private Money?GetDiscountedPrice(ICart cart, ILineItem lineItem)
{
var marketId = _currentMarket.GetCurrentMarket().MarketId;
var currency = _currencyService.GetCurrentCurrency();
if (cart.Name.Equals(_cartService.DefaultWishListName))
{
var discountedPrice = _promotionService.GetDiscountPrice(new CatalogKey(_appContext.ApplicationId, lineItem.Code), marketId, currency);
return(discountedPrice != null ? discountedPrice.UnitPrice : (Money?)null);
}
return(lineItem.GetDiscountedPrice(cart.Currency, _lineItemCalculator));
}
public Money?GetDiscountedPrice(ICart cart, ILineItem lineItem)
{
var marketId = _currentMarket.GetCurrentMarket().MarketId;
var currency = _currencyService.GetCurrentCurrency();
if (cart.Name.Equals(DefaultWishListName))
{
var discountedPrice = _promotionService.GetDiscountPrice(new CatalogKey(lineItem.Code), marketId, currency);
return(discountedPrice?.UnitPrice);
}
return(lineItem.GetDiscountedPrice(cart.Currency, _lineItemCalculator));
}
public static Prices GetPrices(ILineItem lineItem, IMarket market, IShipment shipment, Currency currency)
{
/*
* unit_price integer required
* Minor units. Includes tax, excludes discount. (max value: 100000000)
* tax_rate integer required
* Non-negative. In percent, two implicit decimals. I.e 2500 = 25%.
* total_amount integer required
* Includes tax and discount. Must match (quantity * unit_price) - total_discount_amount within �quantity. (max value: 100000000)
* total_tax_amount integer required
* Must be within �1 of total_amount - total_amount * 10000 / (10000 + tax_rate). Negative when type is discount.
* total_discount_amount integer
* Non - negative minor units. Includes tax.
*/
var taxType = TaxType.SalesTax;
// All excluding tax
var unitPrice = lineItem.PlacedPrice;
var totalPriceWithoutDiscount = lineItem.PlacedPrice * lineItem.Quantity;
var extendedPrice = lineItem.GetDiscountedPrice(currency);
var discountAmount = (totalPriceWithoutDiscount - extendedPrice);
// Tax value
var taxValues = _lineItemTaxCalculator.Service.GetTaxValuesForLineItem(lineItem, market, shipment);
var taxPercentage = taxValues
.Where(x => x.TaxType == taxType)
.Sum(x => (decimal)x.Percentage);
// Using ITaxCalculator instead of ILineItemCalculator because ILineItemCalculator
// calculates tax from the price which includes order discount amount and line item discount amount
// but should use only line item discount amount
var salesTax =
_taxCalculator.Service.GetSalesTax(lineItem, market, shipment.ShippingAddress, extendedPrice);
// Includes tax, excludes discount. (max value: 100000000)
var unitPriceIncludingTax = AmountHelper.GetAmount(
_lineItemTaxCalculator.Service.PriceIncludingTaxPercent(unitPrice, taxPercentage, market));
// Non - negative minor units. Includes tax
var totalDiscountAmount = AmountHelper.GetAmount(
_lineItemTaxCalculator.Service.PriceIncludingTaxPercent(discountAmount, taxPercentage, market));
// Includes tax and discount. Must match (quantity * unit_price) - total_discount_amount within quantity. (max value: 100000000)
var totalAmount = AmountHelper.GetAmount(
_lineItemTaxCalculator.Service.PriceIncludingTaxAmount(extendedPrice, salesTax.Amount, market));
// Non-negative. In percent, two implicit decimals. I.e 2500 = 25%.
var taxRate = AmountHelper.GetAmount(taxPercentage);
// Must be within 1 of total_amount - total_amount * 10000 / (10000 + tax_rate). Negative when type is discount.
var totalTaxAmount = AmountHelper.GetAmount(salesTax.Amount);
return(new Prices(unitPriceIncludingTax, taxRate, totalDiscountAmount, totalAmount, totalTaxAmount));
}
private static Models.LineItem ConvertToLineItem(ILineItem lineItem)
{
var defaultCurrency = Currency.USD; // Using USD as currency doesn't matter - calculation result will not use currency only amount.
return(new Models.LineItem
{
LineItemId = lineItem.LineItemId,
Code = lineItem.Code,
DisplayName = lineItem.DisplayName,
PlacedPrice = lineItem.PlacedPrice,
ExtendedPrice = lineItem.GetExtendedPrice(defaultCurrency).Amount,
DiscountedPrice = lineItem.GetDiscountedPrice(defaultCurrency).Amount,
Quantity = lineItem.Quantity,
ReturnQuantity = lineItem.ReturnQuantity,
InventoryTrackingStatus = lineItem.InventoryTrackingStatus,
IsInventoryAllocated = lineItem.IsInventoryAllocated,
IsGift = lineItem.IsGift,
Properties = lineItem.ToPropertyList()
});
}
public static (int unitPrice, int taxRate, int totalDiscountAmount, int totalAmount, int totalTaxAmount) GetPrices(ILineItem lineItem, IMarket market, IShipment shipment, Currency currency)
{
/*
* unit_price integer required
* Minor units. Includes tax, excludes discount. (max value: 100000000)
* tax_rate integer required
* Non-negative. In percent, two implicit decimals. I.e 2500 = 25%.
* total_amount integer required
* Includes tax and discount. Must match (quantity * unit_price) - total_discount_amount within �quantity. (max value: 100000000)
* total_tax_amount integer required
* Must be within �1 of total_amount - total_amount * 10000 / (10000 + tax_rate). Negative when type is discount.
* total_discount_amount integer
* Non - negative minor units. Includes tax.
*/
var taxType = TaxType.SalesTax;
// All excluding tax
var unitPrice = lineItem.PlacedPrice;
var totalPriceWithoutDiscount = lineItem.PlacedPrice * lineItem.Quantity;
var extendedPrice = lineItem.GetDiscountedPrice(currency).Amount;
var discountAmount = (totalPriceWithoutDiscount - extendedPrice);
// Tax value
var taxValues = _lineItemTaxCalculator.Service.GetTaxValuesForLineItem(lineItem, market, shipment);
var taxPercentage = taxValues
.Where(x => x.TaxType == taxType)
.Sum(x => (decimal)x.Percentage);
// Includes tax, excludes discount. (max value: 100000000)
var unitPriceIncludingTax = AmountHelper.GetAmount(_lineItemTaxCalculator.Service.PriceIncludingTax(unitPrice, taxValues, taxType));
// Non - negative minor units. Includes tax
int totalDiscountAmount = AmountHelper.GetAmount(_lineItemTaxCalculator.Service.PriceIncludingTax(discountAmount, taxValues, taxType));
// Includes tax and discount. Must match (quantity * unit_price) - total_discount_amount within quantity. (max value: 100000000)
var totalAmount = AmountHelper.GetAmount(_lineItemTaxCalculator.Service.PriceIncludingTax(extendedPrice, taxValues, taxType));
// Non-negative. In percent, two implicit decimals. I.e 2500 = 25%.
var taxRate = AmountHelper.GetAmount(taxPercentage);
// Must be within 1 of total_amount - total_amount * 10000 / (10000 + tax_rate). Negative when type is discount.
var totalTaxAmount = AmountHelper.GetAmount(_lineItemTaxCalculator.Service.GetTaxes(extendedPrice, taxValues, taxType));
return(unitPriceIncludingTax, taxRate, totalDiscountAmount, totalAmount, totalTaxAmount);
}
public Money GetDiscountedPrice(ILineItem lineItem, Currency currency)
{
return(lineItem.GetDiscountedPrice(currency, _lineItemCalculator));
}
private Money? GetDiscountedPrice(ICart cart, ILineItem lineItem)
{
var marketId = _currentMarket.GetCurrentMarket().MarketId;
var currency = _currencyService.GetCurrentCurrency();
if (cart.Name.Equals(_cartService.DefaultWishListName))
{
var discountedPrice = _promotionService.GetDiscountPrice(new CatalogKey(_appContext.ApplicationId, lineItem.Code), marketId, currency);
return discountedPrice != null ? discountedPrice.UnitPrice : (Money?)null;
}
return lineItem.GetDiscountedPrice(cart.Currency, _lineItemCalculator);
}
