loyalty-program

Loyalty Program

Loyalty program: earn points, check tier, upgrade, deliver rewards

Input: customerId, purchaseAmount, currentTier | Timeout: 60s

Pipeline

loy_earn_points
    │
loy_check_tier
    │
loy_upgrade_tier
    │
loy_reward

Workers

CheckTierWorker (loy_check_tier)

if (total >= 5000 && "Silver".equals(current)) { newTier = "Gold"; upgradeEligible = true; }
else if (total >= 2000 && "Bronze".equals(current)) { newTier = "Silver"; upgradeEligible = true; }

EarnPointsWorker (loy_earn_points)

int pointsEarned = (int) Math.round(amount * multiplier);

RewardWorker (loy_reward)

UpgradeTierWorker (loy_upgrade_tier)

Tests

8 tests cover valid inputs, boundary values, null handling, and error paths.

mvn test

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Run this example: see RUNNING.md for setup, build, and CLI instructions.