fallback on schedule items when no access to calendar

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

@@ -14,6 +14,7 @@ namespace Chill\CalendarBundle\RemoteCalendar\Connector\MSGraph;
 use Chill\CalendarBundle\RemoteCalendar\Model\RemoteEvent;
 use DateTimeImmutable;
 use DateTimeZone;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  * Convert Chill Calendar event to Remote MS Graph event, and MS Graph
@@ -27,10 +28,31 @@ class RemoteEventConverter
 
     private DateTimeZone $remoteDateTimeZone;
 
-    public function __construct()
+    private TranslatorInterface $translator;
+
+    public function __construct(TranslatorInterface $translator)
     {
+        $this->translator = $translator;
         $this->defaultDateTimeZone = (new DateTimeImmutable())->getTimezone();
-        $this->remoteDateTimeZone = new DateTimeZone('UTC');
+        $this->remoteDateTimeZone = self::getRemoteTimeZone();
+    }
+
+    public function convertAvailabilityToRemoteEvent(array $event): RemoteEvent
+    {
+        $startDate =
+            DateTimeImmutable::createFromFormat(self::REMOTE_DATE_FORMAT, $event['start']['dateTime'])
+                ->setTimezone($this->defaultDateTimeZone);
+        $endDate =
+            DateTimeImmutable::createFromFormat(self::REMOTE_DATE_FORMAT, $event['end']['dateTime'], $this->remoteDateTimeZone)
+                ->setTimezone($this->defaultDateTimeZone);
+
+        return new RemoteEvent(
+            uniqid('generated_'),
+            $this->translator->trans('remote_ms_graph.freebusy_statuses.' . $event['status']),
+            '',
+            $startDate,
+            $endDate
+        );
     }
 
     public function convertToRemote(array $event): RemoteEvent
@@ -50,4 +72,17 @@ class RemoteEventConverter
             $endDate
         );
     }
+
+    /**
+     * Return a string which format a DateTime to string. To be used in POST requests,.
+     */
+    public static function getRemoteDateTimeSimpleFormat(): string
+    {
+        return 'Y-m-d\TH:i:s';
+    }
+
+    public static function getRemoteTimeZone(): DateTimeZone
+    {
+        return new DateTimeZone('UTC');
+    }
 }

src/Bundle/ChillCalendarBundle/RemoteCalendar/Connector/MSGraphRemoteCalendarConnector.php

@@ -92,6 +92,10 @@ class MSGraphRemoteCalendarConnector implements RemoteCalendarConnectorInterface
 
             return array_map(function ($item) { return $this->remoteEventConverter->convertToRemote($item); }, $bareEvents['value']);
         } catch (ClientExceptionInterface $e) {
+            if (403 === $e->getResponse()->getStatusCode()) {
+                return $this->getScheduleTimesForUser($user, $startDate, $endDate);
+            }
+
             $this->logger->debug('Could not get list of event on MSGraph', [
                 'error_code' => $e->getResponse()->getStatusCode(),
                 'error' => $e->getResponse()->getInfo(),
@@ -100,4 +104,49 @@ class MSGraphRemoteCalendarConnector implements RemoteCalendarConnectorInterface
             return [];
         }
     }
+
+    private function getScheduleTimesForUser(User $user, DateTimeImmutable $startDate, DateTimeImmutable $endDate): array
+    {
+        $userId = $this->mapCalendarToUser->getUserId($user);
+
+        if (null === $userId) {
+            return [];
+        }
+
+        if (null === $user->getEmailCanonical() || '' === $user->getEmailCanonical()) {
+            return [];
+        }
+
+        $body = [
+            'schedules' => [$user->getEmailCanonical()],
+            'startTime' => [
+                'dateTime' => ($startDate->setTimezone(RemoteEventConverter::getRemoteTimeZone())->format(RemoteEventConverter::getRemoteDateTimeSimpleFormat())),
+                'timeZone' => 'UTC',
+            ],
+            'endTime' => [
+                'dateTime' => ($endDate->setTimezone(RemoteEventConverter::getRemoteTimeZone())->format(RemoteEventConverter::getRemoteDateTimeSimpleFormat())),
+                'timeZone' => 'UTC',
+            ],
+        ];
+
+        try {
+            $response = $this->userHttpClient->request('POST', 'users/' . $userId . '/calendar/getSchedule', [
+                'json' => $body,
+            ])->toArray();
+        } catch (ClientExceptionInterface $e) {
+            $this->logger->debug('Could not get schedule on MSGraph', [
+                'error_code' => $e->getResponse()->getStatusCode(),
+                'error' => $e->getResponse()->getInfo(),
+            ]);
+
+            return [];
+        }
+
+        return array_map(
+            function ($item) {
+                return $this->remoteEventConverter->convertAvailabilityToRemoteEvent($item);
+            },
+            $response['value'][0]['scheduleItems']
+        );
+    }
 }

src/Bundle/ChillCalendarBundle/translations/messages.fr.yml

@@ -26,3 +26,12 @@ The calendar item has been successfully removed.: Le rendez-vous a été supprim
 From the day: Du
 to the day: au
 Transform to activity: Transformer en échange
+
+remote_ms_graph:
+    freebusy_statuses:
+        busy: Occupé
+        free: Libre
+        tentative: En attente de confirmation
+        oof: En dehors du bureau
+        workingElsewhere: Travaille à l'extérieur
+        unknown: Inconnu