icp-api.rb

# EMI::ICPConnectionDataClient.new.find(id)

module EMI
  class ICPConnectionDataClient
    include HTTParty

    class ICP < OpenStruct; end;

    base_uri 'https://emi.azure-api.net/ICPConnectionData'

    def find id
      response = self.class.get "/single?id=#{id}", 
        headers: { 'Ocp-Apim-Subscription-Key': api_key: "XXXXXXXXXX" }, 
        timeout: 5, 
        format: :json

      clean(response.parsed_response[0])
    end

    private

    def clean icp
      metering = icp.dig('Metering', 'InstallationInformation').try(:map, &method(:clean_meter_config))

      ICP.new\
        id:                  icp['ICPIdentifier'],
        trader:              icp.dig('Trader', 'Trader'),
        smart_meter_enabled: metering.nil? ? false : metering.flatten.select{ |m| m[:ami_flag] }
                                                                     .map{ |m| m[:type] }.include?("HHR"),
    end

    def clean_meter_config meter
      meter['ComponentInformation'].try(:map) do |component|
        {
          type: component['MeterType'],
          ami_flag: component['AMIFlag']
        }
      end
    end
  end
end