├── README.md
└── project
    ├── controllers
        └── employeeController.js
    ├── models
        ├── db.js
        └── employee.model.js
    ├── package-lock.json
    ├── package.json
    ├── server.js
    └── views
        ├── employee
            ├── addOrEdit.hbs
            └── list.hbs
        └── layouts
            └── mainLayout.hbs


/README.md:
--------------------------------------------------------------------------------
 1 | # Node.js-Expess-MongoDB-CRUD
 2 | 
 3 | Content discussed : 
 4 |  - Form Design 
 5 |  - Post Form Data into Node.js
 6 |  - Implemented Form Validation with mongoose model
 7 |  - Insert, Update and Delete with Node and MongoDB
 8 | 
 9 | ## Get the Code
10 | 
11 | ```
12 | $ git clone https://github.com/CodAffection/Node.js-Expess-MongoDB-CRUD.git
13 | $ cd Node.js-Expess-MongoDB-CRUD/project
14 | $ npm install
15 | ```
16 | 
17 |  ## How it works ?
18 |  
19 |  :tv: Video tutorial on this same topic  
20 |  Url : https://youtu.be/voDummz1gO0
21 |  
22 | <a href="http://www.youtube.com/watch?feature=player_embedded&v=voDummz1gO0
23 | " target="_blank"><img src="http://img.youtube.com/vi/voDummz1gO0/0.jpg" 
24 | alt="Video Tutorial for Node.js-Expess-MongoDB-CRUD" width="500" height="400" border="10" /></a>
25 | 
26 | 
27 | | :bar_chart:               |  List of Tutorials   |   | :moneybag:           | Support Us                           |
28 | |--------------------------:|:---------------------|---|---------------------:|:-------------------------------------|
29 | | Angular                   |http://bit.ly/2KQN9xF |   |Paypal                | https://goo.gl/bPcyXW                |
30 | | Asp.Net Core              |http://bit.ly/30fPDMg |   |Amazon   Affiliate    | https://geni.us/JDzpE                |
31 | | React                     |http://bit.ly/325temF |   |
32 | | Python                    |http://bit.ly/2ws4utg |   | :point_right:        | Follow Us                            |
33 | | Node.js                   |https://goo.gl/viJcFs |   |Website               |http://www.codaffection.com          |
34 | | Asp.Net MVC               |https://goo.gl/gvjUJ7 |   |YouTube               |https://www.youtube.com/codaffection  |
35 | | Flutter                   |https://bit.ly/3ggmmJz|   |Facebook              |https://www.facebook.com/codaffection |
36 | | Web API                   |https://goo.gl/itVayJ |   |Twitter               |https://twitter.com/CodAffection      |
37 | | MEAN Stack                |https://goo.gl/YJPPAH |   |
38 | | C# Tutorial               |https://goo.gl/s1zJxo |   |
39 | | Asp.Net WebForm           |https://goo.gl/GXC2aJ |   |
40 | | C# WinForm                |https://goo.gl/vHS9Hd |   |
41 | | MS SQL                    |https://goo.gl/MLYS9e |   |
42 | | Crystal Report            |https://goo.gl/5Vou7t |   |
43 | | CG Exercises in C Program |https://goo.gl/qEWJCs |   |
44 | 
45 | 


--------------------------------------------------------------------------------
/project/controllers/employeeController.js:
--------------------------------------------------------------------------------
  1 | const express = require('express');
  2 | var router = express.Router();
  3 | const mongoose = require('mongoose');
  4 | const Employee = mongoose.model('Employee');
  5 | 
  6 | router.get('/', (req, res) => {
  7 |     res.render("employee/addOrEdit", {
  8 |         viewTitle: "Insert Employee"
  9 |     });
 10 | });
 11 | 
 12 | router.post('/', (req, res) => {
 13 |     if (req.body._id == '')
 14 |         insertRecord(req, res);
 15 |         else
 16 |         updateRecord(req, res);
 17 | });
 18 | 
 19 | 
 20 | function insertRecord(req, res) {
 21 |     var employee = new Employee();
 22 |     employee.fullName = req.body.fullName;
 23 |     employee.email = req.body.email;
 24 |     employee.mobile = req.body.mobile;
 25 |     employee.city = req.body.city;
 26 |     employee.save((err, doc) => {
 27 |         if (!err)
 28 |             res.redirect('employee/list');
 29 |         else {
 30 |             if (err.name == 'ValidationError') {
 31 |                 handleValidationError(err, req.body);
 32 |                 res.render("employee/addOrEdit", {
 33 |                     viewTitle: "Insert Employee",
 34 |                     employee: req.body
 35 |                 });
 36 |             }
 37 |             else
 38 |                 console.log('Error during record insertion : ' + err);
 39 |         }
 40 |     });
 41 | }
 42 | 
 43 | function updateRecord(req, res) {
 44 |     Employee.findOneAndUpdate({ _id: req.body._id }, req.body, { new: true }, (err, doc) => {
 45 |         if (!err) { res.redirect('employee/list'); }
 46 |         else {
 47 |             if (err.name == 'ValidationError') {
 48 |                 handleValidationError(err, req.body);
 49 |                 res.render("employee/addOrEdit", {
 50 |                     viewTitle: 'Update Employee',
 51 |                     employee: req.body
 52 |                 });
 53 |             }
 54 |             else
 55 |                 console.log('Error during record update : ' + err);
 56 |         }
 57 |     });
 58 | }
 59 | 
 60 | 
 61 | router.get('/list', (req, res) => {
 62 |     Employee.find((err, docs) => {
 63 |         if (!err) {
 64 |             res.render("employee/list", {
 65 |                 list: docs
 66 |             });
 67 |         }
 68 |         else {
 69 |             console.log('Error in retrieving employee list :' + err);
 70 |         }
 71 |     });
 72 | });
 73 | 
 74 | 
 75 | function handleValidationError(err, body) {
 76 |     for (field in err.errors) {
 77 |         switch (err.errors[field].path) {
 78 |             case 'fullName':
 79 |                 body['fullNameError'] = err.errors[field].message;
 80 |                 break;
 81 |             case 'email':
 82 |                 body['emailError'] = err.errors[field].message;
 83 |                 break;
 84 |             default:
 85 |                 break;
 86 |         }
 87 |     }
 88 | }
 89 | 
 90 | router.get('/:id', (req, res) => {
 91 |     Employee.findById(req.params.id, (err, doc) => {
 92 |         if (!err) {
 93 |             res.render("employee/addOrEdit", {
 94 |                 viewTitle: "Update Employee",
 95 |                 employee: doc
 96 |             });
 97 |         }
 98 |     });
 99 | });
100 | 
101 | router.get('/delete/:id', (req, res) => {
102 |     Employee.findByIdAndRemove(req.params.id, (err, doc) => {
103 |         if (!err) {
104 |             res.redirect('/employee/list');
105 |         }
106 |         else { console.log('Error in employee delete :' + err); }
107 |     });
108 | });
109 | 
110 | module.exports = router;


--------------------------------------------------------------------------------
/project/models/db.js:
--------------------------------------------------------------------------------
1 | const mongoose = require('mongoose');
2 | 
3 | mongoose.connect('mongodb://localhost:27017/EmployeeDB', { useNewUrlParser: true }, (err) => {
4 |     if (!err) { console.log('MongoDB Connection Succeeded.') }
5 |     else { console.log('Error in DB connection : ' + err) }
6 | });
7 | 
8 | require('./employee.model');


--------------------------------------------------------------------------------
/project/models/employee.model.js:
--------------------------------------------------------------------------------
 1 | const mongoose = require('mongoose');
 2 | 
 3 | var employeeSchema = new mongoose.Schema({
 4 |     fullName: {
 5 |         type: String,
 6 |         required: 'This field is required.'
 7 |     },
 8 |     email: {
 9 |         type: String
10 |     },
11 |     mobile: {
12 |         type: String
13 |     },
14 |     city: {
15 |         type: String
16 |     }
17 | });
18 | 
19 | // Custom validation for email
20 | employeeSchema.path('email').validate((val) => {
21 |     emailRegex = /^(([^<>()\[\]\\.,;:\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,}))$/;
22 |     return emailRegex.test(val);
23 | }, 'Invalid e-mail.');
24 | 
25 | mongoose.model('Employee', employeeSchema);


--------------------------------------------------------------------------------
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726 | 


--------------------------------------------------------------------------------
/project/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "project",
 3 |   "version": "1.0.0",
 4 |   "description": "",
 5 |   "main": "server.js",
 6 |   "scripts": {
 7 |     "test": "echo \"Error: no test specified\" && exit 1"
 8 |   },
 9 |   "author": "",
10 |   "license": "ISC",
11 |   "dependencies": {
12 |     "body-parser": "^1.18.3",
13 |     "express": "^4.16.4",
14 |     "express-handlebars": "^3.0.0",
15 |     "mongoose": "^5.3.4"
16 |   }
17 | }
18 | 


--------------------------------------------------------------------------------
/project/server.js:
--------------------------------------------------------------------------------
 1 | require('./models/db');
 2 | 
 3 | const express = require('express');
 4 | const path = require('path');
 5 | const exphbs = require('express-handlebars');
 6 | const bodyparser = require('body-parser');
 7 | 
 8 | const employeeController = require('./controllers/employeeController');
 9 | 
10 | var app = express();
11 | app.use(bodyparser.urlencoded({
12 |     extended: true
13 | }));
14 | app.use(bodyparser.json());
15 | app.set('views', path.join(__dirname, '/views/'));
16 | app.engine('hbs', exphbs({ extname: 'hbs', defaultLayout: 'mainLayout', layoutsDir: __dirname + '/views/layouts/' }));
17 | app.set('view engine', 'hbs');
18 | 
19 | app.listen(3000, () => {
20 |     console.log('Express server started at port : 3000');
21 | });
22 | 
23 | app.use('/employee', employeeController);


--------------------------------------------------------------------------------
/project/views/employee/addOrEdit.hbs:
--------------------------------------------------------------------------------
 1 | <h3>{{viewTitle}}</h3>
 2 | 
 3 | <form action="/employee" method="POST" autocomplete="off">
 4 |     <input type="hidden" name="_id" value="{{employee._id}}">
 5 |     <div class="form-group">
 6 |         <label>Full Name</label>
 7 |         <input type="text" class="form-control" name="fullName" placeholder="Full Name" value="{{employee.fullName}}">
 8 |         <div class="text-danger">
 9 |             {{employee.fullNameError}}</div>
10 |     </div>
11 |     <div class="form-group">
12 |         <label>Email</label>
13 |         <input type="text" class="form-control" name="email" placeholder="Email" value="{{employee.email}}">
14 |         <div class="text-danger">
15 |             {{employee.emailError}}</div>
16 |     </div>
17 |     <div class="form-row">
18 |         <div class="form-group col-md-6">
19 |             <label>Mobile</label>
20 |             <input type="text" class="form-control" name="mobile" placeholder="Mobile" value="{{employee.mobile}}">
21 |         </div>
22 |         <div class="form-group col-md-6">
23 |             <label>City</label>
24 |             <input type="text" class="form-control" name="city" placeholder="City" value="{{employee.city}}">
25 |         </div>
26 |     </div>
27 |     <div class="form-group">
28 |         <button type="submit" class="btn btn-info"><i class="fa fa-database"></i> Submit</button>
29 |         <a class="btn btn-secondary" href="/employee/list"><i class="fa fa-list-alt"></i> View All</a>
30 |     </div>
31 | </form>


--------------------------------------------------------------------------------
/project/views/employee/list.hbs:
--------------------------------------------------------------------------------
 1 | <h3><a class="btn btn-secondary" href="/employee"><i class="fa fa-plus"></i> Create New</a> Employee List</h3>
 2 | <table class="table table-striped">
 3 |     <thead>
 4 |         <tr>
 5 |             <th>Full Name</th>
 6 |             <th>Email</th>
 7 |             <th>Mobile</th>
 8 |             <th>City</th>
 9 |             <th></th>
10 |         </tr>
11 |     </thead>
12 |     <tbody>
13 |         {{#each list}}
14 |         <tr>
15 |             <td>{{this.fullName}}</td>
16 |             <td>{{this.email}}</td>
17 |             <td>{{this.mobile}}</td>
18 |             <td>{{this.city}}</td>
19 |             <td>
20 |                 <a href="/employee/{{this._id}}"><i class="fa fa-pencil fa-lg" aria-hidden="true"></i></a>
21 |                 <a href="/employee/delete/{{this._id}}" onclick="return confirm('Are you sure to delete this record ?');"><i class="fa fa-trash fa-lg" aria-hidden="true"></i></a>
22 |             </td>
23 |         </tr>
24 |         {{/each}}
25 |     </tbody>
26 | </table>


--------------------------------------------------------------------------------
/project/views/layouts/mainLayout.hbs:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | 
 3 | <html>
 4 | 
 5 | <head>
 6 |     <title>Node.js express mongDB CRUD</title>
 7 |     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO"
 8 |         crossorigin="anonymous">
 9 |     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
10 | </head>
11 | 
12 | <body class="bg-info">
13 |     <div class="row">
14 |         <div class="col-md-6 offset-md-3" style="background-color: #fff;margin-top: 25px;padding:20px;">
15 |             {{{body}}}
16 |         </div>
17 |     </div>
18 | 
19 | </body>
20 | 
21 | </html>


--------------------------------------------------------------------------------