Class: LD4L::WorksRDF::GetModelFromURI

Inherits:
Object
  • Object
show all
Defined in:
lib/ld4l/works_rdf/services/get_model_from_uri.rb

Class Method Summary collapse

Class Method Details

.call(uri) ⇒ Object

Attempt to get metadata from the source of the URI via content negotiation.

Parameters:

  • uri (String, RDF::URI) —

    for the work



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# File 'lib/ld4l/works_rdf/services/get_model_from_uri.rb', line 11

def self.call( uri )
  uri = uri.to_s if uri.kind_of?(RDF::URI)

  # curl -L -D - -H "Accept: text/turtle" http://vivo.cornell.edu/individual/n56611
  http = Curl.get(uri) do |curl|
    curl.headers['Accept'] = 'text/turtle'
    curl.headers['Content-Type'] = 'text/turtle'
    curl.headers['Api-Version'] = '2.2'
    curl.follow_location = true
    curl.max_redirects = 3
    curl.connect_timeout = 30
    curl.useragent = "curb"
  end
  result = http.body_str
  header = http.header_str

  work_graph = RDF::Graph.new.from_ttl result
  repo_name = SecureRandom.uuid.to_sym
  # r = RDF::Repository.new
  r = ActiveTriples::Repositories.add_repository repo_name, RDF::Repository.new
  r << work_graph

  # Get work as a generic work
  the_work = self.get_generic_work( r, uri )
  types = []
  the_work.type.each do |t|
    types << t.to_s
  end

  # Try to get more specific work
  the_work = self.get_vivo_book( r, uri )    if types.include? RDFVocabularies::BIBO.Book.to_s
  the_work = self.get_schema_book( r, uri )  if types.include? RDF::SCHEMA.Book.to_s
  the_work
end

.get_generic_work(repo, uri) ⇒ Object 



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# File 'lib/ld4l/works_rdf/services/get_model_from_uri.rb', line 46

def self.get_generic_work( repo, uri )
  LD4L::WorksRDF::GenericWork.new(uri, :data => repo)
end

.get_schema_book(repo, uri) ⇒ Object 



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# File 'lib/ld4l/works_rdf/services/get_model_from_uri.rb', line 54

def self.get_schema_book( repo, uri )
  LD4L::WorksRDF::SchemaBook.new(uri, :data => repo)
end

.get_vivo_book(repo, uri) ⇒ Object 



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# File 'lib/ld4l/works_rdf/services/get_model_from_uri.rb', line 50

def self.get_vivo_book( repo, uri )
  LD4L::WorksRDF::VivoBook.new(uri, :data => repo)
end