Fixed problem that all properties in snake_case style were considered readOnly by API Platform

src/Entity/Base/TimestampTrait.php

@@ -22,6 +22,7 @@ declare(strict_types=1);
 
 namespace App\Entity\Base;
 
+use ApiPlatform\Metadata\ApiProperty;
 use Doctrine\DBAL\Types\Types;
 use DateTime;
 use Doctrine\ORM\Mapping as ORM;
@@ -36,6 +37,7 @@ trait TimestampTrait
      * @var \DateTimeInterface|null the date when this element was modified the last time
      */
     #[Groups(['extended', 'full'])]
+    #[ApiProperty(writable: false)]
     #[ORM\Column(name: 'last_modified', type: Types::DATETIME_MUTABLE, options: ['default' => 'CURRENT_TIMESTAMP'])]
     protected ?\DateTimeInterface $lastModified = null;
 
@@ -43,6 +45,7 @@ trait TimestampTrait
      * @var \DateTimeInterface|null the date when this element was created
      */
     #[Groups(['extended', 'full'])]
+    #[ApiProperty(writable: false)]
     #[ORM\Column(name: 'datetime_added', type: Types::DATETIME_MUTABLE, options: ['default' => 'CURRENT_TIMESTAMP'])]
     protected ?\DateTimeInterface $addedDate = null;
 

src/Services/SnakeCasePropertyAccessExtractor.php

@@ -0,0 +1,71 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Component\PropertyInfo\Extractor\ReflectionExtractor;
+use Symfony\Component\PropertyInfo\PropertyAccessExtractorInterface;
+
+/**
+ * Workaround for using snake_case properties with ReflectionExtractor until this PR is merged:
+ * https://github.com/symfony/symfony/pull/51697
+ */
+#[AsTaggedItem('property_info.access_extractor', priority: 0)]
+class SnakeCasePropertyAccessExtractor implements PropertyAccessExtractorInterface
+{
+
+    public function __construct(#[Autowire(service: 'property_info.reflection_extractor')]
+        private readonly PropertyAccessExtractorInterface $reflectionExtractor)
+    {
+        //$this->reflectionExtractor = new ReflectionExtractor();
+    }
+
+    public function isReadable(string $class, string $property, array $context = [])
+    {
+        //Null means skip this extractor
+        return null;
+    }
+
+    /**
+     * Camelizes a given string.
+     */
+    private function camelize(string $string): string
+    {
+        return str_replace(' ', '', ucwords(str_replace('_', ' ', $string)));
+    }
+
+
+    public function isWritable(string $class, string $property, array $context = [])
+    {
+        //Check writeablity using a camelized property name
+        $isWriteable = $this->reflectionExtractor->isWritable($class, $this->camelize($property), $context);
+        //If we found a writeable property that way, return true
+        if ($isWriteable === true) {
+            return true;
+        }
+
+        //Otherwise skip this extractor
+        return null;
+    }
+}