meteo_data.rb

require 'uri'
require 'rexml/document'
require 'net/http'
require_relative 'cloth'
require_relative 'smart_wardrobe'

class MeteoService
  CITIES = {'Москва' => '37', 'Рига' => '312', 'ГонКонг' => '256', 'Женева' => '374', 'Вашингтон' => '384', 'Каир' => '334'}

  def initialize(url = "https://xml.meteoservice.ru/export/gismeteo/point")
    @url = url
  end

  def get_xml(city_name)
    code = CITIES[city_name]
    uri = URI.parse("#{@url}/#{code}.xml")

    response = Net::HTTP.get_response(uri)
    response.body
  end
end

class MeteoData
  def self.from_xml(xml)
    doc = REXML::Document.new(xml)

    city_name = URI.unescape(doc.root.elements['REPORT/TOWN'].attributes['sname'])

    element = doc.root.elements['REPORT/TOWN'].elements.to_a[0]
    min_temp = element.elements['TEMPERATURE'].attributes['min'].to_i

    new(city_name, min_temp)
  end

  attr_reader :city_name, :min_temp

  def initialize(city_name, min_temp)
    @city_name = city_name
    @min_temp = min_temp
  end

  def to_s
    "#{@city_name}: #{@min_temp}"
  end
end


current_path = File.dirname(__FILE__)
files_list = Dir.glob("#{current_path}/../data/*.txt")
smart_wardrobe = SmartWardrobe.new(files_list)

xml = MeteoService.new.get_xml('Москва')
meteo_data = MeteoData.from_xml(xml)
puts meteo_data

advised_clothes = smart_wardrobe.advise(meteo_data.min_temp)
advised_clothes.each { |type, cloth| puts cloth.sample }

meteo_data_spec.rb

require 'rspec'
require 'refactoring'

describe 'Refactoring' do
  describe 'MeteoData' do
    it 'parses xml correctly' do
      xml = IO.read("spec/fixtures/37.xml")
      meteo_data = MeteoData.from_xml(xml)

      expect(meteo_data.min_temp).to eq(-5)
      expect(meteo_data.city_name).to eq('Москва')
    end
  end
end