public async Task <IActionResult> SuaSanPham(int id, SuaSanPhamViewModel model)
{
var sanpham = await context.SanPham.FindAsync(id);
sanpham.MatHangId = model.MatHangId;
sanpham.DanhMucId = model.DanhMucId;
//sanpham.DinhDang = model.DinhDang;
sanpham.DonGia = model.DonGia;
sanpham.ThuongHieuId = model.ThuongHieuId;
sanpham.TomTat = model.TomTat;
sanpham.DongDienThoaiId = model.DongDienThoaiId;
sanpham.SoLuong = model.SoLuong;
//sanpham.MauSac = model.MauSac;
sanpham.PhanTramGiamGia = model.PhanTramGiamGia;
sanpham.TenSanPham = model.TenSanPham;
//nếu muốn upload hình ảnh mới thì
if (model.uploadHinhAnh != null)
{
//lấy file cũ
var fileInfo = new FileInfo(environment.WebRootPath + "/images/SanPham/" + sanpham.HinhAnh);
if (fileInfo.Exists)//nếu trước đó có ảnh thì xóa ảnh đó đi
{
fileInfo.Delete();
}
//upload ảnh mới
sanpham.HinhAnh = await uploadHinhAnh(id, model.uploadHinhAnh);
}
context.SanPham.Update(sanpham);
await context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
public async Task <IActionResult> SuaSanPham(int?id)
{
if (!id.HasValue || await context.SanPham.FindAsync(id) == null) //tìm thông tin sản phẩm theo id)
{ //nếu không có id thì trở lại trang trước đó
return(NotFound());
}
var sanpham = await context.SanPham.FindAsync(id);
if (sanpham == null) //nếu mã số sai thì không có trang
{
return(NotFound());
}
await context.Entry(sanpham).Reference(x => x.MatHang).LoadAsync(); //load mặt hàng vào sản phẩm
await context.Entry(sanpham).Reference(x => x.DongDienThoai).LoadAsync();
await context.Entry(sanpham).Reference(x => x.DanhMuc).LoadAsync();
await context.Entry(sanpham).Reference(x => x.ThuongHieu).LoadAsync();
var model = new SuaSanPhamViewModel
{
Id = sanpham.id,
MatHangId = sanpham.MatHangId,
DongDienThoaiId = sanpham.DongDienThoaiId,
DanhMucId = sanpham.DanhMucId,
ThuongHieuId = sanpham.ThuongHieuId,
//DinhDang = sanpham.DinhDang,
DonGia = sanpham.DonGia,
TomTat = sanpham.TomTat,
TenSanPham = sanpham.TenSanPham,
SoLuong = sanpham.SoLuong,
//MauSac = sanpham.MauSac,
HinhAnh = sanpham.HinhAnh,
PhanTramGiamGia = sanpham.PhanTramGiamGia,
MatHangs = await context.MatHang.ToListAsync(),
DanhMucs = await context.DanhMuc.ToListAsync(),
ThuongHieus = await context.ThuongHieu.ToListAsync(),
DongDienThoais = await context.DongDienThoai.ToListAsync(),
};
return(View(model));
}
