public function getAdsByGPSAndUserIdAndLanguageId(array $parameters, $userId, $languageId)
{
    $longitude = $parameters['longitude'];
    $latitude = $parameters['latitude'];
    $radius = sfConfig::get('app_radius', '100');
    $adIds = Doctrine_Manager::getInstance()->getCurrentConnection()->fetchColumn(
        SELECT ad_id FROM office INNER JOIN office_ads ON (office_ads.office_id=office.id)
        WHERE ST_DWithin(office_gps, ST_GeographyFromText(SRID=4326;POINT($longitude $latitude)), $radius));
    foreach ($adIds as $adId) {
        $adIds[] = Doctrine_Manager::getInstance()->getCurrentConnection()->fetchOne(
        SELECT ad.id FROM ad INNER JOIN company_category ON (ad.company_categ_id=company_category.id)
        INNER JOIN general_category ON (company_category.general_categ_id=general_category.id)
        INNER JOIN user_basket ON (user_basket.general_categ_id=general_category.id)
        WHERE user_id=$userId AND ad.id=$adId);
    }
    $ads = array();
    foreach($adIds as $adId)
        $ads[] = $this->findOneByAdIdAndLanguageId($adId, $languageId);
    return $ads;
}