Module: Bolognese::Readers::CrossrefReader

Included in:
MetadataUtils
Defined in:
lib/bolognese/readers/crossref_reader.rb

Constant Summary collapse

CONTACT_EMAIL =

CrossRef types from api.crossref.org/types

"[email protected]"

Instance Method Summary collapse

Instance Method Details

#crossref_alternate_identifiers(bibliographic_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 135

def crossref_alternate_identifiers(bibliographic_metadata)
  if bibliographic_metadata.fetch("publisher_item", nil).present?
    { "alternateIdentifier" => parse_attributes(bibliographic_metadata.dig("publisher_item", "item_number")),
      "alternateIdentifierType" => "Publisher ID" }
  else
    { "alternateIdentifier" => parse_attributes(bibliographic_metadata.fetch("item_number", nil)),
      "alternateIdentifierType" => "Publisher ID" }
  end
end

#crossref_date_published(bibliographic_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 197

def crossref_date_published(bibliographic_metadata)
  pub_date = Array.wrap(bibliographic_metadata.fetch("publication_date", nil)).presence ||
    Array.wrap(bibliographic_metadata.fetch("acceptance_date", nil))
  if pub_date.present?
    get_date_from_parts(pub_date.first["year"], pub_date.first["month"], pub_date.first["day"])
  else
    nil
  end
end

#crossref_description(bibliographic_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 145

def crossref_description(bibliographic_metadata)
  abstract = Array.wrap(bibliographic_metadata.dig("abstract")).map do |r|
    { "descriptionType" => "Abstract", "description" => sanitize(parse_attributes(r, content: 'p')) }.compact
  end

  description = Array.wrap(bibliographic_metadata.dig("description")).map do |r|
    { "descriptionType" => "Other", "description" => sanitize(parse_attributes(r)) }.compact
  end

  (abstract + description)
end

#crossref_funding_reference(program_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 180

def crossref_funding_reference(program_metadata)
  fundref = Array.wrap(program_metadata).find { |a| a["name"] == "fundref" } || {}
  Array.wrap(fundref.fetch("assertion", [])).select { |a| a["name"] == "fundgroup" }.map do |f|
    f = Array.wrap(f.fetch("assertion", nil)).first
    funder_identifier = normalize_id(f.dig("assertion", "__content__"))
    funder_identifier_type = funder_identifier.present? ?  "Crossref Funder ID" : nil
    award_title = f.fetch("awardTitle", nil).present? ? f.fetch("awardTitle") : nil

    { "funderIdentifier" => funder_identifier,
      "funderIdentifierType" => funder_identifier_type,
      "funderName" => f.fetch("__content__", "").strip,
      "awardTitle" => award_title,
      "awardNumber" => f.dig("awardNumber", "__content__"),
      "awardUri" => f.dig("awardNumber", "awardURI") }.compact
  end
end

#crossref_is_part_of(model_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 207

def crossref_is_part_of(model_metadata)
  if model_metadata.present? && model_metadata.fetch("issn", nil).present?
    { "relatedIdentifier" => parse_attributes(model_metadata.fetch("issn", nil), first: true),
      "relationType" => "IsPartOf",
      "relatedIdentifierType" => "ISSN",
      "resourceTypeGeneral" => "Collection" }.compact
  else
    nil
  end
end

#crossref_license(program_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 157

def crossref_license(program_metadata)
  access_indicator = Array.wrap(program_metadata).find { |m| m["name"] == "AccessIndicators" }
  if access_indicator.present?
    Array.wrap(access_indicator["license_ref"]).map do |license|
      { "rightsUri" => normalize_url(parse_attributes(license)) }
    end.uniq
  else
    nil
  end
end

#crossref_people(bibliographic_metadata, contributor_role) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 168

def crossref_people(bibliographic_metadata, contributor_role)
  person = bibliographic_metadata.dig("contributors", "person_name")
  Array.wrap(person).select { |a| a["contributor_role"] == contributor_role }.map do |a|
    { "type" => "Person",
      "id" => parse_attributes(a["ORCID"]),
      "name" => [a["given_name"], a["surname"]].join(" "),
      "givenName" => a["given_name"],
      "familyName" => a["surname"],
      "contributorType" => contributor_role == "editor" ? "Editor" : nil }.compact
  end.unwrap
end

#crossref_references(bibliographic_metadata) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 218

def crossref_references(bibliographic_metadata)
  refs = bibliographic_metadata.dig("citation_list", "citation")
  Array.wrap(refs).select { |a| a["doi"].present? }.map do |c|
    if c["doi"].present?
      { "relatedIdentifier" => parse_attributes(c["doi"]).downcase,
        "relationType" => "References",
        "relatedIdentifierType" => "DOI" }.compact
    else
      nil
    end
  end.compact.unwrap
end

#get_crossref(id: nil, **options) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 10

def get_crossref(id: nil, **options)
  return { "string" => nil, "state" => "not_found" } unless id.present?

  doi = doi_from_url(id)
  url = "http://www.crossref.org/openurl/?id=doi:#{doi}&noredirect=true&pid=#{CONTACT_EMAIL}&format=unixref"
  response = Maremma.get(url, accept: "text/xml", raw: true)
  string = response.body.fetch("data", nil)
  string = Nokogiri::XML(string, nil, 'UTF-8', &:noblanks).to_s if string.present?

  { "string" => string }
end

#read_crossref(string: nil, **options) ⇒ Object 



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# File 'lib/bolognese/readers/crossref_reader.rb', line 22

def read_crossref(string: nil, **options)
  if string.present?
    m = Maremma.from_xml(string).dig("doi_records", "doi_record") || {}
    meta = m.dig("crossref", "error").nil? ? m : {}
  else
    meta = {}
  end

  # model should be one of book, conference, database, dissertation, journal, peer_review, posted_content,
  # report-paper, sa_component, standard
  model = meta.dig("crossref").to_h.keys.first

  resource_type = nil
  bibliographic_metadata = {}
  program_metadata = {}
  journal_metadata = nil
  journal_issue = {}
  publisher = "(:unav)"

  case model
  when "book"
    book_metadata = meta.dig("crossref", "book", "book_metadata")
    book_series_metadata = meta.dig("crossref", "book", "book_series_metadata")
    book_set_metadata = meta.dig("crossref", "book", "book_set_metadata")
    bibliographic_metadata = meta.dig("crossref", "book", "content_item").to_h
    resource_type = bibliographic_metadata.fetch("component_type", nil) ? "book-" + bibliographic_metadata.fetch("component_type") : "book"
    publisher = book_metadata.dig("publisher", "publisher_name")
  when "conference"
    event_metadata = meta.dig("crossref", "conference", "event_metadata") ||