Module: Commonmeta::Utils

Included in:
CLI, MetadataUtils
Defined in:
lib/commonmeta/utils.rb

Constant Summary collapse

NORMALIZED_LICENSES = 
{
  'https://creativecommons.org/licenses/by/1.0' => 'https://creativecommons.org/licenses/by/1.0/legalcode',
  'https://creativecommons.org/licenses/by/2.0' => 'https://creativecommons.org/licenses/by/2.0/legalcode',
  'https://creativecommons.org/licenses/by/2.5' => 'https://creativecommons.org/licenses/by/2.5/legalcode',
  'https://creativecommons.org/licenses/by/3.0' => 'https://creativecommons.org/licenses/by/3.0/legalcode',
  'https://creativecommons.org/licenses/by/3.0/us' => 'https://creativecommons.org/licenses/by/3.0/legalcode',
  'https://creativecommons.org/licenses/by/4.0' => 'https://creativecommons.org/licenses/by/4.0/legalcode',
  'https://creativecommons.org/licenses/by-nc/1.0' => 'https://creativecommons.org/licenses/by-nc/1.0/legalcode',
  'https://creativecommons.org/licenses/by-nc/2.0' => 'https://creativecommons.org/licenses/by-nc/2.0/legalcode',
  'https://creativecommons.org/licenses/by-nc/2.5' => 'https://creativecommons.org/licenses/by-nc/2.5/legalcode',
  'https://creativecommons.org/licenses/by-nc/3.0' => 'https://creativecommons.org/licenses/by-nc/3.0/legalcode',
  'https://creativecommons.org/licenses/by-nc/4.0' => 'https://creativecommons.org/licenses/by-nc/4.0/legalcode',
  'https://creativecommons.org/licenses/by-nd-nc/1.0' => 'https://creativecommons.org/licenses/by-nd-nc/1.0/legalcode',
  'https://creativecommons.org/licenses/by-nd-nc/2.0' => 'https://creativecommons.org/licenses/by-nd-nc/2.0/legalcode',
  'https://creativecommons.org/licenses/by-nd-nc/2.5' => 'https://creativecommons.org/licenses/by-nd-nc/2.5/legalcode',
  'https://creativecommons.org/licenses/by-nd-nc/3.0' => 'https://creativecommons.org/licenses/by-nd-nc/3.0/legalcode',
  'https://creativecommons.org/licenses/by-nd-nc/4.0' => 'https://creativecommons.org/licenses/by-nd-nc/4.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-sa/1.0' => 'https://creativecommons.org/licenses/by-nc-sa/1.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-sa/2.0' => 'https://creativecommons.org/licenses/by-nc-sa/2.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-sa/2.5' => 'https://creativecommons.org/licenses/by-nc-sa/2.5/legalcode',
  'https://creativecommons.org/licenses/by-nc-sa/3.0' => 'https://creativecommons.org/licenses/by-nc-sa/3.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-sa/4.0' => 'https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode',
  'https://creativecommons.org/licenses/by-nd/1.0' => 'https://creativecommons.org/licenses/by-nd/1.0/legalcode',
  'https://creativecommons.org/licenses/by-nd/2.0' => 'https://creativecommons.org/licenses/by-nd/2.0/legalcode',
  'https://creativecommons.org/licenses/by-nd/2.5' => 'https://creativecommons.org/licenses/by-nd/2.5/legalcode',
  'https://creativecommons.org/licenses/by-nd/3.0' => 'https://creativecommons.org/licenses/by-nd/3.0/legalcode',
  'https://creativecommons.org/licenses/by-nd/4.0' => 'https://creativecommons.org/licenses/by-nd/2.0/legalcode',
  'https://creativecommons.org/licenses/by-sa/1.0' => 'https://creativecommons.org/licenses/by-sa/1.0/legalcode',
  'https://creativecommons.org/licenses/by-sa/2.0' => 'https://creativecommons.org/licenses/by-sa/2.0/legalcode',
  'https://creativecommons.org/licenses/by-sa/2.5' => 'https://creativecommons.org/licenses/by-sa/2.5/legalcode',
  'https://creativecommons.org/licenses/by-sa/3.0' => 'https://creativecommons.org/licenses/by-sa/3.0/legalcode',
  'https://creativecommons.org/licenses/by-sa/4.0' => 'https://creativecommons.org/licenses/by-sa/4.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-nd/1.0' => 'https://creativecommons.org/licenses/by-nc-nd/1.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-nd/2.0' => 'https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-nd/2.5' => 'https://creativecommons.org/licenses/by-nc-nd/2.5/legalcode',
  'https://creativecommons.org/licenses/by-nc-nd/3.0' => 'https://creativecommons.org/licenses/by-nc-nd/3.0/legalcode',
  'https://creativecommons.org/licenses/by-nc-nd/4.0' => 'https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode',
  'https://creativecommons.org/licenses/publicdomain' => 'https://creativecommons.org/licenses/publicdomain/',
  'https://creativecommons.org/publicdomain/zero/1.0' => 'https://creativecommons.org/publicdomain/zero/1.0/legalcode'
}
BIB_TO_CM_TRANSLATIONS =

source: https://www.bibtex.com/e/entry-types/

{
  'article' => 'JournalArticle',
  'book' => 'Book',
  'booklet' => 'Book',
  'inbook' => 'BookChapter',
  'inproceedings' => 'ProceedingsArticle',
  'manual' => 'Report',
  'mastersthesis' => 'Dissertation',
  'misc' => 'Other',
  'phdthesis' => 'Dissertation',
  'proceedings' => 'Proceedings',
  'techreport' => 'Report',
  'unpublished' => 'Manuscript'
}
CM_TO_BIB_TRANSLATIONS = 
{
  'Article' => 'article',
  'Book' => 'book',
  'BookChapter' => 'inbook',
  'Dissertation' => 'phdthesis',
  'JournalArticle' => 'article',
  'Manuscript' => 'unpublished',
  'Other' => 'misc',
  'Proceedings' => 'proceedings',
  'ProceedingsArticle' => 'inproceedings',
  'Report' => 'techreport'
}
CSL_TO_CM_TRANSLATIONS =

source: https://docs.citationstyles.org/en/stable/specification.html?highlight=book#appendix-iii-types

{
  'article' => 'Article',
  'article-journal' => 'JournalArticle',
  'article-magazine' => 'Article',
  'article-newspaper' => 'Article',
  'bill' => 'LegalDocument',
  'book' => 'Book',
  'broadcast' => 'Audiovisual',
  'chapter' => 'BookChapter',
  'classic' => 'Book',
  'collection' => 'Collection',
  'dataset' => 'Dataset',
  'document' => 'Document',
  'entry' => 'Entry',
  'entry-dictionary' => 'Entry',
  'entry-encyclopedia' => 'Entry',
  'event' => 'Event',
  'figure' => 'Figure',
  'graphic' => 'Image',
  'hearing' => 'LegalDocument',
  'interview' => 'Document',
  'legal_case' => 'LegalDocument',
  'legislation' => 'LegalDocument',
  'manuscript' => 'Manuscript',
  'map' => 'Map',
  'motion_picture' => 'Audiovisual',
  'musical_score' => 'Document',
  'pamphlet' => 'Document',
  'paper-conference' => 'ProceedingsArticle',
  'patent' => 'Patent',
  'performance' => 'Performance',
  'periodical' => 'Journal',
  'personal_communication' => 'PersonalCommunication',
  'post' => 'Post',
  'post-weblog' => 'Article',
  'regulation' => 'LegalDocument',
  'report' => 'Report',
  'review' => 'Review',
  'review-book' => 'Review',
  'software' => 'Software',
  'song' => 'Audiovisual',
  'speech' => 'Speech',
  'standard' => 'Standard',
  'thesis' => 'Dissertation',
  'treaty' => 'LegalDocument',
  'webpage' => 'WebPage'
}
CM_TO_CSL_TRANSLATIONS = 
{
  'Article' => 'article',
  'JournalArticle' => 'article-journal',
  'Book' => 'book',
  'BookChapter' => 'chapter',
  'Collection' => 'collection',
  'Dataset' => 'dataset',
  'Document' => 'document',
  'Entry' => 'entry',
  'Event' => 'event',
  'Figure' => 'figure',
  'Image' => 'graphic',
  'LegalDocument' => 'legal_case',
  'Manuscript' => 'manuscript',
  'Map' => 'map',
  'Audiovisual' => 'motion_picture',
  'Patent' => 'patent',
  'Performance' => 'performance',
  'Journal' => 'periodical',
  'PersonalCommunication' => 'personal_communication',
  'Post' => 'post',
  'Report' => 'report',
  'Review' => 'review',
  'Software' => 'software',
  'Speech' => 'speech',
  'Standard' => 'standard',
  'Dissertation' => 'thesis',
  'WebPage' => 'webpage'
}
CR_TO_CM_TRANSLATIONS =

source: http://api.crossref.org/types

{
  'BookChapter' => 'BookChapter',
  'BookPart' => 'BookPart',
  'BookSection' => 'BookSection',
  'BookSeries' => 'BookSeries',
  'BookSet' => 'BookSet',
  'BookTrack' => 'BookTrack',
  'Book' => 'Book',
  'Component' => 'Component',
  'Database' => 'Database',
  'Dataset' => 'Dataset',
  'Dissertation' => 'Dissertation',
  'EditedBook' => 'EditedBook',
  'Grant' => 'Grant',
  'JournalArticle' => 'JournalArticle',
  'JournalIssue' => 'JournalIssue',
  'JournalVolume' => 'JournalVolume',
  'Journal' => 'Journal',
  'Monograph' => 'Book',
  'Other' => 'Other',
  'PeerReview' => 'PeerReview',
  'PostedContent' => 'Article',
  'ProceedingsArticle' => 'ProceedingsArticle',
  'ProceedingsSeries' => 'ProceedingsSeries',
  'Proceedings' => 'Proceedings',
  'ReferenceBook' => 'ReferenceBook',
  'ReferenceEntry' => 'Entry',
  'ReportComponent' => 'ReportComponent',
  'ReportSeries' => 'ReportSeries',
  'Report' => 'Report',
  'Standard' => 'Standard'
}
CM_TO_CR_TRANSLATIONS = 
{
  'Article' => 'PostedContent',
  'BookChapter' => 'BookChapter',
  'BookSeries' => 'BookSeries',
  'Book' => 'Book',
  'Component' => 'Component',
  'Dataset' => 'Dataset',
  'Dissertation' => 'Dissertation',
  'Grant' => 'Grant',
  'JournalArticle' => 'JournalArticle',
  'JournalIssue' => 'JournalIssue',
  'JournalVolume' => 'JournalVolume',
  'Journal' => 'Journal',
  'ProceedingsArticle' => 'ProceedingsArticle',
  'ProceedingsSeries' => 'ProceedingsSeries',
  'Proceedings' => 'Proceedings',
  'ReportComponent' => 'ReportComponent',
  'ReportSeries' => 'ReportSeries',
  'Report' => 'Report',
  'PeerReview' => 'PeerReview',
  'Other' => 'Other'
}
DC_TO_CM_TRANSLATIONS =

source: https://github.com/datacite/schema/blob/master/source/meta/kernel-4/include/datacite-resourceType-v4.xsd

{
  'Audiovisual' => 'Audiovisual',
  'BlogPosting' => 'Article',
  'Book' => 'Book',
  'BookChapter' => 'BookChapter',
  'Collection' => 'Collection',
  'ComputationalNotebook' => 'ComputationalNotebook',
  'ConferencePaper' => 'ProceedingsArticle',
  'ConferenceProceeding' => 'Proceedings',
  'DataPaper' => 'JournalArticle',
  'Dataset' => 'Dataset',
  'Dissertation' => 'Dissertation',
  'Event' => 'Event',
  'Image' => 'Image',
  'InteractiveResource' => 'InteractiveResource',
  'Journal' => 'Journal',
  'JournalArticle' => 'JournalArticle',
  'Model' => 'Model',
  'OutputManagementPlan' => 'OutputManagementPlan',
  'PeerReview' => 'PeerReview',
  'PhysicalObject' => 'PhysicalObject',
  'Poster' => 'Speech',
  'Preprint' => 'Article',
  'Report' => 'Report',
  'Service' => 'Service',
  'Software' => 'Software',
  'Sound' => 'Sound',
  'Standard' => 'Standard',
  'Text' => 'Document',
  'Thesis' => 'Dissertation',
  'Workflow' => 'Workflow',
  'Other' => 'Other'
}
CM_TO_DC_TRANSLATIONS = 
{
  'Article' => 'Preprint',
  'Audiovisual' => 'Audiovisual',
  'Book' => 'Book',
  'BookChapter' => 'BookChapter',
  'Collection' => 'Collection',
  'Dataset' => 'Dataset',
  'Dissertation' => 'Dissertation',
  'Document' => 'Text',
  'Entry' => 'Text',
  'Event' => 'Event',
  'Figure' => 'Image',
  'Image' => 'Image',
  'JournalArticle' => 'JournalArticle',
  'LegalDocument' => 'Text',
  'Manuscript' => 'Text',
  'Map' => 'Image',
  'Patent' => 'Text',
  'Performance' => 'Audiovisual',
  'PersonalCommunication' => 'Text',
  'Post' => 'Text',
  'ProceedingsArticle' => 'ConferencePaper',
  'Proceedings' => 'ConferenceProceeding',
  'Report' => 'Report',
  'PeerReview' => 'PeerReview',
  'Software' => 'Software',
  'Sound' => 'Sound',
  'Standard' => 'Standard',
  'WebPage' => 'Text'
}
RIS_TO_CM_TRANSLATIONS = 
{
  'ABST' => 'Text',
  'ADVS' => 'Text',
  'AGGR' => 'Text',
  'ANCIENT' => 'Text',
  'ART' => 'Text',
  'BILL' => 'Text',
  'BLOG' => 'Text',
  'BOOK' => 'Book',
  'CASE' => 'Text',
  'CHAP' => 'BookChapter',
  'CHART' => 'Text',
  'CLSWK' => 'Text',
  'CTLG' => 'Collection',
  'COMP' => 'Software',
  'DATA' => 'Dataset',
  'DBASE' => 'Database',
  'DICT' => 'Dictionary',
  'EBOOK' => 'Book',
  'ECHAP' => 'BookChapter',
  'EDBOOK' => 'Book',
  'EJOUR' => 'JournalArticle',
  'ELEC' => 'Text',
  'ENCYC' => 'Encyclopedia',
  'EQUA' => 'Equation',
  'FIGURE' => 'Image',
  'GEN' => 'CreativeWork',
  'GOVDOC' => 'GovernmentDocument',
  'GRANT' => 'Grant',
  'HEAR' => 'Hearing',
  'ICOMM' => 'Text',
  'INPR' => 'Text',
  'JFULL' => 'JournalArticle',
  'JOUR' => 'JournalArticle',
  'LEGAL' => 'LegalRuleOrRegulation',
  'MANSCPT' => 'Text',
  'MAP' => 'Map',
  'MGZN' => 'MagazineArticle',
  'MPCT' => 'Audiovisual',
  'MULTI' => 'Audiovisual',
  'MUSIC' => 'MusicScore',
  'NEWS' => 'NewspaperArticle',
  'PAMP' => 'Pamphlet',
  'PAT' => 'Patent',
  'PCOMM' => 'PersonalCommunication',
  'RPRT' => 'Report',
  'SER' => 'SerialPublication',
  'SLIDE' => 'Slide',
  'SOUND' => 'SoundRecording',
  'STAND' => 'Standard',
  'THES' => 'Dissertation',
  'UNBILL' => 'UnenactedBill',
  'UNPB' => 'UnpublishedWork',
  'VIDEO' => 'Audiovisual',
  'WEB' => 'WebPage'
}
CM_TO_RIS_TRANSLATIONS = 
{
  'Article' => 'JOUR',
  'Audiovisual' => 'VIDEO',
  'Book' => 'BOOK',
  'BookChapter' => 'CHAP',
  'Collection' => 'CTLG',
  'Dataset' => 'DATA',
  'Dissertation' => 'THES',
  'Document' => 'GEN',
  'Entry' => 'DICT',
  'Event' => 'GEN',
  'Figure' => 'FIGURE',
  'Image' => 'FIGURE',
  'JournalArticle' => 'JOUR',
  'LegalDocument' => 'GEN',
  'Manuscript' => 'GEN',
  'Map' => 'MAP',
  'Patent' => 'PAT',
  'Performance' => 'GEN',
  'PersonalCommunication' => 'PCOMM',
  'Post' => 'GEN',
  'ProceedingsArticle' => 'CPAPER',
  'Proceedings' => 'CONF',
  'Report' => 'RPRT',
  'Review' => 'GEN',
  'Software' => 'COMP',
  'Sound' => 'SOUND',
  'Standard' => 'STAND',
  'WebPage' => 'WEB'
}
SO_TO_CM_TRANSLATIONS = 
{
  'Article' => 'Article',
  'BlogPosting' => 'Article',
  'Book' => 'Book',
  'BookChapter' => 'BookChapter',
  'CreativeWork' => 'Other',
  'Dataset' => 'Dataset',
  'Dissertation' => 'Dissertation',
  'NewsArticle' => 'Article',
  'Legislation' => 'LegalDocument',
  'ScholarlyArticle' => 'JournalArticle',
  'SoftwareSourceCode' => 'Software'
}
CM_TO_SO_TRANSLATIONS = 
{
  'Article' => 'Article',
  'Audiovisual' => 'CreativeWork',
  'Book' => 'Book',
  'BookChapter' => 'BookChapter',
  'Collection' => 'CreativeWork',
  'Dataset' => 'Dataset',
  'Dissertation' => 'Dissertation',
  'Document' => 'CreativeWork',
  'Entry' => 'CreativeWork',
  'Event' => 'CreativeWork',
  'Figure' => 'CreativeWork',
  'Image' => 'CreativeWork',
  'JournalArticle' => 'ScholarlyArticle',
  'LegalDocument' => 'Legislation',
  'Software' => 'SoftwareSourceCode'
}
CM_TO_JATS_TRANSLATIONS = 
{
  'Proceedings' => 'working-paper',
  'ReferenceBook' => 'book',
  'JournalIssue' => 'journal',
  'ProceedingsArticle' => 'working-paper',
  'Other' => nil,
  'Dissertation' => nil,
  'Dataset' => 'data',
  'Document' => 'journal',
  'EditedBook' => 'book',
  'JournalArticle' => 'journal',
  'Journal' => 'journal',
  'Report' => 'report',
  'BookSeries' => 'book',
  'ReportSeries' => 'report',
  'BookTrack' => 'book',
  'Standard' => 'standard',
  'BookSection' => 'chapter',
  'BookPart' => 'chapter',
  'Book' => 'book',
  'BookChapter' => 'chapter',
  'StandardSeries' => 'standard',
  'Monograph' => 'book',
  'Component' => nil,
  'ReferenceEntry' => nil,
  'JournalVolume' => 'journal',
  'BookSet' => 'book',
  'Article' => 'journal',
  'Software' => 'software'
}
UNKNOWN_INFORMATION = 
{
  ':unac' => 'temporarily inaccessible',
  ':unal' => 'unallowed, suppressed intentionally',
  ':unap' => 'not applicable, makes no sense',
  ':unas' => 'value unassigned (e.g., Untitled)',
  ':unav' => 'value unavailable, possibly unknown',
  ':unkn' => 'known to be unknown (e.g., Anonymous, Inconnue)',
  ':none' => 'never had a value, never will',
  ':null' => 'explicitly and meaningfully empty',
  ':tba' => 'to be assigned or announced later',
  ':etal' => 'too numerous to list (et alia)'
}

Instance Method Summary collapse

Instance Method Details

#decode_doi(doi) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1346

def decode_doi(doi)
  suffix = doi.split('/', 5).last
  Base32::URL.decode(suffix)
end

#encode_doi(prefix) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1339

def encode_doi(prefix)
  random_int = SecureRandom.random_number(2**63..(2**64) - 1)
  suffix = Base32::URL.encode(random_int)
  str = "#{suffix[0, 7]}-#{suffix[6, 7]}"
  "https://doi.org/#{prefix}/#{str}"
end

#find_from_format(id: nil, string: nil, ext: nil, filename: nil) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 441

def find_from_format(id: nil, string: nil, ext: nil, filename: nil)
  if id.present?
    find_from_format_by_id(id)
  elsif string.present? && ext.present?
    find_from_format_by_ext(string, ext: ext)
  elsif string.present?
    find_from_format_by_string(string)
  elsif filename.present?
    find_from_format_by_filename(filename)
  else
    'datacite'
  end
end

#find_from_format_by_ext(string, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 484

def find_from_format_by_ext(string, options = {})
  case options[:ext]
  when '.bib'
    'bibtex'
  when '.ris'
    'ris'
  when '.xml', '.json'
    find_from_format_by_string(string)
  end
end

#find_from_format_by_filename(filename) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 476

def find_from_format_by_filename(filename)
  if filename == 'package.json'
    'npm'
  elsif filename == 'CITATION.cff'
    'cff'
  end
end

#find_from_format_by_id(id) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 455

def find_from_format_by_id(id)
  id = normalize_id(id)

  if %r{\A(?:(http|https):/(/)?(dx\.)?(doi\.org|handle\.stage\.datacite\.org)/)?(doi:)?(10\.\d{4,5}/.+)\z}.match?(id)
    ra = get_doi_ra(id)
    %w[DataCite Crossref mEDRA KISTI JaLC OP].include?(ra) ? ra.downcase : nil
  elsif %r{\A(?:(http|https):/(/)?orcid\.org/)?(\d{4}-\d{4}-\d{4}-\d{3}[0-9X]+)\z}.match?(id)
    'orcid'
  elsif %r{\A(http|https):/(/)?github\.com/(.+)/package.json\z}.match?(id)
    'npm'
  elsif %r{\A(http|https):/(/)?github\.com/(.+)/codemeta.json\z}.match?(id)
    'codemeta'
  elsif %r{\A(http|https):/(/)?github\.com/(.+)/CITATION.cff\z}.match?(id)
    'cff'
  elsif %r{\A(http|https):/(/)?github\.com/(.+)\z}.match?(id)
    'cff'
  else
    'schema_org'
  end
end

#find_from_format_by_string(string) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 495

def find_from_format_by_string(string)
  begin # try to parse as JSON
    hsh = MultiJson.load(string).to_h
    if hsh.dig('@context') && URI.parse(hsh.dig('@context')).host == 'schema.org'
      return 'schema_org'
    elsif hsh.dig('schemaVersion').to_s.start_with?('http://datacite.org/schema/kernel')
      return 'datacite'
    elsif hsh.dig('source') == 'Crossref'
      return 'crossref'
    elsif hsh.dig('issued', 'date-parts').present?
      return 'csl'
    elsif URI.parse(hsh.dig('@context')).to_s == 'https://raw.githubusercontent.com/codemeta/codemeta/master/codemeta.jsonld'
      return 'codemeta'
    end
  rescue MultiJson::ParseError
  end

  begin # try to parse as XML
    hsh = Hash.from_xml(string)
    return 'crossref_xml' if hsh.to_h.dig('crossref_result').present?
  rescue Nokogiri::XML::SyntaxError
  end

  begin # try to parse as YAML
    hsh = YAML.load(string, permitted_classes: [Date])
    return 'cff' if hsh.is_a?(Hash) && hsh.fetch('cff-version', nil).present?
  rescue Psych::SyntaxError
  end

  if string.start_with?('TY  - ')
    'ris'
  elsif BibTeX.parse(string).first
    'bibtex'
  end
end

#from_csl(element) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 878

def from_csl(element)
  Array.wrap(element).map do |a|
    if a['literal'].present?
      a['type'] = 'Organization'
      a['name'] = a['literal']
    elsif a['name'].present?
      a['type'] = 'Organization'
    elsif a['given'].present? || a['family'].present?
      a['type'] = 'Person'
    end
    a['givenName'] = a['given']
    a['familyName'] = a['family']
    a.except('given', 'family', 'literal').compact
  end.unwrap
end

#from_datacite(element) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 695

def from_datacite(element)
  mapping = { 'nameType' => 'type', 'creatorName' => 'name' }

  map_hash_keys(element: element, mapping: mapping)
end

#from_schema_org(element) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 838

def from_schema_org(element)
  mapping = { '@type' => 'type', '@id' => 'id' }

  map_hash_keys(element: element, mapping: mapping)
end

#get_contributor(contributor, contributor_type) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1101

def get_contributor(contributor, contributor_type)
  contributor.select { |c| c['contributorType'] == contributor_type }
end

#get_date(dates, date_type) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1082

def get_date(dates, date_type)
  dd = Array.wrap(dates).find { |d| d['dateType'] == date_type } || {}
  dd.fetch('date', nil)
end

#get_date_from_date_parts(date_as_parts) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1001

def get_date_from_date_parts(date_as_parts)
  date_parts = date_as_parts.fetch('date-parts', []).first
  return nil if date_parts == [nil]

  year = date_parts[0]
  month = date_parts[1]
  day = date_parts[2]
  get_date_from_parts(year, month, day)
rescue NoMethodError # if date_parts is nil
  nil
end

#get_date_from_parts(year, month = nil, day = nil) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1013

def get_date_from_parts(year, month = nil, day = nil)
  [year.to_s.rjust(4, '0'), month.to_s.rjust(2, '0'), day.to_s.rjust(2, '0')].reject do |part|
    part == '00'
  end.join('-')
end

#get_date_parts(iso8601_time) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 990

def get_date_parts(iso8601_time)
  return { 'date-parts' => [[]] } if iso8601_time.nil?

  year = iso8601_time[0..3].to_i
  month = iso8601_time[5..6].to_i
  day = iso8601_time[8..9].to_i
  { 'date-parts' => [[year, month, day].reject { |part| part == 0 }] }
rescue TypeError
  nil
end

#get_date_parts_from_parts(year, month = nil, day = nil) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1019

def get_date_parts_from_parts(year, month = nil, day = nil)
  { 'date-parts' => [[year.to_i, month.to_i, day.to_i].reject { |part| part == 0 }] }
end

#get_dates_from_date(date) ⇒ Object

convert commonmeta dates to DataCite format



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# File 'lib/commonmeta/utils.rb', line 1088

def get_dates_from_date(date)
  return nil if date.nil?

  mapping = { 'published' => 'issued' }

  date = map_hash_keys(element: date, mapping: mapping)

  date.map do |k, v|
    { 'date' => v,
      'dateType' => k.capitalize }
  end
end

#get_datetime_from_iso8601(iso8601_time) ⇒ Object

parsing of incomplete iso8601 timestamps such as 2015-04 is broken in standard library return nil if invalid iso8601 timestamp



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# File 'lib/commonmeta/utils.rb', line 1058

def get_datetime_from_iso8601(iso8601_time)
  ISO8601::DateTime.new(iso8601_time).to_time.utc
rescue StandardError
  nil
end

#get_datetime_from_time(time) ⇒ Object

iso8601 datetime without hyphens and colons, used by Crossref return nil if invalid



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# File 'lib/commonmeta/utils.rb', line 1076

def get_datetime_from_time(time)
  DateTime.strptime(time.to_s, '%Y%m%d%H%M%S').strftime('%Y-%m-%dT%H:%M:%SZ')
rescue ArgumentError
  nil
end

#get_identifier(identifiers, identifier_type) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1105

def get_identifier(identifiers, identifier_type)
  id = Array.wrap(identifiers).find { |i| i['identifierType'] == identifier_type } || {}
  id.fetch('identifier', nil)
end

#get_identifier_type(identifier_type) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1110

def get_identifier_type(identifier_type)
  return nil unless identifier_type.present?

  identifierTypes = {
    'ark' => 'ARK',
    'arxiv' => 'arXiv',
    'bibcode' => 'bibcode',
    'doi' => 'DOI',
    'ean13' => 'EAN13',
    'eissn' => 'EISSN',
    'handle' => 'Handle',
    'igsn' => 'IGSN',
    'isbn' => 'ISBN',
    'issn' => 'ISSN',
    'istc' => 'ISTC',
    'lissn' => 'LISSN',
    'lsid' => 'LSID',
    'pmid' => 'PMID',
    'purl' => 'PURL',
    'upc' => 'UPC',
    'url' => 'URL',
    'urn' => 'URN',
    'md5' => 'md5',
    'minid' => 'minid',
    'dataguid' => 'dataguid'
  }

  identifierTypes[identifier_type.downcase] || identifier_type
end

#get_iso8601_date(iso8601_time) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1023

def get_iso8601_date(iso8601_time)
  return nil if iso8601_time.nil? || iso8601_time.length < 4

  case iso8601_time.length
  when 4
    iso8601_time[0..3]
  when 7
    iso8601_time[0..6]
  else
    iso8601_time[0..9]
  end
end

#get_series_information(str) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1140

def get_series_information(str)
  return {} unless str.present?

  str = str.split(',').map(&:strip)

  title = str.first
  volume_issue = str.length > 2 ? str[1].rpartition(/\(([^)]+)\)/) : nil
  volume = volume_issue.present? ? volume_issue[0].presence || volume_issue[2].presence : nil
  issue = volume_issue.present? ? volume_issue[1][1...-1].presence : nil
  pages = str.length > 1 ? str.last : nil
  first_page = pages.present? ? pages.split('-').map(&:strip)[0] : nil
  last_page = pages.present? ? pages.split('-').map(&:strip)[1] : nil

  {
    'title' => title,
    'volume' => volume,
    'issue' => issue,
    'firstPage' => first_page,
    'lastPage' => last_page
  }.compact
end

#get_year_month(iso8601_time) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1036

def get_year_month(iso8601_time)
  return [] if iso8601_time.nil?

  year = iso8601_time[0..3]
  month = iso8601_time[5..6]

  [year.to_i, month.to_i].reject { |part| part == 0 }
end

#get_year_month_day(iso8601_time) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1045

def get_year_month_day(iso8601_time)
  return [] if iso8601_time.nil?

  year = iso8601_time[0..3]
  month = iso8601_time[5..6]
  day = iso8601_time[8..9]

  [year.to_i, month.to_i, day.to_i].reject { |part| part == 0 }
end

#github_as_cff_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 980

def github_as_cff_url(url)
  github_hash = github_from_url(url)

  if github_hash[:path].to_s.end_with?('CITATION.cff')
    "https://raw.githubusercontent.com/#{github_hash[:owner]}/#{github_hash[:repo]}/#{github_hash[:release]}/#{github_hash[:path]}"
  elsif github_hash[:owner].present?
    "https://raw.githubusercontent.com/#{github_hash[:owner]}/#{github_hash[:repo]}/main/CITATION.cff"
  end
end

#github_as_codemeta_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 970

def github_as_codemeta_url(url)
  github_hash = github_from_url(url)

  if github_hash[:path].to_s.end_with?('codemeta.json')
    "https://raw.githubusercontent.com/#{github_hash[:owner]}/#{github_hash[:repo]}/#{github_hash[:release]}/#{github_hash[:path]}"
  elsif github_hash[:owner].present?
    "https://raw.githubusercontent.com/#{github_hash[:owner]}/#{github_hash[:repo]}/master/codemeta.json"
  end
end

#github_as_owner_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 951

def github_as_owner_url(url)
  github_hash = github_from_url(url)
  "https://github.com/#{github_hash[:owner]}" if github_hash[:owner].present?
end

#github_as_release_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 963

def github_as_release_url(url)
  github_hash = github_from_url(url)
  return unless github_hash[:release].present?

  "https://github.com/#{github_hash[:owner]}/#{github_hash[:repo]}/tree/#{github_hash[:release]}"
end

#github_as_repo_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 956

def github_as_repo_url(url)
  github_hash = github_from_url(url)
  return unless github_hash[:repo].present?

  "https://github.com/#{github_hash[:owner]}/#{github_hash[:repo]}"
end

#github_from_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 930

def github_from_url(url)
  return {} unless %r{\Ahttps://github\.com/(.+)(?:/)?(.+)?(?:/tree/)?(.*)\z}.match?(url)

  words = URI.parse(url).path[1..-1].split('/')
  path = words.length > 3 ? words[4...words.length].join('/') : nil

  { owner: words[0], repo: words[1], release: words[3], path: path }.compact
end

#github_owner_from_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 947

def github_owner_from_url(url)
  github_from_url(url).fetch(:owner, nil)
end

#github_release_from_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 943

def github_release_from_url(url)
  github_from_url(url).fetch(:release, nil)
end

#github_repo_from_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 939

def github_repo_from_url(url)
  github_from_url(url).fetch(:repo, nil)
end

#hsh_to_fos(hsh) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1266

def hsh_to_fos(hsh)
  # first find subject in Fields of Science (OECD)
  fos = JSON.load(File.read(File.expand_path('../../resources/oecd/fos-mappings.json',
                                             __dir__))).fetch('fosFields')
  subject = fos.find do |l|
    l['fosLabel'] == hsh['__content__'] || 'FOS: ' + l['fosLabel'] == hsh['__content__'] || l['fosLabel'] == hsh['subject']
  end

  if subject
    return [{
      'subject' => sanitize(hsh['__content__'] || hsh['subject']),
      'subjectScheme' => hsh['subjectScheme'],
      'schemeUri' => hsh['schemeURI'] || hsh['schemeUri'],
      'valueUri' => hsh['valueURI'] || hsh['valueUri'],
      'classificationCode' => hsh['classificationCode'],
      'lang' => hsh['lang']
    }.compact,
            {
              'subject' => 'FOS: ' + subject['fosLabel'],
              'subjectScheme' => 'Fields of Science and Technology (FOS)',
              'schemeUri' => 'http://www.oecd.org/science/inno/38235147.pdf'
            }.compact]
  end

  # if not found, look in Fields of Research (Australian and New Zealand Standard Research Classification)
  # and map to Fields of Science. Add an extra entry for the latter
  fores = JSON.load(File.read(File.expand_path('../../resources/oecd/for-mappings.json',
                                               __dir__)))
  for_fields = fores.fetch('forFields')
  for_disciplines = fores.fetch('forDisciplines')

  # try to extract forId
  if hsh['subjectScheme'] == 'FOR'
    for_id = hsh['__content__'].to_s.split(' ').first || hsh['subject'].to_s.split(' ').first
    for_id = for_id.rjust(6, '0')

    subject = for_fields.find { |l| l['forId'] == for_id } ||
              for_disciplines.find { |l| l['forId'] == for_id[0..3] }
  else
    subject = for_fields.find do |l|
      l['forLabel'] == hsh['__content__'] || l['forLabel'] == hsh['subject']
    end ||
              for_disciplines.find do |l|
                l['forLabel'] == hsh['__content__'] || l['forLabel'] == hsh['subject']
              end
  end

  if subject
    [{
      'subject' => sanitize(hsh['__content__'] || hsh['subject']),
      'subjectScheme' => hsh['subjectScheme'],
      'classificationCode' => hsh['classificationCode'],
      'schemeUri' => hsh['schemeURI'] || hsh['schemeUri'],
      'valueUri' => hsh['valueURI'] || hsh['valueUri'],
      'lang' => hsh['lang']
    }.compact,
     {
       'subject' => 'FOS: ' + subject['fosLabel'],
       'subjectScheme' => 'Fields of Science and Technology (FOS)',
       'schemeUri' => 'http://www.oecd.org/science/inno/38235147.pdf'
     }]
  else
    [{
      'subject' => sanitize(hsh['__content__'] || hsh['subject']),
      'subjectScheme' => hsh['subjectScheme'],
      'classificationCode' => hsh['classificationCode'],
      'schemeUri' => hsh['schemeURI'] || hsh['schemeUri'],
      'valueUri' => hsh['valueURI'] || hsh['valueUri'],
      'lang' => hsh['lang']
    }.compact]
  end
end

#hsh_to_spdx(hsh) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1185

def hsh_to_spdx(hsh)
  spdx = JSON.load(File.read(File.expand_path('../../resources/spdx/licenses.json',
                                              __dir__))).fetch('licenses')
  hsh['rightsUri'] = hsh.delete('rightsURI') if hsh['rightsUri'].blank?
  license = spdx.find do |l|
    l['licenseId'].casecmp?(hsh['rightsIdentifier']) || l['seeAlso'].first == normalize_cc_url(hsh['rightsUri']) || l['name'] == hsh['rights'] || l['seeAlso'].first == normalize_cc_url(hsh['rights'])
  end

  if license
    { 'id' => license['licenseId'], 'url' => license['seeAlso'].first }.compact
  else
    {
      'id' => hsh['rightsIdentifier'].present? ? hsh['rightsIdentifier'].downcase : nil,
      'url' => hsh['rightsURI'] || hsh['rightsUri']
    }.compact
  end
end

#jsonlint(json) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1162

def jsonlint(json)
  return ['No JSON provided'] unless json.present?

  error_array = []
  linter = JsonLint::Linter.new
  linter.send(:check_data, json, error_array)
  error_array
end

#map_hash_keys(element: nil, mapping: nil) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 844

def map_hash_keys(element: nil, mapping: nil)
  Array.wrap(element).map do |a|
    a.map { |k, v| [mapping.fetch(k, k), v] }.reduce({}) do |hsh, (k, v)|
      if k == 'affiliation' && v.is_a?(Array)
        hsh[k] = v.map do |affiliation|
          if affiliation.is_a?(Hash)
            affiliation.merge('@type' => 'Organization')
          else
            affiliation
          end
        end
        hsh
      elsif k == 'type' && v.is_a?(String)
        hsh[k] = v.capitalize
        hsh
      elsif v.is_a?(Hash)
        hsh[k] = to_schema_org(v)
        hsh
      else
        hsh[k] = v
        hsh
      end
    end
  end.unwrap
end

#name_to_fos(name) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1224

def name_to_fos(name)
  # first find subject in Fields of Science (OECD)
  fos = JSON.load(File.read(File.expand_path('../../resources/oecd/fos-mappings.json',
                                             __dir__))).fetch('fosFields')

  subject = fos.find { |l| l['fosLabel'] == name || 'FOS: ' + l['fosLabel'] == name }

  if subject
    return [{
      'subject' => sanitize(name).downcase
    },
            {
              'subject' => 'FOS: ' + subject['fosLabel'],
              'subjectScheme' => 'Fields of Science and Technology (FOS)',
              'schemeUri' => 'http://www.oecd.org/science/inno/38235147.pdf'
            }]
  end

  # if not found, look in Fields of Research (Australian and New Zealand Standard Research Classification)
  # and map to Fields of Science. Add an extra entry for the latter
  fores = JSON.load(File.read(File.expand_path('../../resources/oecd/for-mappings.json',
                                               __dir__)))
  for_fields = fores.fetch('forFields')
  for_disciplines = fores.fetch('forDisciplines')

  subject = for_fields.find { |l| l['forLabel'] == name } ||
            for_disciplines.find { |l| l['forLabel'] == name }

  if subject
    [{
      'subject' => sanitize(name).downcase
    },
     {
       'subject' => 'FOS: ' + subject['fosLabel'],
       'subjectScheme' => 'Fields of Science and Technology (FOS)',
       'schemeUri' => 'http://www.oecd.org/science/inno/38235147.pdf'
     }]
  else
    [{ 'subject' => sanitize(name).downcase }]
  end
end

#name_to_spdx(name) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1171

def name_to_spdx(name)
  spdx = JSON.load(File.read(File.expand_path('../../resources/spdx/licenses.json',
                                              __dir__))).fetch('licenses')
  license = spdx.find do |l|
    l['name'] == name || l['licenseId'] == name || l['seeAlso'].first == normalize_cc_url(name)
  end

  if license
    { 'id' => license['licenseId'], 'url' => license['seeAlso'].first }.compact
  else
    { 'rights' => name }
  end
end

#normalize_cc_url(id) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 610

def normalize_cc_url(id)
  id = normalize_url(id, https: true)
  NORMALIZED_LICENSES.fetch(id, id)
end

#normalize_id(id, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 571

def normalize_id(id, options = {})
  return nil unless id.present?

  # check for valid DOI
  doi = normalize_doi(id, options)
  return doi if doi.present?

  # check for valid HTTP uri
  uri = Addressable::URI.parse(id)
  return nil unless uri && uri.host && %w[http https].include?(uri.scheme)

  # clean up URL
  PostRank::URI.clean(id)
rescue Addressable::URI::InvalidURIError
  nil
end

#normalize_issn(input, options = {}) ⇒ Object

pick electronic issn if there are multiple format issn as xxxx-xxxx



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# File 'lib/commonmeta/utils.rb', line 625

def normalize_issn(input, options = {})
  content = options[:content] || '__content__'

  issn = if input.blank?
           nil
         elsif input.is_a?(String) && options[:content].nil?
           input
         elsif input.is_a?(Hash)
           input.fetch(content, nil)
         elsif input.is_a?(Array)
           a = input.find { |a| a['media_type'] == 'electronic' } || input.first
           a.fetch(content, nil)
         end

  case issn.to_s.length
  when 9
    issn
  when 8
    issn[0..3] + '-' + issn[4..7]
  end
end

#normalize_licenses(licenses) ⇒ Object

find Creative Commons or OSI license in licenses array, normalize url and name



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# File 'lib/commonmeta/utils.rb', line 648

def normalize_licenses(licenses)
  standard_licenses = Array.wrap(licenses).map do |l|
    URI.parse(l['url'])
  end.select { |li| li.host && li.host[/(creativecommons.org|opensource.org)$/] }
  return licenses unless standard_licenses.present?

  # use HTTPS
  uri.scheme = 'https'

  # use host name without subdomain
  uri.host = Array(/(creativecommons.org|opensource.org)/.match uri.host).last

  # normalize URLs
  if uri.host == 'creativecommons.org'
    uri.path = uri.path.split('/')[0..-2].join('/') if uri.path.split('/').last == 'legalcode'
    uri.path << '/' unless uri.path.end_with?('/')
  else
    uri.path = uri.path.gsub(/(-license|\.php|\.html)/, '')
    uri.path = uri.path.sub(/(mit|afl|apl|osl|gpl|ecl)/) { |match| match.upcase }
    uri.path = uri.path.sub(/(artistic|apache)/) { |match| match.titleize }
    uri.path = uri.path.sub(/([^0-9-]+)(-)?([1-9])?(\.)?([0-9])?$/) do
      m = Regexp.last_match
      text = m[1]

      if m[3].present?
        version = [m[3], m[5].presence || '0'].join('.')
        [text, version].join('-')
      else
        text
      end
    end
  end

  uri.to_s
rescue URI::InvalidURIError
  nil
end

#normalize_orcid(orcid) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 615

def normalize_orcid(orcid)
  orcid = validate_orcid(orcid)
  return nil unless orcid.present?

  # turn ORCID ID into URL
  'https://orcid.org/' + Addressable::URI.encode(orcid)
end

#normalize_url(id, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 588

def normalize_url(id, options = {})
  return nil unless id.present?

  # handle info URIs
  return id if id.to_s.start_with?('info')

  # check for valid HTTP uri
  uri = Addressable::URI.parse(id)

  return nil unless uri && uri.host && %w[http https ftp].include?(uri.scheme)

  # optionally turn into https URL
  uri.scheme = 'https' if options[:https]

  # clean up URL
  uri.path = PostRank::URI.clean(uri.path)

  uri.to_s
rescue Addressable::URI::InvalidURIError
  nil
end

#orcid_as_url(orcid) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 535

def orcid_as_url(orcid)
  "https://orcid.org/#{orcid}" if orcid.present?
end

#orcid_from_url(url) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 531

def orcid_from_url(url)
  Array(%r{\A:(http|https)://orcid\.org/(.+)}.match(url)).last
end

#parse_attributes(element, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 558

def parse_attributes(element, options = {})
  content = options[:content] || '__content__'

  if element.is_a?(String) && options[:content].nil?
    CGI.unescapeHTML(element)
  elsif element.is_a?(Hash)
    element.fetch(CGI.unescapeHTML(content), nil)
  elsif element.is_a?(Array)
    a = element.map { |e| e.is_a?(Hash) ? e.fetch(CGI.unescapeHTML(content), nil) : e }.uniq
    a = options[:first] ? a.first : a.unwrap
  end
end

#sanitize(text, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 914

def sanitize(text, options = {})
  options[:tags] ||= Set.new(%w[strong em b i code pre sub sup br])
  content = options[:content] || '__content__'
  custom_scrubber = Commonmeta::WhitelistScrubber.new(options)

  if text.is_a?(String)
    # remove excessive internal whitespace with squish
    Loofah.scrub_fragment(text, custom_scrubber).to_s.squish
  elsif text.is_a?(Hash)
    sanitize(text.fetch(content, nil))
  elsif text.is_a?(Array)
    a = text.map { |e| e.is_a?(Hash) ? sanitize(e.fetch(content, nil)) : sanitize(e) }.uniq
    a = options[:first] ? a.first : a.unwrap
  end
end

#spdx_to_hsh(hsh) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 1203

def spdx_to_hsh(hsh)
  return nil unless hsh.present? && hsh.is_a?(Hash)

  spdx = JSON.load(File.read(File.expand_path('../../resources/spdx/licenses.json',
                                              __dir__))).fetch('licenses')

  license = spdx.find { |l| l['licenseId'].casecmp?(hsh['id']) }

  if license
    [{
      'rightsIdentifier' => license['licenseId'].downcase,
      'rightsUri' => license['seeAlso'].first,
      'rights' => license['name'],
      'rightsIdentifierScheme' => 'SPDX',
      'schemeUri' => 'https://spdx.org/licenses/'
    }.compact]
  else
    [{ 'rightsIdentifier' => hsh['id'], 'rightsURI' => hsh['url'] }.compact]
  end
end

#strip_milliseconds(iso8601_time) ⇒ Object

strip milliseconds if there is a time, as it interferes with edtc parsing keep dates unchanged



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# File 'lib/commonmeta/utils.rb', line 1066

def strip_milliseconds(iso8601_time)
  return iso8601_time.split(' ').first if iso8601_time.to_s.include? ' '

  return iso8601_time.split('.').first + 'Z' if iso8601_time.to_s.include? '.'

  iso8601_time
end

#to_csl(element) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 894

def to_csl(element)
  Array.wrap(element).map do |a|
    a['family'] = a['familyName']
    a['given'] = a['givenName']
    a['literal'] = a['name'] unless a['familyName'].present?
    a.except('nameType', 'type', '@type', 'id', '@id', 'name', 'familyName', 'givenName',
             'affiliation', 'contributorType').compact
  end.presence
end

#to_datacite(element, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 686

def to_datacite(element, options = {})
  a = Array.wrap(element).map do |e|
    e.each_with_object({}) do |(k, v), h|
      h[k.dasherize] = v
    end
  end
  options[:first] ? a.unwrap : a.presence
end

#to_identifier(identifier) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 870

def to_identifier(identifier)
  {
    '@type' => 'PropertyValue',
    'propertyID' => identifier['relatedIdentifierType'],
    'value' => identifier['relatedIdentifier']
  }
end

#to_ris(element) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 904

def to_ris(element)
  Array.wrap(element).map do |a|
    if a['familyName'].present?
      [a['familyName'], a['givenName']].join(', ')
    else
      a['name']
    end
  end.unwrap
end

#to_schema_org(element) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 701

def to_schema_org(element)
  mapping = { 'type' => '@type', 'id' => '@id', 'title' => 'name' }

  map_hash_keys(element: element, mapping: mapping)
end

#to_schema_org_citation(reference) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 764

def to_schema_org_citation(reference)
  return nil unless reference.present?

  {
    '@type' => 'CreativeWork',
    '@id' => reference['doi'] ? normalize_id(reference['doi']) : nil,
    'name' => reference['title'],
    'datePublished' => reference['publicationYear']
  }.compact
end

#to_schema_org_container(element, options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 707

def to_schema_org_container(element, options = {})
  return nil unless element.is_a?(Hash) || (element.nil? && options[:container_title].present?)

  issn = element['identifier'] if element['identifierType'] == 'ISSN'
  id = issn.blank? ? element['identifier'] : nil
  name = options[:container_title] || element['title']
  type = id || name ? options[:type] || element['type'] : nil

  { '@id' => id, '@type' => type, 'name' => name, 'issn' => issn }.compact
end

#to_schema_org_funder(funding_references) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 752

def to_schema_org_funder(funding_references)
  return nil unless funding_references.present?

  Array.wrap(funding_references).map do |fr|
    {
      '@id' => fr['funderIdentifier'],
      '@type' => 'Organization',
      'name' => fr['funderName']
    }.compact
  end.unwrap
end

#to_schema_org_identifiers(element, _options = {}) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 718

def to_schema_org_identifiers(element, _options = {})
  Array.wrap(element).map do |ai|
    {
      '@type' => 'PropertyValue',
      'propertyID' => ai['alternateIdentifierType'],
      'value' => ai['alternateIdentifier']
    }
  end.unwrap
end

#to_schema_org_relation(related_identifiers: nil, relation_type: nil) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 728

def to_schema_org_relation(related_identifiers: nil, relation_type: nil)
  return nil unless related_identifiers.present? && relation_type.present?

  relation_type = if relation_type == 'References'
                    %w[References Cites
                       Documents]
                  else
                    [relation_type]
                  end

  Array.wrap(related_identifiers).select do |ri|
    relation_type.include?(ri['relationType'])
  end.map do |r|
    if r['relatedIdentifierType'] == 'ISSN' && r['relationType'] == 'IsPartOf'
      { '@type' => 'Periodical', 'issn' => r['relatedIdentifier'] }.compact
    else
      {
        '@id' => normalize_id(r['relatedIdentifier']),
        '@type' => DC_TO_SO_TRANSLATIONS[r['resourceTypeGeneral']] || 'CreativeWork'
      }.compact
    end
  end.unwrap
end

#to_schema_org_spatial_coverage(geo_location) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 775

def to_schema_org_spatial_coverage(geo_location)
  return nil unless geo_location.present?

  Array.wrap(geo_location).each_with_object([]) do |gl, sum|
    if gl.fetch('geoLocationPoint', nil)
      sum << {
        '@type' => 'Place',
        'geo' => {
          '@type' => 'GeoCoordinates',
          'address' => gl['geoLocationPlace'],
          'latitude' => gl.dig('geoLocationPoint', 'pointLatitude'),
          'longitude' => gl.dig('geoLocationPoint', 'pointLongitude')
        }
      }.compact
    end

    if gl.fetch('geoLocationBox', nil)
      sum << {
        '@type' => 'Place',
        'geo' => {
          '@type' => 'GeoShape',
          'address' => gl['geoLocationPlace'],
          'box' => [gl.dig('geoLocationBox', 'southBoundLatitude'),
                    gl.dig('geoLocationBox', 'westBoundLongitude'),
                    gl.dig('geoLocationBox', 'northBoundLatitude'),
                    gl.dig('geoLocationBox', 'eastBoundLongitude')].compact.join(' ').presence
        }.compact
      }.compact
    end

    if gl.fetch('geoLocationPolygon', nil)
      sum << {
        '@type' => 'Place',
        'geo' => {
          '@type' => 'GeoShape',
          'address' => gl['geoLocationPlace'],
          'polygon' => Array.wrap(gl.dig('geoLocationPolygon')).map do |glp|
            Array.wrap(glp).map do |glpp|
              [glpp.dig('polygonPoint', 'pointLongitude'),
               glpp.dig('polygonPoint', 'pointLatitude')].compact
            end.compact
          end.compact.presence
        }
      }
    end

    next unless gl.fetch('geoLocationPlace',
                         nil) && !gl.fetch('geoLocationPoint',
                                           nil) && !gl.fetch('geoLocationBox',
                                                             nil) && !gl.fetch(
                                                               'geoLocationPolygon', nil
                                                             )

    sum << {
      '@type' => 'Place',
      'geo' => {
        '@type' => 'GeoCoordinates',
        'address' => gl['geoLocationPlace']
      }
    }.compact
  end.unwrap
end

#validate_orcid(orcid) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 539

def validate_orcid(orcid)
  orcid = Array(%r{\A(?:(?:http|https)://(?:(?:www|sandbox)?\.)?orcid\.org/)?(\d{4}[[:space:]-]\d{4}[[:space:]-]\d{4}[[:space:]-]\d{3}[0-9X]+)\z}.match(orcid)).last
  orcid.gsub(/[[:space:]]/, '-') if orcid.present?
end

#validate_orcid_scheme(orcid_scheme) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 544

def validate_orcid_scheme(orcid_scheme)
  Array(%r{\A(http|https)://(www\.)?(orcid\.org)}.match(orcid_scheme)).last
end

#validate_url(str) ⇒ Object 



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# File 'lib/commonmeta/utils.rb', line 548

def validate_url(str)
  if %r{\A(?:(http|https)://(dx\.)?doi.org/)?(doi:)?(10\.\d{4,5}/.+)\z}.match?(str)
    'DOI'
  elsif %r{\A(http|https)://}.match?(str)
    'URL'
  elsif /\A(ISSN|eISSN) (\d{4}-\d{3}[0-9X]+)\z/.match?(str)
    'ISSN'
  end
end