public async Task <IActionResult> OnPostCommitAsync()
{
return(await Product.ProcessAsync(ModelState, nameof(Product),
async() =>
{
await _productCommands.Update(Product.ToModel());
return RedirectToPage("./EditCategory", new { id = Product.CategoryId });
},
async() => await Task.FromResult(Page()),
async vrList =>
{
if (!string.IsNullOrEmpty(Product.Name))
{
var product = await _productQueries.GetByName(Product.Name);
if (product != null && product.Id != Product.Id)
{
vrList.Add(new ModelValidationResult(nameof(Product.Name), "Товар с таким именем уже есть"));
}
}
}
));
}
