Add repository factory

diff --git a/Factory/RepositoryFactory.php b/Factory/RepositoryFactory.php
new file mode 100644 (file)
index 0000000..893b03b
--- /dev/null
+++ b/Factory/RepositoryFactory.php
@@ -0,0 +1,144 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Rapsys BlogBundle package.
+ *
+ * (c) Raphaël Gertz <symfony@rapsys.eu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Rapsys\BlogBundle\Factory;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Repository\RepositoryFactory as RepositoryFactoryInterface;
+use Doctrine\Persistence\ObjectRepository;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\Routing\RouterInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+use Rapsys\PackBundle\Util\SluggerUtil;
+
+/**
+ * This factory is used to create default repository objects for entities at runtime.
+ */
+final class RepositoryFactory implements RepositoryFactoryInterface {
+       /**
+        * The list of EntityRepository instances
+        *
+        * @var array
+        */
+       private array $repositoryList = [];
+
+       /**
+        * The list of languages
+        *
+        * @var array
+        */
+       private array $languages = [];
+
+       /**
+        * The current locale
+        *
+        * @var string
+        */
+       private string $locale;
+
+       /**
+        * The RequestStack instance
+        *
+        * @var RequestStack
+        */
+       private RequestStack $request;
+
+       /**
+        * The RouterInterface instance
+        *
+        * @var RouterInterface
+        */
+       private RouterInterface $router;
+
+       /**
+        * The SluggerUtil instance
+        *
+        * @var SluggerUtil
+        */
+       private SluggerUtil $slugger;
+
+       /**
+        * The TranslatorInterface instance
+        *
+        * @var TranslatorInterface
+        */
+       private TranslatorInterface $translator;
+
+       /**
+        * Initializes a new RepositoryFactory instance
+        *
+        * @param RequestStack $request The request stack
+        * @param RouterInterface $router The router instance
+        * @param SluggerUtil $slugger The SluggerUtil instance
+        * @param TranslatorInterface $translator The TranslatorInterface instance
+        * @param array $languages The languages list
+        * @param string $locale The current locale
+        */
+       public function __construct(RequestStack $request, RouterInterface $router, SluggerUtil $slugger, TranslatorInterface $translator, array $languages, string $locale) {
+               //Set request
+               $this->request = $request;
+
+               //Set router
+               $this->router = $router;
+
+               //Set slugger
+               $this->slugger = $slugger;
+
+               //Set translator
+               $this->translator = $translator;
+
+               //Set languages
+               $this->languages = $languages;
+
+               //Set locale
+               $this->locale = $locale;
+       }
+
+       /**
+        * {@inheritdoc}
+        */
+       public function getRepository(EntityManagerInterface $entityManager, mixed $entityName): ObjectRepository {
+               //Set repository hash
+               $repositoryHash = $entityManager->getClassMetadata($entityName)->getName() . spl_object_hash($entityManager);
+
+               //With entity repository instance
+               if (isset($this->repositoryList[$repositoryHash])) {
+                       //Return existing entity repository instance
+                       return $this->repositoryList[$repositoryHash];
+               }
+
+               //Store and return created entity repository instance
+               return $this->repositoryList[$repositoryHash] = $this->createRepository($entityManager, $entityName);
+       }
+
+       /**
+        * Create a new repository instance for an entity class
+        *
+        * @param EntityManagerInterface $entityManager The EntityManager instance.
+        * @param string $entityName The name of the entity.
+        */
+       private function createRepository(EntityManagerInterface $entityManager, string $entityName): ObjectRepository {
+               //Get class metadata
+               $metadata = $entityManager->getClassMetadata($entityName);
+
+               //Get repository class
+               $repositoryClass = $metadata->customRepositoryClassName ?: $entityManager->getConfiguration()->getDefaultRepositoryClassName();
+
+               //Set to current locale
+               //XXX: current request is not yet populated in constructor
+               $this->locale = $this->request->getCurrentRequest()->getLocale() ?? $this->locale;
+
+               //Return repository class instance
+               //XXX: router, slugger, translator, languages and locale arguments will be ignored by default
+               return new $repositoryClass($entityManager, $metadata, $this->router, $this->slugger, $this->translator, $this->languages, $this->locale);
+       }
+}