Add a CallableValidator

janvernieuwe · janvernieuwe · commit 94d121f52817 · 2019-05-13T09:29:58.000+02:00
diff --git a/src/Symfony/Component/Validator/Tests/CallableValidatorTest.php b/src/Symfony/Component/Validator/Tests/CallableValidatorTest.php
@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Tests\Validator;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Validator\Constraints\Email;
+use Symfony\Component\Validator\Constraints\Length;
+use Symfony\Component\Validator\Exception\LogicException;
+use Symfony\Component\Validator\Validator\CallableValidator;
+
+/**
+ * @author Jan Vernieuwe <jan.vernieuwe@phpro.be>
+ */
+class CallableValidatorTest extends TestCase
+{
+    public function testValidate()
+    {
+        $validator = new CallableValidator([new Length(['min' => 10]), new Email()]);
+        $this->assertEquals('test@example.com', $validator('test@example.com'));
+        $this->expectException(LogicException::class);
+        $validator('test');
+    }
+}
diff --git a/src/Symfony/Component/Validator/Validator/CallableValidator.php b/src/Symfony/Component/Validator/Validator/CallableValidator.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Validator\Validator;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\Validation;
+use Symfony\Component\Validator\Exception\LogicException;
+
+/**
+ * Class that enables usage of the validators in console questions
+ *
+ * @author Jan Vernieuwe <jan.vernieuwe@phpro.be>
+ */
+class CallableValidator
+{
+    /**
+     * @var Constraint[]
+     */
+    private $constraints;
+
+    /**
+     * @var ValidatorInterface
+     */
+    private $validator;
+
+    /**
+     * CallableValidator constructor.
+     *
+     * @param Constraint[] $constraints
+     */
+    public function __construct(array $constraints)
+    {
+        $this->constraints = $constraints;
+        $this->validator = Validation::createValidator();
+    }
+
+    /**
+     * @param string $value
+     *
+     * @return string|null
+     * @throws LogicException
+     */
+    public function __invoke(string $value = null): string
+    {
+        $violations = $this->validator->validate($value, $this->constraints);
+        if (0 !== $violations->count()) {
+            throw new LogicException((string)$violations);
+        }
+
+        return $value;
+    }
+}
