Syncer for user absence, from the msgraph reader

src/Bundle/ChillCalendarBundle/RemoteCalendar/Connector/MSGraph/MSUserAbsenceSync.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph;
+
+use Chill\MainBundle\Entity\User;
+use Symfony\Component\Clock\ClockInterface;
+
+readonly class MSUserAbsenceSync
+{
+    public function __construct(
+        private MSUserAbsenceReaderInterface $absenceReader,
+        private ClockInterface $clock,
+    ) {
+    }
+
+    public function syncUserAbsence(User $user): void
+    {
+        $absence = $this->absenceReader->isUserAbsent($user);
+
+        if (null === $absence) {
+            return;
+        }
+
+        if ($absence === $user->isAbsent()) {
+            // nothing to do
+            return;
+        }
+
+        if ($absence) {
+            $user->setAbsenceStart($this->clock->now());
+        } else {
+            $user->setAbsenceStart(null);
+        }
+    }
+}