// Retrieve order item in database
public OrderItem(ChiTietDonhang ChiTiet)
{
this.ID = ChiTiet.ID;
this._Item = new Drink(ChiTiet.MonAn);
//MessageBox.Show(_Item.Price + "-");
this.Number = (int)ChiTiet.SOLUONG;
//this.Note
this.Discount = ChiTiet.GIAMGIA;
if (HasToppings(ChiTiet))
{
// TODO: need refactor
List <OrderItem> Option = ChiTiet.ChiTietDonhang1.Where(x => OrderService.IsTopping(x.MonAn.LoaiMonAn)).Select(x => new OrderItem(x)).ToList();
this.ToppingsOfItem = new ObservableCollection <OrderItem>(Option);
this.Parent = null;
}
else
{
ToppingsOfItem = null;
//Parent = ...
}
//if (HasOptions(ChiTiet))
//{
// // TODO: need refactor
// List<OrderItem> Option = ChiTiet.ChiTietDonhang1.Where(x => OrderService.IsOption(x.MonAn.LoaiMonAn)).Select(x => new OrderItem(x)).ToList();
// this.OptionsOfItem = new ObservableCollection<OrderItem>(Option);
// this.Parent = null;
//}
//else
//{
// OptionsOfItem = null;
// //Parent = ...
//}
}
public bool themChiTietDonHang(ChiTietDonhang CTDonHang)
{
if (!tonTaiDonHang(CTDonHang.MADH))
{
return(false);
}
else
{
CTDonHang.CREADTEDAT = DateTime.Now;
DataProvider.ISCreated.DB.ChiTietDonhangs.Add(CTDonHang);
DataProvider.ISCreated.DB.SaveChanges();
return(true);
}
}
// Save order item, if it is topping or option, reference to Parent ID
public ChiTietDonhang ToChiTietDonHang(int OrderID, DateTime Now)
{
if (this.Parent != null)
{
this.Number = this.Parent.Number;
}
ChiTietDonhang result = new ChiTietDonhang()
{
ID = this.ID,
MAMON = this.Item.ID,
MADH = OrderID,
SOLUONG = this.Number,
DONGIA = this.Price,
THANHTIEN = this.Price * this.Number - this.Discount,
ISDEL = 0,
CREADTEDAT = Now,
UPDATEDAT = Now,
PARENTID = (this.Parent == null) ? (int?)null : this.Parent.ID,
PARENTMADH = (this.Parent == null) ? (int?)null : OrderID
};
return(result);
}
private static bool IsDrink(ChiTietDonhang chiTietDonhang)
{
return(chiTietDonhang.ChiTietDonhang2 == null);
}
//public bool HasOptions()
//{
// return (OptionsOfItem.Count > 0);
//}
private bool HasToppings(ChiTietDonhang chiTietDonhang)
{
return(chiTietDonhang.ChiTietDonhang1.Count > 0);
}