/**
* Aggregate row totals per tax rate in array
*
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param float $rate
* @param array $taxGroups
* @return Mage_Tax_Model_Sales_Total_Quote
*/
protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
{
$inclTax = $item->getIsPriceInclTax();
$rateKey = (string) $rate;
$taxSubtotal = $subtotal = $item->getTaxableAmount() + $item->getExtraRowTaxableAmount();
$baseTaxSubtotal = $baseSubtotal = $item->getBaseTaxableAmount() + $item->getBaseExtraRowTaxableAmount();
$item->setTaxPercent($rate);
if (!isset($taxGroups[$rateKey]['totals'])) {
$taxGroups[$rateKey]['totals'] = array();
$taxGroups[$rateKey]['base_totals'] = array();
}
$hiddenTax = null;
$baseHiddenTax = null;
switch ($this->_helper->getCalculationSequence($this->_store)) {
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
$rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
break;
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
if ($this->_helper->applyTaxOnOriginalPrice($this->_store)) {
$discount = $item->getOriginalDiscountAmount();
$baseDiscount = $item->getBaseOriginalDiscountAmount();
} else {
$discount = $item->getDiscountAmount();
$baseDiscount = $item->getBaseDiscountAmount();
}
$taxSubtotal = max($subtotal - $discount, 0);
$baseTaxSubtotal = max($baseSubtotal - $baseDiscount, 0);
$rowTax = $this->_calculator->calcTaxAmount($taxSubtotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseTaxSubtotal, $rate, $inclTax, false);
if (!$item->getNoDiscount() && $item->getWeeeTaxApplied()) {
$rowTaxBeforeDiscount = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
$baseRowTaxBeforeDiscount = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
}
if ($inclTax && $discount > 0) {
$hiddenTax = $this->_calculator->calcTaxAmount($discount, $rate, $inclTax, false);
$baseHiddenTax = $this->_calculator->calcTaxAmount($baseDiscount, $rate, $inclTax, false);
$this->_hiddenTaxes[] = array('rate_key' => $rateKey, 'qty' => 1, 'item' => $item, 'value' => $hiddenTax, 'base_value' => $baseHiddenTax, 'incl_tax' => $inclTax);
}
break;
}
$rowTax = $this->_deltaRound($rowTax, $rateKey, $inclTax);
$baseRowTax = $this->_deltaRound($baseRowTax, $rateKey, $inclTax, 'base');
$item->setTaxAmount(max(0, $rowTax));
$item->setBaseTaxAmount(max(0, $baseRowTax));
if (isset($rowTaxBeforeDiscount) && isset($baseRowTaxBeforeDiscount)) {
$taxBeforeDiscount = max(0, $this->_deltaRound($rowTaxBeforeDiscount, $rateKey, $inclTax));
$baseTaxBeforeDiscount = max(0, $this->_deltaRound($baseRowTaxBeforeDiscount, $rateKey, $inclTax, 'base'));
$item->setDiscountTaxCompensation($taxBeforeDiscount - max(0, $rowTax));
$item->setBaseDiscountTaxCompensation($baseTaxBeforeDiscount - max(0, $baseRowTax));
}
$taxGroups[$rateKey]['totals'][] = max(0, $taxSubtotal);
$taxGroups[$rateKey]['base_totals'][] = max(0, $baseTaxSubtotal);
return $this;
}
/**
* Aggregate row totals per tax rate in array
*
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param float $rate
* @param array $taxGroups
* @return Mage_Tax_Model_Sales_Total_Quote
*/
protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
{
$inclTax = $item->getIsPriceInclTax();
$rateKey = (string) $rate;
$taxSubtotal = $subtotal = $item->getTaxableAmount() + $item->getExtraRowTaxableAmount();
$baseTaxSubtotal = $baseSubtotal = $item->getBaseTaxableAmount() + $item->getBaseExtraRowTaxableAmount();
$item->setTaxPercent($rate);
if (!isset($taxGroups[$rateKey]['totals'])) {
$taxGroups[$rateKey]['totals'] = array();
$taxGroups[$rateKey]['base_totals'] = array();
}
$hiddenTax = null;
$baseHiddenTax = null;
switch ($this->_helper->getCalculationSequence($this->_store)) {
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
$rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
break;
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
$discount = $item->getDiscountAmount();
$baseDiscount = $item->getBaseDiscountAmount();
$taxSubtotal = max($subtotal - $discount, 0);
$baseTaxSubtotal = max($baseSubtotal - $baseDiscount, 0);
$rowTax = $this->_calculator->calcTaxAmount($taxSubtotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseTaxSubtotal, $rate, $inclTax, false);
break;
}
$rowTax = $this->_deltaRound($rowTax, $rateKey, $inclTax);
$baseRowTax = $this->_deltaRound($baseRowTax, $rateKey, $inclTax, 'base');
if ($inclTax && !empty($discount)) {
/**
* Becouse of delta hidden tax should be calculated based on discount amount
$hiddenTax = $item->getRowTotalInclTax() - $item->getRowTotal() - $rowTax;
$baseHiddenTax = $item->getBaseRowTotalInclTax() - $item->getBaseRowTotal() - $baseRowTax;
*/
$hiddenTax = $this->_calculator->calcTaxAmount($discount, $rate, $inclTax, false);
$hiddenTax = $this->_deltaRound($hiddenTax, $rateKey, $inclTax, 'hidden');
$baseHiddenTax = $this->_calculator->calcTaxAmount($baseDiscount, $rate, $inclTax, false);
$baseHiddenTax = $this->_deltaRound($baseHiddenTax, $rate, $inclTax, 'base_hidden');
} elseif (!empty($discount) && $discount > $subtotal) {
// case with 100% discount on price incl. tax
$hiddenTax = $discount - $subtotal;
$baseHiddenTax = $baseDiscount - $baseSubtotal;
}
$item->setTaxAmount(max(0, $rowTax));
$item->setBaseTaxAmount(max(0, $baseRowTax));
$item->setHiddenTaxAmount(max(0, $hiddenTax));
$item->setBaseHiddenTaxAmount(max(0, $baseHiddenTax));
$taxGroups[$rateKey]['totals'][] = max(0, $taxSubtotal);
$taxGroups[$rateKey]['base_totals'][] = max(0, $baseTaxSubtotal);
return $this;
}
/**
* Calculate the Weee tax based on the discount and rate
*
* @param float $rate
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param float $discountAmount
* @param float $weeeAmountIncludingTax
* @param float $weeeAmountExclTax
* @return mixed
*/
private function _getWeeeTax($rate, $item, $discountAmount, $weeeAmountIncludingTax, $weeeAmountExclTax)
{
$isWeeeTaxAlreadyIncluded = $this->_weeeHelper->isTaxIncluded($this->_store);
if ($rate == $this->_calculator->getStoreRateForItem($item) && $isWeeeTaxAlreadyIncluded) {
if (!$discountAmount || $discountAmount <= 0) {
//We want to skip the re calculation and return the difference
return max($weeeAmountIncludingTax - $weeeAmountExclTax, 0);
} else {
return $this->_calculator->calcTaxAmount($weeeAmountIncludingTax - $discountAmount, $rate, true, true);
}
}
$discountAmount = !$discountAmount ? 0 : $discountAmount;
///Regular case where weee does not have the tax and we want to calculate the tax
return $this->_calculator->calcTaxAmount($weeeAmountExclTax - $discountAmount, $rate, false, true);
}
/**
* Calculates tax amounts for the row item using $this->_calculator
*
* @param Mage_Sales_Model_Quote_Item $item
* @return $this
*/
protected function _calcTaxAmounts(&$item)
{
//@nelkaake -a 16/11/10: Calculator only works in magento 1.4 and up.
if (!Mage::helper('rewards/version')->isMageVersionAtLeast('1.4.2')) {
return $this;
}
// @nelkaake -a 16/11/10: Tax calculation methods
$tax = $this->_calculator->calcTaxAmount($item->getRowTotal(), $item->getTaxPercent(), false);
$baseTax = $this->_calculator->calcTaxAmount($item->getBaseRowTotal(), $item->getTaxPercent(), false);
$item->setTaxAmount($tax);
$item->setBaseTaxAmount($baseTax);
$item->setTaxableAmount($item->getRowTotal());
$item->setBaseTaxableAmount($item->getBaseRowTotal());
//@nelkaake -a 26/01/11: We don't set this so that we can later use the row total including tax to find out
// how much of the order was discounted due to catalog redemption rules.
$item->setRowTotalInclTax($item->getRowTotal() + $tax);
$item->setBaseRowTotalInclTax($item->getBaseRowTotal() + $baseTax);
return $this;
}
/**
* Recollect item price and row total using after taxes subtract.
* Declare item price including tax attributes
*
* @deprecated after 1.4.1
*
* @param Mage_Sales_Model_Quote_Address $address
* @param Mage_Sales_Model_Quote_Item_Abstract $item
*
* @return Mage_Tax_Model_Sales_Total_Quote_Subtotal
*/
protected function _recollectItem($address, Mage_Sales_Model_Quote_Item_Abstract $item)
{
$store = $address->getQuote()->getStore();
$request = $this->_getStoreTaxRequest($address);
$request->setProductClassId($item->getProduct()->getTaxClassId());
$rate = $this->_calculator->getRate($request);
$qty = $item->getTotalQty();
$price = $taxPrice = $item->getCalculationPriceOriginal();
$basePrice = $baseTaxPrice = $item->getBaseCalculationPriceOriginal();
$subtotal = $taxSubtotal = $item->getRowTotal();
$baseSubtotal = $baseTaxSubtotal = $item->getBaseRowTotal();
if ($this->_config->discountTax($store)) {
$item->setDiscountCalculationPrice($price);
$item->setBaseDiscountCalculationPrice($basePrice);
}
/**
* Use original price for tax calculation
*/
if ($item->hasCustomPrice() && !$this->_helper->applyTaxOnCustomPrice($store)) {
$taxPrice = $item->getOriginalPrice();
$baseTaxPrice = $item->getBaseOriginalPrice();
$taxSubtotal = $taxPrice * $qty;
$baseTaxSubtotal = $baseTaxPrice * $qty;
}
if ($this->_areTaxRequestsSimilar) {
$item->setRowTotalInclTax($subtotal);
$item->setBaseRowTotalInclTax($baseSubtotal);
$item->setPriceInclTax($price);
$item->setBasePriceInclTax($basePrice);
$item->setTaxCalcPrice($taxPrice);
$item->setBaseTaxCalcPrice($baseTaxPrice);
$item->setTaxCalcRowTotal($taxSubtotal);
$item->setBaseTaxCalcRowTotal($baseTaxSubtotal);
}
$this->_subtotalInclTax += $subtotal;
$this->_baseSubtotalInclTax += $baseSubtotal;
if ($this->_config->getAlgorithm($store) == Mage_Tax_Model_Calculation::CALC_UNIT_BASE) {
$taxAmount = $this->_calculator->calcTaxAmount($taxPrice, $rate, true);
$baseTaxAmount = $this->_calculator->calcTaxAmount($baseTaxPrice, $rate, true);
$unitPrice = $this->_calculator->round($price - $taxAmount);
$baseUnitPrice = $this->_calculator->round($basePrice - $baseTaxAmount);
$subtotal = $this->_calculator->round($unitPrice * $qty);
$baseSubtotal = $this->_calculator->round($baseUnitPrice * $qty);
} else {
$taxAmount = $this->_calculator->calcTaxAmount($taxSubtotal, $rate, true, false);
$baseTaxAmount = $this->_calculator->calcTaxAmount($baseTaxSubtotal, $rate, true, false);
$unitPrice = ($subtotal - $taxAmount) / $qty;
$baseUnitPrice = ($baseSubtotal - $baseTaxAmount) / $qty;
$subtotal = $this->_calculator->round($subtotal - $taxAmount);
$baseSubtotal = $this->_calculator->round($baseSubtotal - $baseTaxAmount);
}
if ($item->hasCustomPrice()) {
$item->setCustomPrice($unitPrice);
$item->setBaseCustomPrice($baseUnitPrice);
}
$item->setPrice($baseUnitPrice);
$item->setOriginalPrice($unitPrice);
$item->setBasePrice($baseUnitPrice);
$item->setRowTotal($subtotal);
$item->setBaseRowTotal($baseSubtotal);
return $this;
}
/**
* Calculate tax for amount
*
* @param float $price
* @param float $taxRate
* @return float
*/
protected function _calcTaxAmount($price)
{
return $this->_taxCalculationModel->calcTaxAmount($price, $this->_rate);
}
/**
* Aggregate row totals per tax rate in array
*
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param float $rate
* @param array $taxGroups
* @return Mage_Tax_Model_Sales_Total_Quote
*/
protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
{
$store = $item->getStore();
$inclTax = $this->_usePriceIncludeTax($store);
if ($inclTax) {
$subtotal = $item->getTaxCalcRowTotal();
$baseSubtotal = $item->getBaseTaxCalcRowTotal();
} else {
if ($item->hasCustomPrice() && $this->_helper->applyTaxOnCustomPrice($store)) {
$subtotal = $item->getRowTotal();
$baseSubtotal = $item->getBaseRowTotal();
} else {
$subtotal = $item->getTotalQty() * $item->getOriginalPrice();
$baseSubtotal = $item->getTotalQty() * $item->getBaseOriginalPrice();
}
}
$discountAmount = $item->getDiscountAmount();
$baseDiscountAmount = $item->getBaseDiscountAmount();
$qty = $item->getTotalQty();
$rateKey = (string) $rate;
/**
* Add extra amounts which can be taxable too
*/
$calcTotal = $subtotal + $item->getExtraRowTaxableAmount();
$baseCalcTotal = $baseSubtotal + $item->getBaseExtraRowTaxableAmount();
$item->setTaxPercent($rate);
if (!isset($taxGroups[$rateKey]['totals'])) {
$taxGroups[$rateKey]['totals'] = array();
}
if (!isset($taxGroups[$rateKey]['totals'])) {
$taxGroups[$rateKey]['base_totals'] = array();
}
$calculationSequence = $this->_helper->getCalculationSequence($store);
switch ($calculationSequence) {
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
$rowTax = $this->_calculator->calcTaxAmount($calcTotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseCalcTotal, $rate, $inclTax, false);
break;
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
$rowTax = $this->_calculator->calcTaxAmount($calcTotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseCalcTotal, $rate, $inclTax, false);
$discountPrice = $inclTax ? $subtotal / $qty : ($subtotal + $rowTax) / $qty;
$baseDiscountPrice = $inclTax ? $baseSubtotal / $qty : ($baseSubtotal + $baseRowTax) / $qty;
$item->setDiscountCalculationPrice($discountPrice);
$item->setBaseDiscountCalculationPrice($baseDiscountPrice);
break;
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
$calcTotal = $calcTotal - $discountAmount;
$baseCalcTotal = $baseCalcTotal - $baseDiscountAmount;
$rowTax = $this->_calculator->calcTaxAmount($calcTotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseCalcTotal, $rate, $inclTax, false);
break;
}
/**
* "Delta" rounding
*/
$delta = isset($this->_roundingDeltas[$rateKey]) ? $this->_roundingDeltas[$rateKey] : 0;
$baseDelta = isset($this->_baseRoundingDeltas[$rateKey]) ? $this->_baseRoundingDeltas[$rateKey] : 0;
$rowTax += $delta;
$baseRowTax += $baseDelta;
$this->_roundingDeltas[$rateKey] = $rowTax - $this->_calculator->round($rowTax);
$this->_baseRoundingDeltas[$rateKey] = $baseRowTax - $this->_calculator->round($baseRowTax);
$rowTax = $this->_calculator->round($rowTax);
$baseRowTax = $this->_calculator->round($baseRowTax);
/**
* Renew item amounts in case if we are working with price include tax
*/
if ($inclTax) {
$unitTax = $this->_calculator->round($rowTax / $qty);
$baseUnitTax = $this->_calculator->round($baseRowTax / $qty);
if ($item->hasCustomPrice()) {
$item->setCustomPrice($item->getPriceInclTax() - $unitTax);
$item->setBaseCustomPrice($item->getBasePriceInclTax() - $baseUnitTax);
} else {
$item->setOriginalPrice($item->getPriceInclTax() - $unitTax);
$item->setPrice($item->getBasePriceInclTax() - $baseUnitTax);
$item->setBasePrice($item->getBasePriceInclTax() - $baseUnitTax);
}
$item->setRowTotal($item->getRowTotalInclTax() - $rowTax);
$item->setBaseRowTotal($item->getBaseRowTotalInclTax() - $baseRowTax);
}
$item->setTaxAmount($rowTax);
$item->setBaseTaxAmount($baseRowTax);
$taxGroups[$rateKey]['totals'][] = $calcTotal;
$taxGroups[$rateKey]['base_totals'][] = $baseCalcTotal;
return $this;
}
/**
* Calculate item price and row total including/excluding tax based on row total price rounding level
*
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param Varien_Object $request
* @return Mage_Tax_Model_Sales_Total_Quote_Subtotal
*/
protected function _rowBaseCalculation($item, $request)
{
$request->setProductClassId($item->getProduct()->getTaxClassId());
$rate = $this->_calculator->getRate($request);
$qty = $item->getTotalQty();
$price = $taxPrice = $item->getCalculationPriceOriginal();
$basePrice = $baseTaxPrice = $item->getBaseCalculationPriceOriginal();
$subtotal = $taxSubtotal = $item->getRowTotal();
$baseSubtotal = $baseTaxSubtotal = $item->getBaseRowTotal();
$taxOnOrigPrice = !$this->_helper->applyTaxOnCustomPrice($this->_store) && $item->hasCustomPrice();
if ($taxOnOrigPrice) {
$origSubtotal = $item->getOriginalPrice() * $qty;
$baseOrigSubtotal = $item->getBaseOriginalPrice() * $qty;
}
$item->setTaxPercent($rate);
if ($this->_config->priceIncludesTax($this->_store)) {
if ($this->_sameRateAsStore($request)) {
$rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, true, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, true, false);
$taxPrice = $price;
$baseTaxPrice = $basePrice;
$taxSubtotal = $subtotal;
$baseTaxSubtotal = $baseSubtotal;
$subtotal = $this->_calculator->round($subtotal - $rowTax);
$baseSubtotal = $this->_calculator->round($baseSubtotal - $baseRowTax);
$price = $this->_calculator->round($subtotal / $qty);
$basePrice = $this->_calculator->round($baseSubtotal / $qty);
if ($taxOnOrigPrice) {
$taxable = $origSubtotal;
$baseTaxable = $baseOrigSubtotal;
} else {
$taxable = $taxSubtotal;
$baseTaxable = $baseTaxSubtotal;
}
$isPriceInclTax = true;
} else {
$storeRate = $this->_calculator->getStoreRate($request, $this->_store);
$storeTax = $this->_calculator->calcTaxAmount($subtotal, $storeRate, true, false);
$baseStoreTax = $this->_calculator->calcTaxAmount($baseSubtotal, $storeRate, true, false);
$subtotal = $this->_calculator->round($subtotal - $storeTax);
$baseSubtotal = $this->_calculator->round($baseSubtotal - $baseStoreTax);
$price = $this->_calculator->round($subtotal / $qty);
$basePrice = $this->_calculator->round($baseSubtotal / $qty);
$rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, false, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, false, false);
$taxSubtotal = $subtotal + $rowTax;
$baseTaxSubtotal = $baseSubtotal + $baseRowTax;
$taxPrice = $this->_calculator->round($taxSubtotal / $qty);
$baseTaxPrice = $this->_calculator->round($baseTaxSubtotal / $qty);
if ($taxOnOrigPrice) {
$taxable = $this->_calculator->round($origSubtotal - $storeTax);
$baseTaxable = $this->_calculator->round($baseOrigSubtotal - $baseStoreTax);
} else {
$taxable = $subtotal;
$baseTaxable = $baseSubtotal;
}
$isPriceInclTax = false;
}
} else {
$rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, false, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, false, false);
$taxSubtotal = $subtotal + $rowTax;
$baseTaxSubtotal = $baseSubtotal + $baseRowTax;
$taxPrice = $this->_calculator->round($taxSubtotal / $qty);
$baseTaxPrice = $this->_calculator->round($baseTaxSubtotal / $qty);
if ($taxOnOrigPrice) {
$taxable = $origSubtotal;
$baseTaxable = $baseOrigSubtotal;
} else {
$taxable = $subtotal;
$baseTaxable = $baseSubtotal;
}
$isPriceInclTax = false;
}
if ($item->hasCustomPrice()) {
/**
* Initialize item original price before declaring custom price
*/
$item->getOriginalPrice();
$item->setCustomPrice($price);
$item->setBaseCustomPrice($basePrice);
}
$item->setPrice($basePrice);
$item->setBasePrice($basePrice);
$item->setRowTotal($subtotal);
$item->setBaseRowTotal($baseSubtotal);
$item->setPriceInclTax($taxPrice);
$item->setBasePriceInclTax($baseTaxPrice);
$item->setRowTotalInclTax($taxSubtotal);
$item->setBaseRowTotalInclTax($baseTaxSubtotal);
$item->setTaxableAmount($taxable);
$item->setBaseTaxableAmount($baseTaxable);
$item->setIsPriceInclTax($isPriceInclTax);
if ($this->_config->discountTax($this->_store)) {
$item->setDiscountCalculationPrice($taxSubtotal / $qty);
$item->setBaseDiscountCalculationPrice($baseTaxSubtotal / $qty);
} elseif ($isPriceInclTax) {
$item->setDiscountCalculationPrice($subtotal / $qty);
$item->setBaseDiscountCalculationPrice($baseSubtotal / $qty);
}
return $this;
}
/**
* Aggregate row totals per tax rate in array
*
* @param Mage_Sales_Model_Quote_Item_Abstract $item
* @param float $rate
* @param array $taxGroups
* @return Mage_Tax_Model_Sales_Total_Quote
*/
protected function _aggregateTaxPerRate($item, $rate, &$taxGroups)
{
$inclTax = $item->getIsPriceInclTax();
$rateKey = (string) $rate;
$taxSubtotal = $subtotal = $item->getTaxableAmount();
$baseTaxSubtotal = $baseSubtotal = $item->getBaseTaxableAmount();
$isWeeeEnabled = $this->_weeeHelper->isEnabled();
$isWeeeTaxable = $this->_weeeHelper->isTaxable();
$item->setTaxPercent($rate);
if (!isset($taxGroups[$rateKey]['totals'])) {
$taxGroups[$rateKey]['totals'] = array();
$taxGroups[$rateKey]['base_totals'] = array();
$taxGroups[$rateKey]['weee_tax'] = array();
$taxGroups[$rateKey]['base_weee_tax'] = array();
}
$hiddenTax = null;
$baseHiddenTax = null;
switch ($this->_helper->getCalculationSequence($this->_store)) {
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_BEFORE_DISCOUNT_ON_INCL:
$rowTax = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
if ($isWeeeEnabled && $isWeeeTaxable) {
$weeeTax = $item->getWeeeTaxAppliedRowAmount() * $rate / 100;
$baseWeeeTax = $item->getBaseWeeeTaxAppliedRowAmount() * $rate / 100;
$rowTax += $weeeTax;
$baseRowTax += $baseWeeeTax;
$taxGroups[$rateKey]['weee_tax'][] = $this->_deltaRound($weeeTax, $rateKey, $inclTax);
$taxGroups[$rateKey]['base_weee_tax'][] = $this->_deltaRound($baseWeeeTax, $rateKey, $inclTax);
}
break;
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_EXCL:
case Mage_Tax_Model_Calculation::CALC_TAX_AFTER_DISCOUNT_ON_INCL:
if ($this->_helper->applyTaxOnOriginalPrice($this->_store)) {
$discount = $item->getOriginalDiscountAmount();
$baseDiscount = $item->getBaseOriginalDiscountAmount();
} else {
$discount = $item->getDiscountAmount();
$baseDiscount = $item->getBaseDiscountAmount();
}
//weee discount should be removed when calculating hidden tax
if ($isWeeeEnabled) {
$discount = $discount - $item->getWeeeDiscount();
$baseDiscount = $baseDiscount - $item->getBaseWeeeDiscount();
}
$taxSubtotal = max($subtotal - $discount, 0);
$baseTaxSubtotal = max($baseSubtotal - $baseDiscount, 0);
$rowTax = $this->_calculator->calcTaxAmount($taxSubtotal, $rate, $inclTax, false);
$baseRowTax = $this->_calculator->calcTaxAmount($baseTaxSubtotal, $rate, $inclTax, false);
if ($isWeeeEnabled && $this->_weeeHelper->isTaxable()) {
$weeeTax = ($item->getWeeeTaxAppliedRowAmount() - $item->getWeeeDiscount()) * $rate / 100;
$rowTax += $weeeTax;
$baseWeeeTax = ($item->getBaseWeeeTaxAppliedRowAmount() - $item->getBaseWeeeDiscount()) * $rate / 100;
$baseRowTax += $baseWeeeTax;
$taxGroups[$rateKey]['weee_tax'][] = $weeeTax;
$taxGroups[$rateKey]['base_weee_tax'][] = $baseWeeeTax;
}
if (!$item->getNoDiscount() && $item->getWeeeTaxApplied()) {
$rowTaxBeforeDiscount = $this->_calculator->calcTaxAmount($subtotal, $rate, $inclTax, false);
$baseRowTaxBeforeDiscount = $this->_calculator->calcTaxAmount($baseSubtotal, $rate, $inclTax, false);
if ($isWeeeTaxable) {
$rowTaxBeforeDiscount += $item->getWeeeTaxAppliedRowAmount() * $rate / 100;
$baseRowTaxBeforeDiscount += $item->getBaseWeeeTaxAppliedRowAmount() * $rate / 100;
}
}
if ($inclTax && $discount > 0) {
$hiddenTax = $this->_calculator->calcTaxAmount($discount, $rate, $inclTax, false);
$baseHiddenTax = $this->_calculator->calcTaxAmount($baseDiscount, $rate, $inclTax, false);
$this->_hiddenTaxes[] = array('rate_key' => $rateKey, 'qty' => 1, 'item' => $item, 'value' => $hiddenTax, 'base_value' => $baseHiddenTax, 'incl_tax' => $inclTax);
}
break;
}
$rowTax = $this->_deltaRound($rowTax, $rateKey, $inclTax);
$baseRowTax = $this->_deltaRound($baseRowTax, $rateKey, $inclTax, 'base');
$item->setTaxAmount(max(0, $rowTax));
$item->setBaseTaxAmount(max(0, $baseRowTax));
if (isset($rowTaxBeforeDiscount) && isset($baseRowTaxBeforeDiscount)) {
$taxBeforeDiscount = max(0, $this->_deltaRound($rowTaxBeforeDiscount, $rateKey, $inclTax, 'tax_before_discount'));
$baseTaxBeforeDiscount = max(0, $this->_deltaRound($baseRowTaxBeforeDiscount, $rateKey, $inclTax, 'tax_before_discount_base'));
$item->setDiscountTaxCompensation($taxBeforeDiscount - max(0, $rowTax));
$item->setBaseDiscountTaxCompensation($baseTaxBeforeDiscount - max(0, $baseRowTax));
}
$rowTotalInclTax = $item->getRowTotalInclTax();
if (!isset($rowTotalInclTax)) {
$weeeTaxBeforeDiscount = 0;
$baseWeeeTaxBeforeDiscount = 0;
if ($isWeeeTaxable) {
$weeeTaxBeforeDiscount = $item->getWeeeTaxAppliedRowAmount() * $rate / 100;
$baseWeeeTaxBeforeDiscount = $item->getBaseWeeeTaxAppliedRowAmount() * $rate / 100;
}
if ($this->_config->priceIncludesTax($this->_store)) {
$item->setRowTotalInclTax($subtotal + $weeeTaxBeforeDiscount);
$item->setBaseRowTotalInclTax($baseSubtotal + $baseWeeeTaxBeforeDiscount);
} else {
$taxCompensation = $item->getDiscountTaxCompensation() ? $item->getDiscountTaxCompensation() : 0;
$item->setRowTotalInclTax($subtotal + $rowTax + $taxCompensation);
$item->setBaseRowTotalInclTax($baseSubtotal + $baseRowTax + $item->getBaseDiscountTaxCompensation());
}
}
$taxGroups[$rateKey]['totals'][] = max(0, $taxSubtotal);
$taxGroups[$rateKey]['base_totals'][] = max(0, $baseTaxSubtotal);
return $this;
}
