{

/**

public function getPackItems($pack, $id_lang = false)

{

if ($id_lang === false) {

$configuration = Adapter_ServiceLocator::get('Core_Business_ConfigurationInterface');

$id_lang = (int)$configuration->get('PS_LANG_DEFAULT');

}

return Pack::getItems($pack->id, $id_lang);

}

/**

public function getPacksContainingItem($item, $item_attribute_id, $id_lang = false)

{

if ($id_lang === false) {

$configuration = Adapter_ServiceLocator::get('Core_Business_ConfigurationInterface');

$id_lang = (int)$configuration->get('PS_LANG_DEFAULT');

}

return Pack::getPacksContainingItem($item->id, $item_attribute_id, $id_lang);

}

/**

public function isPack($product)

{

return Pack::isPack($product->id);

}

/**

public function isPacked($product, $id_product_attribute = false)

{

return Pack::isPacked($product->id, $id_product_attribute);

}