Get stocks for the GTA V BAWSAQ

gtav_stocks.rb

require 'net/http'
require 'json'

def request
  Net::HTTP.get(URI('http://socialclub.rockstargames.com/games/gtav/ps4/bawsaq'))

  uri = URI('http://socialclub.rockstargames.com/games/gtav/ajax/stockdetail')
  http = Net::HTTP.new(uri.host, uri.port)
  req =  Net::HTTP::Get.new(uri)

  headers.each do |name, value|
    req.add_field(name, value)
  end

  res = http.request(req)
  res.body
end

def headers
  {
    'Accept' => 'application/json, text/javascript, */*; q=0.01',
    'X-Requested-With' => 'XMLHttpRequest',
    'User-Agent' => 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/600.2.5 (KHTML, like Gecko) Version/8.0.2 Safari/600.2.5',
    'Cookie' => 'prod=<your value>; RockStarWebSessionId=<your value>;',
    'Referer' => 'http://socialclub.rockstargames.com/games/gtav/ps4/bawsaq'
  }
end

response = JSON.parse(request)
stocks = response['Stocks']

tracked = %w(Badger BitterSweet Shark Tinkle Ubermacht Whiz Zit)
stocks.reject! { |s| !tracked.include?(s['CompanyName']) }

time_format = '%-m/%-d/%y %-l:%M %p'
time = Time.now.strftime(time_format)
stock_values = stocks.map { |s| s['CurrentPrice'] }.join("\t")

puts "#{time}\t #{stock_values}"