chore: complete update

src/Domain/ValueObjects/EmailAddress.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain\ValueObjects;
+
+final readonly class EmailAddress
+{
+    public function __construct(
+        public string $value
+    ) {
+        if (!filter_var($value, FILTER_VALIDATE_EMAIL)) {
+            throw new \InvalidArgumentException("Invalid email address: {$value}");
+        }
+    }
+
+    public function __toString(): string
+    {
+        return $this->value;
+    }
+
+    public function getDomain(): string
+    {
+        return substr($this->value, strpos($this->value, '@') + 1);
+    }
+
+    public function getLocalPart(): string
+    {
+        return substr($this->value, 0, strpos($this->value, '@'));
+    }
+}