public ReceiptColumnViewModel(OrderSM order, CurrencySettings currencySettings)
{
_order = order;
_currencySettings = currencySettings;
Rows = new BindableCollection <ReceiptRowViewModel>(_order.Select(x => new ReceiptRowViewModel(x, currencySettings)));
}
public async Task <bool> AcceptOrderAsync(OrderSM orderSm)
{
if (orderSm == null)
{
throw new ArgumentNullException(nameof(orderSm));
}
var session = await _dbContext.Sessions.FirstOrDefaultAsync(x => x.Id == orderSm.Session.Id);
var order = new Order
{
Session = session,
DateTime = orderSm.DateTime
};
var query = _dbContext.Products;
var products = orderSm.Join(query, x => x.Product.Id, x => x.Id, (o, p) => new OrderProduct
{
Order = order,
Product = p,
Quantity = o.Quantity
}).Where(x => x.Quantity > 0).ToList();
await _dbContext.Orders.AddAsync(order);
await _dbContext.OrderProducts.AddRangeAsync(products);
var count = await _dbContext.SaveChangesAsync(CancellationToken.None);
return(count > 0);
}
public Task <OrderSM> RemoveProductAsync(OrderSM order, int productId)
{
if (order == null)
{
throw new ArgumentNullException(nameof(order));
}
var products = order.Where(x => x.Product?.Id != productId);
return(Task.FromResult(new OrderSM(order.Session, products)));
}
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 Task <OrderSM> ChangeQuantityAsync(OrderSM order, int productId, int quantity)
{
if (order == null)
{
throw new ArgumentNullException(nameof(order));
}
if (quantity < 1)
{
throw new ArgumentOutOfRangeException(nameof(quantity), "Quantity should be more positive number.");
}
var product = order.FirstOrDefault(x => x.Product?.Id == productId);
if (product != null)
{
product.Quantity = quantity;
}
return(Task.FromResult(order));
}
public OrderListRowViewModel(CurrencySettings currencyOptions, OrderSM order)
{
_currencyOptions = currencyOptions;
_order = order;
}
