/**
     * Add to global filter, filters from channel
     * @param int$id
     */
    private function addChannelParameters($id)
    {
        $configuration = ChannelBlockConfiguration::getOneConfigurationsByBlock($id);
        if(!$configuration)
        {
            return;
        }

        // Add keyword parameter
        if($configuration->attribute("q") && $configuration->attribute("q") != "")
        {
            if($this->searchQuery != "")
                $this->searchQuery .= " AND ";

            $this->searchQuery .= "(".$configuration->attribute("q").")";
        }

        // add fq parameter (with taxonomies)
        if($configuration->attribute("fq") && $configuration->attribute("fq") != "")
        {
            $this->specialFilterChannel = $configuration->getSolrFq();
        }
    }