E-Commerce

Overview

E-Commerce is a scalable and efficient online shopping platform built using modern technologies. It provides seamless payment processing, user notifications, an quick search API, and a secure authentication system, ensuring a smooth and fast user experience.

Tech Stack

Frontend:

• React.js
• CSS

Backend:

• Spring Boot
• Firestore
• Redis (Caching & Streams for notifications)
• JUnit (Unit Testing)
• PostgreSQL (Database)
• Spring Data JPA (JPA Repository)

Features

• Payment Gateway Integration: Secure payment processing for seamless transactions.
• Scalable Notification Service: Built using Redis Streams to handle high loads efficiently.
• Automated Receipt Generation: Generates and sends receipts upon successful transactions.
• Search API: Uses Firestore for fast and intelligent product searches.
• Order Management: Enables users to place, track, and manage orders.
• Review Service: Allows customers to provide feedback and rate products.
• Wishlist & Cart Service: Save products for later and manage cart items effortlessly.
• Custom OTP-Based Authentication: Ensures secure login and hassle free user verification.
• Performance Optimization:
  • Browser-Side Caching: Reduces redundant API calls for a faster frontend experience.
  • Server-Side Caching: Optimized response times using Redis.
• Extensive Unit Testing: 35 unit tests written using JUnit to ensure code reliability.
• User Feedback and Queries: Users Feedback and queries feature.

Backend Setup:

1. Clone the repository:
2. Configure Firestore, Redis, PostgreSQL and Java Mail Sender in application.properties.
3. Build and run the Spring Boot application:

   cd ecommerce
   mvn clean install
   mvn spring-boot:run

Frontend Setup:

1. Navigate to the frontend directory:

   cd client
   npm install
   npm start

Running Tests

To run unit tests using JUnit:

mvn test