private function getProductTaxClassId()
{
$proxyOrder = $this->proxyItem->getProxyOrder();
$taxRate = $this->proxyItem->getTaxRate();
$hasRatesForCountry = Mage::getSingleton('M2ePro/Magento_Tax_Helper')->hasRatesForCountry($this->quote->getShippingAddress()->getCountryId());
$calculationBasedOnOrigin = Mage::getSingleton('M2ePro/Magento_Tax_Helper')->isCalculationBasedOnOrigin($this->quote->getStore());
if ($proxyOrder->isTaxModeNone() || $proxyOrder->isTaxModeChannel() && $taxRate == 0 || $proxyOrder->isTaxModeMagento() && !$hasRatesForCountry && !$calculationBasedOnOrigin) {
return Ess_M2ePro_Model_Magento_Product::TAX_CLASS_ID_NONE;
}
if ($proxyOrder->isTaxModeMagento() || $taxRate == 0 || $taxRate == $this->getProductTaxRate()) {
return $this->getProduct()->getTaxClassId();
}
// Create tax rule according to channel tax rate
// -------------------------
/** @var $taxRuleBuilder Ess_M2ePro_Model_Magento_Tax_Rule_Builder */
$taxRuleBuilder = Mage::getModel('M2ePro/Magento_Tax_Rule_Builder');
$taxRuleBuilder->buildTaxRule($taxRate, $this->quote->getShippingAddress()->getCountryId(), $this->quote->getCustomerTaxClassId());
$taxRule = $taxRuleBuilder->getRule();
$productTaxClasses = $taxRule->getProductTaxClasses();
// -------------------------
return array_shift($productTaxClasses);
}
