demarches-normaliennes/app/lib/api_adresse/address_retriever.rb

module ApiAdresse
  class AddressRetriever
    def initialize(address)
      @address = address
    end

    def list
      @list ||= convert_api_result_to_full_address
    end

    private

    def convert_api_result_to_full_address
      result = JSON.parse(ApiAdresse::API.call(@address, 5))

      if result['features'].empty?
        Rails.logger.error "unable to find location for address #{@address}"
        return []
      end

      result['features'].map do |feature|
        feature['properties']['label']
      end
    rescue TypeError, JSON::ParserError
      []
    end
  end
end