models/ontology/symbols.rb

	symbols.rb revision 7f2dad9b7bcc8a9c37626bab9d5f9c3dfa0bccbe
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainenclass Ontology
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen  module Symbols
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen    extend ActiveSupport::Concern
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen    included do
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen      has_many :symbols,
1ed1ad066e4aa313e33dafedb892fb84946cacebTimo Sirainen        autosave: false,
146240408e677e99e579d1feed92689585cc25d4Timo Sirainen        class_name: 'OntologyMember::Symbol',
b1dd6be436e887774b94965ebe9af6d04179c227Timo Sirainen        extend:   Methods
9844b5359f5cab77e4c31a7ac9e4a60a0073929eTimo Sirainen    end
4073f0dbf3277f981a8fcee3b89ea15aaf380a7fTimo Sirainen
b200bc3875fa06d42c8619865cc306c3297fcaccAki Tuomi    module Methods
b200bc3875fa06d42c8619865cc306c3297fcaccAki Tuomi      def update_or_create_from_hash(hash, timestamp = Time.now)
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen        raise ArgumentError, 'No hash given.' unless hash.is_a? Hash
b200bc3875fa06d42c8619865cc306c3297fcaccAki Tuomi
b200bc3875fa06d42c8619865cc306c3297fcaccAki Tuomi        e = where(text: hash['text']).first_or_initialize
0aac625db5e6e179c8ee7420a12ab300d6b178edTimo Sirainen
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen        e.ontology   = @association.owner
e5224c0589916fb22f95f959326cf4b6221715b0Timo Sirainen        e.range      = hash['range']
ca44a6ba994aaa3231a20ef6e046dfd97a8dcd2dTimo Sirainen        e.updated_at = timestamp
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen        unless hash['name'] || hash['kind']
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen          Rails.logger.warn(
ca44a6ba994aaa3231a20ef6e046dfd97a8dcd2dTimo Sirainen            "Using work-around to determine symbol name and kind: #{e.inspect}")
419cf63077e755935ce105747d6ebc67b7d38a7fTimo Sirainen
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen          if e2 = Symbol.where(text: hash['text']).first
b200bc3875fa06d42c8619865cc306c3297fcaccAki Tuomi            e.name = e2.name
ca44a6ba994aaa3231a20ef6e046dfd97a8dcd2dTimo Sirainen            e.kind = e2.kind
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen          else
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen            e.name = e.text
1ed1ad066e4aa313e33dafedb892fb84946cacebTimo Sirainen            e.kind = 'Undefined'
1ed1ad066e4aa313e33dafedb892fb84946cacebTimo Sirainen          end
146240408e677e99e579d1feed92689585cc25d4Timo Sirainen        else
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen          e.name = hash['name']
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen          e.kind = hash['kind']
f8ead0942a9b7c8fcf91414ed1b534d5807ca555Timo Sirainen        end
1ed1ad066e4aa313e33dafedb892fb84946cacebTimo Sirainen
1ed1ad066e4aa313e33dafedb892fb84946cacebTimo Sirainen        e.iri = hash['iri']
cbe49ba128638e63395aedaa2144087c89835633Timo Sirainen        e.label = hash['label']
cbe49ba128638e63395aedaa2144087c89835633Timo Sirainen
        sep = '//'
        locid_portion =
          if e.name.include?('://')
            if e.label
              e.label
            else
              portion = e.name.split('#', 2).last
              portion.end_with?('>') ? portion[0..-2] : portion
            end
          else
            e.name
          end
        e.locid = "#{e.ontology.locid}#{sep}#{locid_portion}"

        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 delete_edges
      %i[parent_id child_id].each do |key|
        EEdge.where(key => symbols.where(kind: 'Class')).delete_all
      end
    end

    def create_symbol_tree
      raise StandardError.new('Ontology is not OWL') unless owl?

      # Delete previous set of categories
      delete_edges
      subclasses =
        sentences.where("text LIKE '%SubClassOf%'").select do |sentence|
          sentence.text.split(' ').size == 4
        end
      transaction requires_new: true do
        subclasses.each do |s|
          c1, c2 = s.hierarchical_class_names

          unless c1 == 'Thing' || c2 == 'Thing'
            child_id = symbols.where('name = ? OR iri = ?', c1, c1).first.id
            parent_id = symbols.where('name = ? OR iri = ?', c2, c2).first.id

            EEdge.create! child_id: child_id, parent_id: parent_id
            if EEdge.where(child_id: child_id, parent_id: parent_id).first.nil?
              raise StandardError.new('Circle detected')
            end
          end
        end
      end
    end
  end
end