doSearch example

$aggregations = null;
        if ($criteria->getAggregations()) {
            $aggregations = $this->aggregate($criteria, $salesChannelContext);
        }
        if (!RepositorySearchDetector::isSearchRequired($this->definition, $criteria)) {
            $entities = $this->read($criteria, $salesChannelContext);

            return new EntitySearchResult($this->definition->getEntityName(), $entities->count(), $entities, $aggregations, $criteria, $salesChannelContext->getContext());
        }

        $ids = $this->doSearch($criteria, $salesChannelContext);

        if (empty($ids->getIds())) {
            /** @var TEntityCollection $collection */
            $collection = $this->definition->getCollectionClass();

            return new EntitySearchResult($this->definition->getEntityName(), $ids->getTotal(), new $collection(), $aggregations, $criteria, $salesChannelContext->getContext());
        }

        $readCriteria = $criteria->cloneForRead($ids->getIds());

        $entities = $this->read($readCriteria, $salesChannelContext);