class LineItem < ActiveRecord::Base
  belongs_to :quote
  belongs_to :part

  def calculate_price_from_gmpercent
    update_attribute(:price, self.part.cost/(1-self.gmpercent))
  end

  def set_gmpercent(gmtarget)
    update_attribute(:gmpercent, [gmtarget, 1-(self.part.cost/self.part.listprice)].min)
  end

end