class LabelProduit < ActiveRecord::Base belongs_to :label_category belongs_to :label_marque has_one :label_famille, :through => :label_category has_many :label_distributeurs, :through => :label_marque validates :name, :presence => true def logo if self.couleur_logo == "orange" if self.vegan "/label/orange-v.png" else "/label/orange.png" end elsif self.couleur_logo == "bleu" if self.vegan "/label/bleu-v.png" else "/label/bleu.png" end end end end