Functional requirements of Car Rental System with non-functional

Functional Requirements

These are the core features and functions that the system should support:

1. User Management
   • Registration: Users can create an account.
   • Login/Logout: Users can log in and out of the system.
   • Profile Management: Users can view and update their personal information.
   Advertisement
   • Password Management: Users can reset or change their password.
2. Car Inventory Management
   • Car Listing: Display available cars with details such as make, model, year, and price.
   • Car Search: Users can search for cars based on various filters (e.g., location, type, price range).
   • Car Availability: Show real-time availability of cars.
3. Reservation System
   • Booking: Users can book cars for a specified period.
   • Booking Confirmation: Generate and send confirmation details to users.
   • Cancellation: Allow users to cancel their bookings with appropriate policies.
   Advertisement
4. Payment Processing
   • Payment Methods: Support various payment methods (credit/debit cards, online payment gateways).
   • Billing: Generate and send invoices/receipts to users.
   • Refunds: Process refunds for cancellations if applicable.
5. Pricing Management
   • Dynamic Pricing: Adjust pricing based on demand, duration, car type, etc.
   • Discounts and Offers: Apply promotional codes, discounts, and special offers.
6. Customer Support
   • Contact: Provide contact options for support (e.g., phone, email, chat).
   • Support Tickets: Allow users to submit and track support tickets or inquiries.
7. Reporting and Analytics
   • Usage Reports: Generate reports on car usage, bookings, and revenue.
   • User Analytics: Track user activity and preferences.
8. Admin Management
   • User Roles and Permissions: Define different roles (e.g., admin, manager, user) with specific permissions.
   • Car Management: Admins can add, update, or remove car listings.
   • Report Generation: Generate operational and financial reports.
9. Notifications
   • Booking Reminders: Send reminders for upcoming bookings.
   • Alerts: Notify users of any changes or issues related to their bookings.

Non-Functional Requirements

These define the quality attributes of the system and include:

1. Performance
   • Response Time: The system should respond to user requests within a specified time (e.g., under 2 seconds for searches).
   • Scalability: The system should handle increasing loads, such as more users or higher traffic, without degradation.
2. Reliability
   • Uptime: The system should be available and operational a high percentage of the time (e.g., 99.9% uptime).
   • Error Handling: Gracefully handle errors and provide informative messages to users.
   Advertisement
3. Security
   • Data Protection: Implement measures to protect user data and transaction information.
   • Authentication and Authorization: Ensure secure login processes and proper access control.
   • Compliance: Adhere to relevant data protection regulations (e.g., GDPR, CCPA).
4. Usability
   • User Interface: The system should have an intuitive and user-friendly interface.
   • Accessibility: Ensure that the system is accessible to users with disabilities (e.g., compliance with WCAG standards).
5. Maintainability
   • Code Quality: Write clean, modular code that is easy to maintain and update.
   • Documentation: Provide comprehensive documentation for users and developers.
6. Availability
   • Backup and Recovery: Implement regular data backups and recovery procedures.
   • Failover: Ensure the system can switch to a backup in case of hardware or software failures.
7. Portability
   • Cross-Platform Compatibility: Ensure the system works across different devices and operating systems (e.g., mobile, desktop).
8. Supportability
   • Customer Support: Provide mechanisms for users to get help or support.
   • Error Reporting: Include functionality for users to report issues or bugs.