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application/Espo/ORM/Value/GeneralAttributeExtractor.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\ORM\Value;
+
+use stdClass;
+
+class GeneralAttributeExtractor
+{
+    /** @var AttributeExtractorFactory<object> */
+    private AttributeExtractorFactory $factory;
+
+    /**
+     * @var array<string, AttributeExtractor<object>>
+     */
+    private $cache = [];
+
+    /**
+     * @param AttributeExtractorFactory<object> $factory
+     */
+    public function __construct(AttributeExtractorFactory $factory)
+    {
+        $this->factory = $factory;
+    }
+
+    /**
+     * Extracts attributes from a value object.
+     */
+    public function extract(string $entityType, string $field, ?object $value): stdClass
+    {
+        $extractor = $this->getExtractor($entityType, $field);
+
+        if (is_null($value)) {
+            return $extractor->extractFromNull($field);
+        }
+
+        return $extractor->extract($value, $field);
+    }
+
+    /**
+     * @return AttributeExtractor<object>
+     */
+    private function getExtractor(string $entityType, string $field): AttributeExtractor
+    {
+        $key = $entityType . '_' . $field;
+
+        if (!array_key_exists($key, $this->cache)) {
+            $this->cache[$key] = $this->factory->create($entityType, $field);
+        }
+
+        return $this->cache[$key];
+    }
+}