From 9bc932d54f215824ffaca92c191954c9d0399026 Mon Sep 17 00:00:00 2001
From: Yuri Kuznetsov <yurikuzn@users.noreply.github.com>
Date: Tue, 2 May 2023 12:12:51 +0300
Subject: [PATCH] user is busy function

---
 .../ExtGroup/CalendarGroup/UserIsBusyType.php | 97 +++++++++++++++++++
 .../Crm/Resources/metadata/app/formula.json   | 20 +++-
 .../Crm/Tools/Calendar/Items/Event.php        |  8 ++
 .../Modules/Crm/Tools/Calendar/Service.php    |  6 +-
 .../Espo/Core/Formula/FormulaTest.php         | 57 +++++++++++
 5 files changed, 182 insertions(+), 6 deletions(-)
 create mode 100644 application/Espo/Modules/Crm/Classes/FormulaFunctions/ExtGroup/CalendarGroup/UserIsBusyType.php

diff --git a/application/Espo/Modules/Crm/Classes/FormulaFunctions/ExtGroup/CalendarGroup/UserIsBusyType.php b/application/Espo/Modules/Crm/Classes/FormulaFunctions/ExtGroup/CalendarGroup/UserIsBusyType.php
new file mode 100644
index 0000000000..7ea3c30557
--- /dev/null
+++ b/application/Espo/Modules/Crm/Classes/FormulaFunctions/ExtGroup/CalendarGroup/UserIsBusyType.php
@@ -0,0 +1,97 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2023 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://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 General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Modules\Crm\Classes\FormulaFunctions\ExtGroup\CalendarGroup;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Modules\Crm\Tools\Calendar\FetchParams;
+use Espo\Modules\Crm\Tools\Calendar\Items\Event;
+use Espo\Modules\Crm\Tools\Calendar\Service;
+use Exception;
+use RuntimeException;
+
+class UserIsBusyType implements Func
+{
+    public function __construct(private Service $service) {}
+
+    public function process(EvaluatedArgumentList $arguments): bool
+    {
+        if (count($arguments) < 3) {
+            throw TooFewArguments::create(3);
+        }
+
+        $userId = $arguments[0];
+        $from = $arguments[1];
+        $to = $arguments[2];
+        $entityType = $arguments[3] ?? null;
+        $id = $arguments[4] ?? null;
+
+        if (!is_string($userId)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (!is_string($from)) {
+            throw BadArgumentType::create(2, 'string');
+        }
+
+        if (!is_string($to)) {
+            throw BadArgumentType::create(3, 'string');
+        }
+
+        if ($entityType !== null && !is_string($entityType)) {
+            throw BadArgumentType::create(4, 'string');
+        }
+
+        if ($id !== null && !is_string($id)) {
+            throw BadArgumentType::create(5, 'string');
+        }
+
+        $params = FetchParams::create(DateTime::fromString($from), DateTime::fromString($to))
+            ->withSkipAcl();
+
+        $ignoreList = [];
+
+        if ($entityType && $id) {
+            $ignoreList[] = (new Event(null, null, $entityType, []))->withId($id);
+        }
+
+        try {
+            $ranges = $this->service->fetchBusyRanges($userId, $params, $ignoreList);
+        }
+        catch (Exception $e) {
+            throw new RuntimeException($e->getMessage());
+        }
+
+        return $ranges !== [];
+    }
+}
diff --git a/application/Espo/Modules/Crm/Resources/metadata/app/formula.json b/application/Espo/Modules/Crm/Resources/metadata/app/formula.json
index 79197ca21c..7a34e2726b 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/app/formula.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/app/formula.json
@@ -1,5 +1,19 @@
 {
     "functionClassNameMap": {
-        "ext\\account\\findByEmailAddress": "Espo\\Modules\\Crm\\Classes\\FormulaFunctions\\ExtGroup\\AccountGroup\\FindByEmailAddressType"
-    }
-}
\ No newline at end of file
+        "ext\\account\\findByEmailAddress": "Espo\\Modules\\Crm\\Classes\\FormulaFunctions\\ExtGroup\\AccountGroup\\FindByEmailAddressType",
+        "ext\\calendar\\userIsBusy": "Espo\\Modules\\Crm\\Classes\\FormulaFunctions\\ExtGroup\\CalendarGroup\\UserIsBusyType"
+    },
+    "functionList": [
+        "__APPEND__",
+        {
+            "name": "ext\\account\\findByEmailAddress",
+            "insertText": "ext\\account\\findByEmailAddress(EMAIL_ADDRESS)",
+            "returnType": "string"
+        },
+        {
+            "name": "ext\\calendar\\userIsBusy",
+            "insertText": "ext\\calendar\\userIsBusy(USER_ID, FROM, TO)",
+            "returnType": "bool"
+        }
+    ]
+}
diff --git a/application/Espo/Modules/Crm/Tools/Calendar/Items/Event.php b/application/Espo/Modules/Crm/Tools/Calendar/Items/Event.php
index 0ba092113a..1a459112eb 100644
--- a/application/Espo/Modules/Crm/Tools/Calendar/Items/Event.php
+++ b/application/Espo/Modules/Crm/Tools/Calendar/Items/Event.php
@@ -89,6 +89,14 @@ class Event implements Item
         return $obj;
     }
 
+    public function withId(string $id): self
+    {
+        $obj = clone $this;
+        $obj->attributes['id'] = $id;
+
+        return $obj;
+    }
+
     public function withUserIdAdded(string $userId): self
     {
         $obj = clone $this;
diff --git a/application/Espo/Modules/Crm/Tools/Calendar/Service.php b/application/Espo/Modules/Crm/Tools/Calendar/Service.php
index 45cbee5f11..ccbdad08dc 100644
--- a/application/Espo/Modules/Crm/Tools/Calendar/Service.php
+++ b/application/Espo/Modules/Crm/Tools/Calendar/Service.php
@@ -752,7 +752,7 @@ class Service
         $ignoreHash = (object) [];
 
         foreach ($ignoreEventList as $event) {
-            $id = $event->getAttribute('id');
+            $id = $event->getId();
 
             if ($id) {
                 $ignoreHash->$id = true;
@@ -767,7 +767,7 @@ class Service
             $start = $event->getStart();
             $end = $event->getEnd();
             $status = $event->getAttribute('status');
-            $id = $event->getAttribute('id');
+            $id = $event->getId();
 
             if (!$start || !$end) {
                 continue;
@@ -782,7 +782,7 @@ class Service
             }
 
             try {
-                foreach ($rangeList as &$range) {
+                foreach ($rangeList as $range) {
                     if (
                         $start->getTimestamp() < $range->start->getTimestamp() &&
                         $end->getTimestamp() > $range->end->getTimestamp()
diff --git a/tests/integration/Espo/Core/Formula/FormulaTest.php b/tests/integration/Espo/Core/Formula/FormulaTest.php
index b9aed2a65c..e4787224ee 100644
--- a/tests/integration/Espo/Core/Formula/FormulaTest.php
+++ b/tests/integration/Espo/Core/Formula/FormulaTest.php
@@ -29,7 +29,10 @@
 
 namespace tests\integration\Espo\Core\Formula;
 
+use Espo\Core\Field\DateTime;
+use Espo\Core\Field\DateTimeOptional;
 use Espo\Core\Formula\Manager;
+use Espo\Entities\User;
 use Espo\Modules\Crm\Entities\Meeting;
 use Espo\ORM\EntityManager;
 
@@ -771,4 +774,58 @@ class FormulaTest extends \tests\integration\Core\BaseTestCase
         $id = $fm->run($script);
         $this->assertEquals($id, $user->getId());
     }
+
+    public function testCalendarUserBusy(): void
+    {
+        $fm = $this->getContainer()->getByClass(Manager::class);
+        $user = $this->getContainer()->getByClass(User::class);
+        $em = $this->getContainer()->getByClass(EntityManager::class);
+
+        $dateStart = DateTimeOptional::createNow();
+        $dateEnd = $dateStart->addHours(1);
+
+        /** @var Meeting $meeting */
+        $meeting = $em->getRDBRepositoryByClass(Meeting::class)->getNew();
+
+        $meeting
+            ->setDateStart($dateStart)
+            ->setDateEnd($dateEnd)
+            ->setAssignedUserId($user->getId());
+
+        $em->saveEntity($meeting);
+
+        $script = sprintf(
+            "ext\\calendar\\userIsBusy('%s', '%s', '%s')",
+            $user->getId(),
+            $dateStart->getString(),
+            $dateEnd->getString()
+        );
+        $this->assertTrue($fm->run($script));
+
+        $script = sprintf(
+            "ext\\calendar\\userIsBusy('%s', '%s', '%s')",
+            $user->getId(),
+            $dateStart->addHours(-1)->getString(),
+            $dateEnd->addHours(1)->getString()
+        );
+        $this->assertTrue($fm->run($script));
+
+        $script = sprintf(
+            "ext\\calendar\\userIsBusy('%s', '%s', '%s')",
+            $user->getId(),
+            $dateStart->addDays(-1)->getString(),
+            $dateEnd->addDays(-1)->getString()
+        );
+        $this->assertFalse($fm->run($script));
+
+        $script = sprintf(
+            "ext\\calendar\\userIsBusy('%s', '%s', '%s', '%s', '%s')",
+            $user->getId(),
+            $dateStart->getString(),
+            $dateEnd->getString(),
+            $meeting->getEntityType(),
+            $meeting->getId()
+        );
+        $this->assertFalse($fm->run($script));
+    }
 }