public async Task <ActionResult> Index(string shoppingCartId = null)
{
ShoppingCart cart = await _shoppingCartPersistence.Retrieve(shoppingCartId);
IDictionary <string, ProductPart> products =
await _productService.GetProductDictionary(cart.Items.Select(line => line.ProductSku));
var items = await _priceService.AddPrices(cart.Items);
ShoppingCartLineViewModel[] lines = await Task.WhenAll(items.Select(async item =>
{
ProductPart product = products[item.ProductSku];
Amount price = _priceStrategy.SelectPrice(item.Prices);
ContentItemMetadata metaData = await _contentManager.GetContentItemMetadataAsync(product);
return(new ShoppingCartLineViewModel
{
Quantity = item.Quantity,
ProductSku = item.ProductSku,
ProductName = product.ContentItem.DisplayText,
UnitPrice = price,
LinePrice = item.Quantity *price,
ProductUrl = Url.RouteUrl(metaData.DisplayRouteValues),
Attributes = item.Attributes.ToDictionary(attr => attr.AttributeName)
});
}));
var model = new ShoppingCartViewModel
{
Id = shoppingCartId,
Lines = lines,
Totals = lines.GroupBy(l => l.LinePrice.Currency).Select(g => new Amount(g.Sum(l => l.LinePrice.Value), g.Key))
};
return(View(model));
}
private Task BuildViewModel(OrderPartViewModel model, OrderPart part)
=> Task.Run(async() =>
{
model.ContentItem = part.ContentItem;
IDictionary <string, ProductPart> products =
await _productService.GetProductDictionary(part.LineItems.Select(line => line.ProductSku));
OrderLineItemViewModel[] lineItems = await Task.WhenAll(part.LineItems.Select(async lineItem =>
{
ProductPart product = products[lineItem.ProductSku];
ContentItemMetadata metaData = await _contentManager.GetContentItemMetadataAsync(product);
return(new OrderLineItemViewModel
{
Quantity = lineItem.Quantity,
ProductSku = lineItem.ProductSku,
ProductName = product.ContentItem.DisplayText,
UnitPrice = lineItem.UnitPrice,
LinePrice = lineItem.LinePrice,
ProductRouteValues = metaData.DisplayRouteValues,
Attributes = lineItem.Attributes.ToDictionary(attr => attr.Key, attr => attr.Value)
});
}));
model.LineItems = lineItems;
model.OrderPart = part;
});