22Gym is a full-stack, role-based web application designed to streamline the management of fitness classes and gym memberships. It provides a modern and intuitive interface for both members and trainers, with real-time updates, email reminders, and seamless user experiences.

Built using Spring Boot, React, PostgreSQL, and WebSockets, the platform enables scalable class management, live seat availability, and instant communication between the server and users — all while ensuring code modularity, data integrity, and responsiveness.

Whether you’re a gym trainer scheduling and managing classes, or a member looking to book a spot in your next favorite workout, 22Gym makes the process easy and engaging. It includes powerful features like:

• Class creation and booking
• Membership plan activation and cancellation
• Secure authentication for different user roles
• Instant updates through WebSocket-based communication
• Email reminders
• Responsive design tailored to enhance user experience

• Member and Trainer registration and login
• Role-based interface and functionality
• Form validation, password confirmation, and agreement checkbox on signup

• Members can view active memberships and cancel anytime
• Each member has custom membership validity (startDate / endDate)

• Trainers can:
  • Add new classes (title, time, max participants, etc.)
  • Edit or delete their existing classes
  • View participants for upcoming classes
  • Mark participants as attended or unattended for each class
• Members can:
  • View available classes
  • Book a spot if seats are available
  • View history of bookings
  • View upcoming bookings
  • Cancel a booking

• Members receive an automated email reminder when they have an upcoming class
• The email includes the class title, scheduled date and time, and a friendly message to help them prepare
• This helps reduce no-shows and keeps users engaged with their fitness goals

• Built using native WebSockets + STOMP
• Classes and bookings are updated live on all connected clients
• Members instantly see when a new class is added
• Trainers instantly see when member cancels a booking
• WebSocket broker and endpoint fully configured in Spring Boot (/ws, /topic/classes)