Feat: Update scanner persistence, more migrations and bugfixes

lib/features/saved_view_details/cubit/saved_view_details_cubit.dart

@@ -3,6 +3,7 @@ import 'package:paperless_api/paperless_api.dart';
 import 'package:paperless_mobile/core/database/tables/local_user_app_state.dart';
 import 'package:paperless_mobile/core/notifier/document_changed_notifier.dart';
 import 'package:paperless_mobile/core/repository/label_repository.dart';
+import 'package:paperless_mobile/core/service/connectivity_status_service.dart';
 import 'package:paperless_mobile/features/paged_document_view/cubit/paged_documents_state.dart';
 import 'package:paperless_mobile/features/paged_document_view/cubit/document_paging_bloc_mixin.dart';
 import 'package:paperless_mobile/features/settings/model/view_type.dart';
@@ -15,7 +16,8 @@ class SavedViewDetailsCubit extends Cubit<SavedViewDetailsState>
   final PaperlessDocumentsApi api;
 
   final LabelRepository _labelRepository;
-
+  @override
+  final ConnectivityStatusService connectivityStatusService;
   @override
   final DocumentChangedNotifier notifier;
 
@@ -27,7 +29,8 @@ class SavedViewDetailsCubit extends Cubit<SavedViewDetailsState>
     this.api,
     this.notifier,
     this._labelRepository,
-    this._userState, {
+    this._userState,
+    this.connectivityStatusService, {
     required this.savedView,
     int initialCount = 25,
   }) : super(

lib/features/saved_view_details/cubit/saved_view_preview_cubit.dart

@@ -1,6 +1,7 @@
 import 'package:bloc/bloc.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:paperless_api/paperless_api.dart';
+import 'package:paperless_mobile/core/service/connectivity_status_service.dart';
 
 part 'saved_view_preview_state.dart';
 part 'saved_view_preview_cubit.freezed.dart';
@@ -8,11 +9,21 @@ part 'saved_view_preview_cubit.freezed.dart';
 class SavedViewPreviewCubit extends Cubit<SavedViewPreviewState> {
   final PaperlessDocumentsApi _api;
   final SavedView view;
-  SavedViewPreviewCubit(this._api, this.view)
-      : super(const SavedViewPreviewState.initial());
+  final ConnectivityStatusService _connectivityStatusService;
+  SavedViewPreviewCubit(
+    this._api,
+    this._connectivityStatusService, {
+    required this.view,
+  }) : super(const InitialSavedViewPreviewState());
 
   Future<void> initialize() async {
-    emit(const SavedViewPreviewState.loading());
+    final isConnected =
+        await _connectivityStatusService.isConnectedToInternet();
+    if (!isConnected) {
+      emit(const OfflineSavedViewPreviewState());
+      return;
+    }
+    emit(const LoadingSavedViewPreviewState());
     try {
       final documents = await _api.findAll(
         view.toDocumentFilter().copyWith(
@@ -20,9 +31,9 @@ class SavedViewPreviewCubit extends Cubit<SavedViewPreviewState> {
               pageSize: 5,
             ),
       );
-      emit(SavedViewPreviewState.loaded(documents: documents.results));
+      emit(LoadedSavedViewPreviewState(documents: documents.results));
     } catch (e) {
-      emit(const SavedViewPreviewState.error());
+      emit(const ErrorSavedViewPreviewState());
     }
   }
 }

lib/features/saved_view_details/cubit/saved_view_preview_state.dart

@@ -1,11 +1,29 @@
 part of 'saved_view_preview_cubit.dart';
 
-@freezed
-class SavedViewPreviewState with _$SavedViewPreviewState {
-  const factory SavedViewPreviewState.initial() = _Initial;
-  const factory SavedViewPreviewState.loading() = _Loading;
-  const factory SavedViewPreviewState.loaded({
-    required List<DocumentModel> documents,
-  }) = _Loaded;
-  const factory SavedViewPreviewState.error() = _Error;
+sealed class SavedViewPreviewState {
+  const SavedViewPreviewState();
+}
+
+class InitialSavedViewPreviewState extends SavedViewPreviewState {
+  const InitialSavedViewPreviewState();
+}
+
+class LoadingSavedViewPreviewState extends SavedViewPreviewState {
+  const LoadingSavedViewPreviewState();
+}
+
+class LoadedSavedViewPreviewState extends SavedViewPreviewState {
+  final List<DocumentModel> documents;
+
+  const LoadedSavedViewPreviewState({
+    required this.documents,
+  });
+}
+
+class ErrorSavedViewPreviewState extends SavedViewPreviewState {
+  const ErrorSavedViewPreviewState();
+}
+
+class OfflineSavedViewPreviewState extends SavedViewPreviewState {
+  const OfflineSavedViewPreviewState();
 }

lib/features/saved_view_details/view/saved_view_preview.dart

@@ -22,8 +22,11 @@ class SavedViewPreview extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Provider(
-      create: (context) =>
-          SavedViewPreviewCubit(context.read(), savedView)..initialize(),
+      create: (context) => SavedViewPreviewCubit(
+        context.read(),
+        context.read(),
+        view: savedView,
+      )..initialize(),
       builder: (context, child) {
         return ExpansionCard(
           initiallyExpanded: expanded,
@@ -33,34 +36,40 @@ class SavedViewPreview extends StatelessWidget {
             children: [
               BlocBuilder<SavedViewPreviewCubit, SavedViewPreviewState>(
                 builder: (context, state) {
-                  return state.maybeWhen(
-                    loaded: (documents) {
-                      if (documents.isEmpty) {
-                        return Text(S.of(context)!.noDocumentsFound).padded();
-                      } else {
-                        return Column(
-                          children: [
-                            for (final document in documents)
-                              DocumentListItem(
-                                document: document,
-                                isLabelClickable: false,
-                                isSelected: false,
-                                isSelectionActive: false,
-                                onTap: (document) {
-                                  DocumentDetailsRoute($extra: document)
-                                      .push(context);
-                                },
-                                onSelected: null,
-                              ),
-                          ],
-                        );
-                      }
-                    },
-                    error: () => Text(S.of(context)!.couldNotLoadSavedViews),
-                    orElse: () => const Center(
-                      child: CircularProgressIndicator(),
-                    ).paddedOnly(top: 8, bottom: 24),
-                  );
+                  return switch (state) {
+                    LoadedSavedViewPreviewState(documents: var documents) =>
+                      Builder(
+                        builder: (context) {
+                          if (documents.isEmpty) {
+                            return Text(S.of(context)!.noDocumentsFound)
+                                .padded();
+                          } else {
+                            return Column(
+                              children: [
+                                for (final document in documents)
+                                  DocumentListItem(
+                                    document: document,
+                                    isLabelClickable: false,
+                                    isSelected: false,
+                                    isSelectionActive: false,
+                                    onTap: (document) {
+                                      DocumentDetailsRoute($extra: document)
+                                          .push(context);
+                                    },
+                                    onSelected: null,
+                                  ),
+                              ],
+                            );
+                          }
+                        },
+                      ),
+                    ErrorSavedViewPreviewState() =>
+                      Text(S.of(context)!.couldNotLoadSavedViews).padded(16),
+                    OfflineSavedViewPreviewState() =>
+                      Text(S.of(context)!.youAreCurrentlyOffline).padded(16),
+                    _ => const CircularProgressIndicator()
+                        .paddedOnly(top: 8, bottom: 24),
+                  };
                 },
               ),
               Row(