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<?php |
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declare(strict_types=1); |
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namespace ProjetNormandie\ArticleBundle\Doctrine; |
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use ApiPlatform\Doctrine\Orm\Extension\QueryCollectionExtensionInterface; |
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use ApiPlatform\Doctrine\Orm\Extension\QueryItemExtensionInterface; |
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use ApiPlatform\Doctrine\Orm\Util\QueryNameGeneratorInterface; |
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use ApiPlatform\Metadata\Operation; |
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use Doctrine\ORM\QueryBuilder; |
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use ProjetNormandie\ArticleBundle\Entity\Article; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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/** |
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* Doctrine ORM extension that automatically joins and preloads Article translations. |
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* This extension optimizes database queries by eagerly loading translation data |
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* and preparing both requested and fallback locales for efficient retrieval. |
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*/ |
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final class TranslationExtension implements QueryCollectionExtensionInterface, QueryItemExtensionInterface |
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{ |
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private RequestStack $requestStack; |
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private string $defaultLocale; |
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public function __construct(RequestStack $requestStack, string $defaultLocale = 'en') |
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{ |
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$this->requestStack = $requestStack; |
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$this->defaultLocale = $defaultLocale; |
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} |
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/** |
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* Applies translation joins to collection queries. |
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* Ensures all Article collections have their translations preloaded. |
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*/ |
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public function applyToCollection( |
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QueryBuilder $queryBuilder, |
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QueryNameGeneratorInterface $queryNameGenerator, |
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string $resourceClass, |
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?Operation $operation = null, |
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array $context = [] |
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): void { |
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$this->addWhere($queryBuilder, $resourceClass); |
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} |
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/** |
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* Applies translation joins to single item queries. |
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* Ensures individual Article entities have their translations preloaded. |
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*/ |
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public function applyToItem( |
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QueryBuilder $queryBuilder, |
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QueryNameGeneratorInterface $queryNameGenerator, |
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string $resourceClass, |
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array $identifiers, |
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?Operation $operation = null, |
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array $context = [] |
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): void { |
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$this->addWhere($queryBuilder, $resourceClass); |
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} |
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/** |
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* Adds translation joins and selects to the query builder. |
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* Optimizes database access by preloading translation data and |
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* specifically preparing requested and default locale translations. |
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*/ |
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private function addWhere(QueryBuilder $queryBuilder, string $resourceClass): void |
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{ |
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if ($resourceClass !== Article::class) { |
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return; |
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} |
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$request = $this->requestStack->getCurrentRequest(); |
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$requestedLocale = $request ? $request->getLocale() : $this->defaultLocale; |
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$rootAlias = $queryBuilder->getRootAliases()[0]; |
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// Join all available translations |
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$queryBuilder->leftJoin($rootAlias . '.translations', 't') |
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->addSelect('t'); |
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// Optional: you can also preload specifically the requested translation |
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// and default translation for optimal performance |
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$queryBuilder |
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->leftJoin( |
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$rootAlias . '.translations', |
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't_requested', |
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'WITH', |
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't_requested.locale = :requestedLocale' |
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) |
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->leftJoin( |
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$rootAlias . '.translations', |
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't_default', |
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'WITH', |
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't_default.locale = :defaultLocale' |
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) |
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->addSelect('t_requested') |
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->addSelect('t_default') |
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->setParameter('requestedLocale', $requestedLocale) |
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->setParameter('defaultLocale', $this->defaultLocale); |
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} |
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} |
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projet-normandie /
article-bundle
