/// <summary>
/// Attempts to modify the product pricing with tax.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="Attempt"/>.
/// </returns>
public override Attempt<IProductVariantDataModifierData> PerformTask(IProductVariantDataModifierData value)
{
var taxationContent = MerchelloContext.Gateways.Taxation;
if (!taxationContent.ProductPricingEnabled || !value.Taxable) return Attempt<IProductVariantDataModifierData>.Succeed(value);
var result = taxationContent.CalculateTaxesForProduct(value);
value.AlterProduct(result);
return Attempt<IProductVariantDataModifierData>.Succeed(value);
}
/// <summary>
/// Calculates taxes for a product.
/// </summary>
/// <param name="product">
/// The <see cref="IProductVariantDataModifierData"/>.
/// </param>
/// <returns>
/// The <see cref="ITaxCalculationResult"/>.
/// </returns>
public virtual IProductTaxCalculationResult CalculateTaxForProduct(IProductVariantDataModifierData product)
{
var baseTaxRate = TaxMethod.PercentageTaxRate;
var taxRate = baseTaxRate > 1 ? baseTaxRate / 100M : baseTaxRate;
var priceCalc = product.Price * taxRate;
var salePriceCalc = product.SalePrice * taxRate;
return(new ProductTaxCalculationResult(TaxMethod.Name, product.Price, priceCalc, product.SalePrice, salePriceCalc, baseTaxRate));
}
/// <summary>
/// Calculates taxes for a product.
/// </summary>
/// <param name="product">
/// The <see cref="IProductVariantDataModifierData"/>.
/// </param>
/// <returns>
/// The <see cref="ITaxCalculationResult"/>.
/// </returns>
public virtual IProductTaxCalculationResult CalculateTaxForProduct(IProductVariantDataModifierData product)
{
var baseTaxRate = TaxMethod.PercentageTaxRate;
var taxRate = baseTaxRate > 1 ? baseTaxRate / 100M : baseTaxRate;
var priceCalc = product.Price * taxRate;
var salePriceCalc = product.SalePrice * taxRate;
return new ProductTaxCalculationResult(TaxMethod.Name, product.Price, priceCalc, product.SalePrice, salePriceCalc, baseTaxRate);
}
/// <summary>
/// Calculates taxes based on a product.
/// </summary>
/// <param name="product">
/// The product.
/// </param>
/// <returns>
/// The <see cref="ITaxCalculationResult"/>.
/// </returns>
public IProductTaxCalculationResult CalculateTaxesForProduct(IProductVariantDataModifierData product)
{
var empty = ProductTaxCalculationResult.GetEmptyResult();
if (!ProductPricingEnabled)
{
return(empty);
}
return(this.ProductPricingTaxMethod == null ?
empty :
this.ProductPricingTaxMethod.CalculateTaxForProduct(product));
}
/// <summary>
/// Attempts to modify the product pricing with tax.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <returns>
/// The <see cref="Attempt"/>.
/// </returns>
public override Attempt <IProductVariantDataModifierData> PerformTask(IProductVariantDataModifierData value)
{
var taxationContent = MerchelloContext.Gateways.Taxation;
if (!taxationContent.ProductPricingEnabled || !value.Taxable)
{
return(Attempt <IProductVariantDataModifierData> .Succeed(value));
}
var result = taxationContent.CalculateTaxesForProduct(value);
value.AlterProduct(result);
return(Attempt <IProductVariantDataModifierData> .Succeed(value));
}
/// <summary>
/// The alters the product with taxation results.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <param name="result">
/// The result.
/// </param>
public static void AlterProduct(this IProductVariantDataModifierData value, IProductTaxCalculationResult result)
{
value.ModifyData("Price", value.Price + result.PriceResult.TaxAmount, result.PriceResult.ExtendedData);
value.ModifyData("SalePrice", value.SalePrice + result.SalePriceResult.TaxAmount, result.SalePriceResult.ExtendedData);
}
