Module: EnjuNii::CiNiiBook::ClassMethods

Defined in:
lib/enju_nii/cinii_book.rb

Instance Method Summary collapse

Instance Method Details

#import_from_cinii_books(options) ⇒ Object

Raises:



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# File 'lib/enju_nii/cinii_book.rb', line 8

def import_from_cinii_books(options)
  # if options[:isbn]
  lisbn = Lisbn.new(options[:isbn])
  raise EnjuNii::InvalidIsbn unless lisbn.valid?
  # end

  manifestation = Manifestation.find_by_isbn(lisbn.isbn)
  return manifestation if manifestation.present?

  doc = return_rdf(lisbn.isbn)
  raise EnjuNii::RecordNotFound unless doc
  # raise EnjuNii::RecordNotFound if doc.at('//openSearch:totalResults').content.to_i == 0
  import_record_from_cinii_books(doc)
end

#import_record_from_cinii_books(doc) ⇒ Object 



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# File 'lib/enju_nii/cinii_book.rb', line 23

def import_record_from_cinii_books(doc)
  # http://ci.nii.ac.jp/info/ja/api/api_outline.html#cib_od
  # return nil

  ncid = doc.at('//cinii:ncid').try(:content)
  identifier_type = IdentifierType.where(name: 'ncid').first
  identifier_type = IdentifierType.create!(name: 'ncid') unless identifier_type
  identifier = Identifier.where(body: ncid, identifier_type_id: identifier_type.id).first
  return identifier.manifestation if identifier

  creators = get_cinii_creator(doc)
  publishers = get_cinii_publisher(doc)

  # title
  title = get_cinii_title(doc)
  manifestation = Manifestation.new(title)

  # date of publication
  pub_date = doc.at('//dc:date').try(:content)
  if pub_date
    date = pub_date.split('-')
    if date[0] and date[1]
      date = sprintf("%04d-%02d", date[0], date[1])
    else
      date = pub_date
    end
  end
  manifestation.pub_date = pub_date

  manifestation.statement_of_responsibility = doc.at('//dc:creator').try(:content)
  manifestation.extent = doc.at('//dcterms:extent').try(:content)
  manifestation.dimensions = doc.at('//cinii:size').try(:content)

  language = Language.where(iso_639_3: get_cinii_language(doc)).first
  if language
    manifestation.language_id = language.id
  else
    manifestation.language_id = 1
  end

  urn = doc.at("//dcterms:hasPart[@rdf:resource]")
  if urn
    urn = urn.attributes["resource"].value
    if urn =~ /^urn:isbn/
      isbn = Lisbn.new(urn.gsub(/^urn:isbn:/, "")).isbn
    end
  end

  identifier = {}
  if ncid
    identifier[:ncid] = Identifier.new(body: ncid)
    identifier_type_ncid = IdentifierType.where(name: 'ncid').first
    identifier_type_ncid = IdentifierType.where(name: 'ncid').create! unless identifier_type_ncid
    identifier[:ncid].identifier_type = identifier_type_ncid
  end
  if isbn
    identifier[:isbn] = Identifier.new(body: isbn)
    identifier_type_isbn = IdentifierType.where(name: 'isbn').first
    identifier_type_isbn = IdentifierType.where(name: 'isbn').create! unless identifier_type_isbn
    identifier[:isbn].identifier_type = identifier_type_isbn
  end
  identifier.each do |k, v|
    manifestation.identifiers << v
  end

  manifestation.carrier_type = CarrierType.where(name: 'volume').first
  manifestation.manifestation_content_type = ContentType.where(name: 'text').first

  if manifestation.valid?
    Agent.transaction do
      manifestation.save!
      create_cinii_series_statements(doc, manifestation)
      publisher_patrons = Agent.import_agents(publishers)
      creator_patrons = Agent.import_agents(creators)
      manifestation.publishers = publisher_patrons
      manifestation.creators = creator_patrons
      if defined?(EnjuSubject)
        subjects = get_cinii_subjects(doc)
        subject_heading_type = SubjectHeadingType.where(name: 'bsh').first
        subject_heading_type = SubjectHeadingType.create!(name: 'bsh') unless subject_heading_type
        subjects.each do |term|
          subject = Subject.where(term: term[:term]).first
          unless subject
            subject = Subject.new(term)
            subject.subject_heading_type = subject_heading_type
            subject_type = SubjectType.where(name: 'concept').first
            subject_type = SubjectType.create(name: 'concept') unless subject_type
            subject.subject_type = subject_type
          end
          manifestation.subjects << subject
        end
      end
    end
  end

  manifestation
end

#return_rdf(isbn) ⇒ Object 



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# File 'lib/enju_nii/cinii_book.rb', line 139

def return_rdf(isbn)
  rss = self.search_cinii_by_isbn(isbn)
  if rss.channel.totalResults.to_i == 0
    rss = self.search_cinii_by_isbn(cinii_normalize_isbn(isbn))
  end
  if rss.items.first
    conn = Faraday.new("#{rss.items.first.link}.rdf") do |faraday|
      faraday.use FaradayMiddleware::FollowRedirects
      faraday.adapter :net_http
    end
    conn.get.body
  end
end

#search_cinii_book(query, options = {}) ⇒ Object 



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# File 'lib/enju_nii/cinii_book.rb', line 121

def search_cinii_book(query, options = {})
  options = {p: 1, count: 10, raw: false}.merge(options)
  doc = nil
  results = {}
  startrecord = options[:idx].to_i
  if startrecord == 0
    startrecord = 1
  end
  url = "https://ci.nii.ac.jp/books/opensearch/search?q=#{URI.escape(query)}&p=#{options[:p]}&count=#{options[:count]}&format=rss"
  if options[:raw] == true
    open(url).read
  else
    RSS::RDF::Channel.install_text_element("opensearch:totalResults", "http://a9.com/-/spec/opensearch/1.1/", "?", "totalResults", :text, "opensearch:totalResults")
    RSS::BaseListener.install_get_text_element("http://a9.com/-/spec/opensearch/1.1/", "totalResults", "totalResults=")
    RSS::Parser.parse(url, false)
  end
end

#search_cinii_by_isbn(isbn) ⇒ Object 



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# File 'lib/enju_nii/cinii_book.rb', line 153

def search_cinii_by_isbn(isbn)
  url = "https://ci.nii.ac.jp/books/opensearch/search?isbn=#{isbn}&format=rss"
  RSS::RDF::Channel.install_text_element("opensearch:totalResults", "http://a9.com/-/spec/opensearch/1.1/", "?", "totalResults", :text, "opensearch:totalResults")
  RSS::BaseListener.install_get_text_element("http://a9.com/-/spec/opensearch/1.1/", "totalResults", "totalResults=")
  RSS::Parser.parse(url, false)
end