Functional requirements of Library Management System with non-functional

Functional Requirements

1. User Management:
   • User Registration and Authentication: Users should be able to create accounts and log in securely.
   • Role-Based Access: Different roles (e.g., librarian, member, admin) with different permissions.
   • Profile Management: Users can view and update their personal information.
2. Catalog Management:
   • Add/Update/Delete Books: Librarians can manage book entries, including adding new books, updating details, or removing them.
   • Search and Browse: Users should be able to search for books by title, author, genre, ISBN, etc.
   • Book Details: Display detailed information about each book, including availability, location, and a brief description.
3. Check-In/Check-Out System:
   • Borrowing Books: Users can check out books, and the system should update the book’s status and due date.
   • Returning Books: Users return books, and the system updates the status and calculates any overdue fees.
   • Reservation System: Users can reserve books that are currently checked out.
4. Inventory Management:
   • Track Inventory: Monitor the number of available and checked-out books.
   • Generate Reports: Generate reports on book usage, overdue items, and inventory status.
5. Fine Management:
   • Calculate Fines: Automatically calculate fines for overdue books.
   • Fine Payment: Allow users to pay fines online or track them within the system.
6. Notifications:
   • Due Date Reminders: Send email or SMS notifications to users about upcoming due dates.
   • Overdue Notices: Notify users when their borrowed books are overdue.
   • Reservation Alerts: Inform users when a reserved book is available.
7. Librarian Functions:
   • Book Shelving: Manage book locations and update shelf information.
   • User Assistance: Assist users with finding books and managing their accounts.
8. Reporting and Analytics:
   • Usage Statistics: Track the number of books borrowed, returned, and overdue.
   • User Activity: Generate reports on user activity and engagement.
9. System Administration:
   • Backup and Restore: Ensure data can be backed up and restored in case of system failure.
   • System Maintenance: Regular maintenance tasks like updates and system checks.

Non-Functional Requirements

1. Performance:
   • Response Time: The system should respond to user queries and actions quickly (e.g., search results should appear within seconds).
   • Scalability: The system should handle increasing amounts of data and users efficiently.
2. Reliability:
   • Availability: The system should be available and operational with minimal downtime.
   • Error Handling: The system should handle errors gracefully and provide meaningful error messages.
3. Usability:
   • User Interface: The interface should be intuitive and user-friendly, requiring minimal training.
   • Accessibility: The system should be accessible to users with disabilities (e.g., screen reader compatibility).
4. Security:
   • Data Protection: User data and library information should be protected from unauthorized access and breaches.
   • Authentication and Authorization: Secure login mechanisms and role-based access control to ensure users only access authorized features.
5. Maintainability:
   • Code Quality: The code should be well-documented and modular to facilitate maintenance and updates.
   • System Updates: The system should support easy updates and upgrades without significant downtime.
6. Compatibility:
   • Platform Support: The system should work across different operating systems and devices (e.g., Windows, macOS, mobile devices).
   • Browser Compatibility: The web-based interface should be compatible with major web browsers (e.g., Chrome, Firefox, Safari).
7. Backup and Recovery:
   • Regular Backups: Regular backups of the system data to prevent data loss.
   • Disaster Recovery: Procedures in place to recover data and restore operations in case of a major failure.
8. Legal and Compliance:
   • Data Privacy Regulations: Compliance with relevant data protection regulations (e.g., GDPR, CCPA) to safeguard user information.