/**
* Returns products identified as cross-selling items for current product.
*
* @param int $limit Maximum number of items to be returned
* @param bool $available_only Whether only products with positive or unlimited stock count must be returned
*
* @return array Array of cross-selling products' data sub-arrays
*/
public function crossSelling($limit = 5, $available_only = false)
{
$cross_selling = $this->getData('cross_selling');
// upselling on (usign similar settting for type)
if ($cross_selling == 1 || $cross_selling === null) {
$type = $this->getType();
if ($type['cross_selling']) {
$collection = new shopProductsCollection($type['cross_selling'] . ($type['cross_selling'] == 'alsobought' ? '/' . $this->getId() : ''));
if ($available_only) {
$collection->addWhere('(p.count > 0 OR p.count IS NULL)');
}
if ($type['cross_selling'] != 'alsobought') {
$collection->orderBy('RAND()');
}
$result = $collection->getProducts('*', $limit);
if (isset($result[$this->getId()])) {
unset($result[$this->getId()]);
}
return $result;
} else {
return array();
}
} elseif (!$cross_selling) {
return array();
} else {
$collection = new shopProductsCollection('related/cross_selling/' . $this->getId());
if ($available_only) {
$collection->addWhere('(p.count > 0 OR p.count IS NULL)');
}
return $collection->getProducts('*', $limit);
}
}
