Functional requirements of Real Estate Listing System with non-functional

Functional Requirements

1. User Management
   • Registration and Authentication: Allow users to create accounts, log in, and manage their profiles. Support different user roles such as buyers, sellers, agents, and administrators.
   • Profile Management: Users can update personal details, contact information, and preferences.
   • Role-Based Access Control: Different roles have specific permissions, such as listing properties, managing inquiries, or viewing reports.
2. Property Listing Management
   • Property Submission: Allow sellers and agents to submit property listings with details such as address, price, features, photos, and videos.
   • Listing Approval: Implement a workflow for reviewing and approving property listings before they go live.
   • Edit and Delete Listings: Users can update or remove their property listings as needed.
3. Search and Filtering
   • Search Functionality: Enable users to search for properties based on various criteria such as location, price range, property type, number of bedrooms, etc.
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   • Advanced Filtering: Provide advanced filtering options, including amenities, square footage, and listing status (e.g., for sale, for rent).
4. Property Details
   • Detailed View: Display detailed property information, including descriptions, photos, virtual tours, and maps.
   • Contact Information: Provide contact details for the listing agent or owner for inquiries.
5. Inquiry and Communication
   • Contact Forms: Allow users to send inquiries or express interest in properties directly through the system.
   • Messaging System: Enable communication between buyers/renters and agents or sellers via an internal messaging system.
6. Appointment Scheduling
   • Viewing Appointments: Allow users to schedule property viewings with agents or sellers.
   • Calendar Integration: Integrate with calendars to manage and confirm viewing appointments.
7. User Reviews and Ratings
   • Reviews: Allow users to leave reviews and ratings for agents and properties.
   • Ratings: Display average ratings and reviews to help users make informed decisions.
8. Reporting and Analytics
   • Listing Reports: Generate reports on property listing metrics such as views, inquiries, and engagement.
   • User Analytics: Track user activity, such as searches and interactions, to gain insights into system usage.
9. Integration
   • MLS Integration: Integrate with Multiple Listing Services (MLS) to import and synchronize property listings.
   • Social Media Integration: Share property listings on social media platforms.
   • CRM Integration: Sync with Customer Relationship Management (CRM) systems for managing leads and client interactions.
10. Compliance and Security
    • Data Protection: Implement measures to protect sensitive user and property data (e.g., encryption).
    • Privacy Compliance: Ensure compliance with data protection regulations (e.g., GDPR, CCPA).

Non-Functional Requirements

1. Performance
   • Response Time: Ensure fast response times for searches, property listings, and user interactions (e.g., under 2 seconds for searches).
   • Scalability: The system should handle increasing numbers of users, properties, and transactions without performance issues.
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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 to manage system failures gracefully and ensure data integrity.
3. Security
   • Data Protection: Secure user data and property information through encryption and secure storage.
   • Authentication and Authorization: Use secure authentication methods and enforce role-based access control.
   • Compliance: Adhere to relevant data protection and privacy regulations.
4. Usability
   • User Interface: Design an intuitive, user-friendly interface for property search, listing management, and communication.
   • 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 maintenance and updates.
   • Documentation: Provide comprehensive user and system documentation, including user guides and technical manuals.
6. Availability
   • Backup and Recovery: Implement regular data backups and establish recovery procedures to prevent data loss.
   • Failover: Ensure the system can switch to backup systems or servers in case of primary system failure.
7. Portability
   • Cross-Platform Compatibility: Ensure the system works across various devices and operating systems, including desktops, tablets, and mobile devices.
8. Supportability
   • Technical Support: Provide mechanisms for users to obtain support and resolve issues.
   • Error Reporting: Include functionality for users to report issues or bugs and track their resolution.