Rental and Purchase Lifecycle

SketchSystems.spec

Rental and Purchase Lifecycle
  Idle
    collectorRequest -> Artist Approval
  Artist Approval
    artistDecline -> Declined
    artistAccept -> Renting
    artistChange -> Collector Approval
    collectorCancel -> Cancelled
  Collector Approval
    collectorCancel -> Cancelled
    collectorAccept -> Renting
    collectorChange -> Artist Approval
  Renting
    collectorExtend -> Artist Approval
    collectorPurchase -> Purchased
    end -> Ended
  Declined
  Cancelled
  Expired
  Ended
  Purchased

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}`);
}