state-machine-concept.rb

state :start do
  transition [
    "need to log in",
    "ready to post a job",
  ]
end

state "need to log in" do
  if !body.index("log in") return false
  transition [
    "log in if known",
    "log in if unknown",
  ]
end

state "log in if known" do
  return false unless (form = selector("form#loginKnown"))

  # perform logic to fill in form...

  transition [ "ready to post job" ]
end

state "log in if unknown" do
  return false unless (form = selector("form#login"))

  # perform logic to fill in form...

  transition [ "ready to post job" ]
end