={authenticated}/>
-          <AuthRoute exact path="/register" component={register} authenticated={authenticated}/>
-          <AuthRoute exact path="/login" component={login} authenticated={authenticated}/>
-          <Route exact path="/user" component={user}/>
-          <Route exact path="/home" component={writeMicroblog}/>
-          <Route exact path="/edit" component={edit}/>
-          <Route exact path="/userline" component={userLine}/>
+            <AuthRoute
+              exact
+              path="/"
+              component={home}
+              authenticated={authenticated}
+            />
+            <AuthRoute
+              exact
+              path="/register"
+              component={register}
+              authenticated={authenticated}
+            />
+            <AuthRoute
+              exact
+              path="/login"
+              component={login}
+              authenticated={authenticated}
+            />
+            <Route exact path="/user" component={user} />
+            <Route exact path="/home" component={writeMicroblog} />
+            <Route exact path="/edit" component={edit} />
+            <Route exact path="/userline" component={userLine} />
           </div>
-
         </Router>
+      </Provider>
     );
   }
 }

twistter-frontend/src/index.js

@@ -1,8 +1,11 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
 import App from './App';
+import * as serviceWorker from './serviceWorker';
 
 ReactDOM.render(
   <App />,
   document.getElementById('root')
 );
+
+serviceWorker.unregister();

twistter-frontend/src/pages/Login.js

@@ -11,6 +11,10 @@ import TextField from "@material-ui/core/TextField";
 import Typography from "@material-ui/core/Typography";
 import withStyles from "@material-ui/core/styles/withStyles";
 
+// Redux stuff
+import { connect } from 'react-redux';
+import { loginUser } from '../redux/actions/userActions';
+
 const styles = {
   form: {
     textAlign: "center"
@@ -55,40 +59,26 @@ export class Login extends Component {
     this.state = {
       email: "",
       password:"",
-      loading: false,
       errors: {}
     };
   }
 
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.UI.errors) {
+      this.setState({ errors: nextProps.UI.errors });
+    }
+  }
+
   // Runs whenever the submit button is clicked.
   // Updates the database entry of the signed in user with the
   // data stored in the state.
   handleSubmit = (event) => {
     event.preventDefault();
-    this.setState({
-      loading: true
-    });
     const loginData = {
       email: this.state.email,
       password: this.state.password,
     };
-    axios
-      .post("/login", loginData)
-      .then((res) => {
-        // Save the login token
-        localStorage.setItem('FBIdToken', `Bearer ${res.data.token}`);
-        this.setState({
-          loading: false
-        });
-        // Redirects to home page
-        this.props.history.push('/home');
-      })
-      .catch((err) => {
-        this.setState({
-          errors: err.response.data,
-          loading: false
-        });
-      });
+    this.props.loginUser(loginData, this.props.history);
   };
 
   // Updates the state whenever one of the textboxes changes.
@@ -104,8 +94,8 @@ export class Login extends Component {
   };
 
   render() {
-    const { classes } = this.props;
-    const { errors, loading } = this.state;
+    const { classes, UI: { loading } } = this.props;
+    const { errors } = this.state;
 
     return (
       <Grid container className={classes.form}>
@@ -165,7 +155,19 @@ export class Login extends Component {
 }
 
 Login.propTypes = {
-  classes: PropTypes.object.isRequired
+  classes: PropTypes.object.isRequired,
+  loginUser: PropTypes.func.isRequired,
+  user: PropTypes.object.isRequired,
+  UI: PropTypes.object.isRequired
 };
 
-export default withStyles(styles)(Login);
+const mapStateToProps = (state) => ({
+  user: state.user,
+  UI: state.UI,
+});
+
+const mapActionsToProps = {
+  loginUser
+}
+
+export default connect(mapStateToProps, mapActionsToProps)(withStyles(styles)(Login));

twistter-frontend/src/redux/actions/userActions.js

@@ -0,0 +1,35 @@
+import {SET_USER, SET_ERRORS, CLEAR_ERRORS, LOADING_UI} from '../types';
+import axios from 'axios';
+
+export const loginUser = (loginData, history) => (dispatch) => {
+    dispatch({ type: LOADING_UI });
+    axios
+      .post("/login", loginData)
+      .then((res) => {
+        // Save the login token
+        const FBIdToken = `Bearer ${res.data.token}`;
+        localStorage.setItem('FBIdToken', FBIdToken);
+        axios.defaults.headers.common['Authorization'] = FBIdToken;
+        dispatch(getProfileInfo());
+        dispatch({ type: CLEAR_ERRORS })
+        // Redirects to home page
+        history.push('/home');
+      })
+      .catch((err) => {
+        dispatch ({
+            type: SET_ERRORS,
+            payload: err.response.data,
+        })
+      });
+}
+
+export const getProfileInfo = () => (dispatch) => {
+    axios.get('/getProfileInfo')
+        .then((res) => {
+            dispatch({
+                type: SET_USER,
+                payload: res.data,
+            })
+        })
+        .catch((err) => console.error(err));
+}

twistter-frontend/src/redux/reducers/uiReducer.js

@@ -0,0 +1,30 @@
+import { SET_ERRORS, CLEAR_ERRORS, LOADING_UI } from '../types';
+
+const initialState = {
+    loading: false,
+    errors: null
+};
+
+export default function(state = initialState, action) {
+    switch(action.type) {
+        case SET_ERRORS:
+            return {
+                ...state,
+                loading: false,
+                errors: action.payload
+            };
+        case CLEAR_ERRORS:
+            return {
+                ...state,
+                loading: false,
+                errors: null
+            };
+        case LOADING_UI:
+            return {
+                ...state,
+                loading: true
+            }
+        default:
+            return state;
+    }
+}

twistter-frontend/src/redux/reducers/userReducer.js

@@ -0,0 +1,28 @@
+import {SET_USER, SET_ERRORS, CLEAR_ERRORS, LOADING_UI, SET_AUTHENTICATED, SET_UNAUTHENTICATED} from '../types';
+
+const initialState = {
+    authenticated: false,
+    credentials: {},
+    likes: [],
+    notifications: []
+};
+
+export default function(state = initialState, action) {
+    switch(action.type) {
+        case SET_AUTHENTICATED:
+            return {
+                ...state, 
+                authenticated: true,
+
+            };
+        case SET_UNAUTHENTICATED:
+            return initialState;
+        case SET_USER:
+            return {
+                authenticated: true,
+                ...action.payload,
+            };
+        default:
+            return state;
+    }
+}

twistter-frontend/src/redux/store.js

@@ -0,0 +1,27 @@
+import { createStore, combineReducers, applyMiddleware, compose } from "redux";
+import thunk from "redux-thunk";
+
+import userReducer from "./reducers/userReducer";
+import dataReducer from "./reducers/dataReducer";
+import uiReducer from "./reducers/uiReducer";
+
+const initialState = {};
+
+const middleWare = [thunk];
+
+const reducers = combineReducers({
+  user: userReducer,
+  data: dataReducer,
+  UI: uiReducer
+});
+
+const store = createStore(
+  reducers,
+  initialState,
+  compose(
+    applyMiddleware(...middleWare),
+    window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__()
+  )
+);
+
+export default store;

twistter-frontend/src/redux/types.js

@@ -0,0 +1,12 @@
+// User reducer types
+export const SET_AUTHENTICATED = 'SET_AUTHENTICATED';
+export const SET_UNAUTHENTICATED = 'SET_UNAUTHENTICATED';
+export const SET_USER = 'SET_USER';
+export const LOADING_USER = 'LOADING_USER';
+
+// UI reducer types
+export const SET_ERRORS = 'SET_ERRORS';
+export const LOADING_UI = 'LOADING_UI';
+export const CLEAR_ERRORS = 'CLEAR_ERRORS';
+
+// Data reducer types

twistter-frontend/src/serviceWorker.js

@@ -0,0 +1,135 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+    window.location.hostname === 'localhost' ||
+      // [::1] is the IPv6 localhost address.
+      window.location.hostname === '[::1]' ||
+      // 127.0.0.1/8 is considered localhost for IPv4.
+      window.location.hostname.match(
+        /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+      )
+  );
+  
+  export function register(config) {
+    if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+      // The URL constructor is available in all browsers that support SW.
+      const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+      if (publicUrl.origin !== window.location.origin) {
+        // Our service worker won't work if PUBLIC_URL is on a different origin
+        // from what our page is served on. This might happen if a CDN is used to
+        // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+        return;
+      }
+  
+      window.addEventListener('load', () => {
+        const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+  
+        if (isLocalhost) {
+          // This is running on localhost. Let's check if a service worker still exists or not.
+          checkValidServiceWorker(swUrl, config);
+  
+          // Add some additional logging to localhost, pointing developers to the
+          // service worker/PWA documentation.
+          navigator.serviceWorker.ready.then(() => {
+            console.log(
+              'This web app is being served cache-first by a service ' +
+                'worker. To learn more, visit https://bit.ly/CRA-PWA'
+            );
+          });
+        } else {
+          // Is not localhost. Just register service worker
+          registerValidSW(swUrl, config);
+        }
+      });
+    }
+  }
+  
+  function registerValidSW(swUrl, config) {
+    navigator.serviceWorker
+      .register(swUrl)
+      .then(registration => {
+        registration.onupdatefound = () => {
+          const installingWorker = registration.installing;
+          if (installingWorker == null) {
+            return;
+          }
+          installingWorker.onstatechange = () => {
+            if (installingWorker.state === 'installed') {
+              if (navigator.serviceWorker.controller) {
+                // At this point, the updated precached content has been fetched,
+                // but the previous service worker will still serve the older
+                // content until all client tabs are closed.
+                console.log(
+                  'New content is available and will be used when all ' +
+                    'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+                );
+  
+                // Execute callback
+                if (config && config.onUpdate) {
+                  config.onUpdate(registration);
+                }
+              } else {
+                // At this point, everything has been precached.
+                // It's the perfect time to display a
+                // "Content is cached for offline use." message.
+                console.log('Content is cached for offline use.');
+  
+                // Execute callback
+                if (config && config.onSuccess) {
+                  config.onSuccess(registration);
+                }
+              }
+            }
+          };
+        };
+      })
+      .catch(error => {
+        console.error('Error during service worker registration:', error);
+      });
+  }
+  
+  function checkValidServiceWorker(swUrl, config) {
+    // Check if the service worker can be found. If it can't reload the page.
+    fetch(swUrl)
+      .then(response => {
+        // Ensure service worker exists, and that we really are getting a JS file.
+        const contentType = response.headers.get('content-type');
+        if (
+          response.status === 404 ||
+          (contentType != null && contentType.indexOf('javascript') === -1)
+        ) {
+          // No service worker found. Probably a different app. Reload the page.
+          navigator.serviceWorker.ready.then(registration => {
+            registration.unregister().then(() => {
+              window.location.reload();
+            });
+          });
+        } else {
+          // Service worker found. Proceed as normal.
+          registerValidSW(swUrl, config);
+        }
+      })
+      .catch(() => {
+        console.log(
+          'No internet connection found. App is running in offline mode.'
+        );
+      });
+  }
+  
+  export function unregister() {
+    if ('serviceWorker' in navigator) {
+      navigator.serviceWorker.ready.then(registration => {
+        registration.unregister();
+      });
+    }
+  }

twistter-frontend/src/util/AuthRoute.js

@@ -1,11 +1,22 @@
 import React from 'react'
 import { Route, Redirect} from 'react-router-dom';
+import { connect } from 'react-redux';
+import PropTypes from 'prop-types';
 
-const AuthRoute = ({ component: Component, authenticated, ...rest}) => (
+const AuthRoute = ({ component: Component, authenticated, ...rest }) => (
     <Route 
     {...rest}
-    render = {(props) => authenticated === true ? <Redirect to='/home'/> : <Component {...props} />}
+    render={(props) => 
+        authenticated === true ? <Redirect to='/home'/> : <Component {...props} />}
     />
-)
+);
 
-export default AuthRoute;
+const mapStateToProps = (state) => ({
+    authenticated: state.user.authenticated
+});
+
+AuthRoute.propTypes = {
+    user: PropTypes.object
+}
+
+export default connect(mapStateToProps)(AuthRoute);