class LineStockUsage < ApplicationRecord
  belongs_to :line_stock

  acts_as_caching :fields => %w( price_u_ht price_ht )
  
  after_destroy do
    self.line_stock.save
  end
  
  def ca_price_u_ht
    self.line_stock.price_u_ht
  end
  
  def ca_price_ht
    self.price_u_ht * self.qte
  end
end