Module: TogoStanza::Stanza::Querying

Included in:
Base
Defined in:
lib/togostanza/stanza/querying.rb

Constant Summary collapse

MAPPINGS = 
{
  togogenome: 'http://togogenome.org/sparql'
}

Instance Method Summary collapse

Instance Method Details

#query(endpoint, text_or_filename, **options) ⇒ Object 



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# File 'lib/togostanza/stanza/querying.rb', line 10

def query(endpoint, text_or_filename, **options)
  path = File.join(root, 'sparql', text_or_filename)

  if File.exist?(path)
    data = OpenStruct.new params
    text_or_filename = Tilt.new(path).render(data)
  end

  client = SPARQL::Client.new(MAPPINGS[endpoint] || endpoint, method: 'get')

  result = client.query(text_or_filename, **{content_type: 'application/sparql-results+json'}.merge(options)).map {|binding|
    binding.each_with_object({}) {|(name, term), hash|
      hash[name] = term.to_s
    }
  }
  client.close
  result
end