/** * Round discount amounts and bound them to the total row price * * @param Mage_Sales_Model_Quote_Item_Abstract $item * @param string $currencyCode * @param string $baseCurrencyCode * * @return Mage_Sales_Model_Quote_Item_Abstract */ protected function fixDiscounts(Mage_Sales_Model_Quote_Item_Abstract $item, $currencyCode, $baseCurrencyCode) { // Get discount amounts $itemDiscountAmount = $item->getDiscountAmount(); $itemOriginalDiscountAmount = $item->getOriginalDiscountAmount(); $itemBaseDiscountAmount = $item->getBaseDiscountAmount(); $itemBaseOriginalDiscountAmount = $item->getBaseOriginalDiscountAmount(); // Round discount amounts $itemDiscountAmount = $this->round($itemDiscountAmount, $currencyCode); $itemOriginalDiscountAmount = $this->round($itemOriginalDiscountAmount, $currencyCode); $itemBaseDiscountAmount = $this->round($itemBaseDiscountAmount, $baseCurrencyCode); $itemBaseOriginalDiscountAmount = $this->round($itemBaseOriginalDiscountAmount, $baseCurrencyCode); // Get item unit prices $itemPrice = $this->getItemPrice($item); $baseItemPrice = $this->getItemBasePrice($item); $itemOriginalPrice = $this->getItemOriginalPrice($item); $baseItemOriginalPrice = $this->getItemBaseOriginalPrice($item); // Discount cannot exceed row total $itemDiscountAmount = min($itemDiscountAmount, $itemPrice * $item->getQty()); $itemOriginalDiscountAmount = min($itemOriginalDiscountAmount, $itemOriginalPrice * $item->getQty()); $itemBaseDiscountAmount = min($itemBaseDiscountAmount, $baseItemPrice * $item->getQty()); $itemBaseOriginalDiscountAmount = min($itemBaseOriginalDiscountAmount, $baseItemOriginalPrice * $item->getQty()); // Save fixed discount amounts $item->setDiscountAmount($itemDiscountAmount); $item->setOriginalDiscountAmount($itemOriginalDiscountAmount); $item->setBaseDiscountAmount($itemBaseDiscountAmount); $item->setBaseOriginalDiscountAmount($itemBaseOriginalDiscountAmount); return $item; }
/** * 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, $inclTax, false); if ($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)); $taxGroups[$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(); $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; }