house_hunting.rb

# Be notified when a new house matching your criteria is posted to Craigslist

require 'snoop'

MAX_RENT = 1900
BEDROOMS = 2
CITY = 'portland'
CATS = true
DOGS = true

snoop = Snoop::HttpNotifier.new url: begin
  url = [
    "http://#{CITY}.craigslist.org/search",
    "/apa?zoomToPosting=&query=&srchType=A",
    "&maxAsk=#{RENT}",
    "&bedrooms=#{BEDROOMS}"
  ].join

  url += "&addTwo=purrr" if CATS
  url += "&addThree=wooof" if DOGS
end

snoop.notify while: -> { true }, delay: 300 do
  `terminal-notifier -message "New listing!"`
end