Finish backend-side

.gitignore

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+backend/node_modules
+backend/public
+frontend/node_modules
+
+cert.pem
+key.pem
+keytmp.pem

backend/.env

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+APP_NAME="backend_coding_assignment"
+SECRET_KEY="Cm4kiCPKcO"
+API_V1="/api"
+PORT=3300
+MONGO_CONNECTION_URL="mongodb+srv://root:root@cluster0.mkuko.mongodb.net/video-assignment?retryWrites=true&w=majority"
+
+# documents name
+CANDIDATE_COLLECTION="candidates"
+QUESTION_COLLECTION="video_questions"
+VIDEO_COLLECTION="videos"
+
+# auth0
+BASE_URL="https://localhost:3300/"
+CLIENT_ID="DIhnDi09YRVFKjkmpJ66aWVrkco9zdNr"
+ISSUER_URL="https://dev-1amdk4ya.us.auth0.com"
+
+# FRONT END
+FRONT_URL="http://localhost:3000/"

backend/app.js

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+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+var cors = require('cors');
+
+// auth0
+const { auth } = require('express-openid-connect');
+var configAuth = require('./config/auth');
+// config env
+var dotenv = require('dotenv').config();
+// setup the connection
+var { connect } = require('./config/connection');
+
+var indexRouter = require('./routes/index');
+var candidateRouter = require('./routes/candidate');
+var questionRouter = require('./routes/question');
+var videoRouter = require('./routes/video');
+
+var app = express();
+
+// set-auth0
+app.use(auth(configAuth));
+// connection-to-db
+connect(process.env.MONGO_CONNECTION_URL);
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'jade');
+
+app.use(cors());
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+const api = process.env.API_V1;
+app.use('/', indexRouter);
+app.use(`${api}/candidate`, candidateRouter);
+app.use(`${api}/question`, questionRouter);
+app.use(`${api}/video`, videoRouter);
+
+app.get('/', (req, res) => {
+  res.send(req.oidc.isAuthenticated() ? 'Logged in' : 'Logged out');
+});
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render('error');
+});
+
+module.exports = app;

backend/bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('backend:server');
+var https = require('https');
+var http = require('http');
+
+const fs = require('fs');
+// const key = fs.readFileSync('../key.pem');
+// const cert = fs.readFileSync('../cert.pem');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+var server = http.createServer(app);
+// var server = https.createServer({key, cert}, app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+
+server.on('error', onError);
+server.on('listening', onListening);
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

backend/config/auth.js

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+'use strict';
+
+require('dotenv').config();
+
+const config = {
+    authRequired: false,
+    auth0Logout: true,
+    secret: process.env.SECRET_KEY,
+    baseURL: process.env.BASE_URL,
+    clientID: process.env.CLIENT_ID,
+    issuerBaseURL: process.env.ISSUER_URL
+};
+
+module.exports = config;

backend/config/connection.js

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+'use strict';
+
+module.exports.connect = async(url) => {
+    const mongoose = require('mongoose');
+    const urlConnection = url;
+
+    // connect it
+    await mongoose.connect(urlConnection, {useNewUrlParser: true, useUnifiedTopology: true});
+    // grab the connection
+    const db = await mongoose.connection;
+
+    // check the error connection
+    db.on('error', console.error.bind(console, 'Error connect to the database'));
+    console.log(`Connected to database ${db.name}`);
+}

backend/controllers/candidate.controller.js

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+'use strict';
+
+const CandidateSchema = require('../models/candidate');
+
+const getAll = async(req, res, next) => {
+    const candidates = await CandidateSchema.find().exec().catch(() => console.log);
+    //
+    res.status(200).json({data: candidates});
+}
+
+module.exports = {
+    getAllCandidate: getAll,
+}

backend/controllers/question.controller.js

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+'use strict';
+
+const QuestionSchema = require('../models/question');
+
+const getAll = async(req, res, next) => {
+    const questions = await QuestionSchema.find().exec();
+    //
+    res.status(200).json({data: questions});
+}
+
+module.exports = {
+    getAllQuestion: getAll,
+}

backend/controllers/videos.controller.js

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+'use strict';
+
+const { ObjectId } = require('bson');
+const VideoSchema = require('../models/video');
+
+const getAll = async(req, res, next) => {
+    const videos = await VideoSchema.find().exec();
+    //
+    res.status(200).json({data: videos});
+}
+
+const getByUserId = async(req, res, next) => {
+    const id = req.params.id;
+    const video = await VideoSchema.find({user_id: ObjectId(id)}).exec();
+
+    res.status(200).json({data: video});
+}
+
+const postVideo = async(req, res, next) => {
+    const userId = req.body.user_id;
+    const questionId = req.body.question_id;
+    const videoPath = req.body.video_path;
+
+    const data = {
+        user_id: ObjectId(userId),
+        question_id: ObjectId(questionId),
+        video_path: videoPath
+    };
+
+    const video = await VideoSchema.create(data);
+    res.status(200).json(video);
+}
+
+module.exports = {
+    getAllVideos: getAll,
+    getVideoByCandidate: getByUserId,
+    postVideo
+}

backend/models/candidate.js

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+'use strict';
+
+require('dotenv').config();
+const mongoose = require('mongoose');
+
+const CandidateSchema = new mongoose.Schema({
+    username: {
+        type: String,
+        required: true
+    },
+    password: {
+        type: String,
+        required: true
+    },
+}, { 
+    timestamps: { createdAt: 'created_at', updatedAt: 'updated_at' },
+    collection: process.env.CANDIDATE_COLLECTION
+});
+
+const candidate = module.exports = mongoose.model(process.env.CANDIDATE_COLLECTION, CandidateSchema);

backend/models/question.js

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+'use strict';
+
+require('dotenv').config();
+const mongoose = require('mongoose');
+
+const QuestionSchema = new mongoose.Schema({
+    question: {
+        type: String,
+        required: true
+    },
+    max_time: {
+        type: Number,
+        default: 1
+    }
+}, { 
+    timestamps: { createdAt: 'created_at', updatedAt: 'updated_at' },
+    collection: process.env.QUESTION_COLLECTION
+});
+
+module.exports = mongoose.model(process.env.QUESTION_COLLECTION, QuestionSchema);

backend/models/video.js

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+'use strict';
+
+require('dotenv').config();
+const mongoose = require('mongoose');
+
+const VideoSchema = new mongoose.Schema({
+    video_path: {
+        type: String,
+        required: true
+    },
+    user_id: {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: process.env.CANDIDATE_COLLECTION,
+        required: true
+    },
+    question_id: {
+        type: mongoose.Schema.Types.ObjectId,
+        ref: process.env.QUESTION_COLLECTION,
+        required: true
+    },
+}, { 
+    timestamps: { createdAt: 'created_at', updatedAt: 'updated_at' },
+    collection: process.env.VIDEO_COLLECTION 
+});
+
+module.exports = mongoose.model(process.env.VIDEO_COLLECTION, VideoSchema);