/**
* @param Mage_Sales_Model_Quote_Address $address
* @param Mage_SalesRule_Model_Rule $rule
* @param Mage_Sales_Model_Quote_Item_Abstract[] $allItems
* @param Mage_Sales_Model_Quote_Item_Abstract[] $validItems
*
* @return bool
*/
public function handle(Mage_Sales_Model_Quote_Address $address, Mage_SalesRule_Model_Rule $rule, array $allItems, array $validItems)
{
if ($rule->getSimpleAction() !== Mage_SalesRule_Model_Rule::BUY_X_GET_Y_ACTION) {
return false;
}
$helper = $this->getHelper();
// Get the X and Y values
$x = max(floatval($rule->getDiscountStep()), 0.0);
$y = max(floatval($rule->getDiscountAmount()), 0.0);
if ($x <= 0.0 || $y <= 0.0) {
return false;
}
// Get the discount step size
$step = $x + $y;
$applied = false;
foreach ($validItems as $item) {
// Get max quantity
$qty = $helper->getItemRuleQty($item, $rule);
// Apply discount step size limitation
$qty = max($qty - ceil($qty / $step) * $x, 0.0);
if ($qty <= 0.0) {
continue;
}
$applied = true;
// Get unit prices
$itemPrice = $helper->getItemPrice($item);
$itemBasePrice = $helper->getItemBasePrice($item);
$itemOriginalPrice = $helper->getItemOriginalPrice($item);
$itemBaseOriginalPrice = $helper->getItemBaseOriginalPrice($item);
// Calculate discount amounts
$discountAmount = $itemPrice * $qty;
$originalDiscountAmount = $itemOriginalPrice * $qty;
$baseDiscountAmount = $itemBasePrice * $qty;
$baseOriginalDiscountAmount = $itemBaseOriginalPrice * $qty;
// Round the discount amounts
$discountAmount = $helper->round($discountAmount, $address->getQuote()->getQuoteCurrencyCode());
$baseDiscountAmount = $helper->round($baseDiscountAmount, $address->getQuote()->getBaseCurrencyCode());
$originalDiscountAmount = $helper->round($originalDiscountAmount, $address->getQuote()->getQuoteCurrencyCode());
$baseOriginalDiscountAmount = $helper->round($baseOriginalDiscountAmount, $address->getQuote()->getBaseCurrencyCode());
// Update the item discounts
$item->setDiscountAmount($item->getDiscountAmount() + $discountAmount);
$item->setBaseDiscountAmount($item->getBaseDiscountAmount() + $baseDiscountAmount);
$item->setOriginalDiscountAmount($item->getOriginalDiscountAmount() + $originalDiscountAmount);
$item->setBaseOriginalDiscountAmount($item->getBaseOriginalDiscountAmount() + $baseOriginalDiscountAmount);
}
return $applied;
}
/**
* @param Mage_Sales_Model_Quote_Address $address
* @param Mage_SalesRule_Model_Rule $rule
* @param Mage_Sales_Model_Quote_Item_Abstract[] $allItems
* @param Mage_Sales_Model_Quote_Item_Abstract[] $validItems
*
* @return bool
*/
public function handle(Mage_Sales_Model_Quote_Address $address, Mage_SalesRule_Model_Rule $rule, array $allItems, array $validItems)
{
// Skip invalid rule actions
if ($rule->getSimpleAction() !== Mage_SalesRule_Model_Rule::BY_FIXED_ACTION) {
return false;
}
// Skip if there are no valid items and it's not applied to shipping
if (!count($validItems) && !$rule->getApplyToShipping()) {
return false;
}
// Define a few helpful variables
$helper = $this->getHelper();
$quote = $address->getQuote();
$store = $quote->getStore();
// Discount amount
$baseDiscountAmount = $helper->round($rule->getDiscountAmount(), $quote->getBaseCurrencyCode());
$discountAmount = $helper->round($store->convertPrice($baseDiscountAmount), $quote->getQuoteCurrencyCode());
// Skip zero discounts
if ($discountAmount <= 0.0) {
return false;
}
// Get the discount step size
$step = max(floatval($rule->getDiscountStep()), 0.0);
$applied = false;
foreach ($validItems as $item) {
// Get max quantity
$qty = $helper->getItemRuleQty($item, $rule);
// Apply discount step size limitation
if ($step > 0.0) {
$qty = floor($qty / $step) * $step;
}
// Skip zero quantities
if ($qty <= 0.0) {
continue;
}
$applied = true;
// Calculate discount amounts
$discountAmount = $discountAmount * $qty;
$baseDiscountAmount = $baseDiscountAmount * $qty;
$originalDiscountAmount = $discountAmount * $qty;
$baseOriginalDiscountAmount = $baseDiscountAmount * $qty;
// Round the discount amounts
$discountAmount = $helper->round($discountAmount, $address->getQuote()->getQuoteCurrencyCode());
$baseDiscountAmount = $helper->round($baseDiscountAmount, $address->getQuote()->getBaseCurrencyCode());
$originalDiscountAmount = $helper->round($originalDiscountAmount, $address->getQuote()->getQuoteCurrencyCode());
$baseOriginalDiscountAmount = $helper->round($baseOriginalDiscountAmount, $address->getQuote()->getBaseCurrencyCode());
// Update the item discounts
$item->setDiscountAmount($item->getDiscountAmount() + $discountAmount);
$item->setBaseDiscountAmount($item->getBaseDiscountAmount() + $baseDiscountAmount);
$item->setOriginalDiscountAmount($item->getOriginalDiscountAmount() + $originalDiscountAmount);
$item->setBaseOriginalDiscountAmount($item->getBaseOriginalDiscountAmount() + $baseOriginalDiscountAmount);
}
if ($rule->getApplyToShipping()) {
$shippingAmount = $address->getShippingAmountForDiscount();
$baseShippingAmount = $address->getBaseShippingAmountForDiscount();
if ($shippingAmount === null || $baseShippingAmount === null) {
$shippingAmount = $address->getShippingAmount();
$baseShippingAmount = $address->getBaseShippingAmount();
}
$shippingAmount -= $address->getShippingDiscountAmount();
$baseShippingAmount -= $address->getBaseShippingDiscountAmount();
$shippingDiscountAmount = min(max($discountAmount, 0.0), $shippingAmount);
$shippingBaseDiscountAmount = min(max($baseDiscountAmount, 0.0), $baseShippingAmount);
$address->setShippingDiscountAmount($address->getShippingDiscountAmount() + $shippingDiscountAmount);
$address->setBaseShippingDiscountAmount($address->getBaseShippingDiscountAmount() + $shippingBaseDiscountAmount);
$applied = true;
}
return $applied;
}
/**
* Get the items the need to be discounted based on the category ids or root category and escape bundle products from calculation
*
* @author Mohamed Meabed <*****@*****.**>
*
* @param Mage_SalesRule_Model_Rule $rule
* @param Mage_Sales_Model_Quote_Address $address
* @param Mage_Sales_Model_Quote_Address_Item $_addressItem
*
* @return array
*/
public function getItemsToDiscount($rule, $address, $_addressItem)
{
$conditions = $rule->getConditions()->getConditions();
$allowedCatIds = null;
$parsedCats = array();
$condition = null;
$_productCategories = array();
$cartCategories = array();
$catToProcess = array();
$isRootCategory = false;
$validCondition = false;
$rootCategoryId = Mage::app()->getStore()->getRootCategoryId();
$ignoreType = array('bundle');
/** @var Mage_SalesRule_Model_Rule_Condition_Address $c */
foreach ($conditions as $c) {
if (!$allowedCatIds && !$condition && $c->getData('attribute')) {
$condition = $c;
$val = $c->getValueParsed();
if (is_string($val)) {
$parsedCats = explode(',', $val);
}
if (is_array($val)) {
$parsedCats = $val;
}
if ($parsedCats && is_array($parsedCats)) {
if (in_array($rootCategoryId, $parsedCats)) {
$isRootCategory = true;
$_productCategories = array($rootCategoryId);
}
}
}
}
$items = $address->getAllVisibleItems();
$discountStep = $rule->getDiscountStep();
$i = 0;
/** @var Mage_Sales_Model_Quote_Item $item */
foreach ($items as $item) {
// Escape bundles
if (in_array($ignoreType, $item->getProductType())) {
continue;
}
if (!$isRootCategory) {
/** @var Mage_Catalog_Model_Product $_product */
$_product = Mage::getModel('catalog/product')->load($item->getProductId());
$_productCategories = $_product->getCategoryIds();
}
$validCondition = $condition->validateAttribute($_productCategories);
$cat = array_shift($_productCategories);
if ($isRootCategory || $validCondition) {
for ($x = 0; $x < $item->getQty(); $x++) {
$cartCategories[$cat][$i]['itemId'] = $item->getId();
$cartCategories[$cat][$i]['qty'] = $item->getQty();
$cartCategories[$cat][$i]['price'] = $item->getPrice();
$cartCategories[$cat][$i]['item'] = $item;
$i++;
if (count($cartCategories[$cat]) >= $discountStep) {
$catToProcess[$cat] = $cat;
}
}
}
}
$x = $rule->getDiscountStep();
$y = $rule->getDiscountAmount();
$return = array();
foreach ($catToProcess as $cat) {
$catItems = $cartCategories[$cat];
$this->aaSort($catItems, 'price');
$qtyTobeDiscounted = (int) ($i / $discountStep);
$qtyTobeDiscounted *= $y;
for ($j = 0; $j < $qtyTobeDiscounted; $j++) {
$itemDisc = array_pop($catItems);
/** @var Mage_Sales_Model_Quote_Address_Item $salesItem */
$salesItem = $itemDisc['item'];
if ($salesItem && !isset($return[$salesItem->getId()])) {
$return[$salesItem->getId()] = 0;
}
$return[$salesItem->getId()]++;
}
}
return $return;
}
/**
* @param Mage_Sales_Model_Quote_Address $address
* @param Mage_SalesRule_Model_Rule $rule
* @param Mage_Sales_Model_Quote_Item_Abstract[] $allItems
* @param Mage_Sales_Model_Quote_Item_Abstract[] $validItems
*
* @return bool
*/
public function handle(Mage_Sales_Model_Quote_Address $address, Mage_SalesRule_Model_Rule $rule, array $allItems, array $validItems)
{
// Skip invalid rule actions
if ($rule->getSimpleAction() !== Mage_SalesRule_Model_Rule::BY_PERCENT_ACTION) {
return false;
}
// Skip if there are no valid items and it's not applied to shipping
if (!count($validItems) && !$rule->getApplyToShipping()) {
return false;
}
// Define a few helpful variables
$helper = $this->getHelper();
$quote = $address->getQuote();
$store = $quote->getStore();
// Get discount percent
$discountPercent = max(min($rule->getDiscountAmount(), 100.0), 0.0);
$discountMultiplier = $discountPercent / 100;
// Skip zero discounts
if ($discountPercent <= 0.0) {
return false;
}
// Get the discount step size
$step = max(floatval($rule->getDiscountStep()), 0.0);
$applied = false;
foreach ($validItems as $item) {
// Get max quantity
$qty = $helper->getItemRuleQty($item, $rule);
// Apply discount step size limitation
if ($step > 0.0) {
$qty = floor($qty / $step) * $step;
}
// Skip zero quantities
if ($qty <= 0.0) {
continue;
}
$applied = true;
// Get row prices
$itemRowPrice = $helper->getItemPrice($item) * $qty;
$itemBaseRowPrice = $helper->getItemBasePrice($item) * $qty;
$itemOriginalRowPrice = $helper->getItemOriginalPrice($item) * $qty;
$itemBaseOriginalRowPrice = $helper->getItemBaseOriginalPrice($item) * $qty;
// Calculate discount amounts
$discountAmount = ($itemRowPrice - $item->getDiscountAmount()) * $discountMultiplier;
$baseDiscountAmount = ($itemBaseRowPrice - $item->getBaseDiscountAmount()) * $discountMultiplier;
$originalDiscountAmount = ($itemOriginalRowPrice - $item->getOriginalDiscountAmount()) * $discountMultiplier;
$baseOriginalDiscountAmount = ($itemBaseOriginalRowPrice - $item->getBaseOriginalDiscountAmount()) * $discountMultiplier;
// Round the discount amounts
$discountAmount = $helper->round($discountAmount, $address->getQuote()->getQuoteCurrencyCode());
$baseDiscountAmount = $helper->round($baseDiscountAmount, $address->getQuote()->getBaseCurrencyCode());
$originalDiscountAmount = $helper->round($originalDiscountAmount, $address->getQuote()->getQuoteCurrencyCode());
$baseOriginalDiscountAmount = $helper->round($baseOriginalDiscountAmount, $address->getQuote()->getBaseCurrencyCode());
// Update the item discounts
$item->setDiscountAmount($item->getDiscountAmount() + $discountAmount);
$item->setBaseDiscountAmount($item->getBaseDiscountAmount() + $baseDiscountAmount);
$item->setOriginalDiscountAmount($item->getOriginalDiscountAmount() + $originalDiscountAmount);
$item->setBaseOriginalDiscountAmount($item->getBaseOriginalDiscountAmount() + $baseOriginalDiscountAmount);
// Update the item percent discount value
$discountPercent = min(100, $item->getDiscountPercent() + $discountPercent);
$item->setDiscountPercent($discountPercent);
}
if ($rule->getApplyToShipping()) {
$shippingAmount = $address->getShippingAmountForDiscount();
$baseShippingAmount = $address->getBaseShippingAmountForDiscount();
if ($shippingAmount === null || $baseShippingAmount === null) {
$shippingAmount = $address->getShippingAmount();
$baseShippingAmount = $address->getBaseShippingAmount();
}
// Subtract existing discounts
$shippingAmount -= $address->getShippingDiscountAmount();
$baseShippingAmount -= $address->getBaseShippingDiscountAmount();
// Calculate and round discounts
$shippingDiscountAmount = $helper->round($shippingAmount * $discountMultiplier, $address->getQuote()->getQuoteCurrencyCode());
$shippingBaseDiscountAmount = $helper->round($baseShippingAmount * $discountMultiplier, $address->getQuote()->getBaseCurrencyCode());
// Make sure the discount isn't more that the remaining amount
$shippingDiscountAmount = min(max($shippingDiscountAmount, 0.0), $shippingAmount);
$shippingBaseDiscountAmount = min(max($shippingBaseDiscountAmount, 0.0), $baseShippingAmount);
// Store discounts
$address->setShippingDiscountAmount($address->getShippingDiscountAmount() + $shippingDiscountAmount);
$address->setBaseShippingDiscountAmount($address->getBaseShippingDiscountAmount() + $shippingBaseDiscountAmount);
$applied = true;
}
return $applied;
}