Requirements

Let's build a virtual event platform tailored for enterprise communities. Unlike generic webinar solutions, this platform prioritizes community interaction and engagement, offering features to foster networking and knowledge sharing. The core idea is to mimic the feeling of a real-world conference, but in a digital setting. Think about how you'd design classes and interfaces to support features such as multiple concurrent sessions, different session formats (presentations, workshops, Q&A), attendee networking (virtual booths, direct messaging), and sponsor visibility. The system must support a wide array of events, each with its own custom schedule, speakers, and attendees. This virtual event platform must be highly extensible, allowing for future integration of new features like gamification, live translation, and enhanced analytics. Special attention should be given to concurrency handling, as many attendees may interact with the platform simultaneously. The application should be modular, allowing for easy addition, modification, and removal of features without affecting the stability of the entire system. # Requirements ## Functional Requirements 1. **Event Creation and Management:** * Allow administrators to create and manage events. Events have a name, description, start and end dates/times, and a maximum capacity. * Support defining different event types (e.g., conference, workshop, webinar). * Support recurring events (e.g., weekly meetups). 2. **Session Scheduling and Management:** * Allow event organizers to define sessions within an event. * Each session has a title, description, start and end times, a speaker, and a capacity. * Support different session formats (e.g., presentation, workshop, panel discussion, Q&A). Each format should have specific attributes and capabilities. * Support concurrent sessions (multiple sessions happening at the same time). * Support assigning a moderator to each session. * Allow sessions to have pre-recorded videos. 3. **Attendee Registration and Management:** * Allow users to register for events and individual sessions. * Implement a waiting list for sessions that are full. * Support different registration tiers (e.g., free, premium). * Support custom registration fields (e.g., job title, company). * Handle cancellation and refunds (if applicable). * Provide functionality for sending notifications to attendees (e.g., session reminders, event updates). 4. **Virtual Venue and Interaction:** * Provide a virtual venue where attendees can access sessions. * Implement a live video streaming component for sessions. * Support real-time chat during sessions. * Provide Q&A functionality where attendees can submit questions to the speaker. * Implement virtual networking features such as virtual booths, direct messaging between attendees, and group discussions. * Support screen sharing for presenters. * Support virtual hand raising for asking questions. * Allow displaying presentations and documents within the virtual venue. 5. **Speaker Management:** * Allow administrators to add and manage speakers. * Each speaker has a profile with information such as name, bio, and social media links. * Speakers can manage their sessions and materials. * Provide tools for speakers to interact with attendees during sessions. 6. **Sponsor Management:** * Allow administrators to add and manage sponsors. * Sponsors can have virtual booths to showcase their products and services. * Sponsors can interact with attendees through chat or video calls. * Support displaying sponsor logos and branding throughout the platform. 7. **Reporting and Analytics:** * Provide reports on event attendance, session participation, and attendee engagement. * Track key metrics such as number of attendees, session views, and chat messages. * Generate reports on sponsor booth visits and interactions. * Provide data export functionality. ## Non-Functional Requirements 1. **Thread Safety:** The platform must be thread-safe to handle concurrent access from multiple attendees. Concurrent access to shared resources like session attendance counts, waiting lists, and chat logs must be properly synchronized using appropriate locking mechanisms or concurrent data structures. 2. **Extensibility:** The platform should be designed to be easily extensible to support new features and functionalities in the future. Use design patterns (e.g., Strategy, Factory) to allow for easy addition of new session formats, networking features, and reporting options without modifying existing code. 3. **Modularity:** The platform should be modular, with well-defined interfaces between different components. This will allow for easy replacement or modification of individual components without affecting the rest of the system. Each feature (chat, Q&A, virtual booths) should be encapsulated in its own module. 4. **Testability:** The code should be written in a way that makes it easy to test. Use dependency injection to allow for easy mocking of dependencies during unit testing. Aim for high code coverage with both unit and integration tests. 5. **Maintainability:** The code should be well-documented and easy to understand. Use meaningful variable and method names, and follow consistent coding conventions. Adhere to SOLID principles to ensure that the code is maintainable and easy to refactor. 6. **Performance:** The platform should be performant and responsive, even with a large number of concurrent users. Optimize database queries, caching frequently accessed data, and using asynchronous processing for long-running tasks. 7. **Scalability:** While not a system design concern, consider that class design should facilitate future scalability efforts. Think about how components could be independently scaled if needed (e.g., decoupling chat service for scaling). ## Core Entities 1. **Event:** Represents a virtual event. Key attributes include name, description, start and end times, and a list of sessions. 2. **Session:** Represents a session within an event. Key attributes include title, description, start and end times, a speaker, a format (e.g., presentation, workshop), and a maximum capacity. 3. **Speaker:** Represents a speaker at an event. Key attributes include name, bio, and contact information. 4. **Attendee:** Represents an attendee at an event. Key attributes include name, email, and registration information. 5. **Sponsor:** Represents a sponsor of an event. Key attributes include name, logo, and booth information. 6. **Registration:** Represents a user's registration for an event. Tracks registration date, tier, and any custom registration fields. 7. **Venue:** Represents the virtual venue. Handles navigation between sessions, virtual booths, and networking areas. 8. **ChatService:** Handles real-time chat functionality. 9. **QuestionService:** Handles Q&A functionality.

Design Virtual Event Platform for Communities / Enterprise.

Requirements

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