// TODO: (ms) (core) TESTING! Make sure it works in any case - Works for ReOrder().
public virtual async Task <bool> AddToCartAsync(AddToCartContext ctx)
{
Guard.NotNull(ctx, nameof(ctx));
// This is called when customer adds a product to cart
ctx.Customer ??= _workContext.CurrentCustomer;
ctx.StoreId ??= _storeContext.CurrentStore.Id;
ctx.Customer.ResetCheckoutData(ctx.StoreId.Value);
// Checks whether attributes have been selected
if (ctx.VariantQuery != null)
{
// Create attribute selection from product attributes
var attributes = await _productAttributeMaterializer.MaterializeProductVariantAttributesAsync(ctx.Item.AttributeSelection);
ctx.RawAttributes = ctx.Item.RawAttributes;
// Check context for bundle item errors
if (ctx.Product.ProductType == ProductType.BundledProduct && ctx.RawAttributes.HasValue())
{
ctx.Warnings.Add(T("ShoppingCart.Bundle.NoAttributes"));
if (ctx.BundleItem != null)
{
return(false);
}
}
}
if (!await _cartValidator.ValidateAccessPermissionsAsync(ctx.Customer, ctx.CartType, ctx.Warnings))
{
return(false);
}
var cartItems = await GetCartItemsAsync(ctx.Customer, ctx.CartType, ctx.StoreId.Value);
// Adds required products automatically if it is enabled
if (ctx.AutomaticallyAddRequiredProductsIfEnabled)
{
var requiredProductIds = ctx.Product.ParseRequiredProductIds();
if (requiredProductIds.Any())
{
var cartProductIds = cartItems.Select(x => x.Item.ProductId);
var missingRequiredProductIds = requiredProductIds.Except(cartProductIds);
var missingRequiredProducts = await _db.Products.GetManyAsync(missingRequiredProductIds);
foreach (var product in missingRequiredProducts)
{
var item = new ShoppingCartItem
{
CustomerEnteredPrice = ctx.CustomerEnteredPrice.Amount,
RawAttributes = ctx.AttributeSelection.AsJson(),
ShoppingCartType = ctx.CartType,
StoreId = ctx.StoreId.Value,
Quantity = ctx.Quantity,
Customer = ctx.Customer,
Product = product,
ParentItemId = product.ParentGroupedProductId,
BundleItemId = ctx.BundleItem?.Id
};
await AddItemToCartAsync(new AddToCartContext
{
Item = item,
ChildItems = ctx.ChildItems,
Customer = ctx.Customer
});
}
}
}
// Checks whether required products are still missing
await _cartValidator.ValidateRequiredProductsAsync(ctx.Product, cartItems, ctx.Warnings);
ShoppingCartItem existingCartItem = null;
if (ctx.BundleItem == null)
{
existingCartItem = cartItems.FindItemInCart(ctx.CartType, ctx.Product, ctx.AttributeSelection, ctx.CustomerEnteredPrice)?.Item;
}
// Add item to cart (if no warnings accured)
if (existingCartItem != null)
{
// Product is already in cart, find existing item
var newQuantity = ctx.Quantity + existingCartItem.Quantity;
if (!await _cartValidator.ValidateAddToCartItemAsync(ctx, existingCartItem, cartItems))
{
return(false);
}
// Update cart item
existingCartItem.Quantity = newQuantity;
existingCartItem.UpdatedOnUtc = DateTime.UtcNow;
existingCartItem.RawAttributes = ctx.AttributeSelection.AsJson();
_db.TryUpdate(ctx.Customer);
await _db.SaveChangesAsync();
}
else
{
if (!_cartValidator.ValidateItemsMaximumCartQuantity(ctx.CartType, cartItems.Count, ctx.Warnings))
{
return(false);
}
// Product is not in cart yet, create new item
var cartItem = new ShoppingCartItem
{
CustomerEnteredPrice = ctx.CustomerEnteredPrice.Amount,
RawAttributes = ctx.RawAttributes,
ShoppingCartType = ctx.CartType,
StoreId = ctx.StoreId.Value,
Quantity = ctx.Quantity,
Customer = ctx.Customer,
Product = ctx.Product,
ProductId = ctx.Product.Id,
ParentItemId = null,
BundleItemId = ctx.BundleItem?.Id
};
if (!await _cartValidator.ValidateAddToCartItemAsync(ctx, cartItem, cartItems))
{
return(false);
}
// Check whether the product is part of a bundle, the bundle item or just any item.
// If product is no child of bundle or no bundle at all
if (ctx.BundleItem == null)
{
// Set cart item as item for simple & bundle products, only if its not set by the caller
ctx.Item ??= cartItem;
}
else
{
ctx.ChildItems.Add(cartItem);
}
}
_requestCache.RemoveByPattern(CartItemsPatternKey);
// If ctx.Product is a bundle product and the setting to automatically add bundle products is true, try to add all corresponding BundleItems.
if (ctx.AutomaticallyAddBundleProductsIfEnabled &&
ctx.Product.ProductType == ProductType.BundledProduct &&
ctx.BundleItem == null &&
ctx.Warnings.Count == 0)
{
var bundleItems = await _db.ProductBundleItem
.Include(x => x.Product)
.Include(x => x.BundleProduct)
.ApplyBundledProductsFilter(new[] { ctx.Product.Id }, true)
.ToListAsync();
foreach (var bundleItem in bundleItems)
{
var bundleItemContext = new AddToCartContext
{
Warnings = new(),
Item = ctx.Item,
StoreId = ctx.StoreId,
Customer = ctx.Customer,
CartType = ctx.CartType,
BundleItem = bundleItem,
ChildItems = ctx.ChildItems,
Product = bundleItem.Product,
Quantity = bundleItem.Quantity,
VariantQuery = ctx.VariantQuery,
RawAttributes = ctx.RawAttributes,
CustomerEnteredPrice = ctx.CustomerEnteredPrice,
AutomaticallyAddRequiredProductsIfEnabled = ctx.AutomaticallyAddRequiredProductsIfEnabled,
};
// If bundleItem could not be added to the shopping cart, remove child items
if (!await AddToCartAsync(bundleItemContext))
{
ctx.ChildItems.Clear();
break;
}
}
}
// If context is no bundleItem, add item (parent) and its children (grouped product)
if ((ctx.Product.ProductType == ProductType.SimpleProduct || ctx.AutomaticallyAddBundleProductsIfEnabled) &&
ctx.BundleItem == null && ctx.Warnings.Count == 0)
{
await AddItemToCartAsync(ctx);
}
return(true);
}
public async Task <IActionResult> Index()
{
var storeId = Services.StoreContext.CurrentStore.Id;
var customer = Services.WorkContext.CurrentCustomer;
var cart = await _shoppingCartService.GetCartItemsAsync(storeId : storeId);
if (!cart.Any())
{
return(RedirectToRoute("ShoppingCart"));
}
if (customer.IsGuest() && !_orderSettings.AnonymousCheckoutAllowed)
{
return(new UnauthorizedResult());
}
customer.ResetCheckoutData(storeId);
// Validate checkout attributes.
var checkoutAttributes = customer.GenericAttributes.CheckoutAttributes;
var warnings = new List <string>();
var isValid = await _shoppingCartValidator.ValidateCartItemsAsync(cart, warnings, true, checkoutAttributes);
if (!isValid)
{
NotifyWarning(string.Join(Environment.NewLine, warnings.Take(3)));
return(RedirectToRoute("ShoppingCart"));
}
var validatingCartEvent = new ValidatingCartEvent(cart, warnings, customer);
await Services.EventPublisher.PublishAsync(validatingCartEvent);
if (validatingCartEvent.Result != null)
{
return(validatingCartEvent.Result);
}
if (warnings.Any())
{
NotifyWarning(string.Join(Environment.NewLine, warnings.Take(3)));
return(RedirectToRoute("ShoppingCart"));
}
// Validate each shopping cart item.
foreach (var cartItem in cart)
{
var ctx = new AddToCartContext
{
StoreId = storeId,
Product = cartItem.Item.Product,
BundleItem = cartItem.Item.BundleItem,
ChildItems = cartItem.ChildItems.Select(x => x.Item).ToList()
};
isValid = await _shoppingCartValidator.ValidateAddToCartItemAsync(ctx, cartItem.Item, cart);
if (!isValid)
{
warnings.AddRange(ctx.Warnings);
NotifyWarning(string.Join(Environment.NewLine, warnings.Take(3)));
return(RedirectToRoute("ShoppingCart"));
}
}
await _db.SaveChangesAsync();
return(RedirectToAction(nameof(BillingAddress)));
}