/**
* Check if shipping prices include tax
*
* @param null|int $store
* @return bool
*/
public function shippingPriceIncludesTax($store = null)
{
if ($this->_getDataHelper()->isAvataxEnabled($store)) {
return false;
}
return parent::shippingPriceIncludesTax($store);
}
/**
* Check if we need subtract store tax amount from shipping
*
* @deprecated after 1.4.0.0
* @param Mage_Sales_Model_Quote_Address $address
* @return bool
*/
protected function _needSubtractShippingTax($address)
{
$store = $address->getQuote()->getStore();
if ($this->_config->shippingPriceIncludesTax($store) || $this->_config->getNeedUseShippingExcludeTax()) {
return true;
}
return false;
}
/**
* Tax caclulation for shipping price
*
* @param Mage_Sales_Model_Quote_Address $address
* @param Varien_Object $taxRateRequest
* @return Mage_Tax_Model_Sales_Total_Quote
*/
protected function _calculateShippingTax(Mage_Sales_Model_Quote_Address $address, $taxRateRequest)
{
$store = $address->getQuote()->getStore();
$shippingTaxClass = $this->_config->getShippingTaxClass($store);
$shippingAmount = $address->getShippingAmount();
$baseShippingAmount = $address->getBaseShippingAmount();
$shippingDiscountAmount = $address->getShippingDiscountAmount();
$baseShippingDiscountAmount = $address->getBaseShippingDiscountAmount();
/**
* Subtract discount before calculate tax amount
*/
if ($this->_config->applyTaxAfterDiscount($store)) {
$calcAmount = $shippingAmount - $shippingDiscountAmount;
$baseCalcAmount = $baseShippingAmount - $baseShippingDiscountAmount;
} else {
$calcAmount = $shippingAmount;
$baseCalcAmount = $baseShippingAmount;
}
$shippingTax = 0;
$shippingBaseTax = 0;
if ($shippingTaxClass) {
$taxRateRequest->setProductClassId($shippingTaxClass);
$rate = $this->_calculator->getRate($taxRateRequest);
if ($rate) {
if ($this->_config->shippingPriceIncludesTax($store) && $this->_areTaxRequestsSimilar) {
$shippingTax = $this->_calculator->calcTaxAmount($calcAmount, $rate, true);
$shippingBaseTax = $this->_calculator->calcTaxAmount($baseCalcAmount, $rate, true);
$shippingAmount -= $shippingTax;
$baseShippingAmount -= $shippingBaseTax;
} else {
$shippingTax = $this->_calculator->calcTaxAmount($calcAmount, $rate);
$shippingBaseTax = $this->_calculator->calcTaxAmount($baseCalcAmount, $rate);
}
$address->setTotalAmount('shipping', $shippingAmount);
$address->setBaseTotalAmount('shipping', $baseShippingAmount);
/**
* Provide additional attributes for apply discount on price include tax
*/
if ($this->_config->discountTax($store)) {
$address->setShippingAmountForDiscount($shippingAmount + $shippingTax);
$address->setBaseShippingAmountForDiscount($baseShippingAmount + $shippingBaseTax);
}
$this->_addAmount($shippingTax);
$this->_addBaseAmount($shippingBaseTax);
$applied = $this->_calculator->getAppliedRates($taxRateRequest);
$this->_saveAppliedTaxes($address, $applied, $shippingTax, $shippingBaseTax, $rate);
}
}
$address->setShippingTaxAmount($shippingTax);
$address->setBaseShippingTaxAmount($shippingBaseTax);
return $this;
}
/**
* Check if shipping prices include tax
*
* @param mixed $store
* @return bool
*/
public function shippingPriceIncludesTax($store = null)
{
return $this->_config->shippingPriceIncludesTax($store);
}
/**
* Collect totals information about shipping
*
* @param Mage_Sales_Model_Quote_Address $address
* @return Mage_Sales_Model_Quote_Address_Total_Shipping
*/
public function collect(Mage_Sales_Model_Quote_Address $address)
{
parent::collect($address);
$calc = $this->_calculator;
$store = $address->getQuote()->getStore();
$storeTaxRequest = $calc->getRateOriginRequest($store);
$addressTaxRequest = $calc->getRateRequest($address, $address->getQuote()->getBillingAddress(), $address->getQuote()->getCustomerTaxClassId(), $store);
$shippingTaxClass = $this->_config->getShippingTaxClass($store);
$storeTaxRequest->setProductClassId($shippingTaxClass);
$addressTaxRequest->setProductClassId($shippingTaxClass);
$priceIncludesTax = $this->_config->shippingPriceIncludesTax($store);
if ($priceIncludesTax) {
$this->_areTaxRequestsSimilar = $calc->compareRequests($addressTaxRequest, $storeTaxRequest);
}
$shipping = $taxShipping = $address->getShippingAmount();
$baseShipping = $baseTaxShipping = $address->getBaseShippingAmount();
$rate = $calc->getRate($addressTaxRequest);
if ($priceIncludesTax) {
if ($this->_areTaxRequestsSimilar) {
$tax = $this->_round($calc->calcTaxAmount($shipping, $rate, true, false), $rate, true);
$baseTax = $this->_round($calc->calcTaxAmount($baseShipping, $rate, true, false), $rate, true, 'base');
$taxShipping = $shipping;
$baseTaxShipping = $baseShipping;
$shipping = $shipping - $tax;
$baseShipping = $baseShipping - $baseTax;
$taxable = $taxShipping;
$baseTaxable = $baseTaxShipping;
$isPriceInclTax = true;
} else {
$storeRate = $calc->getStoreRate($addressTaxRequest, $store);
$storeTax = $calc->calcTaxAmount($shipping, $storeRate, true, false);
$baseStoreTax = $calc->calcTaxAmount($baseShipping, $storeRate, true, false);
$shipping = $calc->round($shipping - $storeTax);
$baseShipping = $calc->round($baseShipping - $baseStoreTax);
$tax = $this->_round($calc->calcTaxAmount($shipping, $rate, false, false), $rate, false);
$baseTax = $this->_round($calc->calcTaxAmount($baseShipping, $rate, false, false), $rate, false, 'base');
$taxShipping = $shipping + $tax;
$baseTaxShipping = $baseShipping + $baseTax;
$taxable = $shipping;
$baseTaxable = $baseShipping;
$isPriceInclTax = false;
}
} else {
$tax = $this->_round($calc->calcTaxAmount($shipping, $rate, false, false), $rate, false);
$baseTax = $this->_round($calc->calcTaxAmount($baseShipping, $rate, false, false), $rate, false, 'base');
$taxShipping = $shipping + $tax;
$baseTaxShipping = $baseShipping + $baseTax;
$taxable = $shipping;
$baseTaxable = $baseShipping;
$isPriceInclTax = false;
}
$address->setTotalAmount('shipping', $shipping);
$address->setBaseTotalAmount('shipping', $baseShipping);
$address->setShippingInclTax($taxShipping);
$address->setBaseShippingInclTax($baseTaxShipping);
$address->setShippingTaxable($taxable);
$address->setBaseShippingTaxable($baseTaxable);
$address->setIsShippingInclTax($isPriceInclTax);
if ($this->_config->discountTax($store)) {
$address->setShippingAmountForDiscount($taxShipping);
$address->setBaseShippingAmountForDiscount($baseTaxShipping);
}
return $this;
}
