refactor and rename classes

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

@@ -0,0 +1,65 @@
+<?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\RemoteCalendar\Connector\MSGraph;
+
+use LogicException;
+use Symfony\Component\HttpFoundation\Session\SessionInterface;
+use TheNetworg\OAuth2\Client\Provider\Azure;
+use TheNetworg\OAuth2\Client\Token\AccessToken;
+
+/**
+ * Store token obtained on behalf of a User.
+ */
+class OnBehalfOfUserTokenStorage
+{
+    public const MS_GRAPH_ACCESS_TOKEN = 'msgraph_access_token';
+
+    private Azure $azure;
+
+    private SessionInterface $session;
+
+    public function __construct(Azure $azure, SessionInterface $session)
+    {
+        $this->azure = $azure;
+        $this->session = $session;
+    }
+
+    public function getToken(): AccessToken
+    {
+        /** @var ?AccessToken $token */
+        $token = $this->session->get(self::MS_GRAPH_ACCESS_TOKEN, null);
+
+        if (null === $token) {
+            throw new LogicException('unexisting token');
+        }
+
+        if ($token->hasExpired()) {
+            $token = $this->azure->getAccessToken('refresh_token', [
+                'refresh_token' => $token->getRefreshToken(),
+            ]);
+
+            $this->setToken($token);
+        }
+
+        return $token;
+    }
+
+    public function hasToken(): bool
+    {
+        return $this->session->has(self::MS_GRAPH_ACCESS_TOKEN);
+    }
+
+    public function setToken(AccessToken $token): void
+    {
+        $this->session->set(self::MS_GRAPH_ACCESS_TOKEN, $token);
+    }
+}