Sample

order.scala

def orderEntry(order: Order): Try[OrderEntryProcessed] = {
  order.items foreach { item =>
    val stock = stockRepository.getProductById(item.product)
    stock.amount = stock.amount - item.amount
    stockRepository.updateStockItem(stock)
  }

  incredible_ai.checkForFraud(order)
  payments.makePayment(order.paymentDetails)
  coolBonusPointsSystem.giveBonusForOrder(order)

  Success(OrderEntryProcessed(order.id, Instant.now()))
}