/**
* Calculate item price including/excluding tax, row total including/excluding tax
* and subtotal including/excluding tax.
* Determine discount price if needed
*
* @param Mage_Sales_Model_Quote_Address $address
*
* @return Mage_Tax_Model_Sales_Total_Quote_Subtotal
*/
public function collect(Mage_Sales_Model_Quote_Address $address)
{
$this->_store = $address->getQuote()->getStore();
$this->_address = $address;
$this->_subtotalInclTax = 0;
$this->_baseSubtotalInclTax = 0;
$this->_subtotal = 0;
$this->_baseSubtotal = 0;
$this->_roundingDeltas = array();
$address->setSubtotalInclTax(0);
$address->setBaseSubtotalInclTax(0);
$address->setTotalAmount('subtotal', 0);
$address->setBaseTotalAmount('subtotal', 0);
$items = $this->_getAddressItems($address);
if (!$items) {
return $this;
}
$addressRequest = $this->_getAddressTaxRequest($address);
$storeRequest = $this->_getStoreTaxRequest($address);
$this->_calculator->setCustomer($address->getQuote()->getCustomer());
if ($this->_config->priceIncludesTax($this->_store)) {
$classIds = array();
foreach ($items as $item) {
$classIds[] = $item->getProduct()->getTaxClassId();
if ($item->getHasChildren()) {
foreach ($item->getChildren() as $child) {
$classIds[] = $child->getProduct()->getTaxClassId();
}
}
}
$classIds = array_unique($classIds);
$storeRequest->setProductClassId($classIds);
$addressRequest->setProductClassId($classIds);
if ($this->_helper->isCrossBorderTradeEnabled($this->_store)) {
$this->_areTaxRequestsSimilar = true;
} else {
$this->_areTaxRequestsSimilar = $this->_calculator->compareRequests($storeRequest, $addressRequest);
}
}
foreach ($items as $item) {
if ($item->getParentItem()) {
continue;
}
if ($item->getHasChildren() && $item->isChildrenCalculated()) {
foreach ($item->getChildren() as $child) {
$this->_processItem($child, $addressRequest);
}
$this->_recalculateParent($item);
} else {
$this->_processItem($item, $addressRequest);
}
$this->_addSubtotalAmount($address, $item);
}
$address->setRoundingDeltas($this->_roundingDeltas);
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);
$sameRateAsStore = $this->_helper->isCrossBorderTradeEnabled($this->_store) || $rate == $this->_calculator->getStoreRateForItem($item);
if ($sameRateAsStore && $isWeeeTaxAlreadyIncluded) {
if (!$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);
}
/**
* Get Weee amounts associated with a product
*
* @param Mage_Catalog_Model_Product $product
* @param Mage_Customer_Model_Address_Abstract $shipping
* @param Mage_Customer_Model_Address_Abstract $billing
* @param mixed $website
* @param boolean $calculateTax
* @param boolean $ignoreDiscount
* @return array|\Varien_Object
*/
public function getProductWeeeAttributes($product, $shipping = null, $billing = null, $website = null, $calculateTax = null, $ignoreDiscount = false)
{
$result = array();
$allWeee = $this->getWeeeTaxAttributeCodes();
if (!$allWeee) {
return $result;
}
$websiteId = Mage::app()->getWebsite($website)->getId();
$store = Mage::app()->getWebsite($website)->getDefaultGroup()->getDefaultStore();
$customer = null;
if ($shipping) {
$customerTaxClass = $shipping->getQuote()->getCustomerTaxClassId();
$customer = $shipping->getQuote()->getCustomer();
} else {
$customerTaxClass = null;
}
$calculator = Mage::getModel('tax/calculation');
if ($customer) {
$calculator->setCustomer($customer);
}
$rateRequest = $calculator->getRateRequest($shipping, $billing, $customerTaxClass, $store);
$currentPercent = $product->getTaxPercent();
if (!$currentPercent) {
$currentPercent = Mage::getSingleton('tax/calculation')->getRate($rateRequest->setProductClassId($product->getTaxClassId()));
}
$discountPercent = 0;
if (!$ignoreDiscount && Mage::helper('weee')->isDiscounted($store)) {
$discountPercent = $this->_getDiscountPercentForProduct($product);
}
$productAttributes = $product->getTypeInstance(true)->getSetAttributes($product);
foreach ($productAttributes as $code => $attribute) {
if (in_array($code, $allWeee)) {
$attributeSelect = $this->getResource()->getReadConnection()->select();
$attributeSelect->from($this->getResource()->getTable('weee/tax'), 'value')->where('attribute_id = ?', (int) $attribute->getId())->where('website_id IN(?)', array($websiteId, 0))->where('country = ?', $rateRequest->getCountryId())->where('state IN(?)', array($rateRequest->getRegionId(), '*'))->where('entity_id = ?', (int) $product->getId())->limit(1);
$order = array('state ' . Varien_Db_Select::SQL_DESC, 'website_id ' . Varien_Db_Select::SQL_DESC);
$attributeSelect->order($order);
$value = $this->getResource()->getReadConnection()->fetchOne($attributeSelect);
if ($value) {
if ($discountPercent) {
$value = Mage::app()->getStore()->roundPrice($value - $value * $discountPercent / 100);
}
$taxAmount = 0;
$amount = $value;
if ($calculateTax && Mage::helper('weee')->isTaxable($store)) {
if ($this->_taxHelper->isCrossBorderTradeEnabled($store)) {
$defaultPercent = $currentPercent;
} else {
$defaultRateRequest = $calculator->getDefaultRateRequest($store);
$defaultPercent = Mage::getModel('tax/calculation')->getRate($defaultRateRequest->setProductClassId($product->getTaxClassId()));
}
if (Mage::helper('weee')->isTaxIncluded($store)) {
$taxAmount = Mage::app()->getStore()->roundPrice($value / (100 + $defaultPercent) * $currentPercent);
$amount = $amount - $taxAmount;
} else {
$appliedRates = Mage::getModel('tax/calculation')->getAppliedRates($rateRequest);
if (count($appliedRates) > 1) {
$taxAmount = 0;
foreach ($appliedRates as $appliedRate) {
$taxRate = $appliedRate['percent'];
$taxAmount += Mage::app()->getStore()->roundPrice($value * $taxRate / 100);
}
} else {
$taxAmount = Mage::app()->getStore()->roundPrice($value * $currentPercent / 100);
}
}
}
$one = new Varien_Object();
$one->setName(Mage::helper('catalog')->__($attribute->getFrontend()->getLabel()))->setAmount($amount)->setTaxAmount($taxAmount)->setCode($attribute->getAttributeCode());
$result[] = $one;
}
}
}
return $result;
}
/**
* Return the default rate request. It can be either based on store address or customer address
*
* @param type $store
* @return \Varien_Object
*/
public function getDefaultRateRequest($store = null)
{
if ($this->_taxHelper->isCrossBorderTradeEnabled($store)) {
//If cross border trade is enabled, we will use customer tax rate as store tax rate
return $this->getRateRequest(null, null, null, $store);
} else {
return $this->getRateOriginRequest($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 ($priceIncludesTax) {
if ($this->_helper->isCrossBorderTradeEnabled($store)) {
$this->_areTaxRequestsSimilar = true;
} else {
$this->_areTaxRequestsSimilar = $this->_calculator->compareRequests($storeTaxRequest, $addressTaxRequest);
}
}
$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;
$address->setTotalAmount('shipping', $shipping);
$address->setBaseTotalAmount('shipping', $baseShipping);
} 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, true);
$baseTax = $this->_round($calc->calcTaxAmount($baseShipping, $rate, false, false), $rate, true, 'base');
$taxShipping = $shipping + $tax;
$baseTaxShipping = $baseShipping + $baseTax;
$taxable = $taxShipping;
$baseTaxable = $baseTaxShipping;
$isPriceInclTax = true;
$address->setTotalAmount('shipping', $shipping);
$address->setBaseTotalAmount('shipping', $baseShipping);
}
} else {
$appliedRates = $calc->getAppliedRates($addressTaxRequest);
$taxes = array();
$baseTaxes = array();
foreach ($appliedRates as $appliedRate) {
$taxRate = $appliedRate['percent'];
$taxId = $appliedRate['id'];
$taxes[] = $this->_round($calc->calcTaxAmount($shipping, $taxRate, false, false), $taxId, false);
$baseTaxes[] = $this->_round($calc->calcTaxAmount($baseShipping, $taxRate, false, false), $taxId, false, 'base');
}
$tax = array_sum($taxes);
$baseTax = array_sum($baseTaxes);
$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;
}