scraper.rb

require 'httparty'
require 'nokogiri'
require 'byebug'
require 'json'

def all_countries
  unparsed_page = HTTParty.get('https://www.worldometers.info/coronavirus/')
  parsed_page = Nokogiri::HTML(unparsed_page)

  records = []
  total_countries = parsed_page.css('table#main_table_countries_today > tbody > tr')
                                    .map(&:text).count
  i = 1
  while i < total_countries
    record = parsed_page.css("table#main_table_countries_today > tbody > 
                              tr[#{i}]").text
    record = record.split("\n")
    record_hash = { "name": record[1], "total_cases": record[2], 
                    "new_cases": record[3], 
                    "total_deaths": record[4], 
                    "new_deaths": record[5],
                    "total_recovered": record[6], 
                    "active_cases": record[7], 
                    "first_case": record[8] }
    records << record_hash
    i += 1
  end
 records
 byebug
end