public function checkout(Request $request)
{
// 建立訂單
$order = new Order();
$order->setProducts($request->get('product_ids'));
$order->setAccount($request->get('account_id'));
// 處理訂單
$orderProcessor = new OrderProcessor(new CreditCardBiller(), new OrderRepository());
echo "<h4>訂單處理中...</h4>";
$orderId = $orderProcessor->process($order);
return "<h2>Done, 訂單 ID: " . $orderId . "</h2>" . "<h2>{$order->getAccount()->name}</h2>" . "<h2>{$order->getAmount()}</h2>";
}
