public function getCurrentDirection()
    {
        $dir = $this->_getData('blog_current_direction');
        if ($dir) {
            return $dir;
        }

        $directions = ['asc', 'desc'];
        $dir = strtolower($this->toolbarModel->getDirection());
        if (!$dir || !in_array($dir, $directions)) {
            $dir = $this->direction;
        }

        if ($dir != $this->direction) {
            $this->memorizeParam('sort_direction', $dir);
        }

        $this->setData('blog_current_direction', $dir);

        return $dir;
    }