/** * 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) { $taxRateRequest->setProductClassId($this->_config->getShippingTaxClass($this->_store)); $rate = $this->_calculator->getRate($taxRateRequest); $inclTax = $address->getIsShippingInclTax(); $shipping = $address->getShippingTaxable(); $baseShipping = $address->getBaseShippingTaxable(); $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: $tax = $this->_calculator->calcTaxAmount($shipping, $rate, $inclTax, false); $baseTax = $this->_calculator->calcTaxAmount($baseShipping, $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: $discountAmount = $address->getShippingDiscountAmount(); $baseDiscountAmount = $address->getBaseShippingDiscountAmount(); $tax = $this->_calculator->calcTaxAmount($shipping - $discountAmount, $rate, $inclTax, false); $baseTax = $this->_calculator->calcTaxAmount($baseShipping - $baseDiscountAmount, $rate, $inclTax, false); break; } if ($this->_config->getAlgorithm($this->_store) == Mage_Tax_Model_Calculation::CALC_TOTAL_BASE) { $tax = $this->_deltaRound($tax, $rate, $inclTax); $baseTax = $this->_deltaRound($baseTax, $rate, $inclTax, 'base'); } else { $tax = $this->_calculator->round($tax); $baseTax = $this->_calculator->round($baseTax); } if ($inclTax && !empty($discountAmount)) { $hiddenTax = $shipping - $tax - $address->getShippingAmount(); $baseHiddenTax = $baseShipping - $baseTax - $address->getBaseShippingAmount(); } $this->_addAmount(max(0, $tax)); $this->_addBaseAmount(max(0, $baseTax)); $address->setShippingTaxAmount(max(0, $tax)); $address->setBaseShippingTaxAmount(max(0, $baseTax)); $address->setShippingHiddenTaxAmount(max(0, $hiddenTax)); $address->setBaseShippingHiddenTaxAmount(max(0, $baseHiddenTax)); $address->addTotalAmount('shipping_hidden_tax', $hiddenTax); $address->addBaseTotalAmount('shipping_hidden_tax', $baseHiddenTax); $applied = $this->_calculator->getAppliedRates($taxRateRequest); $this->_saveAppliedTaxes($address, $applied, $tax, $baseTax, $rate); return $this; }
/** * Caclulate item price and row total with configured rounding level * * @param Mage_Sales_Model_Quote_Address $address * @param Mage_Sales_Model_Quote_Item_Abstract $item * @return Mage_Tax_Model_Sales_Total_Quote_Subtotal */ protected function _processItem($item, $taxRequest) { switch ($this->_config->getAlgorithm($this->_store)) { case Mage_Tax_Model_Calculation::CALC_UNIT_BASE: $this->_unitBaseCalculation($item, $taxRequest); break; case Mage_Tax_Model_Calculation::CALC_ROW_BASE: $this->_rowBaseCalculation($item, $taxRequest); break; case Mage_Tax_Model_Calculation::CALC_TOTAL_BASE: $this->_totalBaseCalculation($item, $taxRequest); break; default: break; } return $this; }
/** * Collect tax totals for quote address * * @param Mage_Sales_Model_Quote_Address $address * @return Mage_Tax_Model_Sales_Total_Quote */ public function collect(Mage_Sales_Model_Quote_Address $address) { parent::collect($address); $store = $address->getQuote()->getStore(); $customer = $address->getQuote()->getCustomer(); if ($customer) { $this->_calculator->setCustomer($customer); } if (!$address->getAppliedTaxesReset()) { $address->setAppliedTaxes(array()); } $items = $address->getAllItems(); if (!count($items)) { return $this; } $request = $this->_calculator->getRateRequest($address, $address->getQuote()->getBillingAddress(), $address->getQuote()->getCustomerTaxClassId(), $store); $this->_areTaxRequestsSimilar = $this->_calculator->compareRequests($this->_calculator->getRateOriginRequest($address->getQuote()->getStore()), $request); switch ($this->_config->getAlgorithm($store)) { case Mage_Tax_Model_Calculation::CALC_UNIT_BASE: $this->_unitBaseCalculation($address, $request); break; case Mage_Tax_Model_Calculation::CALC_ROW_BASE: $this->_rowBaseCalculation($address, $request); break; case Mage_Tax_Model_Calculation::CALC_TOTAL_BASE: $this->_totalBaseCalculation($address, $request); break; default: break; } /** * Subtract taxes from subtotal amount if prices include tax */ if ($this->_usePriceIncludeTax($store)) { $subtotal = $address->getSubtotalInclTax() - $address->getTotalAmount('tax'); $baseSubtotal = $address->getBaseSubtotalInclTax() - $address->getBaseTotalAmount('tax'); $address->setTotalAmount('subtotal', $subtotal); $address->setBaseTotalAmount('subtotal', $baseSubtotal); } $this->_addAmount($address->getExtraTaxAmount()); $this->_addBaseAmount($address->getBaseExtraTaxAmount()); $this->_calculateShippingTax($address, $request); return $this; }
/** * Calculates the weeeAmountInclTax for display purpose * * @param Mage_Sales_Model_Quote_Item_Abstract $item * @param array $appliedRates * @param bool $base */ protected function _calculateWeeeAmountInclTax($item, $appliedRates, $base = true) { foreach ($this->_weeeHelper->getApplied($item) as $tax) { $weeeAmountInclTax = 0; $weeeAmountExclTax = 0; if ($base) { $weeeAmountInclTax = isset($tax['base_amount_incl_tax']) ? $tax['base_amount_incl_tax'] : 0; $weeeAmountExclTax = isset($tax['base_amount']) ? $tax['base_amount'] : 0; $weeeRowAmountInclTax = isset($tax['base_row_amount_incl_tax']) ? $tax['base_row_amount_incl_tax'] : 0; $weeeRowAmountExclTax = isset($tax['base_row_amount']) ? $tax['base_row_amount'] : 0; } else { $weeeAmountInclTax = isset($tax['amount_incl_tax']) ? $tax['amount_incl_tax'] : 0; $weeeAmountExclTax = isset($tax['amount']) ? $tax['amount'] : 0; $weeeRowAmountInclTax = isset($tax['row_amount_incl_tax']) ? $tax['row_amount_incl_tax'] : 0; $weeeRowAmountExclTax = isset($tax['row_amount']) ? $tax['row_amount'] : 0; } $weeeTax = array(); $weeeRowTax = array(); foreach ($appliedRates as $appliedRate) { $rate = $appliedRate['percent']; $weeeTax[] = $this->_getWeeeTax($rate, $item, 0, $weeeAmountInclTax, $weeeAmountExclTax); $weeeRowTax[] = $this->_getWeeeTax($rate, $item, 0, $weeeRowAmountInclTax, $weeeRowAmountExclTax); } //We want to update the tax calculated on Weee to the Item with out discount for display purpose $weeeAmountInclTax = array_sum($weeeTax) + $weeeAmountExclTax; $weeeRowAmountInclTax = array_sum($weeeRowTax) + $weeeRowAmountExclTax; $calculationMethod = $this->_config->getAlgorithm($this->_store); if ($calculationMethod == Mage_Tax_Model_Calculation::CALC_UNIT_BASE) { $weeeRowAmountInclTax = $this->_calculator->round($weeeAmountInclTax * $item->getQty()); } else { $weeeAmountInclTax = $this->_calculator->round($weeeRowAmountInclTax / $item->getQty()); } if ($base) { $this->_weeeHelper->setWeeeTaxesAppliedProperty($item, $tax['title'], 'base_amount_incl_tax', $weeeAmountInclTax); $this->_weeeHelper->setWeeeTaxesAppliedProperty($item, $tax['title'], 'base_row_amount_incl_tax', $weeeRowAmountInclTax); } else { $this->_weeeHelper->setWeeeTaxesAppliedProperty($item, $tax['title'], 'amount_incl_tax', $weeeAmountInclTax); $this->_weeeHelper->setWeeeTaxesAppliedProperty($item, $tax['title'], 'row_amount_incl_tax', $weeeRowAmountInclTax); } } return; }
/** * 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; }
/** * Get tax calculation algorithm code * * @param null|int $store * @return string */ public function getCalculationAgorithm($store = null) { return $this->_config->getAlgorithm($store); }