app/models/link.rb

	link.rb revision 1bdab292380fc2b5067d3a54f142b496dd86df97
class Link < ActiveRecord::Base
  include Permissionable
  include Metadatable

  KINDS = %w( alignment import_or_view hiding minimization free cofree )
  KIND_DEFAULT = 'import_or_view'

  CONS_STATUSES = %w( inconsistent none cCons mcons mono def )

  belongs_to :ontology
  belongs_to :source, class_name: 'Ontology'
  belongs_to :target, class_name: 'Ontology'
  belongs_to :logic_mapping
  belongs_to :current_version
  has_many :versions,
      :dependent  => :destroy,
      :order      => :version_number,
      :class_name => 'LinkVersion' do
        def current
          reorder('version_number DESC').first
        end
      end

  attr_accessible :iri, :source, :target, :kind, :theorem, :proven, :local,
                  :inclusion, :logic_mapping, :parent, :ontology_id, :source_id,
                  :target_id, :versions_attributes, :versions
  accepts_nested_attributes_for :versions

  def to_s
    iri
  end
end