public function createQuery($params, $queryBuilder)
    {
        $userID = $this->auth->getUser()->getId();
        if ($params instanceof Parameters) {
            $value = $params->toArray();
        } else {
            $value = $params;
        }
    
        if (isset($value['job']) && !empty($value['job'])) {
            $queryBuilder->field('job')->equals($value['job']);
        }

        if (isset($value['unread']) && !empty($value['unread'])) {
            $queryBuilder->field('readBy')->notEqual($userID);
        }

        if (isset($value['q']) && !empty($value['q'])) {
            $search = strtolower($value['q']);
            $searchPatterns = array();
    
            foreach (explode(' ', $search) as $searchItem) {
                $searchPatterns[] = new \MongoRegex('/^' . $searchItem . '/');
            }
            $queryBuilder->field('keywords')->all($searchPatterns);
        }
        
        /*
         * We only show applications to which the user has view permissions.
         * and which are not in draft mode
         */
        $queryBuilder->field('permissions.view')->equals($userID)
                     ->field('isDraft')->equals(false);

        if (!isset($value['sort'])) {
            $value['sort'] = '-date';
        }
        
        if (isset($value['status']) && 'all' != $value['status']) {
            $queryBuilder->field('status.name')->equals($value['status']);
        }
        $queryBuilder->sort($this->filterSort($value['sort']));
        
        return $queryBuilder;
    }