Add ULID generator

Author: jerowork

src/Ulid/SymfonyUlidIdentityGenerator.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gember\IdentityGeneratorSymfony\Ulid;
+
+use Gember\EventSourcing\Util\Generator\Identity\IdentityGenerator;
+use Override;
+use Symfony\Component\Uid\Factory\UlidFactory;
+
+final readonly class SymfonyUlidIdentityGenerator implements IdentityGenerator
+{
+    public function __construct(
+        private UlidFactory $ulidFactory,
+    ) {}
+
+    #[Override]
+    public function generate(): string
+    {
+        return (string) $this->ulidFactory->create();
+    }
+}

tests/Ulid/SymfonyUlidIdentityGeneratorTest.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gember\IdentityGeneratorSymfony\Test\Ulid;
+
+use Gember\IdentityGeneratorSymfony\Ulid\SymfonyUlidIdentityGenerator;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\TestCase;
+use Override;
+use Symfony\Component\Uid\Factory\UlidFactory;
+
+/**
+ * @internal
+ */
+final class SymfonyUlidIdentityGeneratorTest extends TestCase
+{
+    private SymfonyUlidIdentityGenerator $identityGenerator;
+
+    #[Override]
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->identityGenerator = new SymfonyUlidIdentityGenerator(
+            new UlidFactory(),
+        );
+    }
+
+    #[Test]
+    public function itShouldGenerateUlid(): void
+    {
+        $ulid = $this->identityGenerator->generate();
+
+        self::assertMatchesRegularExpression(
+            '#[0-7][0-9A-HJKMNP-TV-Z]{25}#',
+            $ulid,
+        );
+    }
+}