Class: Labeling::SKOS::Base

Inherits:
Base
  • Object
show all
Defined in:
app/models/labeling/skos/base.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.

Direct Known Subclasses

AltLabel, HiddenLabel, PrefLabel

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.build_from_rdf(subject, predicate, object) ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 84

def self.build_from_rdf(subject, predicate, object)
  raise "Labeling::SKOS::Base#build_from_rdf: Subject (#{subject}) must be a Concept." unless subject.is_a?(Concept::Base)
  raise "Labeling::SKOS::Base#build_from_rdf: Object (#{object}) must be a string literal" unless object =~ /^"(.+)"(@(.+))?$/

  lang = $3
  value = JSON.parse(%Q{["#{$1}"]})[0].gsub("\\n", "\n") # Trick to decode \uHHHHH chars

  subject.send(self.name.to_relation_name) << self.new(:target => self.label_class.new(:value => value, :language => lang))
end

.by_label_with_language(label, language) ⇒ Object

********** Scopes



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# File 'app/models/labeling/skos/base.rb', line 27

def self.by_label_with_language(label, language)
  includes(:target).merge(self.label_class.where(:value => label, :language => language))
end

.edit_partial_name(obj) ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 41

def self.edit_partial_name(obj)
  "partials/labeling/skos/edit_base"
end

.label_class ⇒ Object

********** Methods



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# File 'app/models/labeling/skos/base.rb', line 33

def self.label_class
  Iqvoc::Label.base_class
end

.partial_name(obj) ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 37

def self.partial_name(obj)
  "partials/labeling/skos/base"
end

.search_result_partial_name ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 80

def self.search_result_partial_name
  'partials/labeling/skos/search_result'
end

.single_query(params = {}) ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 45

def self.single_query(params = {})
  query_str = build_query_string(params)

  scope = includes(:target).order("LOWER(#{Label::Base.table_name}.value)")

  if params[:query].present?
    scope = scope.merge(Label::Base.by_query_value(query_str).by_language(params[:languages].to_a).published)
  else
    scope = scope.merge(Label::Base.by_language(params[:languages].to_a).published)
  end

  if params[:collection_origin].present?
    collection = Collection::Unordered.where(:origin => params[:collection_origin]).last
    if collection
      scope = scope.includes(:owner => :collection_members)
      scope = scope.where("#{Collection::Member::Base.table_name}.collection_id" => collection)
    else
      raise "Collection with Origin #{params[:collection_origin]} not found!"
    end
  end
  scope = scope.includes(:owner)

  scope = case params[:for]
  when "concept"
    scope.where("concepts.type" => Iqvoc::Concept.base_class_name).merge(Concept::Base.published)
  when "collection"
    scope.where("concepts.type" => Iqvoc::Collection.base_class_name)
  else
    # no additional conditions
    scope
  end

  scope
end

Instance Method Details

#build_rdf(document, subject) ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 94

def build_rdf(document, subject)
  subject.send(self.rdf_namespace.camelcase).send(self.rdf_predicate, target.to_s, :lang => target.language)
end

#build_search_result_rdf(document, result) ⇒ Object 



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# File 'app/models/labeling/skos/base.rb', line 98

def build_search_result_rdf(document, result)
  result.Sdc::link(IqRdf.build_uri(owner.origin))
  build_rdf(document, result)
end