public OrderCreationProductViewModel(OrderProductSM orderProduct,
IBarcodeProducer barcodeProducer,
CurrencySettings currencySettings)
{
_orderProduct = orderProduct;
_barcodeProducer = barcodeProducer;
_currencySettings = currencySettings;
}
public async Task <OrderSM> AddProductAsync(OrderSM order, string barcode, int quantity = 1)
{
if (order == null)
{
throw new ArgumentNullException(nameof(order));
}
if (barcode == null)
{
throw new ArgumentNullException(nameof(barcode));
}
if (quantity < 1)
{
throw new ArgumentOutOfRangeException(nameof(quantity), "Quantity should be more positive number.");
}
OrderSM orderSm;
var orderProductSm = order.FirstOrDefault(x => x.Product.Barcode == barcode);
if (orderProductSm is null)
{
var productSm = await _productRack.GetAsync(barcode);
if (productSm is null)
{
return(order);
}
orderProductSm = new OrderProductSM(productSm)
{
Quantity = quantity
};
orderSm = new OrderSM(order.Session, order.Append(orderProductSm));
}
else
{
orderProductSm.Quantity += quantity;
orderSm = new OrderSM(order.Session, order);
}
orderProductSm.Order = orderSm;
return(orderSm);
}
public ReceiptRowViewModel(OrderProductSM orderProduct, CurrencySettings currencySettings)
{
_orderProduct = orderProduct;
_currencySettings = currencySettings;
}
