Chapter11 and 12/mern-mediastream

Chapter11 and 12/mern-mediastream/.babelrc

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+{
+  "presets": [
+    ["@babel/preset-env",
+      {
+        "targets": {
+          "node": "current"
+        }
+      }
+    ],
+    "@babel/preset-react"
+  ],
+  "plugins": [
+    "react-hot-loader/babel"
+  ]
+}

Chapter11 and 12/mern-mediastream/.gitignore

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+/node_modules/
+/dist/
+/data/
+npm-debug.log

Chapter11 and 12/mern-mediastream/LICENSE.md

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+MIT License
+
+Copyright (c) 2018 Shama Hoque
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Chapter11 and 12/mern-mediastream/README.md

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+# MERN Mediastream
+
+A media streaming application with media upload and stream features - developed using React, Node, Express and MongoDB.
+
+### [Live Demo](http://mediastream2.mernbook.com/ "MERN Mediastream")
+
+#### What you need to run this code
+1. Node (13.12.0)
+2. NPM (6.14.4)
+3. MongoDB (4.2.0)
+
+####  How to run this code
+1. Clone this repository
+2. Open command line in the cloned folder,
+   - To install dependencies, run ```  npm install  ``` or ``` yarn ```
+   - To run the application for development, run ```  npm run development  ``` or ``` yarn development ```
+4. Open [localhost:3000](http://localhost:3000/) in the browser
+----

Chapter11 and 12/mern-mediastream/client/App.js

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+import React from 'react'
+import MainRouter from './MainRouter'
+import {BrowserRouter} from 'react-router-dom'
+import { ThemeProvider } from '@material-ui/styles'
+import theme from './theme'
+import { hot } from 'react-hot-loader'
+
+const App = () => {
+  React.useEffect(() => {
+    const jssStyles = document.querySelector('#jss-server-side')
+    if (jssStyles) {
+      jssStyles.parentNode.removeChild(jssStyles)
+    }
+  }, [])
+  return (
+  <BrowserRouter>
+      <ThemeProvider theme={theme}>
+        <MainRouter/>
+      </ThemeProvider>
+  </BrowserRouter>
+)}
+
+export default hot(module)(App)

Chapter11 and 12/mern-mediastream/client/MainRouter.js

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+import React, {Component} from 'react'
+import {Route, Switch} from 'react-router-dom'
+import Home from './core/Home'
+import Users from './user/Users'
+import Signup from './user/Signup'
+import Signin from './auth/Signin'
+import EditProfile from './user/EditProfile'
+import Profile from './user/Profile'
+import PrivateRoute from './auth/PrivateRoute'
+import Menu from './core/Menu'
+import NewMedia from './media/NewMedia'
+import PlayMedia from './media/PlayMedia'
+import EditMedia from './media/EditMedia'
+
+const MainRouter = ({data}) => {
+  return (<div>
+      <Menu/>
+      <Switch>
+        <Route exact path="/" component={Home}/>
+        <Route path="/users" component={Users}/>
+        <Route path="/signup" component={Signup}/>
+        <Route path="/signin" component={Signin}/>
+        <PrivateRoute path="/user/edit/:userId" component={EditProfile}/>
+        <Route path="/user/:userId" component={Profile}/>
+
+        <PrivateRoute path="/media/new" component={NewMedia}/>
+        <PrivateRoute path="/media/edit/:mediaId" component={EditMedia}/>
+        <Route path="/media/:mediaId" render={(props) => (
+            <PlayMedia {...props} data={data} />
+        )} />
+      </Switch>
+    </div>)
+}
+
+export default MainRouter

Chapter11 and 12/mern-mediastream/client/auth/PrivateRoute.js

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+import React, { Component } from 'react'
+import { Route, Redirect } from 'react-router-dom'
+import auth from './auth-helper'
+
+const PrivateRoute = ({ component: Component, ...rest }) => (
+  <Route {...rest} render={props => (
+    auth.isAuthenticated() ? (
+      <Component {...props}/>
+    ) : (
+      <Redirect to={{
+        pathname: '/signin',
+        state: { from: props.location }
+      }}/>
+    )
+  )}/>
+)
+
+export default PrivateRoute

Chapter11 and 12/mern-mediastream/client/auth/Signin.js

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+import React, {useState} from 'react'
+import Card from '@material-ui/core/Card'
+import CardActions from '@material-ui/core/CardActions'
+import CardContent from '@material-ui/core/CardContent'
+import Button from '@material-ui/core/Button'
+import TextField from '@material-ui/core/TextField'
+import Typography from '@material-ui/core/Typography'
+import Icon from '@material-ui/core/Icon'
+import { makeStyles } from '@material-ui/core/styles'
+import auth from './../auth/auth-helper'
+import {Redirect} from 'react-router-dom'
+import {signin} from './api-auth.js'
+
+const useStyles = makeStyles(theme => ({
+  card: {
+    maxWidth: 600,
+    margin: 'auto',
+    textAlign: 'center',
+    marginTop: theme.spacing(5),
+    paddingBottom: theme.spacing(2)
+  },
+  error: {
+    verticalAlign: 'middle'
+  },
+  title: {
+    marginTop: theme.spacing(2),
+    color: theme.palette.openTitle
+  },
+  textField: {
+    marginLeft: theme.spacing(1),
+    marginRight: theme.spacing(1),
+    width: 300
+  },
+  submit: {
+    margin: 'auto',
+    marginBottom: theme.spacing(2)
+  }
+}))
+
+export default function Signin(props) {
+  const classes = useStyles()
+  const [values, setValues] = useState({
+      email: '',
+      password: '',
+      error: '',
+      redirectToReferrer: false
+  })
+
+  const clickSubmit = () => {
+    const user = {
+      email: values.email || undefined,
+      password: values.password || undefined
+    }
+
+    signin(user).then((data) => {
+      if (data.error) {
+        setValues({ ...values, error: data.error})
+      } else {
+        auth.authenticate(data, () => {
+          setValues({ ...values, error: '',redirectToReferrer: true})
+        })
+      }
+    })
+  }
+
+  const handleChange = name => event => {
+    setValues({ ...values, [name]: event.target.value })
+  }
+
+  const {from} = props.location.state || {
+      from: {
+        pathname: '/'
+      }
+  }
+  const {redirectToReferrer} = values
+  if (redirectToReferrer) {
+      return (<Redirect to={from}/>)
+  }
+
+  return (
+      <Card className={classes.card}>
+        <CardContent>
+          <Typography variant="h6" className={classes.title}>
+            Sign In
+          </Typography>
+          <TextField id="email" type="email" label="Email" className={classes.textField} value={values.email} onChange={handleChange('email')} margin="normal"/><br/>
+          <TextField id="password" type="password" label="Password" className={classes.textField} value={values.password} onChange={handleChange('password')} margin="normal"/>
+          <br/> {
+            values.error && (<Typography component="p" color="error">
+              <Icon color="error" className={classes.error}>error</Icon>
+              {values.error}
+            </Typography>)
+          }
+        </CardContent>
+        <CardActions>
+          <Button color="primary" variant="contained" onClick={clickSubmit} className={classes.submit}>Submit</Button>
+        </CardActions>
+      </Card>
+    )
+}

Chapter11 and 12/mern-mediastream/client/auth/api-auth.js

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+const signin = async (user) => {
+  try {
+    let response = await fetch('/auth/signin/', {
+      method: 'POST',
+      headers: {
+        'Accept': 'application/json',
+        'Content-Type': 'application/json'
+      },
+      credentials: 'include',
+      body: JSON.stringify(user)
+    })
+    return await response.json()
+  } catch(err) {
+    console.log(err)
+  }
+}
+
+const signout = async () => {
+  try {
+    let response = await fetch('/auth/signout/', { method: 'GET' })
+    return await response.json()
+  } catch(err) {
+    console.log(err)
+  }
+}
+
+export {
+  signin,
+  signout
+}

Chapter11 and 12/mern-mediastream/client/auth/auth-helper.js

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+import { signout } from './api-auth.js'
+
+const auth = {
+  isAuthenticated() {
+    if (typeof window == "undefined")
+      return false
+
+    if (sessionStorage.getItem('jwt'))
+      return JSON.parse(sessionStorage.getItem('jwt'))
+    else
+      return false
+  },
+  authenticate(jwt, cb) {
+    if (typeof window !== "undefined")
+      sessionStorage.setItem('jwt', JSON.stringify(jwt))
+    cb()
+  },
+  clearJWT(cb) {
+    if (typeof window !== "undefined")
+      sessionStorage.removeItem('jwt')
+    cb()
+    //optional
+    signout().then((data) => {
+      document.cookie = "t=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;"
+    })
+  }
+}
+
+export default auth

Chapter11 and 12/mern-mediastream/client/core/Home.js

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+import React, {useState, useEffect} from 'react'
+import { makeStyles } from '@material-ui/core/styles'
+import Card from '@material-ui/core/Card'
+import Typography from '@material-ui/core/Typography'
+import MediaList from '../media/MediaList'
+import {listPopular} from '../media/api-media.js'
+
+const useStyles = makeStyles(theme => ({
+  card: {
+    margin: `${theme.spacing(5)}px 30px`
+  },
+  title: {
+    padding:`${theme.spacing(3)}px ${theme.spacing(2.5)}px 0px`,
+    color: theme.palette.text.secondary,
+    fontSize: '1em'
+  },
+  media: {
+    minHeight: 330
+  }
+}))
+
+export default function Home(){
+  const classes = useStyles()
+  const [media, setMedia] = useState([])
+
+  useEffect(() => {
+    const abortController = new AbortController()
+    const signal = abortController.signal
+    listPopular(signal).then((data) => {
+      if (data.error) {
+        console.log(data.error)
+      } else {
+        setMedia(data)
+      }
+    })
+    return function cleanup(){
+      abortController.abort()
+    }
+  }, [])
+  return (
+      <Card className={classes.card}>
+        <Typography variant="h2" className={classes.title}>
+          Popular Videos
+        </Typography>
+          <MediaList media={media}/>
+      </Card>
+  )
+}