Method check

/**
 * Method to check the current record to save
 *
 * @return  boolean  True on success
 *
 * @since   1.7.0
 */
public function check()
{
    try {
        parent::check();
    } catch (\Exception $e) {
        $this->setError($e->getMessage());
        return false;
    }
    // Validate the title.
    if (trim($this->title) == '') {
        $this->setError(Text::_('JLIB_DATABASE_ERROR_VIEWLEVEL'));
        return false;
    }
    $id = (int) $this->id;
    // Check for a duplicate title.
    $db = $this->_db;
    $query = $db->getQuery(true)->select('COUNT(' . $db->quoteName('title') . ')')->from($db->quoteName('#__viewlevels'))->where($db->quoteName('title') . ' = :title')->where($db->quoteName('id') . ' != :id')->bind(':title', $this->title)->bind(':id', $id, ParameterType::INTEGER);
    $db->setQuery($query);
    if ($db->loadResult() > 0) {
        $this->setError(Text::sprintf('JLIB_DATABASE_ERROR_USERLEVEL_NAME_EXISTS', $this->title));
        return false;
    }
    return true;
}