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application/Espo/Modules/Crm/Tools/Activities/ComposeEmailService.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\Modules\Crm\Tools\Activities;
+
+use Espo\Core\Acl;
+use Espo\Core\Field\EmailAddress;
+use Espo\Core\Templates\Entities\Company;
+use Espo\Core\Templates\Entities\Person;
+use Espo\Core\Utils\Metadata;
+use Espo\Modules\Crm\Entities\Account;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\Modules\Crm\Entities\Lead;
+use Espo\ORM\Defs\RelationDefs;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Type\RelationType;
+use Espo\Tools\Email\EmailAddressEntityPair;
+
+class ComposeEmailService
+{
+    public function __construct(
+        private EntityManager $entityManager,
+        private  Metadata $metadata,
+        private Acl $acl
+    ) {}
+
+    /**
+     * @return EmailAddressEntityPair[]
+     */
+    public function getEmailAddressList(Entity $entity): array
+    {
+        $relations = $this->getRelations($entity);
+
+        foreach ($relations as $relation) {
+            $address = $this->getPersonEmailAddress($entity, $relation->getName());
+
+            if ($address) {
+                return [$address];
+            }
+        }
+
+        return [];
+    }
+
+    private function getPersonEmailAddress(Entity $entity, string $link): ?EmailAddressEntityPair
+    {
+        $foreignEntity = $this->entityManager
+            ->getRDBRepository($entity->getEntityType())
+            ->getRelation($entity, $link)
+            ->findOne();
+
+        if (!$foreignEntity) {
+            return null;
+        }
+
+        if (!$this->acl->checkEntityRead($foreignEntity)) {
+            return null;
+        }
+
+        if (!$this->acl->checkField($foreignEntity->getEntityType(), 'emailAddress')) {
+            return null;
+        }
+
+        /** @var ?string $address */
+        $address = $foreignEntity->get('emailAddress');
+
+        if (!$address) {
+            return null;
+        }
+
+        $emailAddress = EmailAddress::create($address);
+
+        return new EmailAddressEntityPair($emailAddress, $foreignEntity);
+    }
+
+    /**
+     * @return RelationDefs[]
+     */
+    private function getRelations(Entity $entity): array
+    {
+        $relations = $this->entityManager
+            ->getDefs()
+            ->getEntity($entity->getEntityType())
+            ->getRelationList();
+
+        $targetRelations = [];
+
+        foreach ($relations as $relation) {
+            if (
+                $relation->getType() !== RelationType::BELONGS_TO &&
+                $relation->getType() !== RelationType::HAS_ONE
+            ) {
+                continue;
+            }
+
+            $foreignEntityType = $relation->getForeignEntityType();
+
+            if (
+                $foreignEntityType !== Account::ENTITY_TYPE &&
+                $foreignEntityType !== Contact::ENTITY_TYPE &&
+                $foreignEntityType !== Lead::ENTITY_TYPE &&
+                $this->metadata->get("scopes.$foreignEntityType.type") !== Person::TEMPLATE_TYPE &&
+                $this->metadata->get("scopes.$foreignEntityType.type") !== Company::TEMPLATE_TYPE
+            ) {
+                continue;
+            }
+
+            $targetRelations[] = $relation;
+        }
+
+        return $this->sortRelations($targetRelations);
+    }
+
+    /**
+     * @param RelationDefs[] $targetRelations
+     * @return RelationDefs[]
+     */
+    private function sortRelations(array $targetRelations): array
+    {
+        usort($targetRelations, function (RelationDefs $a, RelationDefs $b) {
+            $entityTypeList = [
+                Account::ENTITY_TYPE,
+                Contact::ENTITY_TYPE,
+                Lead::ENTITY_TYPE,
+            ];
+
+            $index1 = array_search($a->getForeignEntityType(), $entityTypeList);
+            $index2 = array_search($b->getForeignEntityType(), $entityTypeList);
+
+            if ($index1 !== false && $index2 === false) {
+                return -1;
+            }
+
+            if ($index1 === false && $index2 !== false) {
+                return 1;
+            }
+
+            if ($index1 !== false && $index2 !== false && $index1 !== $index2) {
+                return $index1 - $index2;
+            }
+
+            return 0;
+        });
+
+        return $targetRelations;
+    }
+}