Node.js CRUD Application

This is a simple CRUD (Create, Read, Update, Delete) RESTful API built using Node.js and Express.js. The API allows users to manage orders and products, as well as perform user authentication and authorization.

Features

• User can create an account and log in
• User can create, read, update, and delete orders and products via RESTful API
• User can upload files (images, documents, etc.) using Multer
• Secure user authentication and password hashing using bcrypt
• Uses Mongoose for MongoDB integration

Technologies Used

• Node.js
• Express.js
• MongoDB
• Mongoose
• Multer
• bcrypt
• jsonwebtoken

Installation

1. Clone the repository:

git clone https://github.com/MdShimulMahmud/RESTful-API.git

2. Install dependencies:

cd RESTful-API

npm install

3. Create a .env file and add your MongoDB Atlas connection string and session secret:

MONGO_PASSWORD=<your-mongodb-atlas-uri>

JWT_KEY=<your-secret-key>

4. Start the application:

npm start

API Testing Tools

Postman

API Endpoints

Authentication

• POST /api/users/signup: Creates a new user account. Expects a JSON body with email and password fields.
• POST /api/users/login: Authenticates a user. Expects a JSON body with email and password fields.

Screenshot

Products

• GET /api/products: Returns a list of all products.
• GET /api/products/:id: Returns the product with the specified ID.
• POST /api/products: Creates a new product. Expects a JSON body with name, price, and file fields (for file upload).
• PUT /api/products/:id: Updates the product with the specified ID. Expects a JSON body with name and price fields (for non-file updates).
• DELETE /api/products/:id: Deletes the product with the specified ID.

Screenshot

Orders

• GET /api/orders: Returns a list of all orders.
• GET /api/orders/:id: Returns the order with the specified ID.
• POST /api/orders: Creates a new order. Expects a JSON body with productId and quantity fields.
• PUT /api/orders/:id: Updates the order with the specified ID. Expects a JSON body with productId and quantity fields.
• DELETE /api/orders/:id: Deletes the order with the specified ID.

Screenshot

File Uploads

To upload files, send a multipart/form-data request with a file field containing the file to be uploaded.

Security

This API uses bcrypt for password hashing and verification to ensure secure authentication. Please make sure to set a strong JWT_KEY in your .env file to further enhance security.