Fix for issue #7242 : broken translations for enums in forms

src/Factory/FieldFactory.php

@@ -15,6 +15,7 @@
 use EasyCorp\Bundle\EasyAdminBundle\Field\ArrayField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\AssociationField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\BooleanField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\ChoiceField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\CollectionField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\DateField;
 use EasyCorp\Bundle\EasyAdminBundle\Field\DateTimeField;
@@ -187,7 +188,13 @@ private function replaceGenericFieldsWithSpecificFields(FieldCollection $fields,
                 }
                 /** @phpstan-ignore-next-line function.alreadyNarrowedType */
                 $fieldType = property_exists($fieldMapping, 'type') ? $fieldMapping->type : $fieldMapping['type'];
-                $guessedFieldFqcn = self::$doctrineTypeToFieldFqcn[$fieldType] ?? null;
+
+                // Special handling for enums, that are represented as string or as a simple array of strings
+                if ((Types::STRING === $fieldType || Types::SIMPLE_ARRAY === $fieldType) && isset($fieldMapping['enumType'])) {
+                    $guessedFieldFqcn = ChoiceField::class;
+                } else {
+                    $guessedFieldFqcn = self::$doctrineTypeToFieldFqcn[$fieldType] ?? null;
+                }
                 if (null === $guessedFieldFqcn) {
                     throw new \RuntimeException(sprintf('The Doctrine type of the "%s" field is "%s", which is not supported by EasyAdmin. For Doctrine\'s Custom Mapping Types have a look at EasyAdmin\'s field docs.', $fieldDto->getProperty(), $fieldType));
                 }

src/Field/Configurator/ChoiceConfigurator.php

@@ -60,18 +60,24 @@ public function configure(FieldDto $field, EntityDto $entityDto, AdminContext $c
         }
 
         if ($allChoicesAreEnums && array_is_list($choices) && \count($choices) > 0) {
-            $processedEnumChoices = [];
-            foreach ($choices as $choice) {
-                $processedEnumChoices[$choice->name] = $choice;
-            }
-
-            $choices = $processedEnumChoices;
-
             // Update form type to be EnumType if current form type is still ChoiceType
             // Leave the form type as is if user set something else explicitly
             if (ChoiceType::class === $field->getFormType()) {
                 $field->setFormType(EnumType::class);
             }
+
+            // When dealing with enums that implement TranslatableInterface, they are now translated by Symfony only if
+            // the keys of the choices are integers.
+            // So, keep choices with integer keys if using EnumType with translatable enum, otherwise set name as key.
+            if (!$choicesSupportTranslatableInterface || EnumType::class !== $field->getFormType()) {
+                $processedEnumChoices = [];
+                foreach ($choices as $choice) {
+                    $processedEnumChoices[$choice->name] = $choice;
+                }
+
+                $choices = $processedEnumChoices;
+            }
+
             $field->setFormTypeOptionIfNotSet('class', $enumTypeClass);
         }
 

tests/Controller/FormEnumTranslationControllerTest.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Tests\Controller;
+
+use Doctrine\ORM\EntityRepository;
+use EasyCorp\Bundle\EasyAdminBundle\Test\AbstractCrudTestCase;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Controller\DashboardController;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Controller\FormEnumTranslationController;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\BlogPost;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Enum\BlogPostStateEnum;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+class FormEnumTranslationControllerTest extends AbstractCrudTestCase
+{
+    protected EntityRepository $blogPosts;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->client->followRedirects();
+
+        $this->blogPosts = $this->entityManager->getRepository(BlogPost::class);
+    }
+
+    protected function getControllerFqcn(): string
+    {
+        return FormEnumTranslationController::class;
+    }
+
+    protected function getDashboardFqcn(): string
+    {
+        return DashboardController::class;
+    }
+
+    public function testFieldsFormatValue()
+    {
+        $translator = static::getContainer()->get(TranslatorInterface::class);
+        static::assertInstanceOf(TranslatorInterface::class, $translator);
+        $this->client->request('GET', $this->generateNewFormUrl());
+
+        foreach (BlogPostStateEnum::cases() as $case) {
+            self::assertAnySelectorTextSame('option', $case->trans($translator, locale: 'en'));
+        }
+    }
+}

tests/TestApplication/src/Controller/FormEnumTranslationController.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Controller;
+
+use EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController;
+use EasyCorp\Bundle\EasyAdminBundle\Field\ChoiceField;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\BlogPost;
+
+/**
+ * @extends AbstractCrudController<BlogPost>
+ */
+class FormEnumTranslationController extends AbstractCrudController
+{
+    public static function getEntityFqcn(): string
+    {
+        return BlogPost::class;
+    }
+
+    public function configureFields(string $pageName): iterable
+    {
+        // Test translating enums in forms. When enums implement TranslatableInterface, this should be done by Symfony
+        // automagically.
+        return [
+            ChoiceField::new('state', 'State'),
+        ];
+    }
+}

tests/TestApplication/src/DataFixtures/AppFixtures.php

@@ -11,6 +11,7 @@
 use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\Page;
 use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\User;
 use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Entity\Website;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Enum\BlogPostStateEnum;
 
 class AppFixtures extends Fixture
 {
@@ -42,7 +43,8 @@ public function load(ObjectManager $manager): void
                 ->setCreatedAt(new \DateTimeImmutable('2020-11-'.($i + 1).' 09:00:00'))
                 ->setPublishedAt(new \DateTimeImmutable('2020-11-'.($i + 1).' 11:00:00'))
                 ->addCategory($this->getReference('category'.($i % 10), Category::class))
-                ->setAuthor($this->getReference('user'.($i % 5), User::class));
+                ->setAuthor($this->getReference('user'.($i % 5), User::class))
+                ->setState(BlogPostStateEnum::cases()[$i % \count(BlogPostStateEnum::cases())]);
 
             if ($i < 10) {
                 $blogPost->setPublisher(

tests/TestApplication/src/Entity/BlogPost.php

@@ -5,6 +5,7 @@
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Enum\BlogPostStateEnum;
 
 #[ORM\Entity]
 class BlogPost
@@ -39,6 +40,9 @@ class BlogPost
     #[ORM\ManyToOne(targetEntity: User::class)]
     private $publisher;
 
+    #[ORM\Column(enumType: BlogPostStateEnum::class)]
+    private ?BlogPostStateEnum $state = BlogPostStateEnum::Draft;
+
     public function __construct()
     {
         $this->categories = new ArrayCollection();
@@ -150,8 +154,25 @@ public function getPublisher()
         return $this->publisher;
     }
 
-    public function setPublisher(?User $publisher): void
+    public function setPublisher(?User $publisher): self
     {
         $this->publisher = $publisher;
+
+        return $this;
+    }
+
+    public function getState(): ?BlogPostStateEnum
+    {
+        return $this->state;
+    }
+
+    public function setState(string|BlogPostStateEnum|null $state): self
+    {
+        if (!$state instanceof BlogPostStateEnum) {
+            $state = BlogPostStateEnum::tryFrom($state);
+        }
+        $this->state = $state;
+
+        return $this;
     }
 }

tests/TestApplication/src/Enum/BlogPostStateEnum.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Tests\TestApplication\Enum;
+
+use Symfony\Contracts\Translation\TranslatableInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+enum BlogPostStateEnum: string implements TranslatableInterface
+{
+    case Draft = 'draft';
+    case Published = 'published';
+    case Deleted = 'deleted';
+
+    public function trans(TranslatorInterface $translator, ?string $locale = null): string
+    {
+        return match ($this) {
+            self::Draft => $translator->trans('BlogPostStateEnum.draft', locale: $locale),
+            self::Published => $translator->trans('BlogPostStateEnum.published', locale: $locale),
+            self::Deleted => $translator->trans('BlogPostStateEnum.deleted', locale: $locale),
+        };
+    }
+}