ledger.js

EccapCalc.ledgerController = function(view, ledger_id) {
  /** @class
      @extends SC.ArrayController
  */
  return SC.ArrayController.create(
    SC.CollectionViewDelegate,

    /** @scope EccapCalc.ledgerController.prototype */ {
    verticalOffset: 0,

    ledger: function() {
console.log("ledger_id=" + ledger_id);
//var l = EccapCalc.store.find(EccapCalc.Ledger, ledger_id).refresh();
var l = EccapCalc.store.find(EccapCalc.Ledger, 'foobar').refresh();
console.log("id=" + l.get('id') + ", status=" + l.status());
      return EccapCalc.store.find(EccapCalc.Ledger, ledger_id);
    }.property().cacheable(),

...