cirandas.net

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class ArticleResource < ActiveRecord::Base

  attr_accessible *self.column_names
  attr_accessible :article, :resource, :product_category, :person

  belongs_to :article

  belongs_to :resource, polymorphic: true
  belongs_to :product_category, class_name: 'ProductCategory', foreign_key: 'resource_id',
    conditions: ['resource_type = ?', 'ProductCategory']

  belongs_to :person, class_name: 'Person', foreign_key: 'resource_id',
    conditions: ['resource_type = ?', 'Person']

end