Module: RdfHelper

Defined in:
app/helpers/rdf_helper.rb

Overview

Copyright 2011 innoQ Deutschland GmbH

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Instance Method Summary collapse

Instance Method Details

#render_concept(document, concept) ⇒ Object 



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# File 'app/helpers/rdf_helper.rb', line 19

def render_concept(document, concept)

  # You can not eager load polymorphic associations. That's why we're loading
  # the collections _one_ time and remember them for further _render_concept_
  # calls in the future.
  @rdf_helper_cached_collections ||= Iqvoc::Collection.base_class.select("id, origin").all.each_with_object({}) do |c, hash|
    hash[c.id] = c.origin
  end

  document << concept.build_rdf_subject(document, nil) do |c|

    concept.collection_members.each do |collection_member|
      if @rdf_helper_cached_collections[collection_member.collection_id]
        c.Schema::memberOf(IqRdf::Coll::build_uri(@rdf_helper_cached_collections[collection_member.collection_id]))
      end
    end

    c.Schema::expires(concept.expired_at.to_s) if concept.expired_at
    c.Owl::deprecated(true) if concept.expired_at and concept.expired_at <= Date.new

    c.Skos::topConceptOf IqRdf.build_uri(Iqvoc::Concept.root_class.instance.origin) if concept.top_term?

    concept.labelings.each do |labeling|
      labeling.build_rdf(document, c)
    end

    concept.relations.each do |relation|
      relation.build_rdf(document, c)
    end

    concept.notes.each do |note|
      note.build_rdf(document, c)
    end

    concept.matches.each do |match|
      match.build_rdf(document, c)
    end

    Iqvoc::Concept.additional_association_class_names.keys.each do |class_name|
      concept.send(class_name.to_relation_name).each do |additional_object|
        additional_object.build_rdf(document, c)
      end
    end
  end
end