public DetailBillItemViewModel() : base()
{
productModel = new ProductModel();
unitModel = new UnitModel();
detailBillModel = new DetailBillModel();
RemoveItemCommand = new DelegateCommand <DetailBillItemViewModel>(RemoveItem);
}
private void SaveToDatabase()
{
// save bill
BillModel.SaveToDatabase(newBill);
// save detail bill
foreach (DetailBillItemViewModel item in ListDetailBill)
{
DetailBillModel.SaveToDatabase(item.DetailBillModel);
}
}
private void SelectedProductChange(ProductModel product)
{
if (SelectedIndex == -1)
{
return;
}
if (Mouse.LeftButton == MouseButtonState.Pressed)
{
//Check if product was chosen, then update quantity
foreach (DetailBillItemViewModel item in ListDetailBill)
{
if (item.ProductName.Equals(product.Name))
{
//update quantity
item.Quantity++;
NotifyDetaillBillProperty();
return;
}
}
//Otherwise, create the bill
// model related
UnitModel unit = UnitModel.GetModelFromID(product.UnitID);
// Generate id for detaill bill
DetailBillModel detail = new DetailBillModel(DetailBillModel.GenerateID(listDetailBill.ListDetail), newBill.ID, product.ID, unit.ID, 1, product.Price);
listDetailBill.Add(new DetailBillItemViewModel(product, unit, detail));
NotifyDetaillBillProperty();
}
if (Mouse.RightButton == MouseButtonState.Pressed)
{
//Check if product was chosen, then update quantity
foreach (DetailBillItemViewModel item in ListDetailBill)
{
if (item.ProductName.Equals(product.Name))
{
//update quantity
item.Quantity--;
if (item.Quantity == 0)
{
RemoveItem(item);
}
NotifyDetaillBillProperty();
return;
}
}
}
}
private void SaveToDatabase()
{
// save bill
BillModel.SaveToDatabase(bill);
// save detail bill
foreach (DetailBillItemViewModel item in listDetailBill)
{
DetailBillModel.SaveToDatabase(item.DetailBillModel);
}
// if it a awaiting bill
if (Index >= 0)
{
ListGeneralBillModel.GetInstance().List.Remove(ListGeneralBillModel.GetInstance().List[Index]);
ListGeneralBillModel.GetInstance().NotifyListChange();
}
}
public DetailBillItemViewModel(ProductModel product, UnitModel unit, DetailBillModel detail)
{
productModel = product;
unitModel = unit;
detailBillModel = detail;
}