Software Design

Gym Architecture: Plans, Scans & Bookings

UML Class Diagrams · made in Skemio

UML class diagram of a Gym Membership platform illustrating Member, MembershipPlan, CheckInRecord, ClassBooking, and GymClass.
UML class diagram of a Gym Membership platform illustrating Member, MembershipPlan, CheckInRecord, ClassBooking, and GymClass.

What it shows

  • Separates member identity from membership plans for zero-downtime upgrades.
  • Check-in scans decouple access validation from asynchronous billing cycles.
  • Class bookings enforce strict room capacity and trainer schedules.

The takeaway

Decouple access verification from billing tiers to keep hardware check-ins instant and resilient.

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