Add typed DB entities based on PHP reflection

lib/composer/composer/autoload_classmap.php

@@ -34,6 +34,7 @@
     'OCP\\AppFramework\\Db\\MultipleObjectsReturnedException' => $baseDir . '/lib/public/AppFramework/Db/MultipleObjectsReturnedException.php',
     'OCP\\AppFramework\\Db\\QBMapper' => $baseDir . '/lib/public/AppFramework/Db/QBMapper.php',
     'OCP\\AppFramework\\Db\\TTransactional' => $baseDir . '/lib/public/AppFramework/Db/TTransactional.php',
+    'OCP\\AppFramework\\Db\\TypedEntity' => $baseDir . '/lib/public/AppFramework/Db/TypedEntity.php',
     'OCP\\AppFramework\\Http' => $baseDir . '/lib/public/AppFramework/Http.php',
     'OCP\\AppFramework\\Http\\ContentSecurityPolicy' => $baseDir . '/lib/public/AppFramework/Http/ContentSecurityPolicy.php',
     'OCP\\AppFramework\\Http\\DataDisplayResponse' => $baseDir . '/lib/public/AppFramework/Http/DataDisplayResponse.php',

lib/composer/composer/autoload_static.php

@@ -67,6 +67,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OCP\\AppFramework\\Db\\MultipleObjectsReturnedException' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Db/MultipleObjectsReturnedException.php',
         'OCP\\AppFramework\\Db\\QBMapper' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Db/QBMapper.php',
         'OCP\\AppFramework\\Db\\TTransactional' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Db/TTransactional.php',
+        'OCP\\AppFramework\\Db\\TypedEntity' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Db/TypedEntity.php',
         'OCP\\AppFramework\\Http' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http.php',
         'OCP\\AppFramework\\Http\\ContentSecurityPolicy' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http/ContentSecurityPolicy.php',
         'OCP\\AppFramework\\Http\\DataDisplayResponse' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Http/DataDisplayResponse.php',

lib/public/AppFramework/Db/TypedEntity.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @copyright 2022 Christoph Wurst <[email protected]>
+ *
+ * @author 2022 Christoph Wurst <[email protected]>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+namespace OCP\AppFramework\Db;
+
+use ReflectionClass;
+use function get_class;
+
+class TypedEntity extends Entity {
+
+	/** @var string[][] */
+	static $reflectedFieldTypes = [];
+
+	public function __construct() {
+		$class = get_class($this);
+		$cachedTypes = self::$reflectedFieldTypes[get_class($this)] ?? null;
+		if ($cachedTypes !== null) {
+			foreach ($cachedTypes as $name => $type) {
+				$this->addType($name, $type);
+			}
+		} else {
+			$reflectedSelf = new ReflectionClass($this);
+			$fieldTypes = $this->getFieldTypes();
+			self::$reflectedFieldTypes[$class] = [];
+			foreach ($reflectedSelf->getProperties() as $property) {
+				if (isset($fieldTypes[$property->getName()])) {
+					// Don't override
+					continue;
+				}
+				$propertyType = $property->getType();
+				if ($propertyType === null) {
+					// Can't derive
+					continue;
+				}
+
+				if (!$propertyType->isBuiltin()) {
+					// Complex type is not supported
+					continue;
+				}
+
+				$this->addType($property->getName(), $propertyType->getName());
+				self::$reflectedFieldTypes[$class][$property->getName()] = $propertyType->getName();
+			}
+		}
+	}
+
+}