Functional requirements of Online Grocery Store with non-functional

Functional Requirements

1. User Management
   • User Registration and Login: Users should be able to register, log in, and manage their accounts.
   • Profile Management: Users can update their personal information, address, and payment methods.
2. Product Management
   • Product Listing: Admins can add, update, and remove products, including details like name, description, price, and images.
   • Product Categories: Products should be organized into categories for easier browsing.
3. Shopping Cart
   • Add/Remove Items: Users can add or remove items from their shopping cart.
   • View Cart: Users can view the contents of their cart, including product details and total price.
4. Checkout Process
   • Order Summary: Users should see a summary of their order before finalizing the purchase.
   • Payment Integration: Integration with payment gateways to process transactions securely.
   • Order Confirmation: Users receive an order confirmation via email or SMS.
5. Order Management
   • Order Tracking: Users can track the status of their orders.
   • Order History: Users can view their past orders and reorder items.
6. Search and Filters
   • Product Search: Users can search for products using keywords.
   • Filters: Users can filter products by category, price range, brand, etc.
7. Inventory Management
   • Stock Levels: Display and manage stock levels for each product.
   • Notifications: Notify admins when stock levels are low.
8. Promotions and Discounts
   • Coupons: Users can apply coupon codes for discounts.
   • Promotions: Display ongoing promotions and discounts on the website.
9. Customer Support
   • Help Center: Provide FAQs and support articles.
   • Live Chat: Offer real-time chat support for customer inquiries.
10. Reviews and Ratings
    • Product Reviews: Users can leave reviews and rate products.
    • Review Moderation: Admins can moderate reviews to ensure quality.

Non-Functional Requirements

1. Performance
   • Load Time: The site should load quickly, ideally within 2-3 seconds.
   • Scalability: The system should handle a growing number of users and products efficiently.
2. Security
   • Data Encryption: Use HTTPS and encryption to protect user data and transactions.
   • Authentication and Authorization: Secure user authentication and authorization mechanisms to protect accounts and data.
   • Payment Security: Compliance with Payment Card Industry Data Security Standard (PCI DSS) for handling payment information.
3. Reliability
   • Uptime: Aim for high availability with minimal downtime (e.g., 99.9% uptime).
   • Backup: Regular data backups to prevent data loss.
4. Usability
   • User Interface: Intuitive and easy-to-navigate interface for users.
   • Accessibility: Ensure the website is accessible to users with disabilities, complying with standards like WCAG.
5. Compatibility
   • Cross-Browser Support: Ensure compatibility with major web browsers (Chrome, Firefox, Safari, Edge).
   • Mobile Responsiveness: The website should be fully functional and user-friendly on mobile devices.
6. Maintainability
   • Code Quality: Write clean, well-documented code to facilitate future updates and maintenance.
   • Modularity: Design the system with modular components to simplify upgrades and changes.
7. Compliance
   • Legal Requirements: Adhere to local laws and regulations regarding online sales, data protection, and consumer rights.
   • Privacy Policy: Implement a clear privacy policy explaining data collection and usage practices.
8. Backup and Recovery
   • Data Backup: Regular automated backups of data and system states.
   • Disaster Recovery: A plan to recover from system failures or data loss.