Method getItemsRoute

/* Items route can be without id or with id, if id, then it is a category id
 */
public static function getItemsRoute($catid = '', $catidAlias = '', $parameter = '', $value = '')
{
    $app = Factory::getApplication();
    $menu = $app->getMenu();
    $active = $menu->getActive();
    $option = $app->input->get('option', '', 'string');
    $view = $app->input->get('view', '', 'string');
    $activeId = 0;
    if (isset($active->id)) {
        $activeId = $active->id;
    }
    if ((int) $activeId > 0 && $option == 'com_phocacart') {
        if (isset($catid) && (int) $catid > 0) {
            $needles = array('items' => (int) $catid, 'category' => (int) $catid, 'categories' => (int) $activeId);
        } else {
            $needles = array('items' => '', 'category' => '', 'categories' => '');
        }
    } else {
        if (isset($catid) && (int) $catid > 0) {
            $needles = array('items' => (int) $catid, 'category' => (int) $catid, 'categories' => '');
        } else {
            $needles = array('items' => '', 'category' => '', 'categories' => '');
        }
    }
    if ($catidAlias != '') {
        $catid = $catid . ':' . $catidAlias;
    }
    if ($catid != '') {
        $link = 'index.php?option=com_phocacart&view=items&id=' . $catid;
    } else {
        if ($parameter != '' && $value != '') {
            $link = 'index.php?option=com_phocacart&view=items&' . htmlspecialchars($parameter) . '=' . htmlspecialchars($value);
        } else {
            $link = 'index.php?option=com_phocacart&view=items';
        }
    }
    return self::_buildLink($link, $needles);
}