Functional requirements of Online Library System with non-functional

Functional Requirements

1. Catalog Management
   • Resource Upload: Allow librarians or administrators to upload digital resources such as e-books, audiobooks, and academic papers, including metadata (e.g., title, author, ISBN).
   • Metadata Management: Manage metadata associated with resources, including tags, categories, and descriptions.
   • Resource Categorization: Organize resources into categories or collections for easy browsing (e.g., fiction, non-fiction, academic).
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2. Search and Discovery
   • Search Functionality: Provide a search feature to find resources by keywords, author names, titles, subjects, or ISBN numbers.
   • Advanced Filtering: Allow users to filter search results based on criteria such as genre, publication date, resource type, or availability.
   • Recommendations: Offer personalized recommendations based on user preferences and browsing history.
3. User Accounts and Profiles
   • User Registration: Allow users to create and manage accounts, including personal information, reading preferences, and borrowing history.
   • Librarian Profiles: Provide profiles for librarians and administrators with access to management tools and resource oversight.
   • User Authentication: Implement secure authentication methods for user logins and access control.
4. Borrowing and Lending
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   • Borrowing System: Allow users to borrow digital resources, including managing loan periods and return dates.
   • Renewal Requests: Enable users to request renewals for borrowed resources, subject to availability and library policies.
   • Overdue Notifications: Send notifications to users about overdue resources and associated fines, if applicable.
5. Resource Access and Usage
   • Digital Reading: Provide a digital reading interface for e-books and audiobooks, including features such as bookmarking, highlighting, and note-taking.
   • Download Options: Allow users to download resources for offline access, if permitted by licensing agreements.
   • Online Access: Ensure seamless online access to resources with appropriate DRM (Digital Rights Management) protections.
6. Reservation and Holds
   • Resource Reservation: Allow users to reserve resources that are currently checked out or on hold.
   • Notification of Availability: Notify users when reserved resources become available for borrowing.
7. Account Management
   • Borrowing History: Provide users with access to their borrowing history, including current loans and past transactions.
   • Account Settings: Allow users to update account details, including personal information and communication preferences.
8. Admin and Librarian Tools
   • Dashboard: Provide an admin dashboard for managing resources, user accounts, and borrowing transactions.
   • Content Moderation: Implement tools for moderating user-generated content and managing resource submissions.
   • Reports and Analytics: Generate reports and analytics on resource usage, user activity, and system performance.
9. Customer Support and Interaction
   • Help Desk: Offer customer support through help desks or ticketing systems for resolving user issues and inquiries.
   • FAQs and Help Sections: Include FAQs and help sections to assist users with common issues and system navigation.
10. Integration and Data Export
    • Integration with External Services: Integrate with external services such as bibliographic databases or digital rights management systems.
    • Data Export: Allow administrators to export data related to transactions, resource usage, and user activity for analysis and reporting.

Non-Functional Requirements

1. Performance
   • Response Time: Ensure fast response times for searches, resource access, and user interactions (e.g., under 2 seconds for most operations).
   • Scalability: The system should handle increasing numbers of users, resources, and transactions without performance degradation.
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2. Reliability
   • Uptime: Ensure high system availability with minimal downtime (e.g., 99.9% uptime).
   • Error Handling: Implement robust error handling and recovery mechanisms to manage system failures and maintain data integrity.
3. Security
   • Data Protection: Protect sensitive user data, including personal information and borrowing history, through encryption and secure storage.
   • Authentication and Authorization: Use secure authentication methods and role-based access control to manage user and admin access.
   • Content Protection: Implement DRM and other measures to protect digital resources from unauthorized access and distribution.
4. Usability
   • User Interface: Design an intuitive and user-friendly interface for browsing, borrowing, and managing digital resources.
   • Accessibility: Ensure the system is accessible to users with disabilities, following accessibility standards (e.g., WCAG).
5. Maintainability
   • Code Quality: Write high-quality, well-documented code to facilitate system maintenance and updates.
   • Documentation: Provide comprehensive documentation for users and administrators, including user guides, technical manuals, and troubleshooting guides.
6. Availability
   • Backup and Recovery: Implement regular data backups and establish procedures for data recovery in case of system failures or data loss.
   • Failover: Ensure the system has failover capabilities to switch to backup systems or servers if necessary.
7. Portability
   • Cross-Platform Compatibility: Ensure the system is compatible with various devices and operating systems used by users, including desktops, tablets, and mobile devices.
8. Supportability
   • Technical Support: Provide mechanisms for users to obtain support and resolve issues, including help desks, online resources, and customer service.
   • Error Reporting: Include functionality for users to report issues or bugs and track their resolution.