Class: LocalAuthority
- Inherits:
-
ActiveRecord::Base
- Object
- ActiveRecord::Base
- LocalAuthority
- Defined in:
- app/models/local_authority.rb
Class Method Summary collapse
- .entries_by_term(model, term, query) ⇒ Object
- .harvest_rdf(name, sources, opts = {}) ⇒ Object
- .harvest_tsv(name, sources, opts = {}) ⇒ Object
- .register_vocabulary(model, term, name) ⇒ Object
Class Method Details
.entries_by_term(model, term, query) ⇒ Object
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# File 'app/models/local_authority.rb', line 61 def self.entries_by_term(model, term, query) return if query.empty? low_query = query.downcase hits = [] # move lc_subject into it's own table since being part of the usual structure caused it to be too slow. # When/if we move to having multiple dictionaries for subject we will need to also do a check for the appropriate dictionary. if term == 'subject' && model == 'generic_files' # and local_authoritiy = lc_subject sql = SubjectLocalAuthorityEntry.where("lowerLabel like ?", "#{low_query}%").select("label, uri").limit(25).to_sql SubjectLocalAuthorityEntry.find_by_sql(sql).each do |hit| hits << { uri: hit.uri, label: hit.label } end else dterm = DomainTerm.where(model: model, term: term).first if dterm = dterm..collect(&:id).uniq sql = LocalAuthorityEntry.where("local_authority_id in (?)", ).where("lower(label) like ?", "#{low_query}%").select("label, uri").limit(25).to_sql LocalAuthorityEntry.find_by_sql(sql).each do |hit| hits << { uri: hit.uri, label: hit.label } end end end hits end |
.harvest_rdf(name, sources, opts = {}) ⇒ Object
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# File 'app/models/local_authority.rb', line 7 def self.harvest_rdf(name, sources, opts = {}) return unless where(name: name).empty? = create(name: name) format = opts.fetch(:format, :ntriples) predicate = opts.fetch(:predicate, ::RDF::SKOS.prefLabel) entries = [] sources.each do |uri| ::RDF::Reader.open(uri, format: format) do |reader| reader.each_statement do |statement| next unless statement.predicate == predicate entries << LocalAuthorityEntry.new(local_authority: , label: statement.object.to_s, uri: statement.subject.to_s) end end end if LocalAuthorityEntry.respond_to? :import LocalAuthorityEntry.import entries else entries.each(&:save!) end end |
.harvest_tsv(name, sources, opts = {}) ⇒ Object
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# File 'app/models/local_authority.rb', line 30 def self.harvest_tsv(name, sources, opts = {}) return unless where(name: name).empty? = create(name: name) prefix = opts.fetch(:prefix, "") entries = [] sources.each do |uri| open(uri) do |f| f.each_line do |tsv| fields = tsv.split(/\t/) entries << LocalAuthorityEntry.new(local_authority: , uri: "#{prefix}#{fields[0]}/", label: fields[2]) end end end if LocalAuthorityEntry.respond_to? :import LocalAuthorityEntry.import entries else entries.each(&:save!) end end |
.register_vocabulary(model, term, name) ⇒ Object
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# File 'app/models/local_authority.rb', line 52 def self.register_vocabulary(model, term, name) = find_by_name(name) return if .blank? model = model.to_s.sub(/RdfDatastream$/, '').underscore.pluralize domain_term = DomainTerm.find_or_create_by(model: model, term: term) return if domain_term..include? domain_term. << end |