public async Task <IActionResult> Discount(ProductDiscountViewModel model)
{
if (!ModelState.IsValid)
{
return(RedirectToAction("Details", new { model.Id }));
}
Product product = await _store.GetByIdAsync(model.Id);
if (product == null)
{
return(NotFound());
}
var operation = ProductOperations.GiveDiscount(model.Discount);
if (await _authz.AuthorizeAsync(User, product, operation))
{
product.Price -= model.Discount;
await _store.UpdateAsync(product);
return(RedirectToAction("Index"));
}
return(new ChallengeResult());
}
private void ComputeViewModel()
{
this.viewModel = new ProductDiscountViewModel()
{
Price = BASE_PRICE, DiscountPercent = 0, DiscountAvailable = false
};
this.NotifyPromotionChanged();
DataContext = viewModel;
}
public ActionResult Edit(int id)
{
var viewModel = new ProductDiscountViewModel
{
ProductDiscount = _entities.ProductDiscounts.SingleOrDefault(a => a.ID == id),
};
return(View(viewModel));
}
public ActionResult Create()
{
List <Product> products = _entities.Products.Where(a => a.ProductDiscounts.Count() == 0 && a.ItemCode != null).OrderBy(a => a.ItemCode).ToList();
var viewModel = new ProductDiscountViewModel
{
ProductDiscount = new ProductDiscount(),
Products = products,
};
viewModel.ProductDiscount.DateFrom = DateTime.Today;
viewModel.ProductDiscount.DateTo = viewModel.ProductDiscount.DateFrom.AddDays(40);
viewModel.ProductDiscount.Discount = (float)0.2;
return(View(viewModel));
}
