public async Task <IActionResult> Delete(UsefulLinkViewModel viewModel)
        {
            var usefulLinkViewModel = await _usefulLinkService.GetByIdAsync(viewModel.Id);

            if (usefulLinkViewModel == null)
            {
                ModelState.AddModelError("", RequestNotFound);
            }
            else
            {
                var result = await _usefulLinkService.DeleteAsync(usefulLinkViewModel.Id);

                if (result)
                {
                    return(Json(new { success = true }));
                }

                ModelState.AddModelError("", RequestNotFound);
            }

            return(PartialView("_Delete", model: viewModel));
        }