private void BtnSave_Click(object sender, RoutedEventArgs e)
{
if (_upDownAmount.Value == null || _upDownPrice.Value == null)
{
return;
}
var item = new InvoiceItem
{
Name = _tbName.Text,
Price = _upDownPrice.Value.Value,
Amount = _upDownAmount.Value.Value,
Currency = _currency,
Unit = _cbUnit.SelectedItem as UnitOfMeasure
};
item.SetTotal();
var result = Saver.Checker(item);
if (result)
{
_items.Add(item);
Init();
}
}
public Invoice Update(Invoice model)
{
using (var context = new Context())
{
var existingParent = context.Invoices
.Where(p => p.Id == model.Id)
.Include(p => p.Items).Include(p => p.PaymentData).Include(p => p.DocumentData)
.Include(p => p.Consumer).Include(p => p.Vendor).Include(p => p.Customer)
.Include(p => p.PaymentData.PaymentMethod)
.SingleOrDefault();
if (existingParent != null)
{
// Delete children
foreach (var existingChild in existingParent.Items.ToList())
{
context.InvoicesItems.Remove(existingChild);
}
// Update and Insert children
for (var index = 0; index < model.Items.Count; index++)
{
var childModel = model.Items[index];
var newChild = new InvoiceItem()
{
Id = childModel.Id,
Name = childModel.Name,
Price = childModel.Price,
Currency = context.Currencies.FirstOrDefault(c => c.Id == childModel.Currency.Id),
Amount = childModel.Amount,
Unit = context.UnitsOfMeasure.FirstOrDefault(u => u.Id == childModel.Unit.Id),
};
newChild.SetTotal();
existingParent.Items.Add(newChild);
}
}
else
{
existingParent = model;
}
if (_cbCustomer.SelectedItem != null)
{
existingParent.Customer = context.Customers.FirstOrDefault(c => c.Id == ((Customer)_cbCustomer.SelectedItem).Id);
}
if (_cbConsumer.SelectedItem != null)
{
existingParent.Consumer = context.Consumers.FirstOrDefault(c => c.Id == ((Consumer)_cbConsumer.SelectedItem).Id);
}
else
{
existingParent.Consumer = null;
}
if (_cbVendor.SelectedItem != null)
{
existingParent.Vendor = context.Vendors.FirstOrDefault(c => c.Id == ((Vendor)_cbVendor.SelectedItem).Id);
}
if (existingParent.PaymentData == null)
{
existingParent.PaymentData = new PaymentData();
}
if (_cbPaymentMethod.SelectedItem != null)
{
existingParent.PaymentData.PaymentMethod =
context.PaymentMethods.FirstOrDefault(c =>
c.Id == ((PaymentMethod)_cbPaymentMethod.SelectedItem).Id);
}
existingParent.PaymentData.PaymentDate = DateTime.ParseExact(_lblPaymentDate.Content.ToString(), Properties.strings.dateFormat, System.Globalization.CultureInfo.InvariantCulture);
if (existingParent.DocumentData == null)
{
existingParent.DocumentData = new DocumentData();
}
existingParent.DocumentData.Date = DateTime.ParseExact(_lblDate.Content.ToString(), Properties.strings.dateFormat, System.Globalization.CultureInfo.InvariantCulture);
existingParent.DocumentData.Number = _lblNumber.Content.ToString();
existingParent.DocumentData.Place = _tbPlace.Text;
if (!_isNew)
{
context.Entry(existingParent.PaymentData).State = EntityState.Modified;
context.Entry(existingParent.DocumentData).State = EntityState.Modified;
context.Entry(existingParent).State = EntityState.Modified;
}
if (Saver.Save(existingParent, context))
{
return(existingParent);
}
else
{
return(null);
}
}
}