/**
* Prepare crosssell items data
*
* @return Mage_Catalog_Block_Product_List_Crosssell
*/
protected function _prepareData()
{
$product = Mage::registry('product');
/* @var $product Mage_Catalog_Model_Product */
$this->_itemCollection = $product->getCrossSellProductCollection()->addAttributeToSelect(Mage::getSingleton('Mage_Catalog_Model_Config')->getProductAttributes())->addAttributeToSort('position', 'asc')->addStoreFilter()->setVisibility(Mage::getSingleton('Mage_Catalog_Model_Product_Visibility')->getVisibleInCatalogIds());
$this->_itemCollection->load();
foreach ($this->_itemCollection as $product) {
$product->setDoNotUseCategoryId(true);
}
return $this;
}
/**
* add join to select only in stock products
*
* @param Mage_Catalog_Model_Resource_Product_Link_Product_Collection $collection collection to add filter
*
* @return Mage_CatalogInventory_Model_Resource_Stock
*/
public function setInStockFilterToCollection($collection)
{
$this->_initConfig();
$manageStock = Mage::getStoreConfig(Mage_CatalogInventory_Model_Stock_Item::XML_PATH_MANAGE_STOCK);
$cond = array('{{table}}.use_config_manage_stock = 0 AND {{table}}.manage_stock=1 AND {{table}}.is_in_stock=1', '{{table}}.use_config_manage_stock = 0 AND {{table}}.manage_stock=0');
if ($manageStock) {
$cond[] = '{{table}}.use_config_manage_stock = 1 AND {{table}}.is_in_stock=1';
} else {
$cond[] = '{{table}}.use_config_manage_stock = 1';
}
$collection->joinField('inventory_in_stock', 'cataloginventory/stock_item', 'is_in_stock', 'product_id=entity_id', join(' AND ', array('(' . join(') OR (', $cond) . ')', $this->getReadConnection()->quoteInto('stock_id = ? ', $this->_stock->getId()))));
return $this;
}
/**
* Get current product ids
*
* @param Mage_Catalog_Model_Resource_Product_Link_Product_Collection $collection
* @param string $idFieldName
*
* @return array
*/
protected function _getProductIds($collection, $idFieldName)
{
if ($collection->getProduct() && $collection->getProduct()->getId()) {
return array($collection->getProduct()->getData($idFieldName));
}
$ids = array();
$product = Mage::registry('product');
if ($product instanceof Mage_Catalog_Model_Product) {
$ids[] = $product->getData($idFieldName);
}
if ($collection->getLinkModel()->getLinkTypeId() == Mage_Catalog_Model_Product_Link::LINK_TYPE_CROSSSELL) {
$quote = Mage::getSingleton('checkout/session')->getQuote();
foreach ($quote->getAllItems() as $item) {
if ($product = $item->getProduct()) {
$ids[] = $product->getData($idFieldName);
}
}
}
return $ids;
}
/**
* Export collection to editable array
*
* @param Mage_Catalog_Model_Resource_Product_Link_Product_Collection $collection
* @return array
*/
protected function _collectionToEditableArray($collection)
{
$result = array();
foreach ($collection as $linkedProduct) {
$result[$linkedProduct->getId()] = array();
foreach ($collection->getLinkModel()->getAttributes() as $attribute) {
$result[$linkedProduct->getId()][$attribute['code']] = $linkedProduct->getData($attribute['code']);
}
}
return $result;
}
