public bool UpdateCTDH(ChiTietDatHangViewModel model)
{
CHITIETDATHANG CTDHExit = context.CHITIETDATHANGs.FirstOrDefault(t => t.TrangThai != false && t.Id_ChiTietDatHang == model.MaChiTiet);
if (CTDHExit == null)
{
return(false);
}
CTDHExit.SoLuong = model.SoLuong;
CTDHExit.ThanhTien = model.SoLuong * CTDHExit.GiaBan;
var datHang = context.DATHANGs
.Include(t => t.CHITIETDATHANGs)
.FirstOrDefault(t => t.Id_DatHang == CTDHExit.Id_DatHang && t.TrangThai == 1);
if (datHang == null)
{
return(false);
}
//tinh tong tien
var newTongTien = datHang.CHITIETDATHANGs.Where(t => t.TrangThai != false).
Sum(t => t.SoLuong * t.GiaBan);
//update tong tien
datHang.TongTien = newTongTien;
//save
context.SaveChanges();
return(true);
}
public ActionResult UpdatectDatHang(int id, ChiTietDatHangViewModel model)
{
try
{
if (ModelState.IsValid && model?.SoLuong > 0)
{
// TODO: Add update logic here
model.MaChiTiet = id;
var result = datHang.UpdateCTDH(model);
if (result == false)
{
return(HttpNotFound());
}
return(Json("success"));
}
return(View(model));
}
catch
{
return(View());
}
}
