async Task ExecuteRefreshCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
var orders = await _service.GetProducts();
ProductItems.Clear();
foreach (var todo in orders)
{
ProductItems.Add(todo);
}
}
catch (Exception ex)
{
Acr.UserDialogs.UserDialogs.Instance.ShowError(ex.Message);
}
finally
{
IsBusy = false;
}
}
public void Init()
{
ProductItems.Clear();
ProductItems.Add(new ProductItem
{
Name = "iPhone 7 Plus 太空金",
price = 28000,
number = 2,
UpdateSumCommand = new DelegateCommand(CalculateSum),
});
ProductItems.Add(new ProductItem
{
Name = "60天世界旅遊一周",
price = 168168,
number = 1,
UpdateSumCommand = new DelegateCommand(CalculateSum),
});
ProductItems.Add(new ProductItem
{
Name = "32\"重乳酪起司",
price = 742,
number = 2,
UpdateSumCommand = new DelegateCommand(CalculateSum),
});
ProductItems.Add(new ProductItem
{
Name = "海港自助餐劵",
price = 468,
number = 8,
UpdateSumCommand = new DelegateCommand(CalculateSum),
});
}
private void Apply(ProductAdded @event)
{
Version++;
var newProductItem = @event.ProductItem;
var existingProductItem = FindProductItemMatchingWith(newProductItem);
if (existingProductItem is null)
{
ProductItems.Add(newProductItem);
return;
}
ProductItems.Replace(
existingProductItem,
existingProductItem.MergeWith(newProductItem)
);
}
public void AddProductLineSaleItem(IProduct product, int quantity)
{
IProductLineSaleItem item = new ProductSaleLineItem(product, quantity, 1);
ProductItems.Add(item);
}
