Functional requirements of Retail Inventory Management System with non-functional

Functional Requirements for a Retail Inventory Management System

1. User Authentication and Authorization:
   • Users: Ability to create accounts, log in, and manage profiles.
   • Role-Based Access Control: Different permissions for roles such as store managers, inventory staff, and administrators.
2. Inventory Tracking and Management:
   • Product Management: Add, update, and delete product details, including SKU, description, category, price, and quantity.
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   • Stock Levels: Monitor and manage stock levels in real-time, including tracking stock movements and adjustments.
3. Order Management:
   • Purchase Orders: Create, manage, and track purchase orders from suppliers.
   • Sales Orders: Process and track sales orders, including order fulfillment and returns.
4. Supplier Management:
   • Supplier Profiles: Create and manage supplier information, including contact details, payment terms, and product catalogs.
   • Order History: Track order history and performance metrics for each supplier.
5. Barcode and RFID Integration:
   • Scanning: Support for barcode and RFID scanning for inventory tracking and management.
   • Label Printing: Generate and print barcode labels for products.
6. Stock Replenishment:
   • Automatic Reordering: Set reorder points and thresholds to trigger automatic stock replenishment.
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   • Inventory Alerts: Notify staff when stock levels fall below predefined thresholds.
7. Reporting and Analytics:
   • Inventory Reports: Generate reports on stock levels, turnover rates, and stock aging.
   • Sales Reports: Analyze sales performance, revenue, and trends.
   • Supplier Performance: Report on supplier performance metrics and order fulfillment.
8. Returns and Exchanges Management:
   • Return Processing: Handle product returns and exchanges, including updating inventory and processing refunds or replacements.
   • Return Policies: Manage and enforce return policies and procedures.
9. Integration with POS Systems:
   • Sales Integration: Integrate with point-of-sale (POS) systems to synchronize sales transactions and inventory updates.
   • Data Sync: Ensure real-time synchronization of sales data and inventory levels.
10. Inventory Auditing:
    • Stock Audits: Perform regular physical counts of inventory and reconcile with system records.
    • Discrepancy Management: Identify and address discrepancies between physical and system inventory.
11. Multi-Location Support:
    • Store Management: Manage inventory across multiple store locations or warehouses.
    • Centralized Reporting: Aggregate data from multiple locations for consolidated reporting.
12. User Preferences and Customization:
    • Dashboard Customization: Allow users to customize dashboards and reports based on their preferences and role.
    • Notification Settings: Configure notification preferences for inventory alerts and order updates.
13. Data Backup and Recovery:
    • Backup: Regularly back up inventory data to ensure data integrity and availability.
    • Recovery: Implement recovery procedures to restore data in case of loss or corruption.

Non-Functional Requirements for a Retail Inventory Management System

1. Performance:
   • Ensure fast response times for inventory queries, order processing, and report generation.
   • Handle high volumes of data and simultaneous user access efficiently.
2. Scalability:
   • The system should scale to accommodate increasing numbers of products, transactions, and users.
   • Support both horizontal and vertical scaling as needed.
3. Reliability:
   • Ensure high availability with minimal downtime.
   • Implement redundancy and failover mechanisms to maintain system reliability.
4. Security:
   • Use strong authentication and encryption to protect user data and transaction details.
   • Regularly update security measures to address vulnerabilities and protect against threats.
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5. Usability:
   • Design an intuitive and user-friendly interface for staff and administrators.
   • Provide clear instructions and support to facilitate effective use of the system.
6. Maintainability:
   • Design the system with modularity and clear documentation to facilitate maintenance and updates.
   • Implement automated testing and monitoring to identify and resolve issues promptly.
7. Interoperability:
   • Ensure compatibility with external systems such as POS systems, accounting software, and supplier platforms.
   • Support standard data formats and communication protocols for seamless integration.
8. Availability:
   • The system should be available 24/7, with mechanisms to handle high traffic and system outages.
   • Implement regular backups and disaster recovery procedures to ensure data integrity and system continuity.
9. Compliance:
   • Adhere to relevant data protection regulations (e.g., GDPR, CCPA) to ensure user privacy and security.
   • Ensure compliance with industry standards and regulations related to inventory management.
10. Accessibility:
    • Design the system to be accessible to users with disabilities, following WCAG (Web Content Accessibility Guidelines).
    • Ensure compatibility with assistive technologies and various devices.
11. Localization and Internationalization:
    • Support multiple languages and regional settings for a global user base.
    • Allow customization of settings based on regional preferences and legal requirements.
12. Disaster Recovery:
    • Implement a disaster recovery plan to restore system functionality in case of major failures or data loss.
    • Regularly test and update recovery procedures to ensure effectiveness.
13. Data Accuracy and Integrity:
    • Ensure the accuracy and reliability of data related to inventory levels, transactions, and supplier information.
    • Implement validation mechanisms to prevent and correct data errors, and perform regular audits to maintain data quality.