kombucha.rb

# Ummm ... well. Just some pseudo code I guess. Fork + complete as needed.
#
# Dependencies: Kombucha culture is expected to be installed in ~/kitchen
# If you don't have one you can easily obtain one from the internet.

rails kombucha -m ~/homemade.rb

# ~/homemade.rb

system %(
  curl -O http://tea.com/jp/green/bancha.tar
  tar xvf bancha.tar; cd bancha
  configure; make; install # tea should be installed in ~/kitchen/ now
)

# tea_controller.rb

require 'kombucha'

def create # FIXME extract domain logic to model, fire off a background-job
  tea = Tea.new(:kind => 'bancha', :amount => 3.ltrs)
  tea += Sugar.new(:amount => 375.gramms)
  sleep(30.minutes) while tea.hot?
 
  # FIXME could extract this to a Thread, we can do that while waiting for the tea to cool down
  recent_build = Kombucha.recent_build.extract(:amount => 10.percent)
  culture = Kombucha.singleton 
  Water.new(:temperature => :lukewarm).wash(culture)

  bowl = Bowl.find(:conditions => { :state => :empty })
  Water.new(:temperature => :hot).wash(bowl)

  bowl << tea << recent_build << culture
  bowl.save!

  flash[:notice] = 'Your kombucha has been set up. Please wait 7-14 days before consuming.'
  redirect_to bowl_path(bowl)
end