Initial commit

application/Espo/Core/Formula/AttributeFetcher.php

@@ -0,0 +1,187 @@
+<?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\Core\Formula;
+
+use Espo\Core\FieldProcessing\SpecificFieldLoader;
+use Espo\Core\ORM\Defs\AttributeParam;
+use Espo\Core\Utils\FieldUtil;
+use Espo\Entities\EmailAddress;
+use Espo\Entities\PhoneNumber;
+use Espo\ORM\Defs\Params\AttributeParam as OrmAttributeParam;
+use Espo\ORM\Entity;
+use Espo\Core\ORM\Entity as CoreEntity;
+use Espo\ORM\EntityManager;
+use Espo\Repositories\EmailAddress as EmailAddressRepository;
+use Espo\Repositories\PhoneNumber as PhoneNumberRepository;
+
+/**
+ * Fetches attributes from an entity.
+ */
+class AttributeFetcher
+{
+    /** @var array<string, mixed> */
+    private $relatedEntitiesCacheMap = [];
+
+    public function __construct(
+        private EntityManager $entityManager,
+        private FieldUtil $fieldUtil,
+        private SpecificFieldLoader $specificFieldLoader,
+    ) {}
+
+    public function fetch(Entity $entity, string $attribute, bool $getFetchedAttribute = false): mixed
+    {
+        if (str_contains($attribute, '.')) {
+            $arr = explode('.', $attribute);
+
+            $relationName = $arr[0];
+
+            $key = $this->buildKey($entity, $relationName);
+
+            if (
+                !array_key_exists($key, $this->relatedEntitiesCacheMap) &&
+                $entity->hasRelation($relationName) &&
+                !in_array(
+                    $entity->getRelationType($relationName),
+                    [Entity::MANY_MANY, Entity::HAS_MANY, Entity::HAS_CHILDREN]
+                )
+            ) {
+                $this->relatedEntitiesCacheMap[$key] = $this->entityManager
+                    ->getRDBRepository($entity->getEntityType())
+                    ->getRelation($entity, $relationName)
+                    ->findOne();
+            }
+
+            $relatedEntity = $this->relatedEntitiesCacheMap[$key] ?? null;
+
+            if (
+                $relatedEntity instanceof Entity &&
+                count($arr) > 1
+            ) {
+                return $this->fetch($relatedEntity, $arr[1]);
+            }
+
+            return null;
+        }
+
+        if ($getFetchedAttribute) {
+            return $entity->getFetched($attribute);
+        }
+
+        if (
+            $entity instanceof CoreEntity &&
+            !$entity->has($attribute)
+        ) {
+            $this->load($entity, $attribute);
+        }
+
+        return $entity->get($attribute);
+    }
+
+    private function load(CoreEntity $entity, string $attribute): void
+    {
+        if ($entity->getAttributeParam($attribute, 'isParentName')) {
+            /** @var ?string $relationName */
+            $relationName = $entity->getAttributeParam($attribute, OrmAttributeParam::RELATION);
+
+            if ($relationName) {
+                $entity->loadParentNameField($relationName);
+            }
+
+            return;
+        }
+
+        if ($entity->getAttributeParam($attribute, AttributeParam::IS_LINK_MULTIPLE_ID_LIST)) {
+            /** @var ?string $relationName */
+            $relationName = $entity->getAttributeParam($attribute, OrmAttributeParam::RELATION);
+
+            if ($relationName) {
+                $entity->loadLinkMultipleField($relationName);
+            }
+
+            return;
+        }
+
+        if ($entity->getAttributeParam($attribute, 'isEmailAddressData')) {
+            /** @var ?string $fieldName */
+            $fieldName = $entity->getAttributeParam($attribute, 'field');
+
+            if (!$fieldName) {
+                return;
+            }
+
+            /** @var EmailAddressRepository $emailAddressRepository */
+            $emailAddressRepository = $this->entityManager->getRepository(EmailAddress::ENTITY_TYPE);
+
+            $data = $emailAddressRepository->getEmailAddressData($entity);
+
+            $entity->set($attribute, $data);
+            $entity->setFetched($attribute, $data);
+
+            return;
+        }
+
+        if ($entity->getAttributeParam($attribute, 'isPhoneNumberData')) {
+            /** @var ?string $fieldName */
+            $fieldName = $entity->getAttributeParam($attribute, 'field');
+
+            if (!$fieldName) {
+                return;
+            }
+
+            /** @var PhoneNumberRepository $phoneNumberRepository */
+            $phoneNumberRepository = $this->entityManager->getRepository(PhoneNumber::ENTITY_TYPE);
+
+            $data = $phoneNumberRepository->getPhoneNumberData($entity);
+
+            $entity->set($attribute, $data);
+            $entity->setFetched($attribute, $data);
+
+            return;
+        }
+
+        $field = $this->fieldUtil->getFieldOfAttribute($entity->getEntityType(), $attribute);
+
+        if (!$field) {
+            return;
+        }
+
+        $this->specificFieldLoader->process($entity, $field);
+    }
+
+    public function resetRuntimeCache(): void
+    {
+        $this->relatedEntitiesCacheMap = [];
+    }
+
+    private function buildKey(Entity $entity, string $link): string
+    {
+        return spl_object_hash($entity) . '-' . $link;
+    }
+}