Method: TTL2HTML::App#extract_version_metadata

Defined in:

lib/ttl2html.rb

#extract_version_metadata(data) ⇒ Object

# File 'lib/ttl2html.rb', line 351

def extract_version_metadata(data)
  description = data["http://purl.org/dc/terms/description"]
  link = nil
  if not description
    qrev = data["http://www.w3.org/ns/prov#qualifiedRevision"]&.first
    if @data[qrev]
      description = @data[qrev]["http://www.w3.org/2000/01/rdf-schema#comment"]
      link = @data[qrev]["http://www.w3.org/2000/01/rdf-schema#seeAlso"]&.first
    end
  end
  subset = []
  if data["http://rdfs.org/ns/void#subset"]
    data["http://rdfs.org/ns/void#subset"].each do |s|
      abort "#{s} not found" if not @data[s]
      subset << extract_version_metadata(@data[s])
    end
  end
  date = data["http://purl.org/pav/createdOn"]&.first
  date = data["http://purl.org/dc/terms/issued"]&.first if date.nil?
  return {
    version: data["http://purl.org/pav/version"]&.first,
    triples: data["http://rdfs.org/ns/void#triples"]&.first,
    datadump: data["http://rdfs.org/ns/void#dataDump"]&.first,
    bytesize: data["http://www.w3.org/ns/dcat#byteSize"]&.first,
    date: date,
    description: description,
    subset: subset,
    link: link,
    license: extract_license(data),
  }
end