public void Add(KhuyenMaiViewModel model)
{
var khuyenMai = new KHUYENMAI()
{
TenKhuyenMai = model.TenKhuyenMai,
GiaTriKhuyenMai = model.GiaTriKhuyenMai,
NgayBatDau = model.NgayBatDau,
NgayKetThuc = model.NgayKetThuc,
};
context.KHUYENMAIs.Add(khuyenMai);
context.SaveChanges();
if (model.SanPhams?.Count > 0)
{
//foreach (var item in model.SanPhams)
//{
// var sanPham = context.SANPHAMs.FirstOrDefault(t => t.Id_SanPham == item && t.TrangThai != false);
// if (sanPham == null) continue;
// sanPham.Id_KhuyenMai = khuyenMai.Id_KhuyenMai;
//}
UpdateKhuyenMaiForSanPham(model.SanPhams, khuyenMai.Id_KhuyenMai, true);
}
context.SaveChanges();
}
public ActionResult Edit(KhuyenMaiViewModel model)
{
try
{
// TODO: Add update logic here
var result = KMService.Update(model);
if (!result)
{
return(HttpNotFound());
}
return(RedirectToAction("Index"));
}
catch
{
return(View());
}
}
public ActionResult Create(KhuyenMaiViewModel collection)
{
try
{
// TODO: Add insert logic here
if (ModelState.IsValid)
{
KMService.Add(collection);
return(RedirectToAction("Index"));
}
return(View(collection));
}
catch
{
return(View());
}
}
public bool Update(KhuyenMaiViewModel khuyenMai)
{
KHUYENMAI khuyenMaiExist = context.KHUYENMAIs
.Include(t => t.SANPHAMs)
.FirstOrDefault(t => t.Id_KhuyenMai == khuyenMai.Id_KhuyenMai);
if (khuyenMaiExist == null)
{
return(false);
}
khuyenMaiExist.TenKhuyenMai = khuyenMai.TenKhuyenMai;
khuyenMaiExist.NgayBatDau = khuyenMai.NgayBatDau;
khuyenMaiExist.NgayKetThuc = khuyenMai.NgayKetThuc;
khuyenMaiExist.GiaTriKhuyenMai = khuyenMai.GiaTriKhuyenMai;
//update san pham apply
var existSanPhamIds = khuyenMaiExist.SANPHAMs.Where(t => t.TrangThai != false)
.Select(t => t.Id_SanPham).ToList();
// New
var newIds = khuyenMai.SanPhams.Except(existSanPhamIds).ToList();
if (newIds.Count > 0)
{
UpdateKhuyenMaiForSanPham(newIds, khuyenMai.Id_KhuyenMai, true);
}
// remove old
var removeIds = existSanPhamIds.Except(khuyenMai.SanPhams).ToList();
if (removeIds.Count > 0)
{
UpdateKhuyenMaiForSanPham(removeIds, khuyenMai.Id_KhuyenMai, false);
}
context.SaveChanges();
return(true);
}
