middleware based hydrator

Author: DavidBadura

composer.json

@@ -23,7 +23,6 @@
     "ext-openssl": "*",
     "psr/cache": "^2.0.0 || ^3.0.0",
     "psr/simple-cache": "^2.0.0 || ^3.0.0",
-    "symfony/event-dispatcher": "^5.4.29 || ^6.4.0 || ^7.0.0 || ^8.0.0",
     "symfony/type-info": "^7.3.0 || ^8.0.0"
   },
   "require-dev": {

composer.lock

@@ -34,9 +34,9 @@ public function metadata(string $class): ClassMetadata
 
                 if (array_key_exists($subjectIdIdentifier, $subjectIdMapping)) {
                     throw new DuplicateSubjectIdIdentifier(
-                        $metadata->className(),
-                        $metadata->propertyForField($subjectIdMapping[$subjectIdIdentifier])->propertyName(),
-                        $property->propertyName(),
+                        $metadata->className,
+                        $metadata->propertyForField($subjectIdMapping[$subjectIdIdentifier])->propertyName,
+                        $property->propertyName,
                         $subjectIdIdentifier,
                     );
                 }
@@ -53,7 +53,7 @@ public function metadata(string $class): ClassMetadata
             }
 
             if ($isSubjectId) {
-                throw new SubjectIdAndSensitiveDataConflict($metadata->className(), $property->propertyName());
+                throw new SubjectIdAndSensitiveDataConflict($metadata->className, $property->propertyName);
             }
 
             $property->extras[SensitiveDataInfo::class] = $sensitiveDataInfo;

src/Attribute/PostHydrate.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Patchlevel\Hydrator\Cryptography;
+
+use Patchlevel\Hydrator\Metadata\ClassMetadata;
+use Patchlevel\Hydrator\Middleware\Middleware;
+use Patchlevel\Hydrator\Middleware\Stack;
+
+final class CryptographyMiddleware implements Middleware
+{
+    public function __construct(
+        private readonly PayloadCryptographer $cryptography,
+    ) {
+    }
+
+    /**
+     * @param ClassMetadata<T>     $metadata
+     * @param array<string, mixed> $data
+     *
+     * @return T
+     *
+     * @template T of object
+     */
+    public function hydrate(ClassMetadata $metadata, array $data, Stack $stack): object
+    {
+        return $stack->next()->hydrate(
+            $metadata,
+            $this->cryptography->decrypt($metadata, $data),
+            $stack,
+        );
+    }
+
+    /**
+     * @param ClassMetadata<T> $metadata
+     * @param T                $object
+     *
+     * @return array<string, mixed>
+     *
+     * @template T of object
+     */
+    public function extract(ClassMetadata $metadata, object $object, Stack $stack): array
+    {
+        return $this->cryptography->encrypt(
+            $metadata,
+            $stack->next()->extract($metadata, $object, $stack),
+        );
+    }
+}