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application/Espo/Core/FieldProcessing/Stream/FollowersLoader.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\Core\FieldProcessing\Stream;
+
+use Espo\Core\Name\Field;
+use Espo\ORM\Entity;
+use Espo\Core\Acl;
+use Espo\Core\FieldProcessing\Loader as LoaderInterface;
+use Espo\Core\FieldProcessing\Loader\Params;
+use Espo\Core\Utils\Config;
+use Espo\Core\Utils\Metadata;
+use Espo\Entities\User;
+use Espo\Tools\Stream\Service as StreamService;
+
+/**
+ * @implements LoaderInterface<Entity>
+ */
+class FollowersLoader implements LoaderInterface
+{
+    private const FOLLOWERS_LIMIT = 6;
+
+    public function __construct(
+        private StreamService $streamService,
+        private Metadata $metadata,
+        private User $user,
+        private Acl $acl,
+        private Config $config
+    ) {}
+
+    public function process(Entity $entity, Params $params): void
+    {
+        $this->processIsFollowed($entity);
+        $this->processFollowers($entity);
+    }
+
+    public function processIsFollowed(Entity $entity): void
+    {
+        if (!$entity->hasAttribute(Field::IS_FOLLOWED)) {
+            return;
+        }
+
+        $isFollowed = $this->streamService->checkIsFollowed($entity);
+
+        $entity->set(Field::IS_FOLLOWED, $isFollowed);
+    }
+
+    public function processFollowers(Entity $entity): void
+    {
+        if ($this->user->isPortal()) {
+            return;
+        }
+
+        if (!$this->metadata->get(['scopes', $entity->getEntityType(), 'stream'])) {
+            return;
+        }
+
+        if (!$this->acl->checkEntityStream($entity)) {
+            return;
+        }
+
+        $limit = $this->config->get('recordFollowersLoadLimit') ?? self::FOLLOWERS_LIMIT;
+
+        $data = $this->streamService->getEntityFollowers($entity, 0, $limit);
+
+        $entity->set(Field::FOLLOWERS . 'Ids', $data['idList']);
+        $entity->set(Field::FOLLOWERS . 'Names', $data['nameMap']);
+    }
+}