La solicitud
“Create a domain model for a customer loyalty program with point transactions, rewards, redemptions and transaction types.”
Entonces pruebaAdd an expiry date to Reward.Add a referral point transaction type.
Qué hay en este dibujo
Lee las decisiones que hay detrás.
01
Separate PointTransaction and Redemption to track earning vs spending
02
Use enumeration for transaction types (EARN, REDEEM, EXPIRE)
03
Derived attributes for totalPoints and runningBalance
When designing a point-based loyalty or rewards system in e-commerce apps.