/**
* Get the list of child categories for a given category, is cached
*
* @param int $virtuemart_category_id Category id to check for child categories
* @return object List of objects containing the child categories
*
*/
public function getChildCategoryList($vendorId, $virtuemart_category_id, $selectedOrdering = null, $orderDir = null, $useCache = true)
{
if (empty($this) or get_class($this) != 'VirtueMartModelCategory') {
$useCache = false;
}
if ($selectedOrdering === null) {
if ($useCache) {
$selectedOrdering = $this->_selectedOrdering;
} else {
$selectedOrdering = VmConfig::get('browse_cat_orderby_field', 'category_name');
}
}
if (trim($selectedOrdering) == 'c.ordering') {
$selectedOrdering = 'c.ordering,category_name';
}
if (!in_array($selectedOrdering, self::$_validOrderingFields)) {
$selectedOrdering = 'c.ordering,category_name';
}
if ($orderDir === null) {
if ($useCache) {
$orderDir = $this->_selectedOrderingDir;
} else {
$orderDir = VmConfig::get('cat_brws_orderby_dir', 'ASC');
}
}
$validOrderingDir = array('ASC', 'DESC');
if (!in_array(strtoupper($orderDir), $validOrderingDir)) {
$orderDir = 'ASC';
}
static $_childCategoryList = array();
$key = (int) $vendorId . '_' . (int) $virtuemart_category_id . $selectedOrdering . $orderDir . VmConfig::$vmlang;
//We have here our internal key to preven calling of the cache
if (!array_key_exists($key, $_childCategoryList)) {
vmSetStartTime('com_virtuemart_cats');
if ($useCache) {
$cache = JFactory::getCache('com_virtuemart_cats', 'callback');
$cache->setCaching(true);
vmdebug('Calling cache getChildCategoryListObject');
$_childCategoryList[$key] = $cache->call(array('VirtueMartModelCategory', 'getChildCategoryListObject'), $vendorId, $virtuemart_category_id, $selectedOrdering, $orderDir, VmConfig::$vmlang);
} else {
$_childCategoryList[$key] = VirtueMartModelCategory::getChildCategoryListObject($vendorId, $virtuemart_category_id, $selectedOrdering, $orderDir, VmConfig::$vmlang);
}
vmTime('Time to load cats ' . (int) $useCache, 'com_virtuemart_cats');
}
return $_childCategoryList[$key];
}
