ruby_web_scraping_tutorial_1.rb

require "Nokogiri"
require "httparty"
 
class Scraper
   @@shoes = []
   page = HTTParty.get("https://www.nike.com/w/mens-nike-by-you-lifestyle-shoes-13jrmz6ealhznik1zy7ok")
   @parse_page ||= Nokogiri::HTML(page)
   @parse_page.css('div.product-card__info').each do |char_element|
       title = char_element.css("div.product-card__title").text.gsub(/\n/, "")
       subtitle = char_element.css("div.product-card__subtitle").text.gsub(/\n/, "")
       price = char_element.css("div.product-price").text.gsub(/\n/, "")
 
       shoe_details = [title, subtitle, price]
          
       @@shoes << shoe_details if !@@shoes.include?(shoe_details)
   end   
  
   CSV.open('data.csv', "w+") do |csv|
       @@shoes.each { |element| csv.puts(element) }
   end
end