[wip] first impl for getting authorization for admin

src/Bundle/ChillCalendarBundle/Synchro/Connector/MSGraph/MachineTokenStorage.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * 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.
+ */
+
+declare(strict_types=1);
+
+namespace Chill\CalendarBundle\Synchro\Connector\MSGraph;
+
+use Chill\MainBundle\Redis\ChillRedis;
+use TheNetworg\OAuth2\Client\Token\AccessToken;
+
+class MachineTokenStorage
+{
+    private const KEY = 'msgraph_access_token';
+
+    private ChillRedis $chillRedis;
+
+    public function __construct(ChillRedis $chillRedis)
+    {
+        $this->chillRedis = $chillRedis;
+    }
+
+    public function getToken(): AccessToken
+    {
+        return unserialize($this->chillRedis->get(self::KEY));
+    }
+
+    public function storeToken(AccessToken $token): void
+    {
+        $this->chillRedis->set(self::KEY, serialize($token));
+    }
+}