class Abonnement < ActiveRecord::Base

  has_many :payments, :as => :element
  
  def after_paid
    self.paid = true
    self.save
  end
  
  def total_price_ht
    self.price
  end
  
  def total_price_ttc
   total_price_ht + total_price_ht * tva
  end
  
  def tva
    0.2
  end
  
end