Add all and none special tags

src/Dto/SnipFilterRequest.php

@@ -15,7 +15,7 @@ readonly class SnipFilterRequest implements CachableDtoInterface
     public function __construct(
         public ?string $visibility = self::VISIBILITY_VISIBLE,
         public ?string $sort = self::SORT_DATE,
-        public ?string $tag = null,
+        public ?string $tag = 'all',
     ) {}
 
     public function toArray(): array

src/Entity/Tag.php

@@ -6,6 +6,7 @@ use App\Repository\TagRepository;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Component\Validator\Constraints as Assert;
 
 #[ORM\Entity(repositoryClass: TagRepository::class)]
 #[ORM\UniqueConstraint(name: 'user_tag_unique', columns: ['name', 'user_id'])]
@@ -17,6 +18,8 @@ class Tag
     private ?int $id = null;
 
     #[ORM\Column(length: 255)]
+    #[Assert\NotEqualTo('all')]
+    #[Assert\NotEqualTo('none')]
     private ?string $name = null;
 
     #[ORM\ManyToOne]

src/Form/TagsType.php

@@ -8,15 +8,19 @@ use Doctrine\Common\Collections\Collection;
 use Symfony\Bundle\SecurityBundle\Security;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\DataTransformerInterface;
+use Symfony\Component\Form\Exception\TransformationFailedException;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\ConstraintViolationInterface;
+use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 class TagsType extends AbstractType implements DataTransformerInterface
 {
     public function __construct(
-        private readonly TagRepository $repository,
-        private readonly Security      $security,
+        private readonly TagRepository      $repository,
+        private readonly Security           $security,
+        private readonly ValidatorInterface $validator,
     ) {}
 
     public function transform($value): string
@@ -46,10 +50,20 @@ class TagsType extends AbstractType implements DataTransformerInterface
         foreach ($tags as $tag) {
             $tagEntity = $this->repository->findOneBy(['name' => $tag, 'user' => $user]);
             if ($tagEntity === null) {
-                $tagEntity = new Tag()
-                    ->setName($tag)
-                    ->setUser($user)
-                ;
+                $tagEntity = new Tag();
+                $tagEntity->setName($tag)->setUser($user);
+
+                // Validate the new Tag entity
+                $errors = $this->validator->validate($tagEntity);
+                if (count($errors) > 0) {
+                    $exception = new TransformationFailedException();
+                    $exception->setInvalidMessage(implode(', ', array_map(
+                        fn(ConstraintViolationInterface $error) => $error->getMessage(),
+                        iterator_to_array($errors)
+                    )));
+                    throw $exception;
+                }
+
                 $this->repository->save($tagEntity);
             }
             $tagEntities[] = $tagEntity;

src/Repository/SnipRepository.php

@@ -79,7 +79,11 @@ class SnipRepository extends ServiceEntityRepository
                 throw new \InvalidArgumentException('Invalid sort option: ', $request->sort);
         }
 
-        if ($request->tag) {
+        if ($request->tag === 'none') {
+            $qb->andWhere('s.tags IS EMPTY');
+        } elseif ($request->tag === 'all') {
+            // No filter needed
+        } else {
             $qb->innerJoin('s.tags', 't')
                ->andWhere('t.name = :tag')
                ->setParameter('tag', $request->tag)

src/Twig/Extension/SnipFilterExtension.php

@@ -25,7 +25,8 @@ class SnipFilterExtension extends AbstractExtension
 
     private function getSnipTagOptions(): array
     {
-        $tags[null] = 'All tags';
+        $tags['all'] = 'All tags';
+        $tags['none'] = 'No tags';
         foreach ($this->tagRepository->findAllByUser($this->security->getUser()) as $tag) {
             $tags[(string)$tag] = (string)$tag;
         }