public void DeleteCashTransaction()
{
if (SelectedCashTransaction == null)
{
return;
}
MessageBoxResult answer = MessageBox.Show("Удалить выбранную транзакцию?", "Question", MessageBoxButton.YesNo);
if (answer != MessageBoxResult.Yes)
{
return;
}
var transactionToDelete = _mainViewModel.Context.Transactions.ToList()
.LastOrDefault(x => x.ID == SelectedCashTransaction.ID);
try
{
_mainViewModel.Context.Transactions.Remove(transactionToDelete);
_mainViewModel.Context.SaveChanges();
MessageBox.Show("Транзакция удалена.", "Confirmation", MessageBoxButton.OK);
}
catch (Exception e)
{
MessageBox.Show("Не удалось удалить транзакцию", "Error", MessageBoxButton.OK);
Logging.WriteToLog("Failed to remove cash transaction. " + e.Message);
}
Update();
_mainViewModel.UpdateCashInHand();
}
/// <summary>
/// Find all transactions with SelectedProduct and delete all of them
/// </summary>
protected void DeleteProduct()
{
MessageBoxResult answer = MessageBox.Show("Удалить выбранный товар?", "Question", MessageBoxButton.YesNo);
if (answer != MessageBoxResult.Yes)
{
return;
}
var transactionsToDelete =
MainViewModel.Context.Transactions.Where(x => x.ProductID != null && SelectedProductIDs.Contains(x.ProductID.Value)).ToList();
foreach (var transaction in transactionsToDelete)
{
MainViewModel.Context.Transactions.Remove(transaction);
}
var productsToDelete = MainViewModel.Context.Products.ToList()
.Where(x => SelectedProductIDs.Contains(x.ID)).ToList();
foreach (var productToDelete in productsToDelete)
{
MainViewModel.Context.Products.Remove(productToDelete);
}
try
{
MainViewModel.Context.SaveChanges();
//Update CashInHand and Products value
MainViewModel.UpdateCashInHand();
}
catch (Exception e)
{
MessageBox.Show(("Не удалось удалить товар"), "Error",
MessageBoxButton.OK, MessageBoxImage.Error);
Logging.WriteToLog("Failed delete product. " + e.InnerException.Message);
}
MessageBox.Show("Товар удален", "Confirmation", MessageBoxButton.OK);
Update();
}