models/ontology/entities.rb

	entities.rb revision 7053f64d201844e5a0529046e790fc6855c3e268
module Ontology::Entities
  extend ActiveSupport::Concern

  included do
    has_many :entities, :extend => Methods
  end

  module Methods
    def update_or_create_from_hash(hash, timestamp = Time.now)
      raise ArgumentError, 'No hash given.' unless hash.is_a? Hash

      e = find_or_initialize_by_text(hash['text'])

      e.ontology = @association.owner
      e.name       = hash['name'] || hash['text']
      e.range      = hash['range']
      e.kind       = hash['kind'] || 'Undefined'
      e.updated_at = timestamp

      if e.range.to_s.include?(":")
        # remove path from range
        # Examples/Reichel:28.9 -> 28.9
        e.range = e.range.split(":",2).last
      end

      e.save!
    end
  end

  def create_entity_tree
    if !self.is?('OWL2')
      raise Exception.new('Error: No OWL2')
    end
    # Delete previous set of categories
    %i[parent_id child_id].each do |key|
      EEdge.where(key => self.entities.where(kind:'Class')).delete_all
    end
    classes = self.entities.where(kind:'Class')
    subclasses = self.sentences.where("text LIKE '%SubClassOf%'")


    subclasses.each do |s|
      c1,c2 = s.extract_class_names
        EEdge.create!(:child_id => Entity.where(display_name: c1, ontology_id: s.ontology.id).first.id, :parent_id => Entity.where(display_name: c2, ontology_id: s.ontology.id).first.id)
    end
  end
end