add Moderation.php (#14)

Co-authored-by: bastien <bastien.ollier1@gmail.com>
Co-authored-by: clfreville2 <clement.freville2@etu.uca.fr>
Reviewed-on: https://codefirst.iut.uca.fr/git/clement.freville2/herbarium/pulls/14
Reviewed-by: Clément FRÉVILLE <clement.freville2@etu.uca.fr>

src/Validator/ImageSafety.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Validator;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @Annotation
+ * @Target({"PROPERTY", "METHOD", "ANNOTATION"})
+ */
+#[\Attribute(\Attribute::TARGET_PROPERTY | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
+class ImageSafety extends Constraint
+{
+    public string $message = 'The uploaded image is not safe.';
+}

src/Validator/ImageSafetyValidator.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Validator;
+
+use App\Service\ImageSafetyServiceInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+class ImageSafetyValidator extends ConstraintValidator
+{
+    public function __construct(private readonly ImageSafetyServiceInterface $imageSafetyService)
+    {
+    }
+
+    /**
+     * @param mixed $value
+     * @param ImageSafety $constraint
+     * @return void
+     */
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        if (null === $value || '' === $value) {
+            return;
+        }
+
+        if (!$this->imageSafetyService->isValid($value)) {
+            $this->context->buildViolation($constraint->message)->addViolation();
+        }
+    }
+}