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feat(Solr): Added
TreeWalkerIndexingEventSubscriber to index node c…
…hildren using a TreeWalker, improved `AttributeValueIndexingSubscriber`
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100 changes: 100 additions & 0 deletions
100
lib/RoadizCoreBundle/src/SearchEngine/Subscriber/TreeWalkerIndexingEventSubscriber.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| <?php | ||
|
|
||
| declare(strict_types=1); | ||
|
|
||
| namespace RZ\Roadiz\CoreBundle\SearchEngine\Subscriber; | ||
|
|
||
| use RZ\Roadiz\CoreBundle\Api\TreeWalker\AutoChildrenNodeSourceWalker; | ||
| use RZ\Roadiz\CoreBundle\Entity\NodesSources; | ||
| use RZ\Roadiz\CoreBundle\Event\NodesSources\NodesSourcesIndexingEvent; | ||
| use RZ\Roadiz\CoreBundle\SearchEngine\SolariumFactoryInterface; | ||
| use RZ\TreeWalker\WalkerContextInterface; | ||
| use RZ\TreeWalker\WalkerInterface; | ||
|
|
||
| /** | ||
| * Index sub nodes content into any reachable node-source using AutoChildrenNodeSourceWalker. | ||
| */ | ||
| final class TreeWalkerIndexingEventSubscriber extends AbstractIndexingSubscriber | ||
| { | ||
| private WalkerContextInterface $walkerContext; | ||
| private SolariumFactoryInterface $solariumFactory; | ||
| private int $maxLevel; | ||
| private string $defaultLocale; | ||
|
|
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| public function __construct( | ||
| WalkerContextInterface $walkerContext, | ||
| SolariumFactoryInterface $solariumFactory, | ||
| int $maxLevel = 5, | ||
| string $defaultLocale = 'en' | ||
| ) { | ||
| $this->walkerContext = $walkerContext; | ||
| $this->solariumFactory = $solariumFactory; | ||
| $this->maxLevel = $maxLevel; | ||
| $this->defaultLocale = $defaultLocale; | ||
| } | ||
|
|
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| /** | ||
| * @inheritDoc | ||
| */ | ||
| public static function getSubscribedEvents(): array | ||
| { | ||
| return [ | ||
| NodesSourcesIndexingEvent::class => ['onIndexing', -99], | ||
| ]; | ||
| } | ||
|
|
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| public function onIndexing(NodesSourcesIndexingEvent $event): void | ||
| { | ||
| $nodeSource = $event->getNodeSource(); | ||
| if (!$nodeSource->isReachable() || $event->isSubResource()) { | ||
| return; | ||
| } | ||
|
|
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| $assoc = $event->getAssociations(); | ||
|
|
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| $blockWalker = AutoChildrenNodeSourceWalker::build( | ||
| $nodeSource, | ||
| $this->walkerContext, | ||
| $this->maxLevel | ||
| ); | ||
|
|
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| // Need a locale field | ||
| $locale = $nodeSource->getTranslation()->getLocale(); | ||
| $lang = \Locale::getPrimaryLanguage($locale) ?? $this->defaultLocale; | ||
|
|
||
| try { | ||
| foreach ($blockWalker->getChildren() as $subWalker) { | ||
| $this->walkAndIndex($subWalker, $assoc, $lang); | ||
| } | ||
| } catch (\Exception $e) { | ||
| } | ||
|
|
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| $event->setAssociations($assoc); | ||
| } | ||
|
|
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| /** | ||
| * @param WalkerInterface $walker | ||
| * @param array $assoc | ||
| * @param string $locale | ||
| * @throws \Exception | ||
| */ | ||
| protected function walkAndIndex(WalkerInterface $walker, array &$assoc, string $locale): void | ||
| { | ||
| $item = $walker->getItem(); | ||
| if ($item instanceof NodesSources) { | ||
| $solarium = $this->solariumFactory->createWithNodesSources($item); | ||
| // Fetch all fields array association AS sub-resources (i.e. do not index their title, and relationships) | ||
| $childAssoc = $solarium->getFieldsAssoc(true); | ||
| $assoc['collection_txt'] = array_filter(array_merge( | ||
| $assoc['collection_txt'], | ||
| $childAssoc['collection_txt'] | ||
| )); | ||
| $assoc['collection_txt_' . $locale] = $this->flattenTextCollection($assoc['collection_txt']); | ||
| } | ||
| if ($walker->count() > 0) { | ||
| foreach ($walker->getChildren() as $subWalker) { | ||
| $this->walkAndIndex($subWalker, $assoc, $locale); | ||
| } | ||
| } | ||
| } | ||
| } |