Initial commit

application/Espo/Modules/Crm/Hooks/Account/Contacts.php

@@ -0,0 +1,84 @@
+<?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\Hooks\Account;
+
+use Espo\ORM\{
+    Entity,
+    EntityManager,
+};
+
+class Contacts
+{
+    /**
+     * @var EntityManager
+     */
+    protected $entityManager;
+
+    public function __construct(EntityManager $entityManager)
+    {
+        $this->entityManager = $entityManager;
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     * @param array<string, mixed> $data
+     */
+    public function afterRelate(Entity $entity, array $options = [], array $data = []): void
+    {
+        $relationName = $data['relationName'] ?? null;
+        $foreignEntity = $data['foreignEntity'] ?? null;
+
+        if ($relationName === 'contacts' && $foreignEntity) {
+            if (!$foreignEntity->get('accountId') && $foreignEntity->has('accountId')) {
+                $foreignEntity->set('accountId', $entity->getId());
+
+                $this->entityManager->saveEntity($foreignEntity);
+            }
+        }
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     * @param array<string, mixed> $data
+     */
+    public function afterUnrelate(Entity $entity, array $options = [], array $data = []): void
+    {
+        $relationName = $data['relationName'] ?? null;
+        $foreignEntity = $data['foreignEntity'] ?? null;
+
+        if ($relationName === 'contacts' && $foreignEntity) {
+            if ($foreignEntity->get('accountId') && $foreignEntity->get('accountId') === $entity->getId()) {
+                $foreignEntity->set('accountId', null);
+
+                $this->entityManager->saveEntity($foreignEntity);
+            }
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Account/TargetList.php

@@ -0,0 +1,63 @@
+<?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\Hooks\Account;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\ORM\Repository\Option\SaveOption;
+use Espo\Modules\Crm\Entities\Account;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Account>
+ */
+class TargetList implements AfterSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$options->get(SaveOption::IMPORT)) {
+            return;
+        }
+
+        $targetListId = $entity->get('targetListId');
+
+        if (!$targetListId) {
+            return;
+        }
+
+        $this->entityManager
+            ->getRDBRepositoryByClass(Account::class)
+            ->getRelation($entity, 'targetLists')
+            ->relateById($targetListId);
+    }
+}

application/Espo/Modules/Crm/Hooks/Call/CalendarWebSocket.php

@@ -0,0 +1,66 @@
+<?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\Hooks\Call;
+
+use Espo\Core\Hook\Hook\AfterRemove;
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\WebSocket\Submission;
+use Espo\Modules\Crm\Entities\Call;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\RemoveOptions;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Call>
+ * @implements AfterRemove<Call>
+ */
+class CalendarWebSocket implements AfterSave, AfterRemove
+{
+    public function __construct(
+        private Submission $submission,
+    ) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        $this->process($entity);
+    }
+
+    public function afterRemove(Entity $entity, RemoveOptions $options): void
+    {
+        $this->process($entity);
+    }
+
+    private function process(Call $entity): void
+    {
+        foreach ($entity->getUsers()->getIdList() as $userId) {
+            $this->submission->submit('calendarUpdate', $userId);
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Call/ParentLink.php

@@ -0,0 +1,35 @@
+<?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\Hooks\Call;
+
+use Espo\Modules\Crm\Hooks\Meeting\ParentLink as MeetingParentLink;
+
+class ParentLink extends MeetingParentLink
+{}

application/Espo/Modules/Crm/Hooks/Call/Uid.php

@@ -0,0 +1,55 @@
+<?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\Hooks\Call;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Utils\Util;
+use Espo\Modules\Crm\Entities\Call;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<Call>
+ */
+class Uid implements BeforeSave
+{
+    public function __construct() {}
+
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isNew() || $entity->getUid()) {
+            return;
+        }
+
+        $uid = Util::generateUuid4();
+
+        $entity->setUid($uid);
+    }
+}

application/Espo/Modules/Crm/Hooks/Call/Users.php

@@ -0,0 +1,35 @@
+<?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\Hooks\Call;
+
+use Espo\Modules\Crm\Hooks\Meeting\Users as MeetingUsers;
+
+class Users extends MeetingUsers
+{}

application/Espo/Modules/Crm/Hooks/CaseObj/Contacts.php

@@ -0,0 +1,130 @@
+<?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\Hooks\CaseObj;
+
+use Espo\Core\FieldProcessing\Stream\FollowersLoader;
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Entities\User;
+use Espo\Modules\Crm\Entities\CaseObj;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Repository\Option\SaveOptions;
+use Espo\Tools\Stream\Service as StreamService;
+
+/**
+ * @implements AfterSave<CaseObj>
+ */
+class Contacts implements AfterSave
+{
+    private const ATTR_CONTACT_ID = 'contactId';
+    private const RELATION_CONTACTS = 'contacts';
+
+    public function __construct(
+        private EntityManager $entityManager,
+        private FollowersLoader $followersLoader,
+        private StreamService $streamService,
+    ) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isAttributeChanged(self::ATTR_CONTACT_ID)) {
+            return;
+        }
+
+        $contact = $entity->getContact();
+
+        /** @var ?string $fetchedContactId */
+        $fetchedContactId = $entity->getFetched(self::ATTR_CONTACT_ID);
+
+        $contactsRelation = $this->entityManager->getRelation($entity, self::RELATION_CONTACTS);
+
+        if ($fetchedContactId) {
+            $previousPortalUser = $this->entityManager
+                ->getRDBRepositoryByClass(User::class)
+                ->select([Attribute::ID])
+                ->where([
+                    'contactId' => $fetchedContactId,
+                    'type' => User::TYPE_PORTAL,
+                ])
+                ->findOne();
+
+            if ($previousPortalUser) {
+                $this->streamService->unfollowEntity($entity, $previousPortalUser->getId());
+
+                $this->followersLoader->processFollowers($entity);
+            }
+        }
+
+        if (!$contact && $fetchedContactId) {
+            $contactsRelation->unrelateById($fetchedContactId);
+
+            return;
+        }
+
+        if (!$contact) {
+            return;
+        }
+
+        $portalUser = $this->getPortalUser($contact->getId());
+
+        if ($portalUser && !$entity->isInternal()) {
+            // @todo Solve ACL check issue when a user is in multiple portals.
+            $this->streamService->followEntity($entity, $portalUser->getId());
+
+            if (!$entity->isNew()) {
+                $this->followersLoader->processFollowers($entity);
+            }
+        }
+
+        if (in_array($contact->getId(), $entity->getContacts()->getIdList())) {
+            return;
+        }
+
+        if ($contactsRelation->isRelatedById($contact->getId())) {
+            return;
+        }
+
+        $contactsRelation->relateById($contact->getId());
+    }
+
+    private function getPortalUser(?string $contactId): ?User
+    {
+        return $this->entityManager
+            ->getRDBRepositoryByClass(User::class)
+            ->select([Attribute::ID])
+            ->where([
+                'contactId' => $contactId,
+                'type' => User::TYPE_PORTAL,
+                'isActive' => true,
+            ])
+            ->findOne();
+    }
+}

application/Espo/Modules/Crm/Hooks/CaseObj/IsInternal.php

@@ -0,0 +1,65 @@
+<?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\Hooks\CaseObj;
+
+use Espo\Core\FieldProcessing\Stream\FollowersLoader;
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Modules\Crm\Entities\CaseObj;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+use Espo\Services\Stream;
+
+
+/**
+ * @implements AfterSave<CaseObj>
+ */
+class IsInternal implements AfterSave
+{
+    public function __construct(
+        private Stream $streamService,
+        private FollowersLoader $followersLoader,
+    ) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        $this->processUnfollowPortalUsers($entity);
+    }
+
+    private function processUnfollowPortalUsers(CaseObj $entity): void
+    {
+        if (!$entity->isInternal() || $entity->isNew()) {
+            return;
+        }
+
+        $this->streamService->unfollowPortalUsersFromEntity($entity);
+
+        $this->followersLoader->processFollowers($entity);
+    }
+}

application/Espo/Modules/Crm/Hooks/Common/CalendarWebSocket.php

@@ -0,0 +1,83 @@
+<?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\Hooks\Common;
+
+use Espo\Core\Hook\Hook\AfterRemove;
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\Name\Field;
+use Espo\Core\Templates\Entities\Event;
+use Espo\Core\WebSocket\Submission;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\RemoveOptions;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Entity>
+ * @implements AfterRemove<Entity>
+ */
+class CalendarWebSocket implements AfterSave, AfterRemove
+{
+    public function __construct(
+        private Submission $submission,
+    ) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity instanceof Event) {
+            return;
+        }
+
+        $this->process($entity);
+    }
+
+    public function afterRemove(Entity $entity, RemoveOptions $options): void
+    {
+        if (!$entity instanceof Event) {
+            return;
+        }
+
+        $this->process($entity);
+    }
+
+    private function process(Event $entity): void
+    {
+        if ($entity->hasLinkMultipleField(Field::ASSIGNED_USERS)) {
+            foreach ($entity->getLinkMultipleIdList(Field::ASSIGNED_USERS) as $userId) {
+                $this->submission->submit('calendarUpdate', $userId);
+            }
+
+            return;
+        }
+
+        if ($entity->getAssignedUser()) {
+            $this->submission->submit('calendarUpdate', $entity->getAssignedUser()->getId());
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Contact/Accounts.php

@@ -0,0 +1,97 @@
+<?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\Hooks\Contact;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Contact>
+ */
+class Accounts implements AfterSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    /**
+     * @param Contact $entity
+     */
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        $accountIdChanged = $entity->isAttributeChanged('accountId');
+        $titleChanged = $entity->isAttributeChanged('title');
+
+        /** @var ?string $fetchedAccountId */
+        $fetchedAccountId = $entity->getFetched('accountId');
+        $accountId = $entity->getAccount()?->getId();
+        $title = $entity->getTitle();
+
+        $relation = $this->entityManager
+            ->getRDBRepositoryByClass(Contact::class)
+            ->getRelation($entity, 'accounts');
+
+        if (!$accountId && $fetchedAccountId) {
+            $relation->unrelateById($fetchedAccountId);
+
+            return;
+        }
+
+        if (!$accountIdChanged && !$titleChanged) {
+            return;
+        }
+
+        if (!$accountId) {
+            return;
+        }
+
+        $accountContact = $this->entityManager
+            ->getRDBRepository('AccountContact')
+            ->select(['role'])
+            ->where([
+                'accountId' => $accountId,
+                'contactId' => $entity->getId(),
+                Attribute::DELETED => false,
+            ])
+            ->findOne();
+
+        if (!$accountContact && $accountIdChanged) {
+            $relation->relateById($accountId, ['role' => $title]);
+
+            return;
+        }
+
+        if ($titleChanged && $accountContact && $title !== $accountContact->get('role')) {
+            $relation->updateColumnsById($accountId, ['role' => $title]);
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Contact/Opportunities.php

@@ -0,0 +1,81 @@
+<?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\Hooks\Contact;
+
+use Espo\ORM\EntityManager;
+use Espo\ORM\Entity;
+
+class Opportunities
+{
+    private EntityManager $entityManager;
+
+    public function __construct(EntityManager $entityManager)
+    {
+        $this->entityManager = $entityManager;
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     * @param array<string, mixed> $data
+     */
+    public function afterRelate(Entity $entity, array $options = [], array $data = []): void
+    {
+        $relationName = $data['relationName'] ?? null;
+        /** @var ?Entity $foreignEntity */
+        $foreignEntity = $data['foreignEntity'] ?? null;
+
+        if ($relationName === 'opportunities' && $foreignEntity) {
+            if (!$foreignEntity->get('contactId') && $foreignEntity->has('contactId')) {
+                $foreignEntity->set('contactId', $entity->getId());
+
+                $this->entityManager->saveEntity($foreignEntity);
+            }
+        }
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     * @param array<string, mixed> $data
+     */
+    public function afterUnrelate(Entity $entity, array $options = [], array $data = []): void
+    {
+        $relationName = $data['relationName'] ?? null;
+        /** @var ?Entity $foreignEntity */
+        $foreignEntity = $data['foreignEntity'] ?? null;
+
+        if ($relationName === 'opportunities' && $foreignEntity) {
+            if ($foreignEntity->get('contactId') && $foreignEntity->get('contactId') === $entity->getId()) {
+                $foreignEntity->set('contactId', null);
+
+                $this->entityManager->saveEntity($foreignEntity);
+            }
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Contact/TargetList.php

@@ -0,0 +1,63 @@
+<?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\Hooks\Contact;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\ORM\Repository\Option\SaveOption;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Contact>
+ */
+class TargetList implements AfterSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$options->get(SaveOption::IMPORT)) {
+            return;
+        }
+
+        $targetListId = $entity->get('targetListId');
+
+        if (!$targetListId) {
+            return;
+        }
+
+        $this->entityManager
+            ->getRDBRepositoryByClass(Contact::class)
+            ->getRelation($entity, 'targetLists')
+            ->relateById($targetListId);
+    }
+}

application/Espo/Modules/Crm/Hooks/KnowledgeBaseArticle/SetBodyPlain.php

@@ -0,0 +1,65 @@
+<?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\Hooks\KnowledgeBaseArticle;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Modules\Crm\Entities\KnowledgeBaseArticle;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+use Espo\Tools\Email\Util as EmailUtil;
+
+/**
+ * @implements BeforeSave<KnowledgeBaseArticle>
+ */
+class SetBodyPlain implements BeforeSave
+{
+    private const ATTR_BODY = 'body';
+    private const ATTR_BODY_PLAIN = 'bodyPlain';
+
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isAttributeChanged(self::ATTR_BODY)) {
+            return;
+        }
+
+        $bodyPlain = $this->stripHtml($entity->getBody());
+
+        $entity->set(self::ATTR_BODY_PLAIN, $bodyPlain);
+    }
+
+    private function stripHtml(?string $body): ?string
+    {
+        if (!$body) {
+            return null;
+        }
+
+        return EmailUtil::stripHtml($body) ?: null;
+    }
+}

application/Espo/Modules/Crm/Hooks/KnowledgeBaseArticle/SetOrder.php

@@ -0,0 +1,65 @@
+<?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\Hooks\KnowledgeBaseArticle;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Modules\Crm\Entities\KnowledgeBaseArticle;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<KnowledgeBaseArticle>
+ */
+class SetOrder implements BeforeSave
+{
+    public function __construct(
+        private EntityManager $entityManager
+    ) {}
+
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        $order = $entity->getOrder();
+
+        if (is_null($order)) {
+            $order = $this->entityManager
+                ->getRDBRepository($entity->getEntityType())
+                ->min('order');
+
+            if (!$order) {
+                $order = 9999;
+            }
+
+            $order--;
+
+            $entity->set('order', $order);
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Lead/ConvertedAt.php

@@ -0,0 +1,62 @@
+<?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\Hooks\Lead;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Modules\Crm\Entities\Lead;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<Lead>
+ */
+class ConvertedAt implements BeforeSave
+{
+    /**
+     * @param Lead $entity
+     */
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isAttributeChanged('status')) {
+            return;
+        }
+
+        if ($entity->getConvertedAt() ) {
+            return;
+        }
+
+        if ($entity->getStatus() !== Lead::STATUS_CONVERTED) {
+            return;
+        }
+
+        $entity->setValueObject('convertedAt', DateTime::createNow());
+    }
+}

application/Espo/Modules/Crm/Hooks/Lead/TargetList.php

@@ -0,0 +1,63 @@
+<?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\Hooks\Lead;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\ORM\Repository\Option\SaveOption;
+use Espo\Modules\Crm\Entities\Lead;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Lead>
+ */
+class TargetList implements AfterSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$options->get(SaveOption::IMPORT)) {
+            return;
+        }
+
+        $targetListId = $entity->get('targetListId');
+
+        if (!$targetListId) {
+            return;
+        }
+
+        $this->entityManager
+            ->getRDBRepositoryByClass(Lead::class)
+            ->getRelation($entity, 'targetLists')
+            ->relateById($targetListId);
+    }
+}

application/Espo/Modules/Crm/Hooks/MassEmail/DeleteQueue.php

@@ -0,0 +1,57 @@
+<?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\Hooks\MassEmail;
+
+use Espo\Core\Hook\Hook\AfterRemove;
+use Espo\Modules\Crm\Entities\EmailQueueItem;
+use Espo\Modules\Crm\Entities\MassEmail;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\RemoveOptions;
+
+/**
+ * @implements AfterRemove<MassEmail>
+ */
+class DeleteQueue implements AfterRemove
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    public function afterRemove(Entity $entity, RemoveOptions $options): void
+    {
+        $deleteQuery = $this->entityManager
+            ->getQueryBuilder()
+            ->delete()
+            ->from(EmailQueueItem::ENTITY_TYPE)
+            ->where(['massEmailId' => $entity->getId()])
+            ->build();
+
+        $this->entityManager->getQueryExecutor()->execute($deleteQuery);
+    }
+}

application/Espo/Modules/Crm/Hooks/Meeting/CalendarWebSocket.php

@@ -0,0 +1,66 @@
+<?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\Hooks\Meeting;
+
+use Espo\Core\Hook\Hook\AfterRemove;
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\WebSocket\Submission;
+use Espo\Modules\Crm\Entities\Meeting;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\RemoveOptions;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Meeting>
+ * @implements AfterRemove<Meeting>
+ */
+class CalendarWebSocket implements AfterSave, AfterRemove
+{
+    public function __construct(
+        private Submission $submission,
+    ) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        $this->process($entity);
+    }
+
+    public function afterRemove(Entity $entity, RemoveOptions $options): void
+    {
+        $this->process($entity);
+    }
+
+    private function process(Meeting $entity): void
+    {
+        foreach ($entity->getUsers()->getIdList() as $userId) {
+            $this->submission->submit('calendarUpdate', $userId);
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Meeting/EmailCreatedEvent.php

@@ -0,0 +1,72 @@
+<?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\Hooks\Meeting;
+
+use Espo\Core\ORM\Repository\Option\SaveOption;
+use Espo\Entities\Email;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Entity;
+
+class EmailCreatedEvent
+{
+    private EntityManager $entityManager;
+
+    public function __construct(EntityManager $entityManager)
+    {
+        $this->entityManager = $entityManager;
+    }
+
+    /**
+     * @param array<string, mixed> $options
+     */
+    public function afterRemove(Entity $entity, array $options): void
+    {
+        if (!empty($options[SaveOption::SILENT])) {
+            return;
+        }
+
+        $updateQuery = $this->entityManager
+            ->getQueryBuilder()
+            ->update()
+            ->in(Email::ENTITY_TYPE)
+            ->set([
+                'createdEventId' => null,
+                'createdEventType' => null,
+            ])
+            ->where([
+                'createdEventId' => $entity->getId(),
+                'createdEventType' => $entity->getEntityType()
+            ])
+            ->limit(1)
+            ->build();
+
+        $this->entityManager->getQueryExecutor()->execute($updateQuery);
+    }
+}

application/Espo/Modules/Crm/Hooks/Meeting/ParentLink.php

@@ -0,0 +1,133 @@
+<?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\Hooks\Meeting;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Name\Field;
+use Espo\Core\ORM\Entity as CoreEntity;
+use Espo\Modules\Crm\Entities\Account;
+use Espo\Modules\Crm\Entities\Lead;
+use Espo\ORM\Defs\Params\RelationParam;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<Entity>
+ */
+class ParentLink implements BeforeSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isNew() && $entity->isAttributeChanged('parentId')) {
+            $entity->set('accountId', null);
+        }
+
+        if (!$entity->isAttributeChanged('parentId') && !$entity->isAttributeChanged('parentType')) {
+            return;
+        }
+
+        $parent = null;
+
+        $parentId = $entity->get('parentId');
+        $parentType = $entity->get('parentType');
+
+        if ($parentId && $parentType && $this->entityManager->hasRepository($parentType)) {
+            $columnList = ['id', 'name'];
+
+            $defs = $this->entityManager->getMetadata()->getDefs();
+
+            if ($defs->getEntity($parentType)->hasAttribute('accountId')) {
+                $columnList[] = 'accountId';
+
+            }
+
+            if ($parentType === Lead::ENTITY_TYPE) {
+                $columnList[] = 'status';
+                $columnList[] = 'createdAccountId';
+                $columnList[] = 'createdAccountName';
+            }
+
+            $parent = $this->entityManager
+                ->getRDBRepository($parentType)
+                ->select($columnList)
+                ->where([Attribute::ID => $parentId])
+                ->findOne();
+        }
+
+        $accountId = null;
+        $accountName = null;
+
+        if ($parent) {
+            if ($parent instanceof Account) {
+                $accountId = $parent->getId();
+                $accountName = $parent->get(Field::NAME);
+            } else if (
+                $parent instanceof Lead &&
+                $parent->getStatus() === Lead::STATUS_CONVERTED &&
+                $parent->get('createdAccountId')
+            ) {
+                $accountId = $parent->get('createdAccountId');
+                $accountName = $parent->get('createdAccountName');
+            }
+
+            if (
+                !$accountId && $parent->get('accountId') &&
+                $parent instanceof CoreEntity &&
+                $parent->getRelationParam('account', RelationParam::ENTITY) === Account::ENTITY_TYPE
+            ) {
+                $accountId = $parent->get('accountId');
+            }
+
+            if ($accountId) {
+                $entity->set('accountId', $accountId);
+                $entity->set('accountName', $accountName);
+            }
+        }
+
+        if (
+            $entity->get('accountId') &&
+            !$entity->get('accountName')
+        ) {
+            $account = $this->entityManager
+                ->getRDBRepository(Account::ENTITY_TYPE)
+                ->select([Attribute::ID, Field::NAME])
+                ->where([Attribute::ID => $entity->get('accountId')])
+                ->findOne();
+
+            if ($account) {
+                $entity->set('accountName', $account->get(Field::NAME));
+            }
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Meeting/Uid.php

@@ -0,0 +1,104 @@
+<?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\Hooks\Meeting;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Mail\Event\EventFactory;
+use Espo\Core\Utils\Util;
+use Espo\Entities\Email;
+use Espo\Modules\Crm\Entities\Meeting;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\SaveOptions;
+use ICal\ICal;
+
+/**
+ * @implements BeforeSave<Meeting>
+ */
+class Uid implements BeforeSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isNew() || $entity->getUid()) {
+            return;
+        }
+
+        $uid = $this->getUid($entity);
+
+        $entity->setUid($uid);
+    }
+
+    private function getUid(Meeting $entity): string
+    {
+        $uid = $this->getIcsUid($entity);
+
+        if ($uid) {
+            return $uid;
+        }
+
+        return Util::generateUuid4();
+    }
+
+    private function getIcsUid(Meeting $entity): ?string
+    {
+        $email = $this->getEmail($entity);
+
+        if (!$email) {
+            return null;
+        }
+
+        $icsContents = $email->getIcsContents();
+
+        if (!$icsContents) {
+            return null;
+        }
+
+        $ical = new ICal();
+
+        $ical->initString($icsContents);
+
+        $espoEvent = EventFactory::createFromU01jmg3Ical($ical);
+
+        return $espoEvent->getUid();
+    }
+
+    private function getEmail(Meeting $entity): ?Email
+    {
+        $emailId = $entity->get('sourceEmailId');
+
+        if (!$emailId) {
+            return null;
+        }
+
+        return $this->entityManager->getRDBRepositoryByClass(Email::class)->getById($emailId);
+    }
+}

application/Espo/Modules/Crm/Hooks/Meeting/Users.php

@@ -0,0 +1,96 @@
+<?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\Hooks\Meeting;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Name\Field;
+use Espo\Core\ORM\Entity as CoreEntity;
+use Espo\Core\Utils\Config;
+use Espo\Entities\User;
+use Espo\Modules\Crm\Entities\Meeting;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<CoreEntity>
+ */
+class Users implements BeforeSave
+{
+    public static int $order = 12;
+
+    public function __construct(
+        private Config $config,
+        private User $user
+    ) {}
+
+    /**
+     * @param CoreEntity $entity
+     */
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$this->config->get('eventAssignedUserIsAttendeeDisabled')) {
+            if ($entity->hasLinkMultipleField(Field::ASSIGNED_USERS)) {
+                $assignedUserIdList = $entity->getLinkMultipleIdList(Field::ASSIGNED_USERS);
+
+                foreach ($assignedUserIdList as $assignedUserId) {
+                    $entity->addLinkMultipleId('users', $assignedUserId);
+                    $entity->setLinkMultipleName(
+                        'users',
+                        $assignedUserId,
+                        $entity->getLinkMultipleName(Field::ASSIGNED_USERS, $assignedUserId)
+                    );
+                }
+            } else {
+                $assignedUserId = $entity->get('assignedUserId');
+
+                if ($assignedUserId) {
+                    $entity->addLinkMultipleId('users', $assignedUserId);
+                    $entity->setLinkMultipleName('users', $assignedUserId, $entity->get('assignedUserName'));
+                }
+            }
+        }
+
+        if (!$entity->isNew()) {
+            return;
+        }
+
+        $currentUserId = $this->user->getId();
+
+        if (!$entity->hasLinkMultipleId('users', $currentUserId)) {
+            return;
+        }
+
+        $status = $entity->getLinkMultipleColumn('users', 'status', $currentUserId);
+
+        if (!$status || $status === Meeting::ATTENDEE_STATUS_NONE) {
+            $entity->setLinkMultipleColumn('users', 'status', $currentUserId, Meeting::ATTENDEE_STATUS_ACCEPTED);
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Opportunity/AmountWeightedConverted.php

@@ -0,0 +1,61 @@
+<?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\Hooks\Opportunity;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Modules\Crm\Entities\Opportunity;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Opportunity>
+ */
+class AmountWeightedConverted implements AfterSave
+{
+    /**
+     * @param Opportunity $entity
+     */
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (
+            !$entity->isAttributeChanged('amount') &&
+            !$entity->isAttributeChanged('probability')
+        ) {
+            return;
+        }
+
+        $amountConverted = $entity->get('amountConverted');
+        $probability = $entity->get('probability');
+
+        $amountWeightedConverted = round($amountConverted * $probability / 100, 2);
+
+        $entity->set('amountWeightedConverted', $amountWeightedConverted);
+    }
+}

application/Espo/Modules/Crm/Hooks/Opportunity/Contacts.php

@@ -0,0 +1,95 @@
+<?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\Hooks\Opportunity;
+
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\ORM\Repository\Option\SaveContext;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\Modules\Crm\Entities\Opportunity;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Opportunity>
+ */
+class Contacts implements AfterSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    /**
+     * @param Opportunity $entity
+     */
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isAttributeChanged('contactId')) {
+            return;
+        }
+
+        /** @var ?string $contactId */
+        $contactId = $entity->get('contactId');
+        $contactIdList = $entity->get('contactsIds') ?? [];
+        $fetchedContactId = $entity->getFetched('contactId');
+
+        $relation = $this->entityManager
+            ->getRDBRepositoryByClass(Opportunity::class)
+            ->getRelation($entity, 'contacts');
+
+        if (!$contactId) {
+            if ($fetchedContactId && $relation->isRelatedById($fetchedContactId)) {
+                $relation->unrelateById($fetchedContactId, [
+                    SaveContext::NAME => $options->get(SaveContext::NAME),
+                ]);
+            }
+
+            return;
+        }
+
+        if (in_array($contactId, $contactIdList)) {
+            return;
+        }
+
+        $contact = $this->entityManager
+            ->getRDBRepositoryByClass(Contact::class)
+            ->getById($contactId);
+
+        if (!$contact) {
+            return;
+        }
+
+        if ($relation->isRelated($contact)) {
+            return;
+        }
+
+        $relation->relateById($contactId, null, [
+            SaveContext::NAME => $options->get(SaveContext::NAME),
+        ]);
+    }
+}

application/Espo/Modules/Crm/Hooks/Opportunity/LastStage.php

@@ -0,0 +1,165 @@
+<?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\Hooks\Opportunity;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Utils\Metadata;
+use Espo\Modules\Crm\Entities\Opportunity;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<Opportunity>
+ */
+class LastStage implements BeforeSave
+{
+    public static int $order = 8;
+
+    public function __construct(private Metadata $metadata) {}
+
+    /**
+     * @param Opportunity $entity
+     */
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (
+            $entity->isAttributeChanged('lastStage') ||
+            !$entity->isAttributeChanged('stage')
+        ) {
+            return;
+        }
+
+        $stage = $entity->getStage();
+
+        $probability = $this->metadata->get("entityDefs.Opportunity.fields.stage.probabilityMap.$stage");
+
+        if ($probability !== 0) {
+            $entity->setLastStage($entity->getStage());
+
+            return;
+        }
+
+        // Lost.
+
+        $probabilityMap = $this->getProbabilityMap();
+        $stageList = $this->getStageList();
+
+        if (!count($stageList)) {
+            return;
+        }
+
+        if ($entity->isNew()) {
+            // Created as Lost.
+
+            $min = 100;
+            $minStage = null;
+
+            foreach ($stageList as $stage) {
+                $itemProbability = $probabilityMap[$stage] ?? null;
+
+                if (
+                    $itemProbability === null ||
+                    $itemProbability == 100 ||
+                    $itemProbability === 0 ||
+                    $itemProbability >= $min
+                ) {
+                    continue;
+                }
+
+                $min = $itemProbability;
+                $minStage = $stage;
+            }
+
+            if (!$minStage) {
+                return;
+            }
+
+            $entity->setLastStage($minStage);
+
+            return;
+        }
+
+        // Won changed to Lost.
+
+        if (!$entity->getLastStage()) {
+            return;
+        }
+
+        $lastStageProbability = $probabilityMap[$entity->getLastStage()] ?? null;
+
+        if ($lastStageProbability !== 100) {
+            return;
+        }
+
+        $max = 0;
+        $maxStage = null;
+
+        foreach ($stageList as $stage) {
+            $itemProbability = $probabilityMap[$stage] ?? null;
+
+            if (
+                $itemProbability === null ||
+                $itemProbability === 100 ||
+                $itemProbability === 0 ||
+                $itemProbability <= $max
+            ) {
+                continue;
+            }
+
+            $max = $itemProbability;
+            $maxStage = $stage;
+        }
+
+        if (!$maxStage) {
+            return;
+        }
+
+        $entity->setLastStage($maxStage);
+    }
+
+    /**
+     * @return array<string, ?int>
+     */
+    private function getProbabilityMap(): array
+    {
+        /** @var array<string, ?int> $probabilityMap */
+        $probabilityMap = $this->metadata->get('entityDefs.Opportunity.fields.stage.probabilityMap') ?? [];
+
+        return $probabilityMap;
+    }
+
+    /**
+     * @return string[]
+     */
+    private function getStageList(): array
+    {
+        return $this->metadata->get('entityDefs.Opportunity.fields.stage.options') ?? [];
+    }
+}

application/Espo/Modules/Crm/Hooks/Opportunity/Probability.php

@@ -0,0 +1,70 @@
+<?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\Hooks\Opportunity;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Utils\Metadata;
+use Espo\Modules\Crm\Entities\Opportunity;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<Opportunity>
+ */
+class Probability implements BeforeSave
+{
+    public static int $order = 7;
+
+    public function __construct(private Metadata $metadata) {}
+
+    /**
+     * @param Opportunity $entity
+     */
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isNew()) {
+            return;
+        }
+
+        if ($entity->getProbability() !== null) {
+            return;
+        }
+
+        $stage = $entity->getStage();
+
+        if (!$stage) {
+            return;
+        }
+
+        $probability = $this->metadata->get("entityDefs.Opportunity.fields.stage.probabilityMap.$stage") ?? 0;
+
+        $entity->setProbability($probability);
+    }
+}

application/Espo/Modules/Crm/Hooks/Task/CalendarWebSocket.php

@@ -0,0 +1,75 @@
+<?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\Hooks\Task;
+
+use Espo\Core\Hook\Hook\AfterRemove;
+use Espo\Core\Hook\Hook\AfterSave;
+use Espo\Core\Name\Field;
+use Espo\Core\WebSocket\Submission;
+use Espo\Modules\Crm\Entities\Task;
+use Espo\ORM\Entity;
+use Espo\ORM\Repository\Option\RemoveOptions;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements AfterSave<Task>
+ * @implements AfterRemove<Task>
+ */
+class CalendarWebSocket implements AfterSave, AfterRemove
+{
+    public function __construct(
+        private Submission $submission,
+    ) {}
+
+    public function afterSave(Entity $entity, SaveOptions $options): void
+    {
+        $this->process($entity);
+    }
+
+    public function afterRemove(Entity $entity, RemoveOptions $options): void
+    {
+        $this->process($entity);
+    }
+
+    private function process(Task $entity): void
+    {
+        if ($entity->hasLinkMultipleField(Field::ASSIGNED_USERS)) {
+            foreach ($entity->getLinkMultipleIdList(Field::ASSIGNED_USERS) as $userId) {
+                $this->submission->submit('calendarUpdate', $userId);
+            }
+
+            return;
+        }
+
+        if ($entity->getAssignedUser()) {
+            $this->submission->submit('calendarUpdate', $entity->getAssignedUser()->getId());
+        }
+    }
+}

application/Espo/Modules/Crm/Hooks/Task/DateCompleted.php

@@ -0,0 +1,69 @@
+<?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\Hooks\Task;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\ORM\Repository\Option\SaveOption;
+use Espo\Modules\Crm\Entities\Task;
+use Espo\ORM\Entity;
+
+class DateCompleted
+{
+    private const FIELD_DATE_COMPLETED = 'dateCompleted';
+    private const FIELD_STATUS = 'status';
+
+    public function __construct() {}
+
+    /**
+     * @param Task $entity
+     * @param array<string, mixed> $options
+     */
+    public function beforeSave(Entity $entity, array $options): void
+    {
+        if (!$entity->isAttributeChanged(self::FIELD_STATUS)) {
+            return;
+        }
+
+        if (
+            ($options[SaveOption::IMPORT] ?? false) &&
+            $entity->get(self::FIELD_DATE_COMPLETED)
+        ) {
+            return;
+        }
+
+        if ($entity->getStatus() !== Task::STATUS_COMPLETED) {
+            $entity->set(self::FIELD_DATE_COMPLETED, null);
+
+            return;
+        }
+
+        $entity->setValueObject(self::FIELD_DATE_COMPLETED, DateTime::createNow());
+    }
+}

application/Espo/Modules/Crm/Hooks/Task/ParentLink.php

@@ -0,0 +1,183 @@
+<?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\Hooks\Task;
+
+use Espo\Core\Hook\Hook\BeforeSave;
+use Espo\Core\Name\Field;
+use Espo\Core\ORM\Entity as CoreEntity;
+use Espo\Modules\Crm\Entities\Account;
+use Espo\Modules\Crm\Entities\Contact;
+use Espo\Modules\Crm\Entities\Lead;
+use Espo\Modules\Crm\Entities\Task;
+use Espo\ORM\Defs\Params\RelationParam;
+use Espo\ORM\Entity;
+use Espo\ORM\EntityManager;
+use Espo\ORM\Name\Attribute;
+use Espo\ORM\Repository\Option\SaveOptions;
+
+/**
+ * @implements BeforeSave<Task>
+ */
+class ParentLink implements BeforeSave
+{
+    public function __construct(private EntityManager $entityManager) {}
+
+    /**
+     * @param Task $entity
+     */
+    public function beforeSave(Entity $entity, SaveOptions $options): void
+    {
+        if (!$entity->isNew() && $entity->isAttributeChanged('parentId')) {
+            $entity->set('accountId', null);
+            $entity->set('contactId', null);
+            $entity->set('accountName', null);
+            $entity->set('contactName', null);
+        }
+
+        if (!$entity->isAttributeChanged('parentId') && !$entity->isAttributeChanged('parentType')) {
+            return;
+        }
+
+        $parent = null;
+
+        $parentId = $entity->get('parentId');
+        $parentType = $entity->get('parentType');
+
+        if ($parentId && $parentType && $this->entityManager->hasRepository($parentType)) {
+            $columnList = ['id', 'name'];
+
+            $defs = $this->entityManager->getMetadata()->getDefs();
+
+            if ($defs->getEntity($parentType)->hasAttribute('accountId')) {
+                $columnList[] = 'accountId';
+            }
+
+            if ($defs->getEntity($parentType)->hasAttribute('contactId')) {
+                $columnList[] = 'contactId';
+            }
+
+            if ($parentType === Lead::ENTITY_TYPE) {
+                $columnList[] = 'status';
+                $columnList[] = 'createdAccountId';
+                $columnList[] = 'createdAccountName';
+                $columnList[] = 'createdContactId';
+                $columnList[] = 'createdContactName';
+            }
+
+            $parent = $this->entityManager
+                ->getRDBRepository($parentType)
+                ->select($columnList)
+                ->where([Attribute::ID => $parentId])
+                ->findOne();
+        }
+
+        $accountId = null;
+        $contactId = null;
+        $accountName = null;
+        $contactName = null;
+
+        if ($parent) {
+            if ($parent instanceof Account) {
+                $accountId = $parent->getId();
+                $accountName = $parent->get(Field::NAME);
+            } else if (
+                $parent instanceof Lead &&
+                $parent->getStatus() == Lead::STATUS_CONVERTED
+            ) {
+                if ($parent->get('createdAccountId')) {
+                    $accountId = $parent->get('createdAccountId');
+                    $accountName = $parent->get('createdAccountName');
+                }
+
+                if ($parent->get('createdContactId')) {
+                    $contactId = $parent->get('createdContactId');
+                    $contactName = $parent->get('createdContactName');
+                }
+            } else if ($parent instanceof Contact) {
+                $contactId = $parent->getId();
+                $contactName = $parent->get(Field::NAME);
+            }
+
+            if (
+                !$accountId &&
+                $parent->get('accountId') &&
+                $parent instanceof CoreEntity &&
+                $parent->getRelationParam('account', RelationParam::ENTITY) === Account::ENTITY_TYPE
+            ) {
+                $accountId = $parent->get('accountId');
+            }
+
+            if (
+                !$contactId &&
+                $parent->get('contactId') &&
+                $parent instanceof CoreEntity &&
+                $parent->getRelationParam('contact', RelationParam::ENTITY) === Contact::ENTITY_TYPE
+            ) {
+                $contactId = $parent->get('contactId');
+            }
+        }
+
+        $entity->set('accountId', $accountId);
+        $entity->set('accountName', $accountName);
+
+        $entity->set('contactId', $contactId);
+        $entity->set('contactName', $contactName);
+
+        if (
+            $entity->get('accountId') &&
+            !$entity->get('accountName')
+        ) {
+            $account = $this->entityManager
+                ->getRDBRepository(Account::ENTITY_TYPE)
+                ->select([Attribute::ID, 'name'])
+                ->where([Attribute::ID => $entity->get('accountId')])
+                ->findOne();
+
+            if ($account) {
+                $entity->set('accountName', $account->get(Field::NAME));
+            }
+        }
+
+        if (
+            $entity->get('contactId') &&
+            !$entity->get('contactName')
+        ) {
+            $contact = $this->entityManager
+                ->getRDBRepository(Contact::ENTITY_TYPE)
+                ->select([Attribute::ID, 'name'])
+                ->where([Attribute::ID => $entity->get('contactId')])
+                ->findOne();
+
+            if ($contact) {
+                $entity->set('contactName', $contact->get(Field::NAME));
+            }
+        }
+    }
+}