/**
* Whether we can perform certain action
*
* @param mixed $action_code_or_id
* @return boolean
*/
public static function can($action_code_or_id)
{
if (self::$cache_actions === null) {
self::$cache_actions = factory::model('numbers_backend_system_controller_model_actions')->get();
}
if (is_string($action_code_or_id)) {
foreach (self::$cache_actions as $k => $v) {
if ($v['sm_cntractn_code'] == $action_code_or_id) {
$action_code_or_id = $k;
break;
}
}
}
if (!isset(self::$cache_actions[$action_code_or_id])) {
throw new Exception('Unknown action!');
}
$permissions = application::get(['controller', 'acl', 'permissions']);
$start = $action_code_or_id;
do {
// see if we have permission
if (empty($permissions[$start])) {
break;
}
// we need to check permission on a parent
if (!empty(self::$cache_actions[$start]['sm_cntractn_parent_id'])) {
$start = self::$cache_actions[$start]['sm_cntractn_parent_id'];
} else {
// exit if there's no parent
return true;
}
} while (1);
return false;
}
