First pass of the search bundle

src/Command/SearchIndexCommand.php

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+<?php
+
+namespace Pcm\SearchBundle\Command;
+
+use Pcm\SearchBundle\Entity\SearchIndex;
+use Pcm\SearchBundle\Service\SearchService;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+#[AsCommand(
+    name: 'pcm:search:reindex',
+    description: 'Builds search index',
+)]
+class SearchIndexCommand extends Command
+{
+    public function __construct(private EntityManagerInterface $em, private SearchService $searchService)
+    {
+        parent::__construct();
+    }
+
+    protected function configure(): void {}
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        /** @var SearchIndexRepository */
+        $repo = $this->em->getRepository(SearchIndex::class);
+        $repo->clearIndex();
+
+        $searchables = $this->searchService->getSearchableClasses();
+
+        $io = new SymfonyStyle($input, $output);
+        $io->title('Indexing');
+
+        $progress_bar = new ProgressBar($output, count($searchables));
+        $progress_bar->setBarCharacter('<fg=green>•</>');
+        $progress_bar->setEmptyBarCharacter("<fg=red>•</>");
+        $progress_bar->setProgressCharacter("<fg=green>➤</>");
+        $progress_bar->start();
+
+        foreach ($searchables as $searchable) {
+            $entities = $this
+                ->em
+                ->getRepository($searchable)
+                ->findAll();
+
+            foreach ($entities as $entity) {
+                $search_result = $this->searchService->createSearchResult($entity);
+
+                $this->em->persist($search_result);
+
+            }
+
+            $progress_bar->advance();
+        }
+
+        $this->em->flush();
+
+        $progress_bar->finish();
+
+        $io->writeln('');
+        $io->writeln('');
+
+        $io->success('Index updated');
+
+        return Command::SUCCESS;
+    }
+}

src/Entity/Interface/SearchableInterface.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Pcm\SearchBundle\Entity\Interface;
+
+interface SearchableInterface
+{
+    public function getSearchTitle(): string;
+    public function getSearchValues(): array;
+}

src/Entity/SearchIndex.php

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+<?php
+
+namespace Pcm\SearchBundle\Entity;
+
+use Pcm\SearchBundle\Repository\SearchIndexRepository;
+use Doctrine\ORM\Mapping as ORM;
+
+#[ORM\Entity(repositoryClass: SearchIndexRepository::class)]
+#[ORM\Index(name: "idx_data_fulltext", columns: ["data"], flags: ["fulltext"])]
+class SearchIndex
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: 'integer')]
+    private $id;
+
+    #[ORM\Column(type: 'string', length: 255)]
+    private $entityClass;
+
+    #[ORM\Column(type: 'integer')]
+    private $entityId;
+
+    #[ORM\Column(type: 'text')]
+    private $data;
+
+    #[ORM\Column(type: 'string', length: 255)]
+    private $title;
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getEntityClass(): ?string
+    {
+        return $this->entityClass;
+    }
+
+    public function setEntityClass(string $entityClass): self
+    {
+        $this->entityClass = $entityClass;
+
+        return $this;
+    }
+
+    public function getEntityId(): ?int
+    {
+        return $this->entityId;
+    }
+
+    public function setEntityId(int $entityId): self
+    {
+        $this->entityId = $entityId;
+
+        return $this;
+    }
+
+    public function getData(): ?string
+    {
+        return $this->data;
+    }
+
+    public function setData(string $data): self
+    {
+        $this->data = $data;
+
+        return $this;
+    }
+
+    public function getTitle(): ?string
+    {
+        return $this->title;
+    }
+
+    public function setTitle(string $title): self
+    {
+        $this->title = $title;
+
+        return $this;
+    }
+}

src/EventSubscriber/SearchableSubscriber.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Pcm\SearchBundle\EventSubscriber;
+
+use Pcm\SearchBundle\Entity\Interface\SearchableInterface;
+use Pcm\SearchBundle\Service\SearchService;
+use Doctrine\Common\EventSubscriber;
+use Doctrine\Persistence\Event\LifecycleEventArgs;
+use Doctrine\ORM\Events;
+
+class SearchableSubscriber implements EventSubscriber
+{
+    public function __construct(private SearchService $searchService) {}
+
+    public function getSubscribedEvents()
+    {
+        return [
+            Events::postPersist,
+            Events::postUpdate,
+            Events::preRemove
+        ];
+    }
+
+    public function postUpdate(LifecycleEventArgs $args)
+    {
+        $entity = $args->getObject();
+
+        if ($entity instanceof SearchableInterface) {
+            $this->searchService->index($entity);
+        }
+    }
+
+    public function postPersist(LifecycleEventArgs $args)
+    {
+        $entity = $args->getObject();
+
+        if ($entity instanceof SearchableInterface) {
+            $this->searchService->index($entity);
+        }
+    }
+
+    public function preRemove(LifecycleEventArgs $args)
+    {
+        $entity = $args->getObject();
+
+        if ($entity instanceof SearchableInterface) {
+            $this->searchService->unIndex($entity);
+        }
+    }
+}

src/PcmSearchBundle.php

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+<?php
+namespace Pcm\SearchBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+class SearchBundle extends Bundle
+{
+    public function getPath(): string
+    {
+        return \dirname(__DIR__);
+    }
+}

src/Service/SearchService.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Pcm\SearchBundle\Service;
+
+use Pcm\SearchBundle\Entity\SearchIndex;
+use Pcm\SearchBundle\Entity\Interface\SearchableInterface;
+use Doctrine\Common\Util\ClassUtils;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Proxy\Proxy;
+
+class SearchService
+{
+    public function __construct(private EntityManagerInterface $em) {}
+
+    public function index($entity)
+    {
+        $searchIndex = $this->createSearchResult($entity);
+
+        $this->em->persist($searchIndex);
+        $this->em->flush();
+    }
+
+    public function unIndex($entity)
+    {
+        $class = get_class($entity);
+
+        $search_result = $this
+            ->em
+            ->getRepository(SearchIndex::class)
+            ->findOneBy(['entityClass' => $class, 'entityId' => $entity->getId()]);
+
+        if ($search_result) {
+            $this->em->remove($search_result);
+            $this->em->flush();
+        }
+    }
+
+    public function createSearchResult(SearchableInterface $entity): SearchIndex
+    {
+        $values = [];
+
+        foreach ($entity->getSearchValues() as $value) {
+            $values[] = $value;
+        }
+
+        $data = implode(' ', $values);
+
+        $class = get_class($entity);
+
+        if ($entity instanceof Proxy) {
+            $class = ClassUtils::getRealClass($class);
+        }
+
+        $searchResult = $this
+            ->em
+            ->getRepository(SearchIndex::class)
+            ->findOneBy(
+                [
+                    'entityClass' => $class,
+                    'entityId' => $entity->getId()
+                ]
+            );
+
+        if (!$searchResult) {
+            $searchResult = new SearchIndex();
+            $searchResult->setEntityClass($class);
+            $searchResult->setEntityId($entity->getId());
+        }
+
+        $searchResult->setTitle($entity->getSearchTitle());
+        $searchResult->setData($data);
+
+        return $searchResult;
+    }
+
+    /**
+     * Finds all searchable Doctrine entities.
+     */
+    public function getSearchableClasses(): array
+    {
+        $metadata = $this->em->getMetadataFactory()->getAllMetadata();
+        $searchables = [];
+
+        foreach ($metadata as $meta) {
+            if ($meta->reflClass->implementsInterface(SearchableInterface::class)) {
+                $searchables[] = $meta->name;
+            }
+        }
+
+        return $searchables;
+    }
+}