public function addProductAdvanced(Mage_Catalog_Model_Product $product, $request = null, $processMode = null)
{
if ($request === null) {
$request = 1;
}
if (is_numeric($request)) {
$request = new Varien_Object(array('qty' => $request));
}
if (!$request instanceof Varien_Object) {
Mage::throwException(Mage::helper('sales')->__('Invalid request for adding product to quote.'));
}
switch ($product->getTypeId()) {
case 'simple':
case 'virtual':
case 'downloadable':
case 'configurable':
case 'bundle':
$qty = $request->getQty();
if ($qty > 1) {
$request->setQty(1);
for ($i = 1; $i < $qty; $i++) {
$lineProduct = clone $product;
$lineRequest = clone $request;
$this->addProductAdvanced($lineProduct, $lineRequest, $processMode);
}
}
break;
case 'grouped':
$superGroup = $request->getSuperGroup();
foreach ($superGroup as $productId => $qty) {
if ($qty > 1) {
for ($i = 1; $i < $qty; $i++) {
$customSuperGroup = $request->getSuperGroup();
foreach ($customSuperGroup as $customProductId => $customQty) {
$customSuperGroup[$customProductId] = $customProductId === $productId ? 1 : 0;
}
$lineProduct = clone $product;
$lineRequest = clone $request;
$lineRequest->setSuperGroup($customSuperGroup);
$this->addProductAdvanced($lineProduct, $lineRequest, $processMode);
}
}
$superGroup[$productId] = $qty > 0 ? 1 : 0;
}
$request->setSuperGroup($superGroup);
break;
}
$cartCandidates = $product->getTypeInstance(true)->prepareForCartAdvanced($request, $product, $processMode);
/**
* Error message
*/
if (is_string($cartCandidates)) {
return $cartCandidates;
}
/**
* If prepare process return one object
*/
if (!is_array($cartCandidates)) {
$cartCandidates = array($cartCandidates);
}
$parentItem = null;
$errors = array();
$items = array();
foreach ($cartCandidates as $candidate) {
// Child items can be sticked together only within their parent
$stickWithinParent = $candidate->getParentProductId() ? $parentItem : null;
$candidate->setStickWithinParent($stickWithinParent);
$item = $this->_addCatalogProduct($candidate, $candidate->getCartQty());
if ($request->getResetCount() && !$stickWithinParent && $item->getId() === $request->getId()) {
$item->setData('qty', 0);
}
$items[] = $item;
/**
* As parent item we should always use the item of first added product
*/
if (!$parentItem) {
$parentItem = $item;
}
if ($parentItem && $candidate->getParentProductId()) {
$item->setParentItem($parentItem);
}
/**
* We specify qty after we know about parent (for stock)
*/
$item->addQty($candidate->getCartQty());
// collect errors instead of throwing first one
if ($item->getHasError()) {
$message = $item->getMessage();
if (!in_array($message, $errors)) {
// filter duplicate messages
$errors[] = $message;
}
}
}
if (!empty($errors)) {
Mage::throwException(implode("\n", $errors));
}
Mage::dispatchEvent('sales_quote_product_add_after', array('items' => $items));
return $item;
}
