ChargifyAccount

SketchSystems.spec

ChargifyAccount
  start
    signup -> trial
  trial
    cancel -> cancelled
    expire -> trial_ended
    activate -> active
  trial_ended
    retry -> trial
    activate -> active
  active
    cancel -> cancelled
    payment_missed -> past_due
  past_due
    payment_failed -> cancelled
    payment_success -> active
  cancelled
    retry -> trial
    activate -> active

SketchSystems_prototype.js

function render(model){
  let current_state_name = model.active_states[0].name;
  return $("h1",
           {style: {color: "darkBlue"}},
           `The current state is: ${current_state_name}`);
}