Cory hedeen

friends/src/App.css

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+.App {
+  text-align: center;
+}
+
+.App-logo {
+  animation: App-logo-spin infinite 20s linear;
+  height: 40vmin;
+  pointer-events: none;
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

friends/src/App.js

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+import React from 'react';
+import logo from './logo.svg';
+import './App.css';
+import axios from 'axios';
+import Friends from './components/FriendsList';
+import { Route } from 'react-router-dom';
+import Input from './components/Input';
+
+class App extends React.Component {
+  constructor(){
+    super();
+    this.state = {
+      friends: [],
+      newFriend: []
+    }
+  }
+
+componentDidMount(){
+  axios
+    .get("http://localhost:5000/friends")
+    .then(res => this.setState({friends: res.data}))
+    .catch(err => console.log(err))
+}
+
+postFriend = info => {
+  axios.post("http://localhost:5000/friends", info)
+      .then(res => this.setState({newFriend: res.info}))
+      .catch(err=>console.log(err))
+}
+
+  render(){
+  return (
+    <div className="App">
+      <Route exact path="/" render={(props)=>(<Friends
+        {...props}
+        friends={this.state.friends}
+      />)}/>
+      <Route path="/login" render={(props)=>(<Input
+        {...props}
+        postFriend={this.postFriend}
+      />)}/>
+    </div>
+  );
+}
+}
+
+export default App;

friends/src/components/FriendsList.js

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+//friendsList
+import React from 'react';
+import {Link} from 'react-router-dom';
+
+const Friends = props =>{
+  return(
+    <div className="friendList">
+      <span>{props.friends.map(
+        item =>
+        <div>
+        <div>
+          <span>name: {item.name}</span>
+        </div>
+        <div>
+          <span>age: {item.age}</span>
+        </div>
+        <div>
+          <span>email: {item.email}</span>
+        </div>
+        </div>
+      )}</span>
+      <Link to="/login">Log In</Link>
+    </div>
+
+  );
+}
+
+export default Friends;

friends/src/components/Input.js

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+//Input
+
+import React from 'react';
+import { Link } from 'react-router-dom';
+
+class Input extends React.Component {
+constructor(props){
+  super(props);
+  this.state = {
+    profile: {
+    name: '',
+    age: '',
+    email: ''
+  }
+  }
+}
+
+handleChange = event => {
+  this.setState({profile: { ...this.state.profile, [event.target.name]: event.target.value}})
+}
+
+postFriend = e => {
+  e.preventDefault();
+  this.props.postFriend(this.state.profile);
+}
+
+  render(){
+  return(
+    <div>
+      <Link to="/">Home</Link>
+        <form
+        onSubmit={this.postFriend}
+        >
+          <h2>Name</h2>
+          <input
+          type="text"
+          name="name"
+          onChange={this.handleChange}
+          value={this.state.profile.name}
+          />
+            <h2>Age</h2>
+            <input
+            type="text"
+            name="age"
+            onChange={this.handleChange}
+            value={this.state.profile.age}
+            />
+          <h2>Email</h2>
+          <input
+          type="text"
+          name="email"
+          onChange={this.handleChange}
+          value={this.state.profile.email}
+          />
+        </form>
+      <button onClick={this.postFriend}>enter</button>
+    </div>
+  );
+}
+}
+export default Input;

friends/src/index.css

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+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
+    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
+    monospace;
+}
+
+.friendList {
+  text-align: left;
+  line-height: 1.5;
+  margin-left: 20%;
+}

friends/src/index.js

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+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import * as serviceWorker from './serviceWorker';
+import { BrowserRouter as Router } from 'react-router-dom';
+
+ReactDOM.render(
+  <Router>
+  <App />
+  </Router>, document.getElementById('root'));
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();

friends/src/serviceWorker.js

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+// 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();
+    });
+  }
+}