DDD.DomainService (vicander v0.1.1)

Marker for Domain Services — stateless, domain-logic-only modules.

Usage

defmodule MyApp.Domain.PricingService do
  use DDD.DomainService

  def apply_discount(%Order{} = order, :gold),
    do: Decimal.mult(order.total.amount, "0.85")
  def apply_discount(%Order{} = order, _tier),
    do: order.total.amount
end