add mean.io full stack project

f87137c8 · Wichit Sombat · f084ac2e · f87137c8 · f87137c8 · f87137c8
Unverified Commit f87137c8 authored Sep 03, 2020 by Wichit Sombat
117 changed files
--- a/02-Sept-2020/mean/.dockerignore
+++ b/02-Sept-2020/mean/.dockerignore
+.git/
+dist/
+examples/
+node_modules/
--- a/02-Sept-2020/mean/.editorconfig
+++ b/02-Sept-2020/mean/.editorconfig
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false
--- a/02-Sept-2020/mean/.env.example
+++ b/02-Sept-2020/mean/.env.example
+NODE_ENV=development
+SERVER_PORT=4040
+JWT_SECRET=0a6b944d-d2fb-46fc-a85e-0295c986cd9f
+MONGO_HOST=mongodb://localhost/mean
+MEAN_FRONTEND=angular
--- a/02-Sept-2020/mean/.gitignore
+++ b/02-Sept-2020/mean/.gitignore
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# compiled output
+/dist
+/dist-server
+/tmp
+/out-tsc
+
+# dependencies
+/node_modules
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# misc
+/.sass-cache
+/connect.lock
+/coverage
+/libpeerconnection.log
+npm-debug.log
+yarn-error.log
+testem.log
+/typings
+
+# e2e
+/e2e/*.js
+/e2e/*.map
+
+# System Files
+.DS_Store
+Thumbs.db
+
+# Env file
+*.env
--- a/02-Sept-2020/mean/CNAME
+++ b/02-Sept-2020/mean/CNAME
+www.mean.io
--- a/02-Sept-2020/mean/Dockerfile
+++ b/02-Sept-2020/mean/Dockerfile
+FROM node:lts-buster
+
+WORKDIR /usr/src/app
+ADD . /usr/src/app
+
+RUN yarn
+RUN yarn build
+
+EXPOSE 4040
+
+CMD ["yarn", "serve"]
--- a/02-Sept-2020/mean/README.md
+++ b/02-Sept-2020/mean/README.md
+## Welcome to the mean stack
+
+The mean stack is intended to provide a simple and fun starting point for cloud native fullstack javascript applications.   
+MEAN is a set of Open Source components that together, provide an end-to-end framework for building dynamic web applications; starting from the top (code running in the browser) to the bottom (database). The stack is made up of:
+
+- **M**ongoDB : Document database – used by your back-end application to store its data as JSON (JavaScript Object Notation) documents
+- **E**xpress (sometimes referred to as Express.js): Back-end web application framework running on top of Node.js
+- **A**ngular (formerly Angular.js): Front-end web app framework; runs your JavaScript code in the user's browser, allowing your application UI to be dynamic
+- **N**ode.js : JavaScript runtime environment – lets you implement your application back-end in JavaScript
+
+### Pre-requisites
+* git - [Installation guide](https://www.linode.com/docs/development/version-control/how-to-install-git-on-linux-mac-and-windows/) .  
+* node.js - [Download page](https://nodejs.org/en/download/) .  
+* npm - comes with node or download yarn - [Download page](https://yarnpkg.com/lang/en/docs/install) .  
+* mongodb - [Download page](https://www.mongodb.com/download-center/community) .  
+
+### Installation 
+``` 
+git clone https://github.com/linnovate/mean
+cd mean
+cp .env.example .env
+yarn
+yarn start (for development)
+```
+### Docker based 
+``` 
+git clone https://github.com/linnovate/mean
+cd mean
+cp .env.example .env
+docker-compose up -d
+```
+### Credits 
+- The MEAN name was coined by Valeri Karpov.
+- Initial concept and development was done by Amos Haviv and sponsered by Linnovate.
+- Inspired by the great work of Madhusudhan Srinivasa.
--- a/02-Sept-2020/mean/_config.yml
+++ b/02-Sept-2020/mean/_config.yml
+theme: jekyll-theme-minimal
+logo: https://www.linnovate.net/sites/all/themes/linnovate/images/mean-picture.png
--- a/02-Sept-2020/mean/_layouts/default.html
+++ b/02-Sept-2020/mean/_layouts/default.html
+<!DOCTYPE html>
+<html lang="{{ site.lang | default: "en-US" }}">
+  <head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+
+{% seo %}
+    <link rel="stylesheet" href="{{ "/assets/css/style.css?v=" | append: site.github.build_revision | relative_url }}">
+    <!--[if lt IE 9]>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
+    <![endif]-->
+  </head>
+  <body>
+    <div class="wrapper">
+      <header>
+        {% if site.logo %}
+          <img class="logo"  src="{{site.logo | relative_url}}" alt="Logo" />
+        {% endif %}
+        <p>{{ site.description | default: site.github.project_tagline }}</p>
+
+        {% if site.github.is_project_page %}
+        <p class="view"><a href="{{ site.github.repository_url }}">View the Project on GitHub <small>{{ site.github.repository_nwo }}</small></a></p>
+        {% endif %}
+
+        <!-- Place this tag where you want the button to render. -->
+        <a class="github-button" href="https://github.com/linnovate/mean" data-show-count="true" aria-label="Star ntkme/github-buttons on GitHub">Star</a>
+
+        {% if site.github.is_user_page %}
+        <p class="view"><a href="{{ site.github.owner_url }}">View My GitHub Profile</a></p>
+        {% endif %}
+
+        {% if site.show_downloads %}
+        <ul class="downloads">
+          <li><a href="{{ site.github.zip_url }}">Download <strong>ZIP File</strong></a></li>
+          <li><a href="{{ site.github.tar_url }}">Download <strong>TAR Ball</strong></a></li>
+          <li><a href="{{ site.github.repository_url }}">View On <strong>GitHub</strong></a></li>
+        </ul>
+        {% endif %}
+        <img class="ninja" src="/assets/img/ninja.jpg"/>
+
+      </header>
+      <section>
+
+      {{ content }}
+      {% if site.github.is_project_page %}
+      <p>This project is maintained by <a href="{{ site.github.owner_url }}">{{ site.github.owner_name }}</a></p>
+      {% endif %}
+      </section>
+    </div>
+    <script src="{{ "/assets/js/scale.fix.js" | relative_url }}"></script>
+   <!-- Global site tag (gtag.js) - Google Analytics -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=UA-36499287-4"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+ // gtag('config', 'UA-XXXXXX-XX'); // change this to your own UA config
+</script>
+
+    <!-- Place this tag in your head or just before your close body tag. -->
+<script async defer src="https://buttons.github.io/buttons.js"></script>
+  </body>
+</html>
--- a/02-Sept-2020/mean/angular.json
+++ b/02-Sept-2020/mean/angular.json
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "projects",
+  "projects": {
+    "mean": {
+      "root": "",
+      "sourceRoot": "src",
+      "projectType": "application",
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-angular:browser",
+          "options": {
+            "outputPath": "dist",
+            "index": "src/index.html",
+            "main": "src/main.ts",
+            "tsConfig": "./tsconfig.app.json",
+            "polyfills": "src/polyfills.ts",
+            "assets": [
+              "src/assets",
+              "src/favicon.ico"
+            ],
+            "styles": [
+              "src/styles.scss"
+            ],
+            "scripts": []
+          },
+          "configurations": {
+            "production": {
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "extractCss": true,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "fileReplacements": [
+                {
+                  "replace": "src/environments/environment.ts",
+                  "with": "src/environments/environment.prod.ts"
+                }
+              ]
+            }
+          }
+        },
+        "serve": {
+          "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "browserTarget": "mean:build"
+          },
+          "configurations": {
+            "production": {
+              "browserTarget": "mean:build:production"
+            }
+          }
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "options": {
+            "browserTarget": "mean:build"
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "src/test.ts",
+            "karmaConfig": "./karma.conf.js",
+            "polyfills": "src/polyfills.ts",
+            "tsConfig": "./tsconfig.spec.json",
+            "scripts": [],
+            "styles": [
+              "src/styles.scss"
+            ],
+            "assets": [
+              "src/assets",
+              "src/favicon.ico"
+            ]
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "./tsconfig.app.json",
+              "./tsconfig.spec.json"
+            ],
+            "exclude": [
+              "**/node_modules/**"
+            ]
+          }
+        }
+      }
+    }
+  },
+  "defaultProject": "mean",
+  "schematics": {
+    "@schematics/angular:component": {
+      "prefix": "app",
+      "styleext": "scss"
+    },
+    "@schematics/angular:directive": {
+      "prefix": "app"
+    }
+  }
+}
--- a/02-Sept-2020/mean/assets/css/style.scss
+++ b/02-Sept-2020/mean/assets/css/style.scss
+---
+---
+
+@import "{{ site.theme }}";
+h1 {
+  a {
+    color:#00758f;
+    text-size:40px;
+  }
+}
+header {
+ img.logo {
+    margin-left:30px;
+    display:block;
+    height: auto; 
+    width: auto; 
+    max-width: 150px; 
+    max-height: 200px;
+    margin-bottom: 17%;
+ }
+ img.ninja {
+  margin-top: 20px;
+  height: auto; 
+  width: auto; 
+  max-width: 350px; 
+  max-height: 200px;
+  margin-bottom: 50px;
+ }
+
+} 
--- a/02-Sept-2020/mean/assets/img/ninja.jpg
+++ b/02-Sept-2020/mean/assets/img/ninja.jpg
--- a/02-Sept-2020/mean/browserslist
+++ b/02-Sept-2020/mean/browserslist
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11
--- a/02-Sept-2020/mean/docker-compose.yml
+++ b/02-Sept-2020/mean/docker-compose.yml
+version: '3'
+
+services:
+  app:
+    build: ./
+    image: mean
+    ports:
+      - 80:4040
+    expose:
+      - 4040
+    environment:
+      NODE_ENV: production
+      SERVER_PORT: 4040
+      JWT_SECRET: 0a6b944d-d2fb-46fc-a85e-0295c986cd9f
+      MONGO_HOST: mongodb://mongo/odmp
+    restart: always
+    depends_on:
+      - mongo
+
+  mongo:
+    image: mongo:3.6
--- a/02-Sept-2020/mean/karma.conf.js
+++ b/02-Sept-2020/mean/karma.conf.js
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function (config) {
+  config.set({
+    basePath: '',
+    frameworks: ['jasmine', '@angular-devkit/build-angular'],
+    plugins: [
+      require('karma-jasmine'),
+      require('karma-chrome-launcher'),
+      require('karma-jasmine-html-reporter'),
+      require('karma-coverage-istanbul-reporter'),
+      require('@angular-devkit/build-angular/plugins/karma')
+    ],
+    client:{
+      clearContext: false // leave Jasmine Spec Runner output visible in browser
+    },
+    coverageIstanbulReporter: {
+      dir: require('path').join(__dirname, 'coverage'), reports: [ 'html', 'lcovonly' ],
+      fixWebpackSourcePaths: true
+    },
+    angularCli: {
+      environment: 'dev'
+    },
+    reporters: ['progress', 'kjhtml'],
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+    autoWatch: true,
+    browsers: ['Chrome'],
+    singleRun: false
+  });
+};
--- a/02-Sept-2020/mean/package.json
+++ b/02-Sept-2020/mean/package.json
+{
+  "name": "mean",
+  "version": "2.0.2",
+  "license": "MIT",
+  "scripts": {
+    "ng": "ng",
+    "serve": "node server",
+    "start": "concurrently -c \"yellow.bold,green.bold\" -n \"SERVER,BUILD\" \"nodemon server\" \"ng build --watch\"",
+    "build": "ng build --prod",
+    "test": "ng test",
+    "lint": "ng lint",
+    "e2e": "ng e2e",
+    "postinstall": "ngcc --properties es2015 browser module main --first-only --create-ivy-entry-points"
+  },
+  "private": true,
+  "dependencies": {
+    "@angular/animations": "^9.1.4",
+    "@angular/cdk": "^9.2.1",
+    "@angular/common": "^9.1.4",
+    "@angular/compiler": "^9.1.4",
+    "@angular/core": "^9.1.4",
+    "@angular/forms": "^9.1.4",
+    "@angular/material": "^9.2.1",
+    "@angular/platform-browser": "^9.1.4",
+    "@angular/platform-browser-dynamic": "^9.1.4",
+    "@angular/router": "^9.1.4",
+    "bcrypt": "^3.0.2",
+    "body-parser": "^1.18.2",
+    "compression": "^1.7.2",
+    "cookie-parser": "^1.4.3",
+    "cors": "^2.8.4",
+    "dotenv": "^6.0.0",
+    "events": "^3.0.0",
+    "express": "^4.16.3",
+    "express-async-handler": "^1.1.3",
+    "express-jwt": "^5.3.1",
+    "express-validation": "^1.0.2",
+    "formidable": "^1.2.1",
+    "helmet": "^3.21.1",
+    "http-errors": "^1.6.3",
+    "joi": "^13.3.0",
+    "jsonwebtoken": "^8.2.1",
+    "method-override": "^2.3.10",
+    "mongoose": "^5.7.5",
+    "morgan": "^1.9.1",
+    "nodemon": "^1.17.5",
+    "passport": "^0.4.0",
+    "passport-jwt": "^4.0.0",
+    "passport-local": "^1.0.0",
+    "rxjs": "^6.5.5",
+    "swagger-ui-express": "^3.0.9",
+    "zone.js": "~0.10.3"
+  },
+  "devDependencies": {
+    "@angular-devkit/build-angular": "~0.901.4",
+    "@angular/cli": "^9.1.4",
+    "@angular/compiler-cli": "^9.1.4",
+    "@angular/language-service": "^9.1.4",
+    "@types/jasmine": "~2.8.3",
+    "@types/jasminewd2": "~2.0.2",
+    "@types/node": "~12.12.14",
+    "codelyzer": "^5.2.0",
+    "concurrently": "^3.5.1",
+    "jasmine-core": "~3.1.0",
+    "jasmine-spec-reporter": "~4.2.1",
+    "karma": "^3.1.3",
+    "karma-chrome-launcher": "~2.2.0",
+    "karma-coverage-istanbul-reporter": "2.0.1",
+    "karma-jasmine": "~1.1.0",
+    "karma-jasmine-html-reporter": "1.1.0",
+    "ts-node": "~6.1.0",
+    "tslint": "^5.20.1",
+    "typescript": "3.8.3"
+  }
+}
--- a/02-Sept-2020/mean/protractor.conf.js
+++ b/02-Sept-2020/mean/protractor.conf.js
+// Protractor configuration file, see link for more information
+// https://github.com/angular/protractor/blob/master/lib/config.ts
+
+const { SpecReporter } = require('jasmine-spec-reporter');
+
+exports.config = {
+  allScriptsTimeout: 11000,
+  specs: [
+    './e2e/**/*.e2e-spec.ts'
+  ],
+  capabilities: {
+    'browserName': 'chrome'
+  },
+  directConnect: true,
+  baseUrl: 'http://localhost:4200/',
+  framework: 'jasmine',
+  jasmineNodeOpts: {
+    showColors: true,
+    defaultTimeoutInterval: 30000,
+    print: function() {}
+  },
+  onPrepare() {
+    require('ts-node').register({
+      project: 'e2e/tsconfig.e2e.json'
+    });
+    jasmine.getEnv().addReporter(new SpecReporter({ spec: { displayStacktrace: true } }));
+  }
+};
--- a/02-Sept-2020/mean/server/config/config.js
+++ b/02-Sept-2020/mean/server/config/config.js
+const Joi = require('joi');
+
+// require and configure dotenv, will load vars in .env in PROCESS.ENV
+require('dotenv').config();
+
+// define validation for all the env vars
+const envVarsSchema = Joi.object({
+  NODE_ENV: Joi.string()
+    .allow(['development', 'production', 'test', 'provision'])
+    .default('development'),
+  SERVER_PORT: Joi.number()
+    .default(4040),
+  MONGOOSE_DEBUG: Joi.boolean()
+    .when('NODE_ENV', {
+      is: Joi.string().equal('development'),
+      then: Joi.boolean().default(true),
+      otherwise: Joi.boolean().default(false)
+    }),
+  JWT_SECRET: Joi.string().required()
+    .description('JWT Secret required to sign'),
+  MONGO_HOST: Joi.string().required()
+    .description('Mongo DB host url'),
+  MONGO_PORT: Joi.number()
+    .default(27017)
+}).unknown()
+  .required();
+
+const { error, value: envVars } = Joi.validate(process.env, envVarsSchema);
+if (error) {
+  throw new Error(`Config validation error: ${error.message}`);
+}
+
+const config = {
+  env: envVars.NODE_ENV,
+  port: envVars.SERVER_PORT,
+  mongooseDebug: envVars.MONGOOSE_DEBUG,
+  jwtSecret: envVars.JWT_SECRET,
+  frontend: envVars.MEAN_FRONTEND || 'angular',
+  mongo: {
+    host: envVars.MONGO_HOST,
+    port: envVars.MONGO_PORT
+  }
+};
+
+module.exports = config;
--- a/02-Sept-2020/mean/server/config/express.js
+++ b/02-Sept-2020/mean/server/config/express.js
+const path = require('path');
+const express = require('express');
+const httpError = require('http-errors');
+const logger = require('morgan');
+const bodyParser = require('body-parser');
+const cookieParser = require('cookie-parser');
+const compress = require('compression');
+const methodOverride = require('method-override');
+const cors = require('cors');
+const helmet = require('helmet');
+const swaggerUi = require('swagger-ui-express');
+const swaggerDocument = require('./swagger.json');
+const routes = require('../routes/index.route');
+const config = require('./config');
+const passport = require('./passport')
+
+const app = express();
+
+if (config.env === 'development') {
+  app.use(logger('dev'));
+}
+
+// Choose what fronten framework to serve the dist from
+var distDir = '../../dist/';
+if (config.frontend == 'react'){
+  distDir ='../../node_modules/material-dashboard-react/dist'
+ }else{
+  distDir ='../../dist/' ;
+ }
+
+// 
+app.use(express.static(path.join(__dirname, distDir)))
+app.use(/^((?!(api)).)*/, (req, res) => {
+  res.sendFile(path.join(__dirname, distDir + '/index.html'));
+});
+
+console.log(distDir);
+ //React server
+app.use(express.static(path.join(__dirname, '../../node_modules/material-dashboard-react/dist')))
+app.use(/^((?!(api)).)*/, (req, res) => {
+res.sendFile(path.join(__dirname, '../../dist/index.html'));
+}); 
+
+
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+
+app.use(cookieParser());
+app.use(compress());
+app.use(methodOverride());
+
+// secure apps by setting various HTTP headers
+app.use(helmet());
+
+// enable CORS - Cross Origin Resource Sharing
+app.use(cors());
+
+app.use(passport.initialize());
+
+app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(swaggerDocument));
+
+// API router
+app.use('/api/', routes);
+
+// catch 404 and forward to error handler
+app.use((req, res, next) => {
+  const err = new httpError(404)
+  return next(err);
+});
+
+// error handler, send stacktrace only during development
+app.use((err, req, res, next) => {
+
+  // customize Joi validation errors
+  if (err.isJoi) {
+    err.message = err.details.map(e => e.message).join("; ");
+    err.status = 400;
+  }
+
+  res.status(err.status || 500).json({
+    message: err.message
+  });
+  next(err);
+});
+
+module.exports = app;
--- a/02-Sept-2020/mean/server/config/mongoose.js
+++ b/02-Sept-2020/mean/server/config/mongoose.js
+const mongoose = require('mongoose');
+const util = require('util');
+const debug = require('debug')('express-mongoose-es6-rest-api:index');
+
+const config = require('./config');
+
+// connect to mongo db
+const mongoUri = config.mongo.host;
+mongoose.connect(mongoUri, { keepAlive: 1 });
+mongoose.connection.on('error', () => {
+  throw new Error(`unable to connect to database: ${mongoUri}`);
+});
+
+// print mongoose logs in dev env
+if (config.MONGOOSE_DEBUG) {
+  mongoose.set('debug', (collectionName, method, query, doc) => {
+    debug(`${collectionName}.${method}`, util.inspect(query, false, 20), doc);
+  });
+}
+
--- a/02-Sept-2020/mean/server/config/passport.js
+++ b/02-Sept-2020/mean/server/config/passport.js
+const passport = require('passport');
+const LocalStrategy = require('passport-local');
+const JwtStrategy = require('passport-jwt').Strategy;
+const ExtractJwt = require('passport-jwt').ExtractJwt;
+const bcrypt = require('bcrypt');
+
+const User = require('../models/user.model');
+const config = require('./config');
+
+const localLogin = new LocalStrategy({
+  usernameField: 'email'
+}, async (email, password, done) => {
+  let user = await User.findOne({ email });
+  if (!user || !bcrypt.compareSync(password, user.hashedPassword)) {
+    return done(null, false, { error: 'Your login details could not be verified. Please try again.' });
+  }
+  user = user.toObject();
+  delete user.hashedPassword;
+  done(null, user);
+});
+
+const jwtLogin = new JwtStrategy({
+  jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
+  secretOrKey: config.jwtSecret
+}, async (payload, done) => {
+  let user = await User.findById(payload._id);
+  if (!user) {
+    return done(null, false);
+  }
+  user = user.toObject();
+  delete user.hashedPassword;
+  done(null, user);
+});
+
+passport.use(jwtLogin);
+passport.use(localLogin);
+
+module.exports = passport;
--- a/02-Sept-2020/mean/server/config/swagger.json
+++ b/02-Sept-2020/mean/server/config/swagger.json
+{
+    "swagger": "2.0",
+    "info": {
+      "version": "1.0.0",
+      "title": "Mean Application API",
+      "description": "Mean Application API",
+      "license": {
+        "name": "MIT",
+        "url": "https://opensource.org/licenses/MIT"
+      }
+    },
+    "host": "localhost:4040",
+    "basePath": "/api/",
+    "tags": [
+      {
+        "name": "Users",
+        "description": "API for users in the system"
+      },
+      {
+        "name": "Auth",
+        "description": "API for auth in the system"
+      }
+    ],
+    "schemes": [
+      "http"
+    ],
+    "consumes": [
+      "application/json"
+    ],
+    "produces": [
+      "application/json"
+    ],
+    "securityDefinitions": {
+      "AuthHeader": {
+        "type": "apiKey",
+        "in": "header",
+        "name": "Authorization"
+      }
+    },
+    "paths": {
+      "/auth/login": {
+        "post": {
+          "tags": ["Auth"],
+          "description": "Login to the system",
+        "parameters": [{
+          "name": "auth",
+          "in": "body",
+          "description": "User auth details",
+          "schema": {
+            "type": "object",
+            "required": ["email", "password"],
+            "properties": {
+              "email": {
+                "type": "string"
+              },
+              "password": {
+                "type": "string"
+              }
+            }
+          }
+        }],
+        "produces": [
+          "application/json"
+        ],
+        "responses": {
+          "200": {
+            "description": "User is loggedin",
+            "schema": {
+              "$ref": "#/definitions/User"
+            }
+          }
+        }
+      }
+      }
+    },
+    "definitions": {
+      "User": {
+        "required": [
+          "email",
+          "fullname"
+        ],
+        "properties": {
+          "_id": {
+            "type": "string",
+            "uniqueItems": true
+          },
+          "email": {
+            "type": "string",
+            "uniqueItems": true
+          },
+          "fullname": {
+            "type": "string"
+          },
+          "createdAt": {
+            "type": "string"
+          },
+          "roles": {
+            "type": "array",
+            "items": {
+              "type": "string"
+            }
+          }
+        }
+      },
+      "Users": {
+        "type": "array",
+        "$ref": "#/definitions/User"
+      },
+      "Auth": {
+        "type": "object",
+        "properties": [{
+          "token": {
+            "type": "string"
+          },
+          "user": {
+            "$ref": "#/definitions/User"
+          }
+        }]
+      }
+  }
+}
\ No newline at end of file
--- a/02-Sept-2020/mean/server/controllers/auth.controller.js
+++ b/02-Sept-2020/mean/server/controllers/auth.controller.js
+const jwt = require('jsonwebtoken');
+const config = require('../config/config');
+
+
+module.exports = {
+  generateToken
+}
+
+
+function generateToken(user) {
+  const payload = JSON.stringify(user);
+  return jwt.sign(payload, config.jwtSecret);
+}
--- a/02-Sept-2020/mean/server/controllers/user.controller.js
+++ b/02-Sept-2020/mean/server/controllers/user.controller.js
+const bcrypt = require('bcrypt');
+const Joi = require('joi');
+const User = require('../models/user.model');
+
+const userSchema = Joi.object({
+  fullname: Joi.string().required(),
+  email: Joi.string().email(),
+  mobileNumber: Joi.string().regex(/^[1-9][0-9]{9}$/),
+  password: Joi.string().required(),
+  repeatPassword: Joi.string().required().valid(Joi.ref('password'))
+})
+
+
+module.exports = {
+  insert
+}
+
+async function insert(user) {
+  user = await Joi.validate(user, userSchema, { abortEarly: false });
+  user.hashedPassword = bcrypt.hashSync(user.password, 10);
+  delete user.password;
+  return await new User(user).save();
+}
--- a/02-Sept-2020/mean/server/index.js
+++ b/02-Sept-2020/mean/server/index.js
+// config should be imported before importing any other file
+const config = require('./config/config');
+const app = require('./config/express');
+require('./config/mongoose');
+
+// module.parent check is required to support mocha watch
+// src: https://github.com/mochajs/mocha/issues/1912
+if (!module.parent) {
+  app.listen(config.port, () => {
+    console.info(`server started on port ${config.port} (${config.env})`);
+  });
+}
+
+module.exports = app;
--- a/02-Sept-2020/mean/server/middleware/require-admin.js
+++ b/02-Sept-2020/mean/server/middleware/require-admin.js
+const httpError = require('http-errors');
+
+const requireAdmin = function (req, res, next) {
+  if (req.user && req.user.roles.indexOf('admin') > -1) 
+    return next();
+  const err = new httpError(401);
+  return next(err);
+}
+
+module.exports = requireAdmin;
--- a/02-Sept-2020/mean/server/models/user.model.js
+++ b/02-Sept-2020/mean/server/models/user.model.js
+const mongoose = require('mongoose');
+
+const UserSchema = new mongoose.Schema({
+  fullname: {
+    type: String,
+    required: true
+  },
+  email: {
+    type: String,
+    required: true,
+    unique: true,
+    // Regexp to validate emails with more strict rules as added in tests/users.js which also conforms mostly with RFC2822 guide lines
+    match: [/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/, 'Please enter a valid email'],
+  },
+  hashedPassword: {
+    type: String,
+    required: true
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now
+  },
+  roles: [{
+    type: String,
+  }]
+}, {
+  versionKey: false
+});
+
+
+module.exports = mongoose.model('User', UserSchema);
--- a/02-Sept-2020/mean/server/routes/auth.route.js
+++ b/02-Sept-2020/mean/server/routes/auth.route.js
+const express = require('express');
+const asyncHandler = require('express-async-handler')
+const passport = require('passport');
+const userCtrl = require('../controllers/user.controller');
+const authCtrl = require('../controllers/auth.controller');
+const config = require('../config/config');
+
+const router = express.Router();
+module.exports = router;
+
+router.post('/register', asyncHandler(register), login);
+router.post('/login', passport.authenticate('local', { session: false }), login);
+router.get('/me', passport.authenticate('jwt', { session: false }), login);
+
+
+async function register(req, res, next) {
+  let user = await userCtrl.insert(req.body);
+  user = user.toObject();
+  delete user.hashedPassword;
+  req.user = user;
+  next()
+}
+
+function login(req, res) {
+  let user = req.user;
+  let token = authCtrl.generateToken(user);
+  res.json({ user, token });
+}
--- a/02-Sept-2020/mean/server/routes/index.route.js
+++ b/02-Sept-2020/mean/server/routes/index.route.js
+const express = require('express');
+const userRoutes = require('./user.route');
+const authRoutes = require('./auth.route');
+
+const router = express.Router(); // eslint-disable-line new-cap
+
+/** GET /health-check - Check service health */
+router.get('/health-check', (req, res) =>
+  res.send('OK')
+);
+
+router.use('/auth', authRoutes);
+router.use('/user', userRoutes);
+
+module.exports = router;
--- a/02-Sept-2020/mean/server/routes/user.route.js
+++ b/02-Sept-2020/mean/server/routes/user.route.js
+const express = require('express');
+const passport = require('passport');
+const asyncHandler = require('express-async-handler');
+const userCtrl = require('../controllers/user.controller');
+
+const router = express.Router();
+module.exports = router;
+
+router.use(passport.authenticate('jwt', { session: false }))
+
+router.route('/')
+  .post(asyncHandler(insert));
+
+
+async function insert(req, res) {
+  let user = await userCtrl.insert(req.body);
+  res.json(user);
+}
--- a/02-Sept-2020/mean/src/_settings.scss
+++ b/02-Sept-2020/mean/src/_settings.scss
+/*-----------------------------------------------
+                   Variables
+-----------------------------------------------*/
+$linesColor: #dbdbdb;
+$categoryTitleColor: #686868;
+$categoryEntityColor: #3F3F3F;
\ No newline at end of file
--- a/02-Sept-2020/mean/src/app/admin/admin-routing.module.ts
+++ b/02-Sept-2020/mean/src/app/admin/admin-routing.module.ts
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+
+import { AdminComponent } from './admin.component';
+import { OnlyAdminUsersGuard } from './admin-user-guard';
+
+const routes: Routes = [{
+  path: 'admin',
+  canActivate: [OnlyAdminUsersGuard],
+  children: [{
+    path: '',
+    component: AdminComponent,
+  }]
+}];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+
+export class AdminRoutingModule {}
--- a/02-Sept-2020/mean/src/app/admin/admin-user-guard.ts
+++ b/02-Sept-2020/mean/src/app/admin/admin-user-guard.ts
+import { Injectable } from '@angular/core';
+import { CanActivate } from '@angular/router';
+
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { AuthService } from '@app/shared/services';
+
+@Injectable()
+export class OnlyAdminUsersGuard implements CanActivate {
+  constructor(private authService: AuthService) {}
+
+  canActivate(): Observable<boolean> {
+    return this.authService.getUser().pipe(map(user => !!user?.isAdmin));
+  }
+}
--- a/02-Sept-2020/mean/src/app/admin/admin.component.html
+++ b/02-Sept-2020/mean/src/app/admin/admin.component.html
+<h4>HELLO FROM ADMIN PAGE</h4>
\ No newline at end of file
--- a/02-Sept-2020/mean/src/app/admin/admin.component.ts
+++ b/02-Sept-2020/mean/src/app/admin/admin.component.ts
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-admin',
+  templateUrl: './admin.component.html',
+})
+export class AdminComponent implements OnInit {
+
+  constructor() {}
+
+  public ngOnInit() {
+  }
+}
+
+
--- a/02-Sept-2020/mean/src/app/admin/admin.module.ts
+++ b/02-Sept-2020/mean/src/app/admin/admin.module.ts
+import {NgModule} from '@angular/core';
+import {CommonModule} from '@angular/common';
+
+import { AdminRoutingModule } from './admin-routing.module';
+import {AdminComponent} from './admin.component';
+import {OnlyAdminUsersGuard} from './admin-user-guard';
+
+@NgModule({
+  declarations: [
+    AdminComponent
+  ],
+  imports: [
+    CommonModule,
+    AdminRoutingModule,
+  ],
+  providers: [
+    OnlyAdminUsersGuard
+  ]})
+export class AdminModule {}
--- a/02-Sept-2020/mean/src/app/app-routing.module.ts
+++ b/02-Sept-2020/mean/src/app/app-routing.module.ts
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+
+import { AuthGuard } from './shared/guards';
+import { HomeComponent } from './home/home.component';
+
+const routes: Routes = [
+  {
+    path: '',
+    component: HomeComponent,
+    canActivate: [AuthGuard],
+  },
+  {
+    path: 'auth',
+    loadChildren: () => import('./auth/auth.module').then(m => m.AuthModule),
+  },
+  {
+    path: 'admin',
+    loadChildren: () => import('./admin/admin.module').then(m => m.AdminModule),
+  },
+];
+
+@NgModule({
+  imports: [RouterModule.forRoot(routes)],
+  exports: [RouterModule],
+})
+export class AppRoutingModule {}
--- a/02-Sept-2020/mean/src/app/app.component.html
+++ b/02-Sept-2020/mean/src/app/app.component.html
+<app-header [user]="user$ | async"></app-header>
+<div class="wrapper-app">
+  <router-outlet></router-outlet>
+</div>
+<footer></footer>
--- a/02-Sept-2020/mean/src/app/app.component.scss
+++ b/02-Sept-2020/mean/src/app/app.component.scss
+.wrapper-app {
+}
\ No newline at end of file
--- a/02-Sept-2020/mean/src/app/app.component.ts
+++ b/02-Sept-2020/mean/src/app/app.component.ts
+import { Component } from '@angular/core';
+import { MatIconRegistry } from '@angular/material/icon';
+import { DomSanitizer } from '@angular/platform-browser';
+
+import { merge, Observable } from 'rxjs';
+
+import { User } from './shared/interfaces';
+import { AuthService } from './shared/services';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss'],
+})
+export class AppComponent {
+  user$: Observable<User | null> = merge(
+    // Init on startup
+    this.authService.me(),
+    // Update after login/register/logout
+    this.authService.getUser()
+  );
+
+  constructor(
+    private domSanitizer: DomSanitizer,
+    private matIconRegistry: MatIconRegistry,
+    private authService: AuthService
+  ) {
+    this.registerSvgIcons();
+  }
+
+  registerSvgIcons() {
+    [
+      'close',
+      'add',
+      'add-blue',
+      'airplane-front-view',
+      'air-station',
+      'balloon',
+      'boat',
+      'cargo-ship',
+      'car',
+      'catamaran',
+      'clone',
+      'convertible',
+      'delete',
+      'drone',
+      'fighter-plane',
+      'fire-truck',
+      'horseback-riding',
+      'motorcycle',
+      'railcar',
+      'railroad-train',
+      'rocket-boot',
+      'sailing-boat',
+      'segway',
+      'shuttle',
+      'space-shuttle',
+      'steam-engine',
+      'suv',
+      'tour-bus',
+      'tow-truck',
+      'transportation',
+      'trolleybus',
+      'water-transportation',
+    ].forEach(icon => {
+      this.matIconRegistry.addSvgIcon(
+        icon,
+        this.domSanitizer.bypassSecurityTrustResourceUrl(`assets/icons/${icon}.svg`)
+      );
+    });
+  }
+}
--- a/02-Sept-2020/mean/src/app/app.module.ts
+++ b/02-Sept-2020/mean/src/app/app.module.ts
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { NgModule, APP_INITIALIZER } from '@angular/core';
+import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';
+
+import { SharedModule } from './shared/shared.module';
+
+import { AppComponent } from './app.component';
+import { AuthHeaderInterceptor } from './interceptors/header.interceptor';
+import { CatchErrorInterceptor } from './interceptors/http-error.interceptor';
+
+import { AppRoutingModule } from './app-routing.module';
+import { HeaderComponent } from './header/header.component';
+import { HomeComponent } from './home/home.component';
+import { AuthService } from './shared/services';
+
+export function appInitializerFactory(authService: AuthService) {
+  return () => authService.checkTheUserOnTheFirstLoad();
+}
+
+@NgModule({
+  imports: [BrowserAnimationsModule, HttpClientModule, SharedModule, AppRoutingModule],
+  declarations: [AppComponent, HeaderComponent, HomeComponent],
+  providers: [
+    {
+      provide: HTTP_INTERCEPTORS,
+      useClass: AuthHeaderInterceptor,
+      multi: true,
+    },
+    {
+      provide: HTTP_INTERCEPTORS,
+      useClass: CatchErrorInterceptor,
+      multi: true,
+    },
+    {
+      provide: APP_INITIALIZER,
+      useFactory: appInitializerFactory,
+      multi: true,
+      deps: [AuthService],
+    },
+  ],
+  bootstrap: [AppComponent],
+})
+export class AppModule {}
--- a/02-Sept-2020/mean/src/app/auth/auth-routing.module.ts
+++ b/02-Sept-2020/mean/src/app/auth/auth-routing.module.ts
+import { Routes, RouterModule } from '@angular/router';
+
+import { LoginComponent } from './login/login.component';
+import { RegisterComponent } from './register/register.component';
+
+const routes: Routes = [
+  {
+    path: '',
+    children: [
+      {
+        path: '',
+        redirectTo: '/auth/login',
+        pathMatch: 'full',
+      },
+      {
+        path: 'login',
+        component: LoginComponent,
+      },
+      {
+        path: 'register',
+        component: RegisterComponent,
+      },
+    ],
+  },
+];
+
+export const AuthRoutingModule = RouterModule.forChild(routes);
--- a/02-Sept-2020/mean/src/app/auth/auth.component.scss
+++ b/02-Sept-2020/mean/src/app/auth/auth.component.scss
+.example-icon {
+  padding: 0 14px;
+}
+
+.example-spacer {
+  flex: 1 1 auto;
+}
+
+.example-card {
+  width: 400px;
+  margin: 10% auto;
+}
+
+.mat-card-title {
+  font-size: 16px;
+}
--- a/02-Sept-2020/mean/src/app/auth/auth.module.ts
+++ b/02-Sept-2020/mean/src/app/auth/auth.module.ts
+import { NgModule } from '@angular/core';
+
+import { SharedModule } from '../shared/shared.module';
+
+import { LoginComponent } from './login/login.component';
+import { RegisterComponent } from './register/register.component';
+import { AuthRoutingModule } from './auth-routing.module';
+
+@NgModule({
+  imports: [SharedModule, AuthRoutingModule],
+  declarations: [LoginComponent, RegisterComponent],
+})
+export class AuthModule {}
--- a/02-Sept-2020/mean/src/app/auth/login/login.component.html
+++ b/02-Sept-2020/mean/src/app/auth/login/login.component.html
+<mat-card class="example-card">
+  <mat-card-header>
+    <mat-card-title>Login</mat-card-title>
+  </mat-card-header>
+  <mat-card-content>
+    <form class="example-form">
+      <table cellspacing="0">
+        <tr>
+          <td>
+            <mat-form-field>
+              <input matInput placeholder="Email" [(ngModel)]="email" name="email" required>
+            </mat-form-field>
+          </td>
+        </tr>
+        <tr>
+          <td>
+            <mat-form-field>
+              <input matInput placeholder="Password" [(ngModel)]="password" type="password" name="password" required>
+            </mat-form-field>
+          </td>
+        </tr>
+      </table>
+    </form>
+  </mat-card-content>
+  <mat-card-actions>
+    <button mat-raised-button (click)="login()" color="primary">Login</button>
+    <span>Don't have an account ? <a [routerLink]="['/auth/register']" >register</a> here</span>
+  </mat-card-actions>
+</mat-card>
--- a/02-Sept-2020/mean/src/app/auth/login/login.component.spec.ts
+++ b/02-Sept-2020/mean/src/app/auth/login/login.component.spec.ts
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { LoginComponent } from './login.component';
+
+describe('LoginComponent', () => {
+  let component: LoginComponent;
+  let fixture: ComponentFixture<LoginComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ LoginComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LoginComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
--- a/02-Sept-2020/mean/src/app/auth/login/login.component.ts
+++ b/02-Sept-2020/mean/src/app/auth/login/login.component.ts
+import { Component } from '@angular/core';
+import { Router } from '@angular/router';
+
+import { AuthService } from '@app/shared/services';
+
+@Component({
+  selector: 'app-login',
+  templateUrl: './login.component.html',
+  styleUrls: ['../auth.component.scss'],
+})
+export class LoginComponent {
+  email: string | null = null;
+  password: string | null = null;
+
+  constructor(private router: Router, private authService: AuthService) {}
+
+  login(): void {
+    this.authService.login(this.email!, this.password!).subscribe(() => {
+      this.router.navigateByUrl('/');
+    });
+  }
+}
--- a/02-Sept-2020/mean/src/app/auth/register/register.component.html
+++ b/02-Sept-2020/mean/src/app/auth/register/register.component.html
+<mat-card class="example-card">
+  <mat-card-header>
+    <mat-card-title>Register</mat-card-title>
+  </mat-card-header>
+  <mat-card-content>
+    <form class="example-form">
+      <table cellspacing="0" [formGroup]="userForm">
+        <tr>
+          <td>
+            <mat-form-field>
+              <input matInput placeholder="Fullname" formControlName="fullname" name="fullname" required>
+            </mat-form-field>
+          </td>
+        </tr>
+        <tr>
+          <td>
+            <mat-form-field>
+              <input matInput placeholder="Email" formControlName="email" name="email" required>
+              <mat-error *ngIf="email.invalid && email.hasError('email')">Invalid email address</mat-error>
+            </mat-form-field>
+          </td>
+        </tr>
+        <tr>
+          <td>
+            <mat-form-field>
+              <input matInput placeholder="Password" formControlName="password" type="password" name="password" required>
+            </mat-form-field>
+          </td>
+        </tr>
+        <tr>
+          <td>
+            <mat-form-field>
+              <input matInput placeholder="Repeat Password" formControlName="repeatPassword" type="password" name="repeatPassword" required>
+              <mat-error *ngIf="repeatPassword.invalid && repeatPassword.hasError('passwordMatch')">Password mismatch</mat-error>
+            </mat-form-field>
+          </td>
+        </tr>
+      </table>
+    </form>
+  </mat-card-content>
+  <mat-card-actions>
+    <button mat-raised-button (click)="register()" color="primary">Register</button>
+    <span>Allrady have an account ? <a [routerLink]="['/auth/login']">login</a> here</span>
+  </mat-card-actions>
+</mat-card>
--- a/02-Sept-2020/mean/src/app/auth/register/register.component.spec.ts
+++ b/02-Sept-2020/mean/src/app/auth/register/register.component.spec.ts
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { RegisterComponent } from './register.component';
+
+describe('RegisterComponent', () => {
+  let component: RegisterComponent;
+  let fixture: ComponentFixture<RegisterComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ RegisterComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RegisterComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
--- a/02-Sept-2020/mean/src/app/auth/register/register.component.ts
+++ b/02-Sept-2020/mean/src/app/auth/register/register.component.ts
+import { Component } from '@angular/core';
+import { Router } from '@angular/router';
+import {
+  FormGroup,
+  FormControl,
+  Validators,
+  ValidationErrors,
+  AbstractControl,
+} from '@angular/forms';
+
+import { AuthService } from '@app/shared/services';
+
+@Component({
+  selector: 'app-register',
+  templateUrl: './register.component.html',
+  styleUrls: ['../auth.component.scss'],
+})
+export class RegisterComponent {
+  constructor(private router: Router, private authService: AuthService) {}
+
+  passwordsMatchValidator(control: FormControl): ValidationErrors | null {
+    const password = control.root.get('password');
+    return password && control.value !== password.value
+      ? {
+          passwordMatch: true,
+        }
+      : null;
+  }
+
+  userForm = new FormGroup({
+    fullname: new FormControl('', [Validators.required]),
+    email: new FormControl('', [Validators.required, Validators.email]),
+    password: new FormControl('', [Validators.required]),
+    repeatPassword: new FormControl('', [Validators.required, this.passwordsMatchValidator]),
+  });
+
+  get fullname(): AbstractControl {
+    return this.userForm.get('fullname')!;
+  }
+
+  get email(): AbstractControl {
+    return this.userForm.get('email')!;
+  }
+
+  get password(): AbstractControl {
+    return this.userForm.get('password')!;
+  }
+
+  get repeatPassword(): AbstractControl {
+    return this.userForm.get('repeatPassword')!;
+  }
+
+  register(): void {
+    if (this.userForm.invalid) {
+      return;
+    }
+
+    const { fullname, email, password, repeatPassword } = this.userForm.getRawValue();
+
+    this.authService.register(fullname, email, password, repeatPassword).subscribe(data => {
+      this.router.navigate(['']);
+    });
+  }
+}
--- a/02-Sept-2020/mean/src/app/header/header.component.html
+++ b/02-Sept-2020/mean/src/app/header/header.component.html
+<header>
+  <mat-toolbar color="primary">
+    <a routerLink="/" class="logo"></a>
+    <span class="example-spacer"></span>
+    <a class="links side" routerLink="/auth/login" *ngIf="!user">Login</a>
+    <div>
+      <a class="links side" *ngIf="user" [matMenuTriggerFor]="menu">
+        <mat-icon>account_circle</mat-icon>{{ user.fullname }}
+      </a>
+      <mat-menu #menu="matMenu">
+        <button mat-menu-item *ngIf="user?.isAdmin" routerLink="/admin">admin</button>
+        <button mat-menu-item (click)="logout()">logout</button>
+      </mat-menu>
+    </div>
+  </mat-toolbar>
+</header>
--- a/02-Sept-2020/mean/src/app/header/header.component.scss
+++ b/02-Sept-2020/mean/src/app/header/header.component.scss
+header {
+    width: 100%;
+    .logo {
+      background-image: url('../../assets/logo.png');
+      width: 50px;
+      height: 50px;
+      background-size: contain;
+      background-repeat: no-repeat;
+    }
+    .example-spacer {
+      flex: 1 1 auto;
+    }
+    .links {
+      color: white;
+      font-family: 'Helvetica Neue', sans-serif;
+      font-size: 15px;
+      font-weight: initial;
+      letter-spacing: -1px;
+      line-height: 1;
+      text-align: center;
+      padding: 15px;
+      &.side {
+        padding: 0 14px;
+      }
+    }
+    .mat-toolbar {
+      background: black;
+    }
+    .mat-icon {
+      vertical-align: middle;
+      margin: 0 5px;
+    }
+    a {
+      cursor: pointer;
+    }
+  }
+ 
\ No newline at end of file
--- a/02-Sept-2020/mean/src/app/header/header.component.spec.ts
+++ b/02-Sept-2020/mean/src/app/header/header.component.spec.ts
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HeaderComponent } from './header.component';
+
+describe('HeaderComponent', () => {
+  let component: HeaderComponent;
+  let fixture: ComponentFixture<HeaderComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ HeaderComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HeaderComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
--- a/02-Sept-2020/mean/src/app/header/header.component.ts
+++ b/02-Sept-2020/mean/src/app/header/header.component.ts
+import { Component, Input } from '@angular/core';
+import { Router } from '@angular/router';
+
+import { User } from '@app/shared/interfaces';
+
+import { AuthService } from '@app/shared/services';
+
+@Component({
+  selector: 'app-header',
+  templateUrl: './header.component.html',
+  styleUrls: ['./header.component.scss'],
+})
+export class HeaderComponent {
+
+  @Input() user: User | null = null;
+
+  constructor(private router: Router, private authService: AuthService) {}
+
+  logout(): void {
+    this.authService.signOut();
+    this.router.navigateByUrl('/auth/login');
+  }
+}
--- a/02-Sept-2020/mean/src/app/home/home.component.html
+++ b/02-Sept-2020/mean/src/app/home/home.component.html
+<p>
+  home works!
+</p>
--- a/02-Sept-2020/mean/src/app/home/home.component.scss
+++ b/02-Sept-2020/mean/src/app/home/home.component.scss
--- a/02-Sept-2020/mean/src/app/home/home.component.spec.ts
+++ b/02-Sept-2020/mean/src/app/home/home.component.spec.ts
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HomeComponent } from './home.component';
+
+describe('HomeComponent', () => {
+  let component: HomeComponent;
+  let fixture: ComponentFixture<HomeComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ HomeComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HomeComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
--- a/02-Sept-2020/mean/src/app/home/home.component.ts
+++ b/02-Sept-2020/mean/src/app/home/home.component.ts
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-home',
+  templateUrl: './home.component.html',
+  styleUrls: ['./home.component.scss']
+})
+export class HomeComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}
--- a/02-Sept-2020/mean/src/app/interceptors/header.interceptor.ts
+++ b/02-Sept-2020/mean/src/app/interceptors/header.interceptor.ts
+import { Injectable } from '@angular/core';
+import { HttpEvent, HttpInterceptor, HttpHandler, HttpRequest } from '@angular/common/http';
+
+import { Observable } from 'rxjs';
+
+import { AuthService } from '@app/shared/services';
+
+@Injectable()
+export class AuthHeaderInterceptor implements HttpInterceptor {
+  constructor(private authService: AuthService) {}
+
+  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    req = req.clone({
+      setHeaders: this.authService.getAuthorizationHeaders(),
+    });
+
+    return next.handle(req);
+  }
+}
--- a/02-Sept-2020/mean/src/app/interceptors/http-error.interceptor.ts
+++ b/02-Sept-2020/mean/src/app/interceptors/http-error.interceptor.ts
+import { Injectable } from '@angular/core';
+import {
+  HttpEvent,
+  HttpInterceptor,
+  HttpHandler,
+  HttpRequest,
+  HttpErrorResponse,
+} from '@angular/common/http';
+import { MatSnackBar } from '@angular/material/snack-bar';
+
+import { Observable, throwError } from 'rxjs';
+import { catchError } from 'rxjs/operators';
+
+@Injectable()
+export class CatchErrorInterceptor implements HttpInterceptor {
+  constructor(private snackBar: MatSnackBar) {}
+
+  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    return next.handle(request).pipe(catchError(this.showSnackBar));
+  }
+
+  private showSnackBar = (response: HttpErrorResponse): Observable<never> => {
+    const text: string | undefined = response.error?.message ?? response.error.statusText;
+
+    if (text) {
+      this.snackBar.open(text, 'Close', {
+        duration: 2000,
+      });
+    }
+
+    return throwError(response);
+  };
+}
--- a/02-Sept-2020/mean/src/app/shared/guards/auth.guard.ts
+++ b/02-Sept-2020/mean/src/app/shared/guards/auth.guard.ts
+import { Injectable } from '@angular/core';
+import { CanActivate, Router } from '@angular/router';
+
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { AuthService } from '../services';
+
+@Injectable({ providedIn: 'root' })
+export class AuthGuard implements CanActivate {
+  constructor(private router: Router, private authService: AuthService) {}
+
+  canActivate(): Observable<boolean> {
+    return this.authService.getUser().pipe(
+      map(user => {
+        if (user !== null) {
+          return true;
+        }
+
+        this.router.navigateByUrl('/auth/login');
+        return false;
+      })
+    );
+  }
+}
--- a/02-Sept-2020/mean/src/app/shared/guards/index.ts
+++ b/02-Sept-2020/mean/src/app/shared/guards/index.ts
+export * from './auth.guard';
--- a/02-Sept-2020/mean/src/app/shared/interfaces/index.ts
+++ b/02-Sept-2020/mean/src/app/shared/interfaces/index.ts
+export * from './user.interface';
--- a/02-Sept-2020/mean/src/app/shared/interfaces/user.interface.ts
+++ b/02-Sept-2020/mean/src/app/shared/interfaces/user.interface.ts
+export interface User {
+  _id: string;
+  fullname: string;
+  createdAt: string;
+  roles: string[];
+  isAdmin: boolean;
+}
--- a/02-Sept-2020/mean/src/app/shared/services/auth/auth.service.spec.ts
+++ b/02-Sept-2020/mean/src/app/shared/services/auth/auth.service.spec.ts
+import { TestBed, inject } from '@angular/core/testing';
+
+import { AuthService } from './auth.service';
+
+describe('AuthService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [AuthService]
+    });
+  });
+
+  it('should be created', inject([AuthService], (service: AuthService) => {
+    expect(service).toBeTruthy();
+  }));
+});
--- a/02-Sept-2020/mean/src/app/shared/services/auth/auth.service.ts
+++ b/02-Sept-2020/mean/src/app/shared/services/auth/auth.service.ts
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+import { Observable, BehaviorSubject, EMPTY } from 'rxjs';
+import { tap, pluck } from 'rxjs/operators';
+
+import { User } from '@app/shared/interfaces';
+
+import { TokenStorage } from './token.storage';
+
+interface AuthResponse {
+  token: string;
+  user: User;
+}
+
+@Injectable({ providedIn: 'root' })
+export class AuthService {
+  private user$ = new BehaviorSubject<User | null>(null);
+
+  constructor(private http: HttpClient, private tokenStorage: TokenStorage) {}
+
+  login(email: string, password: string): Observable<User> {
+    return this.http
+      .post<AuthResponse>('/api/auth/login', { email, password })
+      .pipe(
+        tap(({ token, user }) => {
+          this.setUser(user);
+          this.tokenStorage.saveToken(token);
+        }),
+        pluck('user')
+      );
+  }
+
+  register(
+    fullname: string,
+    email: string,
+    password: string,
+    repeatPassword: string
+  ): Observable<User> {
+    return this.http
+      .post<AuthResponse>('/api/auth/register', {
+        fullname,
+        email,
+        password,
+        repeatPassword,
+      })
+      .pipe(
+        tap(({ token, user }) => {
+          this.setUser(user);
+          this.tokenStorage.saveToken(token);
+        }),
+        pluck('user')
+      );
+  }
+
+  setUser(user: User | null): void {
+    if (user) {
+      user.isAdmin = user.roles.includes('admin');
+    }
+
+    this.user$.next(user);
+    window.user = user;
+  }
+
+  getUser(): Observable<User | null> {
+    return this.user$.asObservable();
+  }
+
+  me(): Observable<User> {
+    const token: string | null = this.tokenStorage.getToken();
+
+    if (token === null) {
+      return EMPTY;
+    }
+
+    return this.http.get<AuthResponse>('/api/auth/me').pipe(
+      tap(({ user }) => this.setUser(user)),
+      pluck('user')
+    );
+  }
+
+  signOut(): void {
+    this.tokenStorage.signOut();
+    this.setUser(null);
+    delete window.user;
+  }
+
+  getAuthorizationHeaders() {
+    const token: string | null = this.tokenStorage.getToken() || '';
+    return { Authorization: `Bearer ${token}` };
+  }
+
+  /**
+   * Let's try to get user's information if he was logged in previously,
+   * thus we can ensure that the user is able to access the `/` (home) page.
+   */
+  checkTheUserOnTheFirstLoad(): Promise<User> {
+    return this.me().toPromise();
+  }
+}
--- a/02-Sept-2020/mean/src/app/shared/services/auth/token.storage.ts
+++ b/02-Sept-2020/mean/src/app/shared/services/auth/token.storage.ts
+import { Injectable } from '@angular/core';
+
+@Injectable({ providedIn: 'root' })
+export class TokenStorage {
+  private tokenKey = 'authToken';
+
+  signOut(): void {
+    localStorage.removeItem(this.tokenKey);
+    localStorage.clear();
+  }
+
+  saveToken(token?: string): void {
+    if (!token) return;
+    localStorage.setItem(this.tokenKey, token);
+  }
+
+  getToken(): string | null {
+    return localStorage.getItem(this.tokenKey);
+  }
+}
--- a/02-Sept-2020/mean/src/app/shared/services/index.ts
+++ b/02-Sept-2020/mean/src/app/shared/services/index.ts
+export * from './auth/auth.service';
--- a/02-Sept-2020/mean/src/app/shared/shared.module.ts
+++ b/02-Sept-2020/mean/src/app/shared/shared.module.ts
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+
+import { MatMenuModule } from '@angular/material/menu';
+import { MatTabsModule } from '@angular/material/tabs';
+import { MatCardModule } from '@angular/material/card';
+import { MatListModule } from '@angular/material/list';
+import { MatIconModule } from '@angular/material/icon';
+import { MatTreeModule } from '@angular/material/tree';
+import { MatInputModule } from '@angular/material/input';
+import { MatSelectModule } from '@angular/material/select';
+import { MatDialogModule } from '@angular/material/dialog';
+import { MatButtonModule } from '@angular/material/button';
+import { MatDividerModule } from '@angular/material/divider';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatSidenavModule } from '@angular/material/sidenav';
+import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatProgressBarModule } from '@angular/material/progress-bar';
+
+@NgModule({
+  exports: [
+    FormsModule,
+    ReactiveFormsModule,
+    CommonModule,
+    MatMenuModule,
+    MatTabsModule,
+    MatCardModule,
+    MatListModule,
+    MatIconModule,
+    MatTreeModule,
+    MatInputModule,
+    MatSelectModule,
+    MatDialogModule,
+    MatButtonModule,
+    MatDividerModule,
+    MatToolbarModule,
+    MatSidenavModule,
+    MatSnackBarModule,
+    MatExpansionModule,
+    MatFormFieldModule,
+    MatProgressBarModule,
+  ],
+})
+export class SharedModule {}
--- a/02-Sept-2020/mean/src/assets/.gitkeep
+++ b/02-Sept-2020/mean/src/assets/.gitkeep
--- a/02-Sept-2020/mean/src/assets/icons/add-blue.svg
+++ b/02-Sept-2020/mean/src/assets/icons/add-blue.svg
+<svg width="21" height="21" viewBox="0 0 21 21" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M11 5H9V9H5V11H9V15H11V11H15V9H11V5ZM10 0C4.48 0 0 4.48 0 10C0 15.52 4.48 20 10 20C15.52 20 20 15.52 20 10C20 4.48 15.52 0 10 0ZM10 18C5.59 18 2 14.41 2 10C2 5.59 5.59 2 10 2C14.41 2 18 5.59 18 10C18 14.41 14.41 18 10 18Z" transform="translate(0.97168 0.970551)" fill="#2D9CDB"/>
+</svg>
--- a/02-Sept-2020/mean/src/assets/icons/add.svg
+++ b/02-Sept-2020/mean/src/assets/icons/add.svg
+<svg width="18" height="18" viewBox="0 0 18 18" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M9.89626 5.39898H8.09694V8.09847H5.39796V9.89813H8.09694V12.5976H9.89626V9.89813H12.5952V8.09847H9.89626V5.39898ZM8.9966 0C4.04847 0 0 4.04923 0 8.9983C0 13.9474 4.04847 17.9966 8.9966 17.9966C13.9447 17.9966 17.9932 13.9474 17.9932 8.9983C17.9932 4.04923 13.9447 0 8.9966 0ZM8.9966 16.1969C5.0381 16.1969 1.79932 12.9575 1.79932 8.9983C1.79932 5.03905 5.0381 1.79966 8.9966 1.79966C12.9551 1.79966 16.1939 5.03905 16.1939 8.9983C16.1939 12.9575 12.9551 16.1969 8.9966 16.1969Z" transform="translate(-0.000488281 -0.000610352)" fill="black"/>
+</svg>
--- a/02-Sept-2020/mean/src/assets/icons/air-station.svg
+++ b/02-Sept-2020/mean/src/assets/icons/air-station.svg
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 40 40" version="1.1">
+<g id="surface1">
+<path style=" fill:#B6DCFE;" d="M 24.117188 35.5 L 15.882813 35.5 L 10.5 38.191406 L 10.5 36.234375 L 16.179688 31.5 L 23.820313 31.5 L 29.5 36.234375 L 29.5 38.191406 Z "></path>
+<path style=" fill:#4788C7;" d="M 23.636719 32 L 29 36.46875 L 29 37.382813 L 24.234375 35 L 15.765625 35 L 11 37.382813 L 11 36.46875 L 16.363281 32 L 23.636719 32 M 24 31 L 16 31 L 10 36 L 10 39 L 16 36 L 24 36 L 30 39 L 30 36 Z "></path>
+<path style=" fill:#B6DCFE;" d="M 24.070313 23.5 L 15.929688 23.5 L 2.5 27.335938 L 2.5 24.289063 L 16.132813 16.5 L 23.867188 16.5 L 37.5 24.289063 L 37.5 27.335938 Z "></path>
+<path style=" fill:#4788C7;" d="M 23.734375 17 L 37 24.578125 L 37 26.675781 L 24.273438 23.039063 L 24.140625 23 L 15.859375 23 L 15.726563 23.039063 L 3 26.675781 L 3 24.578125 L 16.265625 17 L 23.734375 17 M 24 16 L 16 16 L 2 24 L 2 28 L 16 24 L 24 24 L 38 28 L 38 24 Z "></path>
+<path style=" fill:#DFF0FE;" d="M 16.5 35.5 L 16.5 5 C 16.5 3.070313 18.070313 1.5 20 1.5 C 21.929688 1.5 23.5 3.070313 23.5 5 L 23.5 35.5 Z "></path>
+<path style=" fill:#4788C7;" d="M 20 2 C 21.652344 2 23 3.347656 23 5 L 23 35 L 17 35 L 17 5 C 17 3.347656 18.347656 2 20 2 M 20 1 C 17.789063 1 16 2.789063 16 5 L 16 36 L 24 36 L 24 5 C 24 2.789063 22.210938 1 20 1 Z "></path>
+</g>
+</svg>
\ No newline at end of file
--- a/02-Sept-2020/mean/src/assets/icons/airplane-front-view.svg
+++ b/02-Sept-2020/mean/src/assets/icons/airplane-front-view.svg
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 40 40" version="1.1">
+<g id="surface1">
+<path style=" fill:#4788C7;" d="M 25.5 14 L 14.5 14 C 14.222656 14 14 13.777344 14 13.5 C 14 13.222656 14.222656 13 14.5 13 L 25.5 13 C 25.777344 13 26 13.222656 26 13.5 C 26 13.777344 25.777344 14 25.5 14 Z "></path>
+<path style=" fill:#DFF0FE;" d="M 17.605469 18.5 L 18.96875 11.414063 C 19.046875 10.882813 19.488281 10.5 20 10.5 C 20.511719 10.5 20.953125 10.882813 21.027344 11.390625 L 22.394531 18.5 Z "></path>
+<path style=" fill:#4788C7;" d="M 20 11 C 20.265625 11 20.492188 11.199219 20.539063 11.507813 L 21.789063 18 L 18.210938 18 L 19.46875 11.460938 C 19.507813 11.199219 19.734375 11 20 11 M 20 10 C 19.234375 10 18.585938 10.5625 18.476563 11.320313 L 17 19 L 23 19 L 21.523438 11.320313 C 21.414063 10.5625 20.765625 10 20 10 Z "></path>
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--- a/02-Sept-2020/mean/src/assets/icons/catamaran.svg
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--- a/02-Sept-2020/mean/src/assets/icons/clone.svg
+++ b/02-Sept-2020/mean/src/assets/icons/clone.svg
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--- a/02-Sept-2020/mean/src/assets/icons/close.svg
+++ b/02-Sept-2020/mean/src/assets/icons/close.svg
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--- a/02-Sept-2020/mean/src/assets/icons/convertible.svg
+++ b/02-Sept-2020/mean/src/assets/icons/convertible.svg
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--- a/02-Sept-2020/mean/src/assets/icons/delete.svg
+++ b/02-Sept-2020/mean/src/assets/icons/delete.svg
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--- a/02-Sept-2020/mean/src/assets/icons/drone.svg
+++ b/02-Sept-2020/mean/src/assets/icons/drone.svg
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--- a/02-Sept-2020/mean/src/assets/icons/trolleybus.svg
+++ b/02-Sept-2020/mean/src/assets/icons/trolleybus.svg
--- a/02-Sept-2020/mean/src/assets/icons/water-transportation.svg
+++ b/02-Sept-2020/mean/src/assets/icons/water-transportation.svg
--- a/02-Sept-2020/mean/src/assets/logo.png
+++ b/02-Sept-2020/mean/src/assets/logo.png
--- a/02-Sept-2020/mean/src/environments/environment.prod.ts
+++ b/02-Sept-2020/mean/src/environments/environment.prod.ts
--- a/02-Sept-2020/mean/src/environments/environment.ts
+++ b/02-Sept-2020/mean/src/environments/environment.ts
--- a/02-Sept-2020/mean/src/favicon.ico
+++ b/02-Sept-2020/mean/src/favicon.ico
--- a/02-Sept-2020/mean/src/index.html
+++ b/02-Sept-2020/mean/src/index.html
--- a/02-Sept-2020/mean/src/main.ts
+++ b/02-Sept-2020/mean/src/main.ts
--- a/02-Sept-2020/mean/src/polyfills.ts
+++ b/02-Sept-2020/mean/src/polyfills.ts
--- a/02-Sept-2020/mean/src/styles.scss
+++ b/02-Sept-2020/mean/src/styles.scss
--- a/02-Sept-2020/mean/src/test.ts
+++ b/02-Sept-2020/mean/src/test.ts
--- a/02-Sept-2020/mean/src/typings.d.ts
+++ b/02-Sept-2020/mean/src/typings.d.ts
--- a/02-Sept-2020/mean/tsconfig.app.json
+++ b/02-Sept-2020/mean/tsconfig.app.json
--- a/02-Sept-2020/mean/tsconfig.json
+++ b/02-Sept-2020/mean/tsconfig.json
--- a/02-Sept-2020/mean/tsconfig.spec.json
+++ b/02-Sept-2020/mean/tsconfig.spec.json
--- a/02-Sept-2020/mean/tslint.json
+++ b/02-Sept-2020/mean/tslint.json
--- a/02-Sept-2020/mean/yarn.lock
+++ b/02-Sept-2020/mean/yarn.lock