added clear message for denied camera or gallery access

2026-09-02 20:31:44 +02:00
parent f19f212fb4
commit 43dfc52bc7
8 changed files with 146 additions and 21 deletions
@@ -0,0 +1,41 @@
+import 'package:flutter/services.dart';
+
+import 'app_exception.dart';
+
+/// The user denied a system permission the action needs (camera, photos).
+/// Retrying won't help until the permission is granted in the system settings.
+class PermissionException extends AppException {
+  const PermissionException({
+    required super.userMessage,
+    super.technicalDetails,
+  }) : super(allowRetry: false);
+
+  factory PermissionException.camera({String? technicalDetails}) =>
+      PermissionException(
+        userMessage:
+            'Kein Zugriff auf die Kamera. Bitte erlaube der App den '
+            'Kamerazugriff in den Einstellungen deines Geräts.',
+        technicalDetails: technicalDetails,
+      );
+
+  factory PermissionException.photos({String? technicalDetails}) =>
+      PermissionException(
+        userMessage:
+            'Kein Zugriff auf deine Fotos. Bitte erlaube der App den '
+            'Fotozugriff in den Einstellungen deines Geräts.',
+        technicalDetails: technicalDetails,
+      );
+
+  /// Maps the `*_access_denied` codes thrown by `image_picker`; `null` for any
+  /// other platform error.
+  static PermissionException? fromPlatform(PlatformException error) =>
+      switch (error.code) {
+        'camera_access_denied' => PermissionException.camera(
+          technicalDetails: error.message,
+        ),
+        'photo_access_denied' => PermissionException.photos(
+          technicalDetails: error.message,
+        ),
+        _ => null,
+      };
+}