Oliver Davies
ae0024f335
Return an empty Collection if there are no related posts for the given post. References #3
49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Drupal\opdavies_blog\Repository;
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use Drupal\Core\Entity\EntityStorageInterface;
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use Drupal\Core\Entity\EntityTypeManagerInterface;
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use Drupal\opdavies_blog\Entity\Node\Post;
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use Drupal\taxonomy\TermInterface;
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use Illuminate\Support\Collection;
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final class RelatedPostsRepository {
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private EntityStorageInterface $nodeStorage;
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public function __construct(
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EntityTypeManagerInterface $entityTypeManager
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) {
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$this->nodeStorage = $entityTypeManager->getStorage('node');
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}
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public function getFor(Post $post): Collection {
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$tags = $post->get('field_tags')->referencedEntities();
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if (!$tags) {
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return new Collection();
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}
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$tagIds = (new Collection($tags))
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->map(fn(TermInterface $tag) => $tag->id())
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->values();
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$query = $this->nodeStorage->getQuery();
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// Ensure that the current node ID is not returned as a related post.
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$query->condition('nid', $post->id(), '!=');
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$query->condition('field_tags', $tagIds->toArray(), 'IN');
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/** @var array $postIds */
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$postIds = $query->execute();
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$posts = $this->nodeStorage->loadMultiple($postIds);
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return (new Collection($posts))->values();
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}
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}
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