Interface ITaxCalculator

Namespace: EPiServer.Commerce.Order

Assembly: Mediachase.Commerce.dll

Syntax

public interface ITaxCalculator

Examples

    /// <summary>
/// Sample implementation of <see cref="ITaxCalculator"/>.
/// </summary>
public class TaxCalculatorSample : ITaxCalculator
{
private readonly IContentRepository _contentRepository;
private readonly ReferenceConverter _referenceConverter;

public TaxCalculatorSample(IContentRepository contentRepository, ReferenceConverter referenceConverter)
{
_contentRepository = contentRepository;
_referenceConverter = referenceConverter;
}

[Obsolete("This method is no longer used, use IOrderGroupCalculator.GetTaxTotal instead.")]
public Money GetTaxTotal(IOrderGroup orderGroup, IMarket market, Currency currency)
{
return orderGroup.GetTaxTotal();
}

[Obsolete("This method is no longer used, use IOrderFormCalculator.GetTaxTotal instead.")]
public Money GetTaxTotal(IOrderForm orderForm, IMarket market, Currency currency)
{
var orderFormCalculator = ServiceLocator.Current.GetInstance<IOrderFormCalculator>();
return orderFormCalculator.GetTaxTotal(orderForm, market, currency);
}

[Obsolete("This method is no longer used, use IReturnOrderFormCalculator.GetReturnTaxTotal instead.")]
public Money GetReturnTaxTotal(IReturnOrderForm returnOrderForm, IMarket market, Currency currency)
{
var returnOrderFormCalculator = ServiceLocator.Current.GetInstance<IReturnOrderFormCalculator>();
return returnOrderFormCalculator.GetReturnTaxTotal(returnOrderForm, market, currency);
}

[Obsolete("This method is no longer used, use IShippingCalculator.GetShippingTax instead.")]
public Money GetShippingTaxTotal(IShipment shipment, IMarket market, Currency currency)
{
var shippingCalculator = ServiceLocator.Current.GetInstance<IShippingCalculator>();
return shippingCalculator.GetShippingTax(shipment, market, currency);
}

[Obsolete("This method is no longer used, use IShippingCalculator.GetShippingReturnTax instead.")]
public Money GetShippingReturnTaxTotal(IShipment shipment, IMarket market, Currency currency)
{
var shippingCalculator = ServiceLocator.Current.GetInstance<IShippingCalculator>();
return shippingCalculator.GetReturnShippingTax(shipment, market, currency);
}

public Money GetSalesTax(ILineItem lineItem, IMarket market, IOrderAddress shippingAddress, Money basePrice)
{
var taxValues = GetTaxValues(lineItem, market, shippingAddress);
var taxPercentage = (decimal)taxValues.Where(x => x.TaxType == TaxType.SalesTax).Sum(x => x.Percentage);
var pricesIncludeTax = market.PricesIncludeTax;// you might want to get the PricesIncludeTax setting from the IOrderGroup where the line item belongs to.

var salesTaxAmount = basePrice.Amount * taxPercentage / (pricesIncludeTax ? taxPercentage + 100 : 100);

return new Money(salesTaxAmount, basePrice.Currency);
}

public Money GetSalesTax(IEnumerable<ILineItem> lineItems, IMarket market, IOrderAddress shippingAddress, Currency currency)
{
var salesTaxAmount = 0m;
foreach (var lineItem in lineItems)
{
    salesTaxAmount =+ GetSalesTax(lineItem, market, shippingAddress, lineItem.GetExtendedPrice(currency)).Amount;
}
return new Money(salesTaxAmount, currency);
}

public Money GetShippingTax(ILineItem lineItem, IMarket market, IOrderAddress shippingAddress, Money basePrice)
{
var taxValues = GetTaxValues(lineItem, market, shippingAddress);
var taxPercentage = (decimal)taxValues.Where(x => x.TaxType == TaxType.ShippingTax).Sum(x => x.Percentage);
var pricesIncludeTax = market.PricesIncludeTax;// you might want to get the PricesIncludeTax setting from the IOrderGroup where the line item belongs to.

var shippingTaxAmount = basePrice.Amount * taxPercentage / (pricesIncludeTax ? taxPercentage + 100 : 100);

return new Money(shippingTaxAmount, basePrice.Currency);
}

private IEnumerable<ITaxValue> GetTaxValues(ILineItem lineItem, IMarket market, IOrderAddress shippingAddress)
{
// The tax rate depends on the shipping address - where line items will be shipped to.
if (shippingAddress == null)
{
    return Enumerable.Empty<ITaxValue>();
}

if (!lineItem.TaxCategoryId.HasValue)
{
    var entry = lineItem.GetEntryContent(_referenceConverter, _contentRepository);
    var pricingContent = entry as IPricing;
    lineItem.TaxCategoryId = pricingContent != null ? pricingContent.TaxCategoryId : null;
}

var taxCategoryId = lineItem.TaxCategoryId ?? 0;
var taxCategory = CatalogTaxManager.GetTaxCategoryNameById(taxCategoryId);

return OrderContext.Current.GetTaxes(Guid.Empty, taxCategory, market.DefaultLanguage.DisplayName, shippingAddress);
}
}

Methods

GetShippingTaxTotal(IShipment, IMarket, Currency)

Declaration

Money GetShippingTaxTotal(IShipment shipment, IMarket market, Currency currency)

Parameters

Returns

Examples

GetTaxTotal(IOrderForm, IMarket, Currency)

Declaration

Money GetTaxTotal(IOrderForm orderForm, IMarket market, Currency currency)

Parameters

Returns

Examples

GetTaxTotal(IOrderGroup, IMarket, Currency)

Declaration

Money GetTaxTotal(IOrderGroup orderGroup, IMarket market, Currency currency)

Parameters

Returns

Examples