datacite/volpino

# frozen_string_literal: true

class BaseConnection < GraphQL::Types::Relay::BaseConnection
  def doi_from_url(url)
    if /\A(?:(http|https):\/\/(dx\.)?(doi.org|handle.test.datacite.org)\/)?(doi:)?(10\.\d{4,5}\/.+)\z/.match?(url)
      uri = Addressable::URI.parse(url)
      uri.path.gsub(/^\//, "").downcase
    end
  end
end