public function fetchAll($params = array())
    {
        $params  = $params->toArray();
        $options = array();

        if (isset($params['page'])) {
            $options['options']['pageSize'] = $this->pageSize;
            $options['options']['page']     = $params['page'];
        }

        foreach ($params['filter'] as $paramKey => $param) {
            switch ($paramKey) {
                case 'projectname':
                    $options['where']['projectname'] = $param;
                    break;

                case 'username':
                    $options['where']['username'] = $param;
                    break;

                case 'email':
                    $options['where']['email'] = $param;
                    break;

                default:
                    $options['filter'][$paramKey] = $param;
            }
        }

        return $this->mapper->fetchAll($options);