Commit to one behavior-rich object
Commit to moving one domain rule from a service into the object that owns the data.
Move one domain rule from a service/controller/helper into the domain object that owns the data needed to enforce it. object-oriented-programming behavior-rich domain object refactor I will move [rule name] from [current class] into [domain object].[method], keep [orchestration/persistence] outside, and add tests for [case 1], [case 2], and [case 3]. A getter-heavy Subscription, Invoice, Order, or Account class where a service reads three of its fields to make a domain decision. A PR that adds another helper method to BillingService, CheckoutService, or UserService for a rule that belongs near existing domain state. A bug fix where the same validation or eligibility…
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