/// <summary>
/// Gets tax rate
/// </summary>
/// <param name="product">Product</param>
/// <param name="taxCategoryId">Tax category identifier</param>
/// <param name="customer">Customer</param>
/// <param name="price">Price (taxable value)</param>
/// <param name="taxRate">Calculated tax rate</param>
/// <param name="isTaxable">A value indicating whether a request is taxable</param>
protected virtual void GetTaxRate(Product product, int taxCategoryId,
Customer customer, decimal price, out decimal taxRate, out bool isTaxable)
{
taxRate = decimal.Zero;
isTaxable = true;
//active tax provider
var activeTaxProvider = _taxPluginManager.LoadPrimaryPlugin(customer, _storeContext.CurrentStore.Id);
if (activeTaxProvider == null)
{
return;
}
//tax request
var taxRateRequest = PrepareTaxRateRequest(product, taxCategoryId, customer, price);
//tax exempt
if (IsTaxExempt(product, taxRateRequest.Customer))
{
isTaxable = false;
}
//make EU VAT exempt validation (the European Union Value Added Tax)
if (isTaxable &&
_taxSettings.EuVatEnabled &&
IsVatExempt(taxRateRequest.Address, taxRateRequest.Customer))
{
//VAT is not chargeable
isTaxable = false;
}
//get tax rate
var taxRateResult = activeTaxProvider.GetTaxRate(taxRateRequest);
//tax rate is calculated, now consumers can adjust it
_eventPublisher.Publish(new TaxRateCalculatedEvent(taxRateResult));
if (taxRateResult.Success)
{
//ensure that tax is equal or greater than zero
if (taxRateResult.TaxRate < decimal.Zero)
{
taxRateResult.TaxRate = decimal.Zero;
}
taxRate = taxRateResult.TaxRate;
}
else if (_taxSettings.LogErrors)
{
foreach (var error in taxRateResult.Errors)
{
_logger.Error($"{activeTaxProvider.PluginDescriptor.FriendlyName} - {error}", null, customer);
}
}
}
public void Can_load_active_taxProvider()
{
var serviceProvider = new FakeServiceProvider(_genericAttributeService.Object, _taxService, _taxSettings);
var nopEngine = new FakeNopEngine(serviceProvider);
EngineContext.Replace(nopEngine);
var provider = _taxPluginManager.LoadPrimaryPlugin();
provider.Should().NotBeNull();
EngineContext.Replace(null);
}
public void Can_load_active_taxProvider()
{
var provider = _taxPluginManager.LoadPrimaryPlugin();
provider.ShouldNotBeNull();
}
public void CanLoadActiveTaxProvider()
{
var provider = _taxPluginManager.LoadPrimaryPlugin();
provider.Should().NotBeNull();
}