/**
* 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;
}
