alakra/ndfd-weather-forecast-client

module NDFD
  class DWML
    class Location
      class << self
        def extract(elements)
          elements.map { |element| new(element) }
        end
      end

      attr_reader :element, :location_key, :latitude, :longitude

      def initialize(element)
        @element = element

        extract_key
        extract_coords
      end

      protected

      def extract_key
        @location_key = element.xpath("location-key").first.text
      end

      def extract_coords
        point = element.xpath('point').first

        @latitude  = point.attributes["latitude"].text.to_f
        @longitude = point.attributes["longitude"].text.to_f
      end
    end
  end
end