tx-dirac.js

var tx = dirac.tx.create();

utils.async.series([
  tx.begin.bind( tx )
  // Remove items
, tx.payment_summary_items.remove.bind(
    tx.payment_summary_items
  , { payment_summary_id: $where.id }
  )
  // Add items
, items.length > 0
  ? tx.payment_summary_items.insert.bind(
      tx.payment_summary_items
    , items
    )
  : utils.async.noop
  // Update the original document
, Object.keys( $update ).length > 0
  ? tx.payment_summaries.update.bind(
      tx.payment_summaries
    , $where
    , $update
    , options
    )
  : utils.async.noop
, tx.commit.bind( tx )
], callback );