🛒 E-Commerce API Backend

🚀 Overview

Welcome to the E-Commerce API Backend! 🎉 This project aims to build a robust backend for an e-commerce platform, providing users with a seamless experience to browse, purchase products, manage their shopping carts, and more. 🌐

🎯 Product Goals and Objectives

• Develop a RESTful API with clear and intuitive endpoints. 🌟
• Implement core functionalities for managing products, users, orders, and payments. 💼
• Integrate user authentication and authorization mechanisms. 🔒
• Provide functionalities for product categorization, filtering, and search. 🔍
• Ensure secure and efficient payment processing with third-party integration. 💳
• Implement order tracking and inventory management features. 📦
• Ensure high performance, reliability, and scalability. ⚡

🔧 Functional Requirements

👤 User Management

User Registration

• Description: Users can register with their email, password, and profile details. 📧
• Flow of Events:
  1. User submits registration details.
  2. System validates email format and password strength.
  3. System creates a new user account and sends a confirmation message. ✔️

User Login

• Description: Registered users can log in to access their accounts. 🔑
• Flow of Events:
  1. User submits login credentials.
  2. System verifies credentials and generates JWT tokens. 🛡️
  3. System returns tokens and user details. ✅

Authentication & Authorization

• Description: Secure access with JWT tokens. 🔐
• Flow of Events:
  1. User sends requests with an access token.
  2. Server verifies the token and issues a new access token if needed. 🔄
  3. If refresh token is expired, user is logged out. 🚪

Forgot Password

• Description: Users can reset their password if forgotten. 🔄
• Flow of Events:
  1. User requests a password reset by providing their email.
  2. System sends a reset link/token via email. 📧
  3. User resets the password and receives confirmation. ✔️

Logout

• Description: Users can log out of the platform. 🚪
• Flow of Events:
  1. User sends a logout request.
  2. System invalidates tokens and deletes them. 🗑️
  3. System sends a confirmation response. ✅

🛍️ Product Management

Product Listing

• Description: Display all products with filtering and sorting options. 📋
• Flow of Events:
  1. User requests a list of products.
  2. System applies filters and sorting.
  3. System returns a paginated list of products. 📦

Product Details

• Description: View detailed information about a specific product. 🛒
• Flow of Events:
  1. User requests details of a product.
  2. System retrieves and returns product details. 📝

Product Search

• Description: Search for products by keywords or categories. 🔍
• Flow of Events:
  1. User sends a search request.
  2. System retrieves and returns matching products. 📜

Product Management (Admin)

• Description: Admins can create, update, or delete products. 🛠️
• Flow of Events:
  1. Admin sends a request to manage products.
  2. System validates and performs the requested action. ✔️

🛒 Shopping Cart Management

Add to Cart

• Description: Users can add products to their cart. 🛒
• Flow of Events:
  1. User adds a product to the cart.
  2. System checks availability and updates the cart. ✔️

View Cart

• Description: Users can view their shopping cart. 📋
• Flow of Events:
  1. User requests to view the cart.
  2. System retrieves and returns cart details. 📝

Update Cart

• Description: Users can update quantities or remove items. 🔄
• Flow of Events:
  1. User sends a request to update/remove items.
  2. System validates and updates the cart. ✔️

Clear Cart

• Description: Users can clear all items from their cart. 🗑️
• Flow of Events:
  1. User requests to clear the cart.
  2. System clears the cart and sends confirmation. ✅

📦 Order Management

Place Order

• Description: Users can place an order for items in their cart. 📦
• Flow of Events:
  1. User proceeds to checkout.
  2. System verifies details and processes the payment. 💳
  3. System updates inventory and sends an order confirmation. ✔️

Order Tracking

• Description: Users can track their orders. 📍
• Flow of Events:
  1. User requests to track an order.
  2. System retrieves and returns order status. 📝

Order History

• Description: Users can view their past orders. 📜
• Flow of Events:
  1. User requests order history.
  2. System retrieves and returns past orders. 📚

💳 Payment Integration

Payment Processing

• Description: Securely process payments through third-party gateways. 💳
• Flow of Events:
  1. User selects a payment method at checkout.
  2. System integrates with a payment gateway to process payment. 🔄
  3. System confirms payment and places the order. ✅

Payment Refunds

• Description: Process refunds for canceled or returned orders. 🔄
• Flow of Events:
  1. User or admin requests a refund.
  2. System validates and processes the refund. 💵
  3. System updates order status and sends confirmation. ✔️

📈 Inventory Management (Admin)

Inventory Updates

• Description: Admins can update stock levels for products. 📦
• Flow of Events:
  1. Admin sends a request to update inventory levels.
  2. System updates stock status and sends confirmation. ✔️

Low Stock Alerts

• Description: Notify admins when stock levels are low. 🚨
• Flow of Events:
  1. System monitors stock levels.
  2. Alerts admin when stock is low. 📉

⭐ Reviews and Ratings

Product Reviews

• Description: Users can leave reviews and ratings for products. ✍️
• Flow of Events:
  1. User submits a review and rating.
  2. System stores and displays the review. ⭐