ChatHub

ChatHub is a real-time chatroom web application that allows users to connect, interact, and communicate in dedicated chatrooms. The application ensures seamless messaging through WebSockets and SignalR, while storing all messages and user data in a robust SQL Server database. It features dynamic updates, persistent chat history, and real-time notifications for user activities.

Features

• Real-Time Communication: Leveraged WebSockets and SignalR to enable instant messaging across chatrooms.

• Persistent Chat History: Displays previous messages for each room, ensuring continuity for new and returning users.

• User Management: Enforces unique usernames with specific validation rules (e.g., no numbers or symbols, max length of 12).

• Database Integration: Tracks user connection/disconnection times and stores messages in an MSSQL database.

• Dynamic Notifications: Provides live updates to all users when someone joins or leaves a room.

• Message Validation: Limits message length to 200 characters and supports text, links, and images.

• Unit Testing: Includes unit tests to ensure the reliability of core functionalities.

• Responsive UI: A modern, user-friendly interface built with Bootstrap, ensuring usability across devices.

Languages & Technologies

C#, JavaScript, ASP.NET Core, SQL Server with Entity Framework, SignalR, Bootstrap, xUnit