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<?php |
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/* |
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* This file is part of the FOSElasticaBundle package. |
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* |
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* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FOS\ElasticaBundle\Subscriber; |
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use FOS\ElasticaBundle\Paginator\PaginatorAdapterInterface; |
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use FOS\ElasticaBundle\Paginator\PartialResultsInterface; |
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use Knp\Component\Pager\Event\ItemsEvent; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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class PaginateElasticaQuerySubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var RequestStack |
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*/ |
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private $requestStack; |
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public function __construct(RequestStack $requestStack) |
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{ |
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$this->requestStack = $requestStack; |
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} |
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public function items(ItemsEvent $event) |
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{ |
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if ($event->target instanceof PaginatorAdapterInterface) { |
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// Add sort to query |
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$this->setSorting($event); |
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/** @var $results PartialResultsInterface */ |
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$results = $event->target->getResults($event->getOffset(), $event->getLimit()); |
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$event->count = $results->getTotalHits(); |
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$event->items = $results->toArray(); |
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$aggregations = $results->getAggregations(); |
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if (null != $aggregations) { |
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$event->setCustomPaginationParameter('aggregations', $aggregations); |
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} |
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$event->stopPropagation(); |
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} |
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} |
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/** |
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* @return array |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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'knp_pager.items' => ['items', 1], |
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]; |
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} |
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/** |
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* Adds knp paging sort to query. |
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* |
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* @param ItemsEvent $event |
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*/ |
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protected function setSorting(ItemsEvent $event) |
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{ |
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$options = $event->options; |
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$sortField = $this->getFromRequest($options['sortFieldParameterName']); |
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if (!$sortField && isset($options['defaultSortFieldName'])) { |
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$sortField = $options['defaultSortFieldName']; |
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} |
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if (!empty($sortField)) { |
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$event->target->getQuery()->setSort([ |
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$sortField => $this->getSort($sortField, $options), |
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]); |
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} |
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} |
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protected function getSort($sortField, array $options = []) |
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{ |
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$sort = [ |
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'order' => $this->getSortDirection($sortField, $options), |
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]; |
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if (isset($options['sortNestedPath'])) { |
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$path = is_callable($options['sortNestedPath']) ? |
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$options['sortNestedPath']($sortField) : $options['sortNestedPath']; |
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if (!empty($path)) { |
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$sort['nested_path'] = $path; |
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} |
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} |
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if (isset($options['sortNestedFilter'])) { |
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$filter = is_callable($options['sortNestedFilter']) ? |
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$options['sortNestedFilter']($sortField) : $options['sortNestedFilter']; |
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if (!empty($filter)) { |
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$sort['nested_filter'] = $filter; |
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} |
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} |
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return $sort; |
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} |
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protected function getSortDirection($sortField, array $options = []) |
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{ |
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$dir = 'asc'; |
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$sortDirection = $this->getFromRequest($options['sortDirectionParameterName']); |
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if (empty($sortDirection) && isset($options['defaultSortDirection'])) { |
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$sortDirection = $options['defaultSortDirection']; |
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} |
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if ('desc' === strtolower($sortDirection)) { |
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$dir = 'desc'; |
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} |
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// check if the requested sort field is in the sort whitelist |
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if (isset($options['sortFieldWhitelist']) && !in_array($sortField, $options['sortFieldWhitelist'], true)) { |
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throw new \UnexpectedValueException(sprintf('Cannot sort by: [%s] this field is not in whitelist', $sortField)); |
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} |
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return $dir; |
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} |
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private function getRequest(): ?Request |
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{ |
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return $this->requestStack->getCurrentRequest(); |
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} |
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/** |
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* @return mixed|null |
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*/ |
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private function getFromRequest(?string $key) |
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{ |
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if (null !== $key && null !== $request = $this->getRequest()) { |
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return $request->get($key); |
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} |
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return null; |
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} |
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} |
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FriendsOfSymfony /
FOSElasticaBundle
This method has been deprecated. The supplier of the class has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the method will be removed from the class and what other method or class to use instead.