class Person < ActiveRecord::Base
  # needs_loan   :boolean(1)
  has_many :loan_requests

  def update_needs_loan!
    needs_loan = loan_requests.any? { |l| l.active? }
    save!
  end
end

class LoanRequest < ActiveRecord::Base
  # status       :string(255)
  def active?
    status == "active"
  end
end

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