Module: Chronicle::Schema::RDFParsing::Schemaorg

Defined in:
lib/chronicle/schema/rdf_parsing/schemaorg.rb

Constant Summary collapse

DEFAULT_NAMESPACE = 
'https://schema.org/'.freeze

Class Method Summary collapse

Class Method Details

.build_graph(version) ⇒ Object 



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# File 'lib/chronicle/schema/rdf_parsing/schemaorg.rb', line 16

def self.build_graph(version)
  ttl = ttl_for_version(version)
  Chronicle::Schema::RDFParsing::TTLGraphBuilder.build_from_ttl(ttl, default_namespace: DEFAULT_NAMESPACE)
end

.graph_for_version(version) ⇒ Object 



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# File 'lib/chronicle/schema/rdf_parsing/schemaorg.rb', line 12

def self.graph_for_version(version)
  @memoized_graphs[version] ||= build_graph(version)
end

.seed_graph_from_file(version, file_path) ⇒ Object 



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# File 'lib/chronicle/schema/rdf_parsing/schemaorg.rb', line 34

def self.seed_graph_from_file(version, file_path)
  ttl = File.read(file_path)
  graph = Chronicle::Schema::RDFParsing::TTLGraphBuilder.build_from_ttl(ttl,
    default_namespace: DEFAULT_NAMESPACE)
  @memoized_graphs[version] = graph
end

.ttl_for_version(version) ⇒ Object 



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# File 'lib/chronicle/schema/rdf_parsing/schemaorg.rb', line 21

def self.ttl_for_version(version)
  url = url_for_version(version)
  ttl_via_download(url)
end

.ttl_via_download(url) ⇒ Object 



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# File 'lib/chronicle/schema/rdf_parsing/schemaorg.rb', line 26

def self.ttl_via_download(url)
  uri = URI(url)
  response = Net::HTTP.get_response(uri)
  raise "Error: #{response.message}" unless response.is_a?(Net::HTTPSuccess)

  response.body
end

.url_for_version(version) ⇒ Object 



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# File 'lib/chronicle/schema/rdf_parsing/schemaorg.rb', line 41

def self.url_for_version(version)
  "https://schema.org/version/#{version}/schemaorg-current-https.ttl"
end