Functional requirements of Online Shopping Cart with non-functional
Functional Requirements
- User Authentication and Authorization
- Allow users to create accounts, log in, and manage their profiles.
- Implement role-based access control if applicable (e.g., for admins or customer support).
- Product Catalog Management
- Display a catalog of products, including details such as product names, descriptions, images, prices, and availability.
- Support product categories, search functionality, and filtering options.
- Shopping Cart Management
- Enable users to add, update, and remove items from their shopping cart.
- Display cart contents, including product details, quantities, and total price.
- Support functionalities for saving cart items for later or retrieving saved carts.
- Price Calculation and Discounts
- Calculate total prices, including item prices, taxes, shipping fees, and any applicable discounts or promotions.
- Apply discount codes or promotional offers and reflect changes in the cart total.
- Checkout Process
- Facilitate a streamlined checkout process, including selecting shipping options, entering shipping addresses, and choosing payment methods.
- Provide order summary and confirmation before finalizing the purchase.
- Payment Processing
- Handle payment transactions securely, supporting various payment methods (e.g., credit/debit cards, digital wallets).
- Process payment confirmations and generate receipts.
- Order Management
- Allow users to view their order history, track order status, and manage returns or exchanges.
- Provide order details, including shipping information and estimated delivery dates.
- Shipping and Delivery
- Provide shipping options, including different delivery methods and associated costs.
- Integrate with shipping providers for tracking and managing deliveries.
- Customer Support and Helpdesk
- Offer support resources and help guides for users to address common issues related to their shopping carts and orders.
- Provide customer support through various channels (e.g., chat, email, phone).
- Reviews and Ratings
- Allow users to submit and view product reviews and ratings.
- Display aggregate ratings and reviews on product pages.
- Integration with External Systems
- Integrate with inventory management systems, payment gateways, and shipping providers.
- Support integration with CRM systems or marketing tools as needed.
- Compliance and Legal
- Ensure compliance with relevant laws and regulations related to online shopping, including data protection and consumer rights.
- Provide legal documentation, terms of service, and privacy policies.
Non-Functional Requirements
- Performance
- Ensure quick response times for browsing products, managing the shopping cart, and processing transactions.
- Handle high volumes of concurrent users and shopping activities efficiently.
- Scalability
- Support the addition of new products, categories, and users as the system grows.
- Scale to accommodate increasing traffic and transaction loads.
- Reliability
- Ensure high system availability with minimal downtime.
- Implement backup and recovery procedures to protect cart data and ensure business continuity.
- Security
- Protect sensitive user and payment data with encryption and secure access controls.
- Ensure compliance with data protection regulations (e.g., GDPR, PCI-DSS).
- Usability
- Provide an intuitive and user-friendly interface for browsing products, managing the shopping cart, and completing purchases.
- Ensure ease of navigation and accessibility features for all users.
- Maintainability
- Design the system for easy updates, maintenance, and troubleshooting.
- Provide clear documentation for system administrators and developers.
- Compatibility
- Ensure compatibility with various devices (e.g., desktops, tablets, smartphones) and operating systems.
- Integrate seamlessly with other systems and software as needed.
- Data Integrity
- Ensure accuracy and consistency of product information, cart data, and transaction records.
- Implement validation checks and error-handling mechanisms to maintain data quality.
- Support and Documentation
- Provide user manuals, help guides, and support resources for troubleshooting and training.
- Offer technical support for system issues and maintenance.
- Auditability
- Maintain logs of user actions, cart activity, and transaction records for auditing purposes.
- Provide audit trails for order processing, payment transactions, and system modifications.