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Apr 24th, 2014
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  1. class Category < ActiveRecord::Base
  2. belongs_to :user
  3. belongs_to :group
  4.  
  5. validates :name, presence: true
  6. validates :user_id, presence: true
  7. validates_presence_of :group
  8. .
  9. .
  10. .
  11.  
  12. validates :group, :presence: true, if: "group_id.present?"
  13.  
  14. validates_presence_of :group, unless: Proc.new { |category| category.group_id.nil? }
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