Fix export calendar on iOS

l10n/intl_en.arb

@@ -87,8 +87,10 @@
   "calendar_export_question": "Which calendar do you want to export to?",
   "calendar_name": "Calendar name",
   "calendar_select": "Please select a calendar",
-  "calendar_cancel": "Cancel",
-  "calendar_export": "Export",
+  "calendar_cancel_button": "Cancel",
+  "calendar_export_button": "Export",
+  "calendar_permission_denied_modal_title": "Permission denied",
+  "calendar_permission_denied": "You denied the app the permission to edit your calendar. Change this preference in system settings to use this feature.",
 
   "grades_title": "Grades",
   "grades_msg_no_grades": "No grade available\nPull to refresh",

l10n/intl_fr.arb

@@ -87,8 +87,10 @@
   "calendar_export_question": "Vers quel calendrier voulez-vous exporter cet événement?",
   "calendar_name": "Nom du calendrier",
   "calendar_select": "Veuillez sélectionner un calendrier",
-  "calendar_cancel": "Annuler",
-  "calendar_export": "Exporter",
+  "calendar_cancel_button": "Annuler",
+  "calendar_export_button": "Exporter",
+  "calendar_permission_denied_modal_title": "Permission Refusée",
+  "calendar_permission_denied": "Vous n'avez pas accordé la permission d'accéder à votre calendrier. Veuillez l'activer dans les paramètres système de l'application.",
 
   "grades_title": "Notes",
   "grades_msg_no_grades": "Aucune note disponible.\nTirez pour rafraichir",

lib/features/schedule/widgets/calendar_selector.dart

@@ -25,6 +25,9 @@ class CalendarSelectionWidget extends StatelessWidget {
       future: CalendarUtils.nativeCalendars,
       builder:
           (context, AsyncSnapshot<UnmodifiableListView<Calendar>> calendars) {
+        if (calendars.error != null) {
+          return lackingPermissionsDialog(context);
+        }
         if (!calendars.hasData) {
           return const Center(
             child: CircularProgressIndicator(),
@@ -81,7 +84,7 @@ class CalendarSelectionWidget extends StatelessWidget {
               actions: <Widget>[
                 TextButton(
                   onPressed: () => Navigator.of(context).pop(),
-                  child: const Text('Cancel'),
+                  child: Text(translations.calendar_cancel_button),
                 ),
                 TextButton(
                   onPressed: () {
@@ -119,7 +122,7 @@ class CalendarSelectionWidget extends StatelessWidget {
                       }
                     });
                   },
-                  child: const Text('Export'),
+                  child: Text(translations.calendar_export_button),
                 ),
               ],
             );
@@ -128,4 +131,19 @@ class CalendarSelectionWidget extends StatelessWidget {
       },
     );
   }
+
+  AlertDialog lackingPermissionsDialog(BuildContext context) {
+    return AlertDialog(
+      title: Text(translations.calendar_permission_denied_modal_title),
+      content: Text(translations.calendar_permission_denied),
+      actions: <Widget>[
+        TextButton(
+          child: Text(translations.calendar_cancel_button),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+      ],
+    );
+  }
 }

lib/utils/calendar_utils.dart

@@ -41,9 +41,13 @@ mixin CalendarUtils {
       DeviceCalendarPlugin();
 
   static Future<UnmodifiableListView<Calendar>> get nativeCalendars async {
-    final Result<UnmodifiableListView<Calendar>> calendarFetchResult =
-        await DeviceCalendarPlugin().retrieveCalendars();
-    return calendarFetchResult.data!;
+    if (await checkPermissions()) {
+      final Result<UnmodifiableListView<Calendar>> calendarFetchResult =
+          await DeviceCalendarPlugin().retrieveCalendars();
+      return calendarFetchResult.data!;
+    }
+    // User denied calendar access
+    throw Error();
   }
 
   /// Fetches a calendar by name from the native calendar app

pubspec.yaml

@@ -5,7 +5,7 @@ description: The 4th generation of ÉTSMobile, the main gateway between the Éco
 # pub.dev using `pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
-version: 4.45.0+1
+version: 4.46.0+1
 
 environment:
   sdk: '>=3.3.0 <4.0.0'