public static function deleteCache($clientId='',$userId='') {
$i=0;
if ($clientId) {
$condition = new CDbCriteria();
$condition->addCondition('client_id <='. $clientId);
$fileCashItems = FileCache::model()->findAll($condition);
} elseif ($userId) {
$condition = new CDbCriteria();
$condition->addCondition('user_id <='. $userId);
$fileCashItems = FileCache::model()->findAll($condition);
} elseif ($clientId && $userId) {
$condition = new CDbCriteria();
$condition->addCondition('user_id <='. $userId);
$condition->addCondition('client_id <='. $clientId);
$fileCashItems = FileCache::model()->findAll($condition);
} else {
$fileCashItems = FileCache::model()->findAll();
}
//Yii::app()->db->createCommand()->truncateTable(self::model()->tableName());
foreach ($fileCashItems as $item) {
@unlink($item->path);
$item->delete();
$i++;
}
}