Feat: Update scanner persistence, more migrations and bugfixes

lib/core/interceptor/dio_http_error_interceptor.dart

@@ -39,8 +39,6 @@ class DioHttpErrorInterceptor extends Interceptor {
           ),
         );
       }
-    } else {
-      return handler.next(err);
     }
   }
 }

lib/core/model/info_message_exception.dart

@@ -0,0 +1,12 @@
+import 'package:paperless_api/paperless_api.dart';
+
+class InfoMessageException implements Exception {
+  final ErrorCode code;
+  final String? message;
+  final StackTrace? stackTrace;
+  InfoMessageException({
+    required this.code,
+    this.message,
+    this.stackTrace,
+  });
+}

lib/core/navigation/push_routes.dart

@@ -43,6 +43,7 @@ Future<void> pushSavedViewDetailsRoute(
               context.read(),
               context.read(),
               LocalUserAppState.current,
+              context.read(),
               savedView: savedView,
             ),
             child: SavedViewDetailsPage(

lib/core/security/session_manager.dart

@@ -4,6 +4,7 @@ import 'package:dio/dio.dart';
 import 'package:dio/io.dart';
 import 'package:flutter/material.dart';
 import 'package:paperless_mobile/core/interceptor/dio_http_error_interceptor.dart';
+import 'package:paperless_mobile/core/interceptor/dio_offline_interceptor.dart';
 import 'package:paperless_mobile/core/interceptor/dio_unauthorized_interceptor.dart';
 import 'package:paperless_mobile/core/interceptor/retry_on_connection_change_interceptor.dart';
 import 'package:paperless_mobile/features/login/model/client_certificate.dart';
@@ -37,6 +38,7 @@ class SessionManager extends ValueNotifier<Dio> {
       ...interceptors,
       DioUnauthorizedInterceptor(),
       DioHttpErrorInterceptor(),
+      DioOfflineInterceptor(),
       PrettyDioLogger(
         compact: true,
         responseBody: false,

lib/core/service/connectivity_status_service.dart

@@ -7,6 +7,7 @@ import 'package:paperless_mobile/core/interceptor/server_reachability_error_inte
 import 'package:paperless_mobile/core/security/session_manager.dart';
 import 'package:paperless_mobile/features/login/model/client_certificate.dart';
 import 'package:paperless_mobile/features/login/model/reachability_status.dart';
+import 'package:rxdart/subjects.dart';
 
 abstract class ConnectivityStatusService {
   Future<bool> isConnectedToInternet();
@@ -20,14 +21,19 @@ abstract class ConnectivityStatusService {
 
 class ConnectivityStatusServiceImpl implements ConnectivityStatusService {
   final Connectivity _connectivity;
+  final BehaviorSubject<bool> _connectivityState$ = BehaviorSubject();
 
-  ConnectivityStatusServiceImpl(this._connectivity);
+  ConnectivityStatusServiceImpl(this._connectivity) {
+    _connectivityState$.addStream(
+      _connectivity.onConnectivityChanged
+          .map(_hasActiveInternetConnection)
+          .asBroadcastStream(),
+    );
+  }
 
   @override
   Stream<bool> connectivityChanges() {
-    return _connectivity.onConnectivityChanged
-        .map(_hasActiveInternetConnection)
-        .asBroadcastStream();
+    return _connectivityState$.asBroadcastStream();
   }
 
   @override
@@ -98,3 +104,31 @@ class ConnectivityStatusServiceImpl implements ConnectivityStatusService {
     return ReachabilityStatus.notReachable;
   }
 }
+
+class ConnectivityStatusServiceMock implements ConnectivityStatusService {
+  final bool isConnected;
+
+  ConnectivityStatusServiceMock(this.isConnected);
+  @override
+  Stream<bool> connectivityChanges() {
+    return Stream.value(isConnected);
+  }
+
+  @override
+  Future<bool> isConnectedToInternet() async {
+    return isConnected;
+  }
+
+  @override
+  Future<ReachabilityStatus> isPaperlessServerReachable(String serverAddress,
+      [ClientCertificate? clientCertificate]) async {
+    return isConnected
+        ? ReachabilityStatus.reachable
+        : ReachabilityStatus.notReachable;
+  }
+
+  @override
+  Future<bool> isServerReachable(String serverAddress) async {
+    return isConnected;
+  }
+}

lib/core/service/file_service.dart

@@ -25,7 +25,7 @@ class FileService {
       case PaperlessDirectoryType.temporary:
         return temporaryDirectory;
       case PaperlessDirectoryType.scans:
-        return scanDirectory;
+        return temporaryScansDirectory;
       case PaperlessDirectoryType.download:
         return downloadsDirectory;
     }
@@ -52,8 +52,7 @@ class FileService {
     } else if (Platform.isIOS) {
       final appDir = await getApplicationDocumentsDirectory();
       final dir = Directory('${appDir.path}/documents');
-      dir.createSync();
-      return dir;
+      return dir.create(recursive: true);
     } else {
       throw UnsupportedError("Platform not supported.");
     }
@@ -72,33 +71,22 @@ class FileService {
     } else if (Platform.isIOS) {
       final appDir = await getApplicationDocumentsDirectory();
       final dir = Directory('${appDir.path}/downloads');
-      dir.createSync();
-      return dir;
+      return dir.create(recursive: true);
     } else {
       throw UnsupportedError("Platform not supported.");
     }
   }
 
-  static Future<Directory?> get scanDirectory async {
-    if (Platform.isAndroid) {
-      final scanDir = await getExternalStorageDirectories(
-        type: StorageDirectory.dcim,
-      );
-      return scanDir!.first;
-    } else if (Platform.isIOS) {
-      final appDir = await getApplicationDocumentsDirectory();
-      final dir = Directory('${appDir.path}/scans');
-      dir.createSync();
-      return dir;
-    } else {
-      throw UnsupportedError("Platform not supported.");
-    }
+  static Future<Directory> get temporaryScansDirectory async {
+    final tempDir = await temporaryDirectory;
+    final scansDir = Directory('${tempDir.path}/scans');
+    return scansDir.create(recursive: true);
   }
 
   static Future<void> clearUserData() async {
-    final scanDir = await scanDirectory;
+    final scanDir = await temporaryScansDirectory;
     final tempDir = await temporaryDirectory;
-    await scanDir?.delete(recursive: true);
+    await scanDir.delete(recursive: true);
     await tempDir.delete(recursive: true);
   }
 

lib/core/translation/error_code_localization_mapper.dart

@@ -75,5 +75,6 @@ String translateError(BuildContext context, ErrorCode code) {
     ErrorCode.loadTasksError => S.of(context)!.couldNotLoadTasks,
     ErrorCode.userNotFound => S.of(context)!.userNotFound,
     ErrorCode.updateSavedViewError => S.of(context)!.couldNotUpdateSavedView,
+    ErrorCode.userAlreadyExists => S.of(context)!.userAlreadyExists,
   };
 }