protected async override Task MoveShoppingCartItemsToOrderItemsAsync(
PlaceOrderContainer details,
Order order
)
{
foreach (var sc in details.Cart)
{
var product = await _productService.GetProductByIdAsync(sc.ProductId);
//prices
var scUnitPrice = (await _shoppingCartService.GetUnitPriceAsync(sc, true)).unitPrice;
var(scSubTotal, discountAmount, scDiscounts, _) = await _shoppingCartService.GetSubTotalAsync(sc, true);
// var scUnitPriceInclTax =
// await _taxService.GetProductPriceAsync(product, scUnitPrice, true, details.Customer);
var scUnitPriceExclTax =
await _taxService.GetProductPriceAsync(product, scUnitPrice, false, details.Customer);
// var scSubTotalInclTax =
// await _taxService.GetProductPriceAsync(product, scSubTotal, true, details.Customer);
var scSubTotalExclTax =
await _taxService.GetProductPriceAsync(product, scSubTotal, false, details.Customer);
// custom - getting warranty tax
var(_, scSubTotalInclTax, scUnitPriceInclTax, _, _) = await _warrantyTaxService.CalculateWarrantyTaxAsync(sc, details.Customer, scSubTotalExclTax.price, scUnitPriceExclTax.price);
var discountAmountInclTax =
await _taxService.GetProductPriceAsync(product, discountAmount, true, details.Customer);
var discountAmountExclTax =
await _taxService.GetProductPriceAsync(product, discountAmount, false, details.Customer);
foreach (var disc in scDiscounts)
{
if (!_discountService.ContainsDiscount(details.AppliedDiscounts, disc))
{
details.AppliedDiscounts.Add(disc);
}
}
//attributes
var attributeDescription =
await _productAttributeFormatter.FormatAttributesAsync(product, sc.AttributesXml, details.Customer);
var itemWeight = await _shippingService.GetShoppingCartItemWeightAsync(sc);
//save order item
var orderItem = new OrderItem
{
OrderItemGuid = Guid.NewGuid(),
OrderId = order.Id,
ProductId = product.Id,
UnitPriceInclTax = scUnitPriceInclTax,
UnitPriceExclTax = scUnitPriceExclTax.price,
PriceInclTax = scSubTotalInclTax,
PriceExclTax = scSubTotalExclTax.price,
OriginalProductCost = await _priceCalculationService.GetProductCostAsync(product, sc.AttributesXml),
AttributeDescription = attributeDescription,
AttributesXml = sc.AttributesXml,
Quantity = sc.Quantity,
DiscountAmountInclTax = discountAmountInclTax.price,
DiscountAmountExclTax = discountAmountExclTax.price,
DownloadCount = 0,
IsDownloadActivated = false,
LicenseDownloadId = 0,
ItemWeight = itemWeight,
RentalStartDateUtc = sc.RentalStartDateUtc,
RentalEndDateUtc = sc.RentalEndDateUtc
};
await _orderService.InsertOrderItemAsync(orderItem);
//gift cards
await AddGiftCardsAsync(product, sc.AttributesXml, sc.Quantity, orderItem, scUnitPriceExclTax.price);
//inventory
await _productService.AdjustInventoryAsync(product, -sc.Quantity, sc.AttributesXml,
string.Format(await _localizationService.GetResourceAsync("Admin.StockQuantityHistory.Messages.PlaceOrder"), order.Id));
}
//clear shopping cart
details.Cart.ToList().ForEach(async sci => await _shoppingCartService.DeleteShoppingCartItemAsync(sci, false));
}
public override async Task <(decimal discountAmount, List <Discount> appliedDiscounts, decimal subTotalWithoutDiscount, decimal subTotalWithDiscount, SortedDictionary <decimal, decimal> taxRates)> GetShoppingCartSubTotalAsync(
IList <ShoppingCartItem> cart,
bool includingTax)
{
var discountAmount = decimal.Zero;
var appliedDiscounts = new List <Discount>();
var subTotalWithoutDiscount = decimal.Zero;
var subTotalWithDiscount = decimal.Zero;
var taxRates = new SortedDictionary <decimal, decimal>();
if (!cart.Any())
{
return(discountAmount, appliedDiscounts, subTotalWithoutDiscount, subTotalWithDiscount, taxRates);
}
//get the customer
var customer = await _customerService.GetShoppingCartCustomerAsync(cart);
//sub totals
var subTotalExclTaxWithoutDiscount = decimal.Zero;
var subTotalInclTaxWithoutDiscount = decimal.Zero;
foreach (var shoppingCartItem in cart)
{
var sciSubTotal = (await _shoppingCartService.GetSubTotalAsync(shoppingCartItem, true)).subTotal;
var product = await _productService.GetProductByIdAsync(shoppingCartItem.ProductId);
var(sciExclTax, taxRate) = await _taxService.GetProductPriceAsync(product, sciSubTotal, false, customer);
// custom
var(_, sciInclTax) = await _warrantyTaxService.CalculateWarrantyTaxAsync(shoppingCartItem, customer, sciExclTax);
subTotalExclTaxWithoutDiscount += sciExclTax;
subTotalInclTaxWithoutDiscount += sciInclTax;
//tax rates
var sciTax = sciInclTax - sciExclTax;
if (taxRate <= decimal.Zero || sciTax <= decimal.Zero)
{
continue;
}
if (!taxRates.ContainsKey(taxRate))
{
taxRates.Add(taxRate, sciTax);
}
else
{
taxRates[taxRate] = taxRates[taxRate] + sciTax;
}
}
//checkout attributes
if (customer != null)
{
var checkoutAttributesXml = await _genericAttributeService.GetAttributeAsync <string>(customer, NopCustomerDefaults.CheckoutAttributes, (await _storeContext.GetCurrentStoreAsync()).Id);
var attributeValues = _checkoutAttributeParser.ParseCheckoutAttributeValues(checkoutAttributesXml);
if (attributeValues != null)
{
await foreach (var(attribute, values) in attributeValues)
{
await foreach (var attributeValue in values)
{
var(caExclTax, taxRate) = await _taxService.GetCheckoutAttributePriceAsync(attribute, attributeValue, false, customer);
var(caInclTax, _) = await _taxService.GetCheckoutAttributePriceAsync(attribute, attributeValue, true, customer);
subTotalExclTaxWithoutDiscount += caExclTax;
subTotalInclTaxWithoutDiscount += caInclTax;
//tax rates
var caTax = caInclTax - caExclTax;
if (taxRate <= decimal.Zero || caTax <= decimal.Zero)
{
continue;
}
if (!taxRates.ContainsKey(taxRate))
{
taxRates.Add(taxRate, caTax);
}
else
{
taxRates[taxRate] = taxRates[taxRate] + caTax;
}
}
}
}
}
//subtotal without discount
subTotalWithoutDiscount = includingTax ? subTotalInclTaxWithoutDiscount : subTotalExclTaxWithoutDiscount;
if (subTotalWithoutDiscount < decimal.Zero)
{
subTotalWithoutDiscount = decimal.Zero;
}
if (_shoppingCartSettings.RoundPricesDuringCalculation)
{
subTotalWithoutDiscount = await _priceCalculationService.RoundPriceAsync(subTotalWithoutDiscount);
}
//We calculate discount amount on order subtotal excl tax (discount first)
//calculate discount amount ('Applied to order subtotal' discount)
decimal discountAmountExclTax;
(discountAmountExclTax, appliedDiscounts) = await GetOrderSubtotalDiscountAsync(customer, subTotalExclTaxWithoutDiscount);
if (subTotalExclTaxWithoutDiscount < discountAmountExclTax)
{
discountAmountExclTax = subTotalExclTaxWithoutDiscount;
}
var discountAmountInclTax = discountAmountExclTax;
//subtotal with discount (excl tax)
var subTotalExclTaxWithDiscount = subTotalExclTaxWithoutDiscount - discountAmountExclTax;
var subTotalInclTaxWithDiscount = subTotalExclTaxWithDiscount;
//add tax for shopping items & checkout attributes
var tempTaxRates = new Dictionary <decimal, decimal>(taxRates);
foreach (var kvp in tempTaxRates)
{
var taxRate = kvp.Key;
var taxValue = kvp.Value;
if (taxValue == decimal.Zero)
{
continue;
}
//discount the tax amount that applies to subtotal items
if (subTotalExclTaxWithoutDiscount > decimal.Zero)
{
var discountTax = taxRates[taxRate] * (discountAmountExclTax / subTotalExclTaxWithoutDiscount);
discountAmountInclTax += discountTax;
taxValue = taxRates[taxRate] - discountTax;
if (_shoppingCartSettings.RoundPricesDuringCalculation)
{
taxValue = await _priceCalculationService.RoundPriceAsync(taxValue);
}
taxRates[taxRate] = taxValue;
}
//subtotal with discount (incl tax)
subTotalInclTaxWithDiscount += taxValue;
}
if (_shoppingCartSettings.RoundPricesDuringCalculation)
{
discountAmountInclTax = await _priceCalculationService.RoundPriceAsync(discountAmountInclTax);
discountAmountExclTax = await _priceCalculationService.RoundPriceAsync(discountAmountExclTax);
}
if (includingTax)
{
subTotalWithDiscount = subTotalInclTaxWithDiscount;
discountAmount = discountAmountInclTax;
}
else
{
subTotalWithDiscount = subTotalExclTaxWithDiscount;
discountAmount = discountAmountExclTax;
}
if (subTotalWithDiscount < decimal.Zero)
{
subTotalWithDiscount = decimal.Zero;
}
if (_shoppingCartSettings.RoundPricesDuringCalculation)
{
subTotalWithDiscount = await _priceCalculationService.RoundPriceAsync(subTotalWithDiscount);
}
return(discountAmount, appliedDiscounts, subTotalWithoutDiscount, subTotalWithDiscount, taxRates);
}