Car Sales checker (Ruby script)

Gemfile

source 'https://rubygems.org'

gem 'mechanize'
gem 'pry'

ix35.rb

#!/usr/bin/env ruby

require 'mechanize'

puts 'Starting...'

base_url = 'http://www.carsales.com.au'
list_url = "#{base_url}/all-cars/results.aspx?WT.z_srchsrcx=makemodel&q=(((((((((SiloType%3d%5bBrand+new+cars+in+stock%5d%7cSiloType%3d%5bBrand+new+cars+available%5d)%7cSiloType%3d%5bDealer+used+cars%5d)%7cSiloType%3d%5bDemo+and+near+new+cars%5d)%7cSiloType%3d%5bPrivate+seller+cars%5d)%26(Make%7b%3d%7d%5bHyundai%5d%7b%26%7dModel%7b%3d%7d%5bix35%5d))%26GenericGearType%7b%3d%7d%5bAutomatic%5d)%26Service%3d%5bCarsales%5d)%26Location%3dlocation%5b-27.45076%2c153.0341x250000%5d))%26(Odometer%3drange%5b..150000%5d)&vertical=car&postcode=4006&distance=250&silo=stock&sortby=~Price"

agent     = Mechanize.new
list_page = agent.get(list_url)
cars      = list_page.search('.result-item a:contains("View")')
results   = []

cars.each do |car|
  print "Fetching car #{cars.index(car) + 1} from #{cars.count}\r"

  car_url  = "#{base_url}#{car[:href]}"
  car_page = agent.get(car_url)
  result   = {}

  %i[badge year color fuel price].each do |attr|
    result[attr] = car_page.search("meta[name='WT.z_#{attr}']").first.attributes['content'].value
  end

  %i[title description image].each do |attr|
    result[attr] = car_page.search("meta[name='og:#{attr}']").first.attributes['content'].value rescue nil
  end

  result[:kilometres] = car_page.search("td.term:contains('Kilometres')").first.parent.children.
    search('td.definition').children.first.content.gsub(/[\.,]/, '')

  result[:link] = car_url

  results << result
end

file_name = "#{Time.now.to_s.match(/(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})/).captures.join('_')}.csv"

puts "\nGenerating CSV #{file_name}..."

File.open(file_name, 'w') do |csv|
  csv.write "#{[results.first.keys.map(&:to_s)].join(',')}\n"
  results.each { |result| csv.write("#{result.values.join(',')}\n") }
end

puts 'Done!'

Result => https://gist.github.com/lucascaton/d7fa30406d6316ad5baa