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# File 'lib/briard/readers/schema_org_reader.rb', line 83
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? ? Maremma.from_json(string) : {}
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'
{ 'identifierType' => 'URL', 'identifier' => r }
elsif r.is_a?(Hash)
{ 'identifierType' => get_identifier_type(r['propertyID']), 'identifier' => 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
resource_type_general = Briard::Utils::SO_TO_DC_TRANSLATIONS[schema_org]
types = {
'resourceTypeGeneral' => resource_type_general,
'resourceType' => meta.fetch('additionalType', nil),
'schemaOrg' => schema_org,
'citeproc' => Briard::Utils::SO_TO_CP_TRANSLATIONS[schema_org] || 'article-journal',
'bibtex' => Briard::Utils::SO_TO_BIB_TRANSLATIONS[schema_org] || 'misc',
'ris' => Briard::Utils::SO_TO_RIS_TRANSLATIONS[resource_type_general.to_s.dasherize] || 'GEN'
}.compact
authors = meta.fetch('author', nil) || meta.fetch('creator', nil)
unless authors.is_a?(String)
creators = get_authors(from_schema_org_creators(Array.wrap(authors)))
end
contributors = get_authors(from_schema_org_contributors(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' => 'Blog',
'title' => meta.dig('isPartOf', 'name'),
'identifier' => issn.presence || url.presence,
'identifierType' => issn.present? ? 'ISSN' : 'URL'
}.compact
else
{}
end
related_identifiers = Array.wrap(schema_org_is_identical_to(meta)) +
Array.wrap(schema_org_is_part_of(meta)) +
Array.wrap(schema_org_has_part(meta)) +
Array.wrap(schema_org_is_previous_version_of(meta)) +
Array.wrap(schema_org_is_new_version_of(meta)) +
Array.wrap(schema_org_references(meta)) +
Array.wrap(schema_org_is_referenced_by(meta)) +
Array.wrap(schema_org_is_supplement_to(meta)) +
Array.wrap(schema_org_is_supplemented_by(meta))
rights_list = Array.wrap(meta.fetch('license', nil)).compact.map do |rl|
if rl.is_a?(String)
hsh_to_spdx('rightsURI' => rl)
else
hsh_to_spdx('__content__' => rl['name'], 'rightsURI' => rl['id'])
end
end
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
dates = []
if Date.edtf(strip_milliseconds(meta.fetch('datePublished', nil))).present?
dates << { 'date' => strip_milliseconds(meta.fetch('datePublished')),
'dateType' => 'Issued' }
end
if Date.edtf(strip_milliseconds(meta.fetch('dateCreated', nil))).present?
dates << { 'date' => strip_milliseconds(meta.fetch('dateCreated')),
'dateType' => 'Created' }
end
if Date.edtf(strip_milliseconds(meta.fetch('dateModified', nil))).present?
dates << { 'date' => strip_milliseconds(meta.fetch('dateModified')),
'dateType' => 'Updated' }
end
publication_year = meta.fetch('datePublished')[0..3] if meta.fetch('datePublished',
nil).present?
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
{ 'id' => id,
'types' => types,
'doi' => validate_doi(id),
'identifiers' => identifiers,
'url' => normalize_id(meta.fetch('url', nil)),
'content_url' => Array.wrap(meta.fetch('contentUrl', nil)),
'sizes' => Array.wrap(meta.fetch('contenSize', nil)).presence,
'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' => publisher,
'agency' => parse_attributes(meta.fetch('provider', nil), content: 'name', first: true),
'container' => container,
'related_identifiers' => related_identifiers,
'publication_year' => publication_year,
'dates' => dates,
'descriptions' => if meta.fetch('description', nil).present?
[{ 'description' => sanitize(meta.fetch('description')),
'descriptionType' => 'Abstract' }]
end,
'rights_list' => rights_list.presence,
'version_info' => meta.fetch('version', nil).to_s.presence,
'subjects' => subjects,
'language' => language,
'state' => state,
'schema_version' => meta.fetch('schemaVersion', nil).to_s.presence,
'funding_references' => funding_references,
'geo_locations' => geo_locations }.merge(read_options)
end
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