A solicitação
“Create a domain model for a customer loyalty program with point transactions, rewards, redemptions and transaction types.”
Depois, tenteAdd an expiry date to Reward.Add a referral point transaction type.
O que há neste desenho
Entenda as decisões por trás dele.
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.