Rental and Purchase Lifecycle v3-1

SketchSystems.spec

Rental and Purchase Lifecycle v3-1
  Potential Transaction
    collectorStartTrial -> Handoff - To Collector For Trial
    collectorStartPurchasing -> Handoff - To Collector For Ongoing Purchasing
    collectorPurchase -> Handoff - To Collector For Final Purchase
  Trial
    Handoff - To Collector For Trial
      collectorReceiveArtwork -> Trialing
      collectorDoesNotReceiveArtwork -> Error
    Trialing
      collectorReturn -> Handoff - To Artist From Trial
      collectorStartPurchasing -> Ongoing Purchasing
      collectorPurchase -> Purchase Completed
    Handoff - To Artist From Trial
      artistReceiveArtwork -> Potential Transaction
      artistDoesNotReceiveArtwork -> Error
  Purchase
    Handoff - To Collector For Ongoing Purchasing
      collectorReceiveArtwork -> Ongoing Purchasing
      collectorDoesNotReceiveArtwork -> Error
    Handoff - To Collector For Final Purchase
      collectorReceiveArtwork -> Purchase Completed
      collectorDoesNotReceiveArtwork -> Error  
    Ongoing Purchasing
      collectorReturn -> Handoff - To Artist From Ongoing Purchasing
      collectorFinishPurchasing -> Purchase Completed
    Handoff - To Artist From Ongoing Purchasing
      artistReceiveArtwork -> Potential Transaction
      artistDoesNotReceiveArtwork -> Error
    Purchase Completed
  Error

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}`);
}