🛒 SpringCart – Full-Stack E-Commerce Web Application

Built with Spring Boot, Razorpay, Google OAuth2, Thymeleaf & MySQL

SpringCart is a fully functional production-grade e-commerce application featuring a modern UI, complete shopping flow, admin product management, secure Google OAuth login, Razorpay payment gateway, order history with PDF invoices, and a clean backend architecture.
The project is deployed live on Render and uses MySQL hosted on Aiven.

---

🚀 Live Demo

🔗 https://springcart.onrender.com

---

📌 Overview

SpringCart provides a smooth shopping experience like a real e-commerce platform (Flipkart/Amazon–style) including:

• Product browsing
• Add to cart
• Checkout summary
• Razorpay payment
• Order tracking
• Invoice downloads
• Admin product management
• Google OAuth authentication
• Clean UI with responsive design

---

🎯 Key Features

👤 User Features

• Login using Google OAuth 2.0
• View all products with clean product cards
• Product Details page
• Add to Cart with live cart count update
• Checkout page displaying:
  • Product price
  • Delivery charge
  • Discounts
  • Payable total
• Razorpay Payment Gateway (Test Mode)
• Automatic order creation on successful payment
• Payment success & failure redirection
• View all previous orders under My Orders
• Order Details page showing:
  • Order ID
  • Product details
  • Amount
  • Timestamps
  • Payment status
• Download Invoice (PDF) for each order

---

🛠️ Admin Features

Admin is detected using the admin email inside CustomAuthSuccessHandler.

• Google OAuth2 login → auto redirect to admin panel
• Add product (with validations)
• Edit product (form auto-fills current values)
• Delete product
• Product image upload:
  • JPG only
  • Max 5MB
  • URL or file upload
• Admin UI automatically hides:
  • Add to cart
  • Buy buttons

⚠ Admin cannot order or add to cart.

---

💳 Payment Integration (Razorpay)

• Integrated Razorpay checkout UI (Test Mode)
• Backend validates signature & payment
• Success Flow:
  • Save order to DB
  • Clear cart
  • Redirect to success page
• Failure Flow:
  • Keep cart unchanged
  • Redirect to failure page

---

📄 Invoice Generation

Each successful order generates a PDF invoice, containing:

• Order ID
• Product details
• Payment status
• Total amount
• Order timestamp

---

🔧 Technologies Used

Backend

• Spring Boot 3
• Spring MVC
• Spring Security (OAuth2 Login)
• Spring Data JPA
• Hibernate
• Razorpay Java SDK

Frontend

• HTML5
• CSS3
• JavaScript
• Thymeleaf
• Bootstrap

Database

• MySQL (Hosted on Aiven Cloud)

Deployment

• Render (Web Service)

---

📁 Project Structure