public void GetToPreviousWindow()
{
if (OrderedProducts.Any())
{
MessageBox.Show("You cannot leave this window while ordered products is not empty", "Exception", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
else
{
var menu = new MenuView();
menu.Show();
CloseAction();
}
}
public void ProcessOrderedItems()
{
if (OrderedProducts.Any())
{
var sales = new List <Sale>();
foreach (var item in OrderedProducts)
{
var sale = new Sale
{
Amount = item.Quantity * item.Price,
Name = item.Name,
TransactionDate = DateTime.UtcNow,
UomType = item.UomType,
Quantity = item.Quantity
};
sales.Add(sale);
}
_context.Sales.AddRange(sales);
_context.SaveChanges();
var receiptView = new ReceiptView();
var viewModel = new ReceiptViewModel();
receiptView.DataContext = viewModel;
if (viewModel.CloseAction == null)
{
viewModel.CloseAction = new Action(receiptView.Close);
}
((ReceiptViewModel)receiptView.DataContext).LoadOrderedProducts(OrderedProducts.ToModelObservableCollection());
receiptView.ShowDialog();
OrderedProducts.Clear();
RaisePropertyChanged("OrderedProducts");
}
else
{
MessageBox.Show("There is no item to order", "Exception", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
}
