Displays all articles available on Courrier International by title, and asks the user to select one. The selected article will be presented to the user to be read.

courrier_international_article.rb

require "open-uri"
require "nokogiri"

def articles(link)
  result = []
  articles = []
  doc = Nokogiri::HTML(open(link))
  nodeset = doc.css('a')
  articles = nodeset.map { |element| element["href"] }.compact
  articles.each do |article|
    begin
      array = []
      doc = Nokogiri::HTML(open("http://www.courrierinternational.com#{article}"))
      doc.search(".article-title").each_with_index do |element, index|
        array << "#{element.text.strip}"
      end
      doc.search(".article-text").each_with_index do |element, index|
        array << "#{element.text.strip}"
      end
      result << { title: array[0], text: array[1] }
    rescue
      next
    end
  end
  return result
end

def articles_list(link)
  articles_list = []
  articles_array = articles(link)
  articles_array.each do |info|
    articles_list << info[:title]
  end
  return articles_list
end

def get_article(link)
  puts "Select an article title in the list below:"
  puts articles_list(link)
  puts "Now enter the article title you would like to read:"
  user_choice = gets.chomp
  articles_array = articles(link)
  articles_hash = {}
  articles_array.each do |element|
    articles_hash[element[:title]] = element[:text]
  end
  return articles_hash[user_choice]
end