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# File 'lib/commonmeta/readers/schema_org_reader.rb', line 78
def read_schema_org(string: nil, **options)
if string.present?
errors = jsonlint(string)
return { 'errors' => errors } if errors.present?
end
read_options = ActiveSupport::HashWithIndifferentAccess.new(options.except(:doi, :id, :url,
:sandbox, :validate, :ra))
meta = string.present? ? JSON.parse(string) : {}
alternate_identifiers = Array.wrap(meta.fetch('identifier', nil)).map do |r|
r = normalize_id(r) if r.is_a?(String)
if r.is_a?(String) && URI(r).host != 'doi.org'
{ 'alternateIdentifierType' => 'URL', 'alternateIdentifier' => r }
elsif r.is_a?(Hash) && r['propertyID'] != 'doi'
{ 'alternateIdentifierType' => get_identifier_type(r['propertyID']),
'alternateIdentifier' => r['value'] }
end
end.compact.uniq
id = options[:doi]
id = meta.fetch('@id', nil) if id.blank? && URI(meta.fetch('@id', '')).host == 'doi.org'
id = meta.fetch('identifier', nil) if id.blank?
id = normalize_id(id)
schema_org = meta.fetch('@type', nil) && meta.fetch('@type').camelcase
type = Commonmeta::Utils::SO_TO_CM_TRANSLATIONS[schema_org]
additional_type = meta.fetch('additionalType', nil)
authors = meta.fetch('author', nil) || meta.fetch('creator', nil)
creators = get_authors(from_schema_org(Array.wrap(authors))) unless authors.is_a?(String)
contributors = get_authors(from_schema_org(Array.wrap(meta.fetch('editor', nil))))
publisher = parse_attributes(meta.fetch('publisher', nil), content: 'name', first: true)
ct = schema_org == 'Dataset' ? 'includedInDataCatalog' : 'Periodical'
container = if meta.fetch(ct, nil).present?
url = parse_attributes(from_schema_org(meta.fetch(ct, nil)), content: 'url',
first: true)
{
'type' => schema_org == 'Dataset' ? 'DataRepository' : 'Periodical',
'title' => parse_attributes(from_schema_org(meta.fetch(ct, nil)), content: 'name',
first: true),
'identifier' => url,
'identifierType' => url.present? ? 'URL' : nil,
'volume' => meta.fetch('volumeNumber', nil),
'issue' => meta.fetch('issueNumber', nil),
'firstPage' => meta.fetch('pageStart', nil),
'lastPage' => meta.fetch('pageEnd', nil)
}.compact
elsif %w[BlogPosting Article].include?(schema_org)
issn = meta.dig('isPartOf', 'issn')
url = meta.dig('publisher', 'url')
{
'type' => 'Periodical',
'title' => meta.dig('isPartOf', 'name'),
'identifier' => issn.presence || url.presence,
'identifierType' => issn.present? ? 'ISSN' : 'URL'
}.compact
else
{}
end
references = (Array.wrap(meta.fetch('citation',
nil)) + Array.wrap(meta.fetch('isBasedOn',
nil))).map do |r|
schema_org_reference(r)
end
rights_uri = parse_attributes(meta.dig('license'), content: 'id') || meta.dig('license')
license = hsh_to_spdx('rightsURI' => rights_uri)
funding_references = Array.wrap(meta.fetch('funder', nil)).compact.map do |fr|
if fr['@id'].present?
{
'funderName' => fr['name'],
'funderIdentifier' => fr['@id'],
'funderIdentifierType' => fr['@id'].to_s.start_with?('https://doi.org/10.13039') ? 'Crossref Funder ID' : 'Other'
}.compact
else
{ 'funderName' => fr['name'] }.compact
end
end
date = {}
if Date.edtf(strip_milliseconds(meta.fetch('datePublished', nil))).present?
date['published'] = strip_milliseconds(meta.fetch('datePublished'))
end
if Date.edtf(strip_milliseconds(meta.fetch('dateCreated', nil))).present?
date['created'] = strip_milliseconds(meta.fetch('dateCreated'))
end
if Date.edtf(strip_milliseconds(meta.fetch('dateModified', nil))).present?
date['updated'] = strip_milliseconds(meta.fetch('dateModified'))
end
language = case meta.fetch('inLanguage', nil)
when String
meta.fetch('inLanguage')
when Array
meta.fetch('inLanguage').first
when Object
meta.dig('inLanguage', 'alternateName') || meta.dig('inLanguage', 'name')
end
state = meta.present? || read_options.present? ? 'findable' : 'not_found'
geo_locations = Array.wrap(meta.fetch('spatialCoverage', nil)).map do |gl|
if gl.dig('geo', 'box')
s, w, n, e = gl.dig('geo', 'box').split(' ', 4)
geo_location_box = {
'westBoundLongitude' => w,
'eastBoundLongitude' => e,
'southBoundLatitude' => s,
'northBoundLatitude' => n
}.compact.presence
else
geo_location_box = nil
end
geo_location_point = { 'pointLongitude' => gl.dig('geo', 'longitude'),
'pointLatitude' => gl.dig('geo', 'latitude') }.compact.presence
{
'geoLocationPlace' => gl.dig('geo', 'address'),
'geoLocationPoint' => geo_location_point,
'geoLocationBox' => geo_location_box
}.compact
end
subjects = meta.fetch('keywords', nil)
subjects = subjects.to_s.downcase.split(', ') if subjects.is_a?(String)
subjects = Array.wrap(subjects).reduce([]) do |sum, subject|
sum += name_to_fos(subject)
sum
end
schema_version = meta.fetch('schemaVersion', nil).to_s.presence || 'http://datacite.org/schema/kernel-4'
{ 'id' => id,
'type' => type,
'additional_type' => additional_type,
'alternate_identifiers' => alternate_identifiers.presence,
'url' => normalize_id(meta.fetch('url', nil)),
'content_url' => Array.wrap(meta.fetch('contentUrl', nil)),
'sizes' => Array.wrap(meta.fetch('contenSize', nil)),
'formats' => Array.wrap(meta.fetch('encodingFormat',
nil) || meta.fetch('fileFormat', nil)),
'titles' => if meta.fetch('name', nil).present?
[{ 'title' => meta.fetch('name', nil) }]
else
[{ 'title' => meta.fetch('headline', nil) }]
end,
'creators' => creators,
'contributors' => contributors,
'publisher' => { 'name' => publisher },
'provider' => parse_attributes(meta.fetch('provider', nil), content: 'name', first: true),
'container' => container,
'references' => references,
'date' => date,
'descriptions' => if meta.fetch('description', nil).present?
[{ 'description' => sanitize(meta.fetch('description')),
'descriptionType' => 'Abstract' }]
end,
'license' => license.presence,
'version' => meta.fetch('version', nil).to_s.presence,
'subjects' => subjects,
'language' => language,
'state' => state,
'schema_version' => schema_version,
'funding_references' => funding_references,
'geo_locations' => geo_locations }.compact.merge(read_options)
end
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