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rithum

Apps & Automation
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Rithum B2B patterns and distribution API

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How to use this skill

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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/rithum/SKILL.md

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Rithum Best Practices

Leverage Data Model Guarantees

Trust guaranteed non-null fields:

// DO: Trust the data model guarantees
order.setTotalPrice(PriceUtils.centsToDollars(transactableBag.getTotal()));

// DON'T: Add unnecessary null checks
if (Objects.nonNull(transactableBag.getTotal())) {
  order.setTotalPrice(PriceUtils.centsToDollars(transactableBag.getTotal()));
}

Clean Separation of Concerns

  • Keep main composer methods focused on orchestration
  • Extract complex logic into focused helper methods
  • Use static utility classes for reusable functionality

Common Compilation Issues

OfferData.Shipping.Price Structure

// CORRECT
OfferData.Shipping.Price price = new OfferData.Shipping.Price();

// WRONG
OfferData.Shipping.Method.Price price = new OfferData.Shipping.Method.Price();

MerchantConfiguration Method Names

// CORRECT
config.setRithumConfig(rithumConfig);

// WRONG
config.setRithum(rithumConfig);

Type Consistency

// CORRECT - merchantId is Integer
assertEquals(Integer.valueOf(12345), result.getMerchantId());

// WRONG
assertEquals(Long.valueOf(12345L), result.getMerchantId());

Testing Patterns

Static Method Mocking

@Test
public void testOrderSyncWithFallbackShipping() {
  try (MockedStatic<RithumMerchantConfig> mockedRithumConfig = Mockito.mockStatic(RithumMerchantConfig.class)) {
    mockedRithumConfig.when(() -> RithumMerchantConfig.shouldUseFallbackShippingMethods(config)).thenReturn(true);

    List<OfferData.Shipping> result = rithumOrderSyncService.getShippingEstimates(request);

    assertNotNull(result);
    assertTrue(CollectionUtils.isNotEmpty(result));
  }
}

Test Data Creation

private DecryptedMerchantCredentials createDecryptedMerchantCredentials() {
  DecryptedMerchantCredentials dmc = new DecryptedMerchantCredentials();
  dmc.setMerchantId(12345);  // Use Integer, not Long
  dmc.setPlatform(Merchant.Platform.RITHUM);
  return dmc;
}

Comprehensive Testing Strategy

  • Test successful composition with complete data
  • Test edge cases: null addresses, empty collections
  • Test status mapping for all enum values
  • Test fallback shipping configuration
  • Verify property mapping accuracy
  • Use realistic test data