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    KelseyDH said almost 6 years ago on Associations and Mathematical Business Logic :
    I like to create a generic class for handling the class method / initialization aspect of the service, to simplify those classes.  E.g.:

    class ServiceObject

  def self.call(*args)
    new(*args).call
  end

  def call
    raise NotImplementedError
  end

  def perform
    call
  end

end

    Then

    module Car
  class CalculatePrice < ServiceObject

    
    def initialize(foo)
      @foo = foo
    end

    def call
      # do something
    end

      end
end


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