public ActionResult Create(CreateProductRequest request)
{
if (!ModelState.IsValid)
{
return View();
}
var product = new Product
{
CategoryId = request.CategoryId,
Description = request.Description,
MSRP = request.MSRP,
Name = request.Name,
Price = request.Price,
SKU = request.SKU,
Summary = request.Summary,
LastUpdated = DateTime.UtcNow,
LastUpdatedUserId = GetUserId(this),
};
_context.Products.Add(product);
_context.SaveChanges();
TempData.SuccessMessage($"Successfully created \"{product.Name}\"");
return RedirectToAction(nameof(Index));
}
public ActionResult Add(string sku, int quantity = 1)
{
var product = _context.Products.FirstOrDefault(x => x.SKU == sku);
var cart = GetCart();
var item = cart.Items.FirstOrDefault(x => x.SKU == sku);
if (item == null)
{
item = new ShoppingCartItem
{
SKU = product?.SKU,
Name = product?.Name,
MSRP = (product?.MSRP).GetValueOrDefault(),
Price = (product?.Price).GetValueOrDefault(),
Quantity = quantity,
};
cart.Items.Add(item);
}
else
{
item.Quantity += quantity;
}
if (item.Quantity <= 0)
{
cart.Items.Remove(item);
}
try
{
_context.SaveChanges();
}
catch (DbEntityValidationException ex)
{
var errors = ex.EntityValidationErrors.SelectMany(x => x.ValidationErrors);
foreach (var error in errors)
{
ModelState.AddModelError(error.PropertyName, error.ErrorMessage);
}
}
if (!ModelState.IsValid)
{
return(View());
}
TempData["SuccessMessage"] = $"Successfully added {item.Name} to the cart";
return(RedirectToAction("Index", "Cart"));
}
public UpdateProductResponse Update(UpdateProductRequest request)
{
var existing = _context.Products.Find(request.Id);
if (existing == null)
{
return(new UpdateProductResponse
{
Success = false,
Message = $"Couldn't update product #\"{request.Id}\": product not found!",
});
}
var hasPriceChanged = existing.Price != request.Price;
existing.CategoryId = request.CategoryId;
existing.Description = request.Description;
existing.MSRP = request.MSRP;
existing.Name = request.Name;
existing.Price = request.Price;
existing.SKU = request.SKU;
existing.Summary = request.Summary;
existing.LastUpdated = DateTime.UtcNow;
_context.SaveChanges();
if (hasPriceChanged)
{
var cartsToUpdate =
_context.ShoppingCarts
.Include("Items")
.Where(cart => cart.Items.Any(x => x.SKU == request.SKU));
foreach (var cart in cartsToUpdate)
{
foreach (var cartItem in cart.Items.Where(x => x.SKU == request.SKU))
{
cartItem.Price = request.Price;
}
cart.Recalculate();
}
}
_context.SaveChanges();
return(new UpdateProductResponse
{
Success = true,
Message = $"Successfully updated \"{request.Name}\"",
});
}
public ActionResult Create([Bind(Exclude = "Id")] Product product)
{
if (!ModelState.IsValid)
{
return(View());
}
product.LastUpdated = DateTime.UtcNow;
product.LastUpdatedUserId = GetUserId(this);
_context.Products.Add(product);
_context.SaveChanges();
TempData["SuccessMessage"] =
$"Successfully created \"{product.Name}\"";
return(RedirectToAction(nameof(Index)));
}
