Contacts Management System

This is a Node.js and Express application for managing contacts with user authentication. Each user can register, login, view their profile, and perform CRUD operations on their contacts.

Features

• User Registration: Users can register by providing their email and password.
• User Login: Registered users can log in using their email and password.
• JWT Authentication: JSON Web Token (JWT) is used for user authentication.
• User Profile: Users can view their profile information, including their email and other details.
• Contact Management: Users can perform CRUD operations on their contacts (Create, Read, Update, Delete).

Technologies Used

• Node.js
• Express.js
• MongoDB
• Mongoose
• JWT (JSON Web Tokens)
• Bcrypt (Password hashing)
• Express Validator (Input validation)

Installation

1. Clone the repository:

   git clone https://github.com/bhupendrasambare/NodeJs-contacts-application.git

2. Navigate to the project directory:

   cd NodeJs-contacts-application

3. Install dependencies:

   npm install

4. Set up environment variables:

   Create a .env file in the root directory and add the following variables:

    PORT=6000
    CONNECTION_STRING=mongodb+srv://root:password@curd.tnzons1.mongodb.net/curd
    ACCESS_TOKEN_SECRET=bhupendrasambarethewebdeveloper
   

5. Start the server:

   npm start

6. Access the application in your browser at http://localhost:6000.

API Endpoints

• POST /api/users/register - Register a new user.
• POST /api/users/login - Login a user.
• GET /api/users/profile - Get user profile.
• POST /api/contacts - Create a new contact.
• GET /api/contacts - Get all contacts of the authenticated user.
• GET /api/contacts/:id - Get a single contact by ID.
• PUT /api/contacts/:id - Update a contact by ID.
• DELETE /api/contacts/:id - Delete a contact by ID.

Example CURL Commands

Replace {{token}} with the actual token obtained after login.

Create a new contact

curl --location 'localhost:6000/api/contacts' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer {{token}}' \
--data-raw '{
    "firstName": "John",
    "lastName": "Doe",
    "email": "john.doe@example.com",
    "phone": "1234567890"
}'

Get a contact by ID

curl --location 'localhost:6000/api/contacts/65fc9483396f24e092a87028' \
--header 'Authorization: Bearer {{token}}'

Update a contact by ID

curl --location --request PUT 'localhost:6000/api/contacts/65fc9483396f24e092a87028' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer {{token}}' \
--data-raw '{
    "firstName": "Jane",
    "lastName": "Doe",
    "email": "jane.doe@example.com",
    "phone": "1234567890"
}'

Delete a contact by ID

curl --location --request DELETE 'localhost:6000/api/contacts/65f63193ea4beca9afd9a8c0' \
--header 'Authorization: Bearer {{token}}'

Register a new user

curl --location 'localhost:6000/api/users/register' \
--header 'Content-Type: application/json' \
--data-raw '{
    "userName": "username",
    "email": "user@example.com",
    "password": "password",
    "firstName": "John",
    "lastName": "Doe",
    "phone": "1234567890"
}'

Login user

curl --location 'localhost:6000/api/users/login' \
--header 'Content-Type: application/json' \
--data-raw '{
    "email": "user@example.com",
    "password": "password"
}'

Get all users

curl --location 'localhost:6000/api/users/get' \
--header 'Authorization: Bearer {{token}}'

Get user profile

curl --location 'localhost:6000/api/users/profile' \
--header 'Authorization: Bearer {{token}}'

Author

Bhupendra sambare