has_access

<?
public static function has_access($class = null, $method = null, $role = 'make_magic')
{
    //static::check() + check if user is a staff member
    if ( ! static::is_staff())
    {
        return false;
    }
    //static::$account created at login <ORM object>
    if (in_array(static::$account->name, Config::get('cms.superadmins', array()), true))
    {
        return true;
    }
    $namespace = Inflector::get_namespace($class);
    $class     = Inflector::denamespace($class);
    empty($namespace) and $namespace = 'Main\\';
    $resource = $namespace.'::'.$class.'@'.$method;

    //Check cache
    if (isset(static::$roles_cache[$resource][$role]))
    {
        return static::$roles_cache[$resource][$role];
    }

    //Does the role $role is defined in given namespace?
    $role = Model_Site_Role::find()->where('namespace', $namespace)->and_where('name', $role)->get_one();
    if (empty($role))
    {
        return false;
    }

    //Find user's access information for given resource
    $access = Model_Site_Access::find()->where('account_id', static::$account->id)->and_where('resource', $resource)->get_one();
    //Chceck if user has required role
    if (in_array($role->id, $access->roles, true))
    {
        static::$roles_cache[$resource][$role] = true;

        return true;
    }
    static::$roles_cache[$resource][$role] = false;

    return false;
}