public IDictionary <Chain, double> GetCartPrice(ICollection <ItemKey> selectedProducts)
{
var pricesCartByChains = new Dictionary <Chain, double>();
foreach (var chain in ChainsArchive)
{
pricesCartByChains[chain] = 0;
}
_productsCartByChain = GetProductsCartByChains(selectedProducts);
if (selectedProducts == null || !selectedProducts.Any())
{
return(pricesCartByChains);
}
foreach (var itemKey in selectedProducts)
{
foreach (var product in ProductsArchive[itemKey])
{
var selectedChain = ChainsArchive.Single(chain => chain.ChainId == product.CaindId);
if (!pricesCartByChains.ContainsKey(selectedChain))
{
pricesCartByChains[selectedChain] = 0;
}
pricesCartByChains[selectedChain] += product.ItemPrice * itemKey.Quantity;
}
}
return(pricesCartByChains);
}
private IDictionary <Chain, ICollection <Product> > GetProductsCartByChains(IEnumerable <ItemKey> selectedProducts)
{
var productsInChainDictionary = new Dictionary <Chain, ICollection <Product> >();
var allSelectedProducts = selectedProducts.SelectMany(itemKey => ProductsArchive[itemKey]);
foreach (var product in allSelectedProducts)
{
var chainModel = ChainsArchive.Single(x => x.ChainId == product.CaindId);
if (!productsInChainDictionary.ContainsKey(chainModel))
{
productsInChainDictionary[chainModel] = new List <Product>();
}
productsInChainDictionary[chainModel].Add(product);
}
return(productsInChainDictionary);
}
