Functional requirements of Smart Retail System with non-functional

Functional Requirements

1. User Authentication and Authorization
   • Secure registration, login, and account management for customers, store employees, and administrators.
   • Role-based access controls to manage permissions for different system features.
2. Product Management
   • Allow for the addition, editing, and deletion of product information, including descriptions, prices, and inventory levels.
   • Support for managing product categories, promotions, and discounts.
3. Inventory Management
   • Track and manage inventory levels in real-time, including stock alerts and reorder notifications.
   • Provide tools for managing inventory across multiple locations or warehouses.
4. Point of Sale (POS) System
   • Facilitate transactions at checkout, including support for various payment methods (e.g., credit/debit cards, mobile payments, cash).
   • Provide features for managing sales, returns, and exchanges.
5. Customer Relationship Management (CRM)
   • Store and manage customer profiles, including purchase history, preferences, and contact information.
   • Provide tools for targeted marketing, personalized offers, and customer engagement.
6. Sales and Analytics
   • Analyze sales data to provide insights into sales trends, customer behavior, and store performance.
   • Generate reports on sales metrics, inventory levels, and financial performance.
7. Loyalty and Rewards Programs
   • Implement and manage customer loyalty programs, including points accumulation, rewards, and discounts.
   • Provide tools for tracking and redeeming rewards.
8. Omnichannel Integration
   • Integrate online and offline sales channels for a seamless shopping experience.
   • Support for managing online orders, in-store pickup, and returns.
9. Personalized Shopping Experience
   • Offer personalized recommendations based on customer preferences and browsing history.
   • Provide features for customizing the shopping experience, such as personalized promotions and product suggestions.
10. Store Operations Management
    • Manage store operations, including employee scheduling, task management, and performance tracking.
    • Provide tools for managing store layouts, planograms, and in-store displays.
11. Supply Chain Management
    • Integrate with suppliers and vendors for order management, tracking, and procurement.
    • Provide tools for managing purchase orders, supplier relationships, and logistics.
12. Customer Support and Feedback
    • Offer customer support through various channels (e.g., chat, email, phone).
    • Collect and manage customer feedback, reviews, and complaints.
13. Security and Fraud Prevention
    • Implement security measures to protect sensitive data, including payment information and personal details.
    • Provide tools for detecting and preventing fraud.

Non-Functional Requirements

1. Performance
   • Ensure the system can handle high volumes of transactions and data efficiently.
   • Provide quick response times for user interactions, transactions, and data updates.
2. Scalability
   • The system should be scalable to accommodate increasing numbers of users, products, and transactions.
   • Support both horizontal and vertical scaling to manage growth and increased data.
3. Availability
   • Ensure high availability with minimal downtime (e.g., 99.9% uptime).
   • Implement redundancy and failover mechanisms to maintain system operation during failures.
4. Security
   • Protect user data, payment information, and system communications through encryption and secure access controls.
   • Implement regular security assessments and adhere to data protection regulations (e.g., PCI DSS).
5. Usability
   • Design an intuitive and user-friendly interface for customers, store employees, and administrators.
   • Provide clear navigation, help documentation, and user support.
6. Compatibility
   • Ensure compatibility with various devices (e.g., POS terminals, mobile devices) and operating systems.
   • Integrate with existing retail infrastructure and third-party systems (e.g., payment gateways, ERP systems).
7. Maintainability
   • The system should have a modular and well-documented codebase to facilitate maintenance and updates.
   • Implement automated testing, continuous integration, and version control practices.
8. Reliability
   • Ensure reliable operation with robust error handling and recovery mechanisms.
   • Minimize system errors and downtime through proactive monitoring and maintenance.
9. Compliance
   • Adhere to relevant regulations and standards for retail operations and data privacy (e.g., GDPR, CCPA).
   • Ensure compliance with industry best practices and guidelines.
10. Efficiency
    • Optimize resource usage (e.g., memory, processing power) to ensure efficient operation and cost-effectiveness.
    • Implement energy-efficient practices for system and device operation.