Initial commit

lib/core/bloc/connectivity_cubit.dart

@@ -0,0 +1,29 @@
+import 'dart:async';
+
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/service/connectivity_status.service.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class ConnectivityCubit extends Cubit<ConnectivityState> {
+  final ConnectivityStatusService connectivityStatusService;
+  late final StreamSubscription<bool> _sub;
+
+  ConnectivityCubit(this.connectivityStatusService) : super(ConnectivityState.undefined);
+
+  Future<void> initialize() async {
+    final bool isConnected = await connectivityStatusService.isConnectedToInternet();
+    emit(isConnected ? ConnectivityState.connected : ConnectivityState.notConnected);
+    _sub = connectivityStatusService.connectivityChanges().listen((isConnected) {
+      emit(isConnected ? ConnectivityState.connected : ConnectivityState.notConnected);
+    });
+  }
+
+  @override
+  Future<void> close() {
+    _sub.cancel();
+    return super.close();
+  }
+}
+
+enum ConnectivityState { connected, notConnected, undefined }

lib/core/bloc/document_status_cubit.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/model/document_processing_status.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class DocumentStatusCubit extends Cubit<DocumentProcessingStatus?> {
+  DocumentStatusCubit() : super(null);
+
+  void updateStatus(DocumentProcessingStatus? status) => emit(status);
+}

lib/core/bloc/label_bloc_provider.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/bloc/storage_path_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/bloc/tags_cubit.dart';
+
+class LabelBlocProvider extends StatelessWidget {
+  final Widget child;
+  const LabelBlocProvider({super.key, required this.child});
+
+  @override
+  Widget build(BuildContext context) {
+    return MultiBlocProvider(
+      providers: [
+        BlocProvider.value(value: getIt<DocumentTypeCubit>()),
+        BlocProvider.value(value: getIt<CorrespondentCubit>()),
+        BlocProvider.value(value: getIt<TagCubit>()),
+        BlocProvider.value(value: getIt<StoragePathCubit>()),
+        BlocProvider.value(value: getIt<SavedViewCubit>()),
+      ],
+      child: child,
+    );
+  }
+}

lib/core/bloc/label_cubit.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/labels/model/label.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/repository/label_repository.dart';
+
+abstract class LabelCubit<T extends Label> extends Cubit<Map<int, T>> {
+  final LabelRepository labelRepository;
+  LabelCubit(this.labelRepository) : super({});
+
+  @protected
+  void loadFrom(Iterable<T> items) => emit(Map.fromIterable(items, key: (e) => (e as T).id!));
+
+  Future<T> add(T item) async {
+    assert(item.id == null);
+    final addedItem = await save(item);
+    final newState = {...state};
+    newState.putIfAbsent(addedItem.id!, () => addedItem);
+    emit(newState);
+    return addedItem;
+  }
+
+  Future<T> replace(T item) async {
+    assert(item.id != null);
+    final updatedItem = await update(item);
+    final newState = {...state};
+    newState[item.id!] = updatedItem;
+    emit(newState);
+    return updatedItem;
+  }
+
+  Future<void> remove(T item) async {
+    assert(item.id != null);
+    if (state.containsKey(item.id)) {
+      final deletedId = await delete(item);
+      final newState = {...state};
+      newState.remove(deletedId);
+      emit(newState);
+    }
+  }
+
+  void reset() => emit({});
+
+  Future<void> initialize();
+
+  @protected
+  Future<T> save(T item);
+
+  @protected
+  Future<T> update(T item);
+
+  @protected
+  Future<int> delete(T item);
+}

lib/core/global/http_self_signed_certificate_override.dart

@@ -0,0 +1,11 @@
+// Fix for accepting self signed certificates.
+import 'dart:io';
+
+class X509HttpOverrides extends HttpOverrides {
+  @override
+  HttpClient createHttpClient(SecurityContext? context) {
+    return super.createHttpClient(context)
+      ..badCertificateCallback =
+          (X509Certificate cert, String host, int port) => true;
+  }
+}

lib/core/interceptor/authentication.interceptor.dart

@@ -0,0 +1,34 @@
+import 'dart:developer';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/features/login/bloc/authentication_cubit.dart';
+import 'package:http_interceptor/http_interceptor.dart';
+import 'package:injectable/injectable.dart';
+
+@injectable
+class AuthenticationInterceptor implements InterceptorContract {
+  AuthenticationCubit authenticationCubit;
+  AuthenticationInterceptor(this.authenticationCubit);
+
+  @override
+  Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
+    final authState = authenticationCubit.state;
+    if (kDebugMode) {
+      log("Intercepted request to ${request.url.toString()}");
+    }
+    if (authState.authentication == null) {
+      throw const ErrorMessage(ErrorCode.notAuthenticated);
+    }
+    return request.copyWith(
+      //Append server Url
+      url: Uri.parse(authState.authentication!.serverUrl + request.url.toString()),
+      headers: authState.authentication!.token.isEmpty
+          ? request.headers
+          : {...request.headers, 'Authorization': 'Token ${authState.authentication!.token}'},
+    );
+  }
+
+  @override
+  Future<BaseResponse> interceptResponse({required BaseResponse response}) async => response;
+}

lib/core/interceptor/connection_state.interceptor.dart

@@ -0,0 +1,31 @@
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/service/connectivity_status.service.dart';
+import 'package:flutter_paperless_mobile/features/login/bloc/authentication_cubit.dart';
+import 'package:http_interceptor/http_interceptor.dart';
+import 'package:injectable/injectable.dart';
+
+@injectable
+class ConnectionStateInterceptor implements InterceptorContract {
+  final AuthenticationCubit authenticationCubit;
+  final ConnectivityStatusService connectivityStatusService;
+  ConnectionStateInterceptor(
+      this.authenticationCubit, this.connectivityStatusService);
+
+  @override
+  Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
+    if (!(await connectivityStatusService.isConnectedToInternet())) {
+      throw const ErrorMessage(ErrorCode.deviceOffline);
+    }
+    final isServerReachable =
+        await connectivityStatusService.isServerReachable(request.url.origin);
+    if (!isServerReachable) {
+      throw const ErrorMessage(ErrorCode.serverUnreachable);
+    }
+    return request;
+  }
+
+  @override
+  Future<BaseResponse> interceptResponse(
+          {required BaseResponse response}) async =>
+      response;
+}

lib/core/interceptor/language_header.interceptor.dart

@@ -0,0 +1,25 @@
+import 'package:flutter_paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
+import 'package:http_interceptor/http_interceptor.dart';
+import 'package:injectable/injectable.dart';
+
+@injectable
+class LanguageHeaderInterceptor implements InterceptorContract {
+  final ApplicationSettingsCubit appSettingsCubit;
+
+  LanguageHeaderInterceptor(this.appSettingsCubit);
+
+  @override
+  Future<BaseRequest> interceptRequest({required BaseRequest request}) async {
+    late String languages;
+    if (appSettingsCubit.state.preferredLocaleSubtag == "en") {
+      languages = "en";
+    } else {
+      languages = appSettingsCubit.state.preferredLocaleSubtag + ",en;q=0.7,en-US;q=0.6";
+    }
+    request.headers.addAll({"Accept-Language": languages});
+    return request;
+  }
+
+  @override
+  Future<BaseResponse> interceptResponse({required BaseResponse response}) async => response;
+}

lib/core/interceptor/response_conversion.interceptor.dart

@@ -0,0 +1,32 @@
+import 'package:http/http.dart';
+import 'package:http_interceptor/http/http.dart';
+import 'package:injectable/injectable.dart';
+
+const interceptedRoutes = ['thumb/'];
+
+@injectable
+class ResponseConversionInterceptor implements InterceptorContract {
+  @override
+  Future<BaseRequest> interceptRequest({required BaseRequest request}) async => request;
+
+  @override
+  Future<BaseResponse> interceptResponse({required BaseResponse response}) async {
+    final String requestUrl = response.request?.url.toString().split("?").first ?? '';
+    if (response.request?.method == "GET" &&
+        interceptedRoutes.any((element) => requestUrl.endsWith(element))) {
+      final resp = response as Response;
+
+      return StreamedResponse(
+        Stream.value(resp.bodyBytes.toList()).asBroadcastStream(),
+        resp.statusCode,
+        contentLength: resp.contentLength,
+        headers: resp.headers,
+        isRedirect: resp.isRedirect,
+        persistentConnection: false,
+        reasonPhrase: resp.reasonPhrase,
+        request: resp.request,
+      );
+    }
+    return response;
+  }
+}

lib/core/logic/error_code_localization_mapper.dart

@@ -0,0 +1,70 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+String translateError(BuildContext context, ErrorCode code) {
+  switch (code) {
+    case ErrorCode.unknown:
+      return S.of(context).errorMessageUnknonwnError;
+    case ErrorCode.authenticationFailed:
+      return S.of(context).errorMessageAuthenticationFailed;
+    case ErrorCode.notAuthenticated:
+      return S.of(context).errorMessageNotAuthenticated;
+    case ErrorCode.documentUploadFailed:
+      return S.of(context).errorMessageDocumentUploadFailed;
+    case ErrorCode.documentUpdateFailed:
+      return S.of(context).errorMessageDocumentUpdateFailed;
+    case ErrorCode.documentLoadFailed:
+      return S.of(context).errorMessageDocumentLoadFailed;
+    case ErrorCode.documentDeleteFailed:
+      return S.of(context).errorMessageDocumentDeleteFailed;
+    case ErrorCode.documentPreviewFailed:
+      return S.of(context).errorMessageDocumentPreviewFailed;
+    case ErrorCode.documentAsnQueryFailed:
+      return S.of(context).errorMessageDocumentAsnQueryFailed;
+    case ErrorCode.tagCreateFailed:
+      return S.of(context).errorMessageTagCreateFailed;
+    case ErrorCode.tagLoadFailed:
+      return S.of(context).errorMessageTagLoadFailed;
+    case ErrorCode.documentTypeCreateFailed:
+      return S.of(context).errorMessageDocumentTypeCreateFailed;
+    case ErrorCode.documentTypeLoadFailed:
+      return S.of(context).errorMessageDocumentTypeLoadFailed;
+    case ErrorCode.correspondentCreateFailed:
+      return S.of(context).errorMessageCorrespondentCreateFailed;
+    case ErrorCode.correspondentLoadFailed:
+      return S.of(context).errorMessageCorrespondentLoadFailed;
+    case ErrorCode.scanRemoveFailed:
+      return S.of(context).errorMessageScanRemoveFailed;
+    case ErrorCode.invalidClientCertificateConfiguration:
+      return S.of(context).errorMessageInvalidClientCertificateConfiguration;
+    case ErrorCode.documentBulkDeleteFailed:
+      return S.of(context).errorMessageBulkDeleteDocumentsFailed;
+    case ErrorCode.biometricsNotSupported:
+      return S.of(context).errorMessageBiotmetricsNotSupported;
+    case ErrorCode.biometricAuthenticationFailed:
+      return S.of(context).errorMessageBiometricAuthenticationFailed;
+    case ErrorCode.deviceOffline:
+      return S.of(context).errorMessageDeviceOffline;
+    case ErrorCode.serverUnreachable:
+      return S.of(context).errorMessageServerUnreachable;
+    case ErrorCode.similarQueryError:
+      return S.of(context).errorMessageSimilarQueryError;
+    case ErrorCode.autocompleteQueryError:
+      return S.of(context).errorMessageAutocompleteQueryError;
+    case ErrorCode.storagePathLoadFailed:
+      return S.of(context).errorMessageStoragePathLoadFailed;
+    case ErrorCode.storagePathCreateFailed:
+      return S.of(context).errorMessageStoragePathCreateFailed;
+    case ErrorCode.loadSavedViewsError:
+      return S.of(context).errorMessageLoadSavedViewsError;
+    case ErrorCode.createSavedViewError:
+      return S.of(context).errorMessageCreateSavedViewError;
+    case ErrorCode.deleteSavedViewError:
+      return S.of(context).errorMessageDeleteSavedViewError;
+    case ErrorCode.requestTimedOut:
+      return S.of(context).errorMessageRequestTimedOut;
+    default:
+      return S.of(context).errorMessageUnknonwnError;
+  }
+}

lib/core/logic/timeout_client.dart

@@ -0,0 +1,135 @@
+import 'dart:typed_data';
+
+import 'dart:convert';
+
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:http/http.dart';
+import 'package:injectable/injectable.dart';
+
+///
+/// Convenience class which handles timeout errors.
+///
+@Injectable(as: BaseClient)
+@Named("timeoutClient")
+class TimeoutClient implements BaseClient {
+  static const Duration requestTimeout = Duration(seconds: 25);
+
+  @override
+  Future<StreamedResponse> send(BaseRequest request) async {
+    return getIt<BaseClient>().send(request).timeout(
+          requestTimeout,
+          onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+        );
+  }
+
+  @override
+  void close() {
+    getIt<BaseClient>().close();
+  }
+
+  @override
+  Future<Response> delete(Uri url,
+      {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+    return _handle400Error(
+      await getIt<BaseClient>()
+          .delete(url, headers: headers, body: body, encoding: encoding)
+          .timeout(
+            requestTimeout,
+            onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+          ),
+    );
+  }
+
+  @override
+  Future<Response> get(Uri url, {Map<String, String>? headers}) async {
+    return _handle400Error(
+      await getIt<BaseClient>().get(url, headers: headers).timeout(
+            requestTimeout,
+            onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+          ),
+    );
+  }
+
+  @override
+  Future<Response> head(Uri url, {Map<String, String>? headers}) async {
+    return _handle400Error(
+      await getIt<BaseClient>().head(url, headers: headers).timeout(
+            requestTimeout,
+            onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+          ),
+    );
+  }
+
+  @override
+  Future<Response> patch(Uri url,
+      {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+    return _handle400Error(
+      await getIt<BaseClient>()
+          .patch(url, headers: headers, body: body, encoding: encoding)
+          .timeout(
+            requestTimeout,
+            onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+          ),
+    );
+  }
+
+  @override
+  Future<Response> post(Uri url,
+      {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+    return _handle400Error(
+      await getIt<BaseClient>().post(url, headers: headers, body: body, encoding: encoding).timeout(
+            requestTimeout,
+            onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+          ),
+    );
+  }
+
+  @override
+  Future<Response> put(Uri url,
+      {Map<String, String>? headers, Object? body, Encoding? encoding}) async {
+    return _handle400Error(
+      await getIt<BaseClient>().put(url, headers: headers, body: body, encoding: encoding).timeout(
+            requestTimeout,
+            onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+          ),
+    );
+  }
+
+  @override
+  Future<String> read(Uri url, {Map<String, String>? headers}) async {
+    return getIt<BaseClient>().read(url, headers: headers).timeout(
+          requestTimeout,
+          onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+        );
+  }
+
+  @override
+  Future<Uint8List> readBytes(Uri url, {Map<String, String>? headers}) {
+    return getIt<BaseClient>().readBytes(url, headers: headers).timeout(
+          requestTimeout,
+          onTimeout: () => Future.error(const ErrorMessage(ErrorCode.requestTimedOut)),
+        );
+  }
+
+  Response _handle400Error(Response response) {
+    if (response.statusCode == 400) {
+      // try to parse contained error message, otherwise return response
+      final JSON json = jsonDecode(response.body);
+      final Map<String, String> errorMessages = {};
+      //TODO: This could be simplified, look at error message format of paperless-ngx
+      for (final entry in json.entries) {
+        if (entry.value is List) {
+          errorMessages.putIfAbsent(entry.key, () => (entry.value as List).cast<String>().first);
+        } else if (entry.value is String) {
+          errorMessages.putIfAbsent(entry.key, () => entry.value);
+        } else {
+          errorMessages.putIfAbsent(entry.key, () => entry.value.toString());
+        }
+      }
+      throw errorMessages;
+    }
+    return response;
+  }
+}

lib/core/model/document_processing_status.dart

@@ -0,0 +1,46 @@
+enum ProcessingStatus { starting, working, success, error }
+
+enum ProcessingMessage {
+  new_file,
+  parsing_document,
+  generating_thumbnail,
+  parse_date,
+  save_document,
+  finished
+}
+
+class DocumentProcessingStatus {
+  final int currentProgress;
+  final int? documentId;
+  final String filename;
+  final int maxProgress;
+  final ProcessingMessage message;
+  final ProcessingStatus status;
+  final String taskId;
+  final bool isApproximated;
+
+  static const String UNKNOWN_TASK_ID = "NO_TASK_ID";
+
+  DocumentProcessingStatus({
+    required this.currentProgress,
+    this.documentId,
+    required this.filename,
+    required this.maxProgress,
+    required this.message,
+    required this.status,
+    required this.taskId,
+    this.isApproximated = false,
+  });
+
+  factory DocumentProcessingStatus.fromJson(Map<dynamic, dynamic> json) {
+    return DocumentProcessingStatus(
+      currentProgress: json['current_progress'],
+      documentId: json['documentId'],
+      filename: json['filename'],
+      maxProgress: json['max_progress'],
+      message: ProcessingMessage.values.byName(json['message']),
+      status: ProcessingStatus.values.byName(json['status']),
+      taskId: json['task_id'],
+    );
+  }
+}

lib/core/model/error_message.dart

@@ -0,0 +1,50 @@
+class ErrorMessage implements Exception {
+  final ErrorCode code;
+  final StackTrace? stackTrace;
+  final int? httpStatusCode;
+
+  const ErrorMessage(this.code, {this.stackTrace, this.httpStatusCode});
+
+  factory ErrorMessage.unknown() {
+    return const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  String toString() {
+    return "ErrorMessage(code: $code${stackTrace != null ? ', stackTrace: ${stackTrace.toString()}' : ''}${httpStatusCode != null ? ', httpStatusCode: $httpStatusCode' : ''})";
+  }
+}
+
+enum ErrorCode {
+  unknown,
+  authenticationFailed,
+  notAuthenticated,
+  documentUploadFailed,
+  documentUpdateFailed,
+  documentLoadFailed,
+  documentDeleteFailed,
+  documentBulkDeleteFailed,
+  documentPreviewFailed,
+  documentAsnQueryFailed,
+  tagCreateFailed,
+  tagLoadFailed,
+  documentTypeCreateFailed,
+  documentTypeLoadFailed,
+  correspondentCreateFailed,
+  correspondentLoadFailed,
+  scanRemoveFailed,
+  invalidClientCertificateConfiguration,
+  biometricsNotSupported,
+  biometricAuthenticationFailed,
+  deviceOffline,
+  serverUnreachable,
+  similarQueryError,
+  autocompleteQueryError,
+  storagePathLoadFailed,
+  storagePathCreateFailed,
+  loadSavedViewsError,
+  createSavedViewError,
+  deleteSavedViewError,
+  requestTimedOut,
+  storagePathAlreadyExists;
+}

lib/core/service/connectivity_status.service.dart

@@ -0,0 +1,51 @@
+import 'dart:io';
+
+import 'package:connectivity_plus/connectivity_plus.dart';
+import 'package:injectable/injectable.dart';
+
+abstract class ConnectivityStatusService {
+  Future<bool> isConnectedToInternet();
+  Future<bool> isServerReachable(String serverAddress);
+  Stream<bool> connectivityChanges();
+}
+
+@Injectable(as: ConnectivityStatusService)
+class ConnectivityStatusServiceImpl implements ConnectivityStatusService {
+  final Connectivity connectivity;
+
+  ConnectivityStatusServiceImpl(this.connectivity);
+
+  @override
+  Stream<bool> connectivityChanges() {
+    return connectivity.onConnectivityChanged
+        .map(_hasActiveInternetConnection)
+        .asBroadcastStream();
+  }
+
+  @override
+  Future<bool> isConnectedToInternet() async {
+    return _hasActiveInternetConnection(
+        await (Connectivity().checkConnectivity()));
+  }
+
+  @override
+  Future<bool> isServerReachable(String serverAddress) async {
+    try {
+      final result = await InternetAddress.lookup(
+          serverAddress.replaceAll(RegExp(r"https?://"), ""));
+      if (result.isNotEmpty && result.first.rawAddress.isNotEmpty) {
+        return true;
+      } else {
+        return false;
+      }
+    } on SocketException catch (_) {
+      return false;
+    }
+  }
+
+  bool _hasActiveInternetConnection(ConnectivityResult conn) {
+    return conn == ConnectivityResult.mobile ||
+        conn == ConnectivityResult.wifi ||
+        conn == ConnectivityResult.ethernet;
+  }
+}

lib/core/service/status.service.dart

@@ -0,0 +1,112 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter_paperless_mobile/core/bloc/document_status_cubit.dart';
+import 'package:flutter_paperless_mobile/core/model/document_processing_status.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/paged_search_result.dart';
+import 'package:flutter_paperless_mobile/features/login/model/authentication_information.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+import 'package:http_interceptor/http_interceptor.dart';
+import 'package:injectable/injectable.dart';
+import 'package:web_socket_channel/io.dart';
+
+abstract class StatusService {
+  Future<void> startListeningBeforeDocumentUpload(
+      String httpUrl, AuthenticationInformation credentials, String documentFileName);
+}
+
+@Singleton(as: StatusService)
+@Named("webSocketStatusService")
+class WebSocketStatusService implements StatusService {
+  late WebSocket? socket;
+  late IOWebSocketChannel? _channel;
+
+  WebSocketStatusService();
+
+  @override
+  Future<void> startListeningBeforeDocumentUpload(
+    String httpUrl,
+    AuthenticationInformation credentials,
+    String documentFileName,
+  ) async {
+    socket = await WebSocket.connect(
+      httpUrl.replaceFirst("http", "ws") + "/ws/status/",
+      customClient: getIt<HttpClient>(),
+      headers: {
+        'Authorization': 'Token ${credentials.token}',
+      },
+    ).catchError((_) {
+      // Use long polling if connection could not be established
+    });
+
+    if (socket != null) {
+      socket!.where(isNotNull).listen((event) {
+        final status = DocumentProcessingStatus.fromJson(event);
+        getIt<DocumentStatusCubit>().updateStatus(status);
+        if (status.currentProgress == 100) {
+          socket!.close();
+        }
+      });
+    }
+  }
+}
+
+@Injectable(as: StatusService)
+@Named("longPollingStatusService")
+class LongPollingStatusService implements StatusService {
+  static const maxRetries = 60;
+
+  final BaseClient httpClient;
+  LongPollingStatusService(@Named("timeoutClient") this.httpClient);
+
+  @override
+  Future<void> startListeningBeforeDocumentUpload(
+    String httpUrl,
+    AuthenticationInformation credentials,
+    String documentFileName,
+  ) async {
+    final today = DateTime.now();
+    bool consumptionFinished = false;
+    int retryCount = 0;
+
+    getIt<DocumentStatusCubit>().updateStatus(
+      DocumentProcessingStatus(
+        currentProgress: 0,
+        filename: documentFileName,
+        maxProgress: 100,
+        message: ProcessingMessage.new_file,
+        status: ProcessingStatus.working,
+        taskId: DocumentProcessingStatus.UNKNOWN_TASK_ID,
+        documentId: null,
+        isApproximated: true,
+      ),
+    );
+
+    do {
+      final response = await httpClient.get(
+        Uri.parse('$httpUrl/api/documents/?query=$documentFileName added:${formatDate(today)}'),
+      );
+      final data = PagedSearchResult.fromJson(jsonDecode(response.body), DocumentModel.fromJson);
+      if (data.count > 0) {
+        consumptionFinished = true;
+        final docId = data.results[0].id;
+        getIt<DocumentStatusCubit>().updateStatus(
+          DocumentProcessingStatus(
+            currentProgress: 100,
+            filename: documentFileName,
+            maxProgress: 100,
+            message: ProcessingMessage.finished,
+            status: ProcessingStatus.success,
+            taskId: DocumentProcessingStatus.UNKNOWN_TASK_ID,
+            documentId: docId,
+            isApproximated: true,
+          ),
+        );
+        return;
+      }
+      sleep(const Duration(seconds: 1));
+    } while (!consumptionFinished && retryCount < maxRetries);
+  }
+}

lib/core/store/local_vault.dart

@@ -0,0 +1,55 @@
+import 'dart:convert';
+
+import 'package:encrypted_shared_preferences/encrypted_shared_preferences.dart';
+import 'package:flutter_paperless_mobile/features/login/model/authentication_information.dart';
+import 'package:flutter_paperless_mobile/features/login/model/client_certificate.dart';
+import 'package:flutter_paperless_mobile/features/settings/model/application_settings_state.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class LocalVault {
+  static const applicationSettingsKey = "applicationSettings";
+  static const authenticationKey = "authentication";
+
+  final EncryptedSharedPreferences sharedPreferences;
+
+  LocalVault(this.sharedPreferences);
+
+  Future<void> storeAuthenticationInformation(
+    AuthenticationInformation auth,
+  ) async {
+    await sharedPreferences.setString(
+      authenticationKey,
+      json.encode(auth.toJson()),
+    );
+  }
+
+  Future<AuthenticationInformation?> loadAuthenticationInformation() async {
+    if ((await sharedPreferences.getString(authenticationKey)).isEmpty) {
+      return null;
+    }
+    return AuthenticationInformation.fromJson(
+      json.decode(await sharedPreferences.getString(authenticationKey)),
+    );
+  }
+
+  Future<ClientCertificate?> loadCertificate() async {
+    return loadAuthenticationInformation().then((value) => value?.clientCertificate);
+  }
+
+  Future<bool> storeApplicationSettings(ApplicationSettingsState settings) {
+    return sharedPreferences.setString(applicationSettingsKey, json.encode(settings.toJson()));
+  }
+
+  Future<ApplicationSettingsState?> loadApplicationSettings() async {
+    final settings = await sharedPreferences.getString(applicationSettingsKey);
+    if (settings.isEmpty) {
+      return null;
+    }
+    return ApplicationSettingsState.fromJson(json.decode(settings));
+  }
+
+  Future<void> clear() {
+    return sharedPreferences.clear();
+  }
+}

lib/core/type/json.dart

@@ -0,0 +1 @@
+typedef JSON = Map<String, dynamic>;

lib/core/util.dart

@@ -0,0 +1,66 @@
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:flutter_paperless_mobile/core/logic/timeout_client.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:http/http.dart';
+import 'package:path_provider/path_provider.dart';
+
+const requestTimeout = Duration(seconds: 5);
+
+Future<T> getSingleResult<T>(
+  String url,
+  T Function(JSON) fromJson,
+  ErrorCode errorCode, {
+  int minRequiredApiVersion = 1,
+}) async {
+  final httpClient = getIt<BaseClient>(instanceName: "timeoutClient");
+  final response = await httpClient.get(
+    Uri.parse(url),
+    headers: {'accept': 'application/json; version=$minRequiredApiVersion'},
+  );
+  if (response.statusCode == 200) {
+    return fromJson(jsonDecode(utf8.decode(response.bodyBytes)) as JSON);
+  }
+  return Future.error(errorCode);
+}
+
+Future<List<T>> getCollection<T>(
+  String url,
+  T Function(JSON) fromJson,
+  ErrorCode errorCode, {
+  int minRequiredApiVersion = 1,
+}) async {
+  final httpClient = getIt<BaseClient>(instanceName: "timeoutClient");
+  final response = await httpClient.get(
+    Uri.parse(url),
+    headers: {'accept': 'application/json; version=$minRequiredApiVersion'},
+  );
+  if (response.statusCode == 200) {
+    final JSON body = jsonDecode(utf8.decode(response.bodyBytes));
+    if (body.containsKey('count')) {
+      if (body['count'] == 0) {
+        return <T>[];
+      } else {
+        return body['results'].cast<JSON>().map<T>((result) => fromJson(result)).toList();
+      }
+    }
+  }
+  return Future.error(errorCode);
+}
+
+class FileUtils {
+  static Future<File> saveToFile(
+    Uint8List bytes,
+    String filename, {
+    StorageDirectory directoryType = StorageDirectory.documents,
+  }) async {
+    final dir = (await getExternalStorageDirectories(type: directoryType));
+    File file = File("$dir/$filename");
+    file.writeAsBytesSync(bytes);
+    return file;
+  }
+}

lib/core/widgets/coming_soon_placeholder.dart

@@ -0,0 +1,15 @@
+import 'package:flutter/material.dart';
+
+class ComingSoon extends StatelessWidget {
+  const ComingSoon({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Text(
+        "Coming Soon\u2122",
+        style: Theme.of(context).textTheme.titleLarge,
+      ),
+    );
+  }
+}

lib/core/widgets/confirm_button.dart

@@ -0,0 +1,70 @@
+import 'dart:math' as math;
+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+
+class ElevatedConfirmationButton extends StatefulWidget {
+  factory ElevatedConfirmationButton.icon(BuildContext context,
+      {required void Function() onPressed, required Icon icon, required Widget label}) {
+    final double scale = MediaQuery.maybeOf(context)?.textScaleFactor ?? 1;
+    final double gap = scale <= 1 ? 8 : lerpDouble(8, 4, math.min(scale - 1, 1))!;
+    return ElevatedConfirmationButton(
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[icon, SizedBox(width: gap), Flexible(child: label)],
+      ),
+      onPressed: onPressed,
+    );
+  }
+
+  const ElevatedConfirmationButton({
+    Key? key,
+    this.color,
+    required this.onPressed,
+    required this.child,
+    this.confirmWidget = const Text("Confirm?"),
+  }) : super(key: key);
+
+  final Color? color;
+  final void Function()? onPressed;
+  final Widget child;
+  final Widget confirmWidget;
+  @override
+  State<ElevatedConfirmationButton> createState() => _ElevatedConfirmationButtonState();
+}
+
+class _ElevatedConfirmationButtonState extends State<ElevatedConfirmationButton> {
+  bool _clickedOnce = false;
+  double? _originalWidth;
+  final GlobalKey _originalWidgetKey = GlobalKey();
+  @override
+  Widget build(BuildContext context) {
+    if (!_clickedOnce) {
+      return ElevatedButton(
+        key: _originalWidgetKey,
+        style: ButtonStyle(
+          backgroundColor: MaterialStateProperty.all(widget.color),
+        ),
+        onPressed: () {
+          _originalWidth =
+              (_originalWidgetKey.currentContext?.findRenderObject() as RenderBox).size.width;
+          setState(() => _clickedOnce = true);
+        },
+        child: widget.child,
+      );
+    } else {
+      return Builder(builder: (context) {
+        return SizedBox(
+          width: _originalWidth,
+          child: ElevatedButton(
+            style: ButtonStyle(
+              backgroundColor: MaterialStateProperty.all(widget.color),
+            ),
+            onPressed: widget.onPressed,
+            child: widget.confirmWidget,
+          ),
+        );
+      });
+    }
+  }
+}

lib/core/widgets/documents_list_loading_widget.dart

@@ -0,0 +1,86 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:shimmer/shimmer.dart';
+
+class DocumentsListLoadingWidget extends StatelessWidget {
+  static const tags = ["    ", "            ", "      "];
+  static const titleLengths = <double>[double.infinity, 150.0, 200.0];
+  static const correspondentLengths = <double>[200.0, 300.0, 150.0];
+  static const fontSize = 16.0;
+
+  const DocumentsListLoadingWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      height: MediaQuery.of(context).size.height,
+      width: double.infinity,
+      child: Column(
+        mainAxisSize: MainAxisSize.max,
+        children: <Widget>[
+          Expanded(
+            child: Shimmer.fromColors(
+              baseColor: Theme.of(context).brightness == Brightness.light
+                  ? Colors.grey[300]!
+                  : Colors.grey[900]!,
+              highlightColor: Theme.of(context).brightness == Brightness.light
+                  ? Colors.grey[100]!
+                  : Colors.grey[600]!,
+              child: ListView.builder(
+                physics: const NeverScrollableScrollPhysics(),
+                itemBuilder: (context, index) {
+                  final r = Random(index);
+                  final tagCount = r.nextInt(tags.length + 1);
+                  final correspondentLength = correspondentLengths[
+                      r.nextInt(correspondentLengths.length - 1)];
+                  final titleLength =
+                      titleLengths[r.nextInt(titleLengths.length - 1)];
+                  return ListTile(
+                    isThreeLine: true,
+                    leading: Container(
+                      color: Colors.white,
+                      height: 50,
+                      width: 50,
+                    ),
+                    title: Container(
+                      padding: const EdgeInsets.symmetric(vertical: 2.0),
+                      width: correspondentLength,
+                      height: fontSize,
+                      color: Colors.white,
+                    ),
+                    subtitle: Padding(
+                      padding: const EdgeInsets.symmetric(vertical: 2.0),
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        mainAxisAlignment: MainAxisAlignment.spaceAround,
+                        children: [
+                          Container(
+                            padding: const EdgeInsets.symmetric(vertical: 2.0),
+                            height: fontSize,
+                            width: titleLength,
+                            color: Colors.white,
+                          ),
+                          Wrap(
+                            spacing: 2.0,
+                            children: List.generate(
+                              tagCount,
+                              (index) => Chip(
+                                label: Text(tags[r.nextInt(tags.length)]),
+                              ),
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  );
+                },
+                itemCount: 25,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/core/widgets/empty_state.dart

@@ -0,0 +1,45 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+class EmptyState extends StatelessWidget {
+  final String title;
+  final String subtitle;
+  final Widget? bottomChild;
+
+  const EmptyState({
+    Key? key,
+    required this.title,
+    required this.subtitle,
+    this.bottomChild,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final size = MediaQuery.of(context).size;
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        SizedBox(
+          height: size.height / 3,
+          width: size.width / 3,
+          child: SvgPicture.asset("assets/images/empty-state.svg"),
+        ),
+        Column(
+          children: [
+            Text(
+              title,
+              style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                    fontWeight: FontWeight.bold,
+                  ),
+            ),
+            Text(
+              subtitle,
+              style: Theme.of(context).textTheme.titleMedium,
+            ),
+          ],
+        ),
+        if (bottomChild != null) ...[bottomChild!] else ...[]
+      ],
+    );
+  }
+}

lib/core/widgets/expandable_floating_action_button.dart

@@ -0,0 +1,215 @@
+import 'dart:math' as math;
+
+import 'package:flutter/material.dart';
+
+@immutable
+class ExpandableFloatingActionButton extends StatefulWidget {
+  const ExpandableFloatingActionButton({
+    super.key,
+    this.initialOpen,
+    required this.distance,
+    required this.children,
+  });
+
+  final bool? initialOpen;
+  final double distance;
+  final List<Widget> children;
+
+  @override
+  State<ExpandableFloatingActionButton> createState() =>
+      _ExpandableFloatingActionButtonState();
+}
+
+class _ExpandableFloatingActionButtonState
+    extends State<ExpandableFloatingActionButton>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _controller;
+  late final Animation<double> _expandAnimation;
+  bool _open = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _open = widget.initialOpen ?? false;
+    _controller = AnimationController(
+      value: _open ? 1.0 : 0.0,
+      duration: const Duration(milliseconds: 250),
+      vsync: this,
+    );
+    _expandAnimation = CurvedAnimation(
+      curve: Curves.fastOutSlowIn,
+      reverseCurve: Curves.easeOutQuad,
+      parent: _controller,
+    );
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  void _toggle() {
+    setState(() {
+      _open = !_open;
+      if (_open) {
+        _controller.forward();
+      } else {
+        _controller.reverse();
+      }
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox.expand(
+      child: Stack(
+        alignment: Alignment.bottomRight,
+        clipBehavior: Clip.none,
+        children: [
+          _buildTapToCloseFab(),
+          ..._buildExpandingActionButtons(),
+          _buildTapToOpenFab(),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildTapToCloseFab() {
+    return SizedBox(
+      width: 56.0,
+      height: 56.0,
+      child: Center(
+        child: Material(
+          shape: const CircleBorder(),
+          clipBehavior: Clip.antiAlias,
+          elevation: 4.0,
+          child: InkWell(
+            onTap: _toggle,
+            child: Padding(
+              padding: const EdgeInsets.all(8.0),
+              child: Icon(
+                Icons.close,
+                color: Theme.of(context).primaryColor,
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  List<Widget> _buildExpandingActionButtons() {
+    final children = <Widget>[];
+    final count = widget.children.length;
+    final step = 90.0 / (count - 1);
+    for (var i = 0, angleInDegrees = 0.0;
+        i < count;
+        i++, angleInDegrees += step) {
+      children.add(
+        _ExpandingActionButton(
+          directionInDegrees: angleInDegrees,
+          maxDistance: widget.distance,
+          progress: _expandAnimation,
+          child: widget.children[i],
+        ),
+      );
+    }
+    return children;
+  }
+
+  Widget _buildTapToOpenFab() {
+    return IgnorePointer(
+      ignoring: _open,
+      child: AnimatedContainer(
+        transformAlignment: Alignment.center,
+        transform: Matrix4.diagonal3Values(
+          _open ? 0.7 : 1.0,
+          _open ? 0.7 : 1.0,
+          1.0,
+        ),
+        duration: const Duration(milliseconds: 250),
+        curve: const Interval(0.0, 0.5, curve: Curves.easeOut),
+        child: AnimatedOpacity(
+          opacity: _open ? 0.0 : 1.0,
+          curve: const Interval(0.25, 1.0, curve: Curves.easeInOut),
+          duration: const Duration(milliseconds: 250),
+          child: FloatingActionButton(
+            onPressed: _toggle,
+            child: const Icon(Icons.create),
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+@immutable
+class _ExpandingActionButton extends StatelessWidget {
+  const _ExpandingActionButton({
+    required this.directionInDegrees,
+    required this.maxDistance,
+    required this.progress,
+    required this.child,
+  });
+
+  final double directionInDegrees;
+  final double maxDistance;
+  final Animation<double> progress;
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+      animation: progress,
+      builder: (context, child) {
+        final offset = Offset.fromDirection(
+          directionInDegrees * (math.pi / 180.0),
+          progress.value * maxDistance,
+        );
+        return Positioned(
+          right: 4.0 + offset.dx,
+          bottom: 4.0 + offset.dy,
+          child: Transform.rotate(
+            angle: (1.0 - progress.value) * math.pi / 2,
+            child: child!,
+          ),
+        );
+      },
+      child: FadeTransition(
+        opacity: progress,
+        child: child,
+      ),
+    );
+  }
+}
+
+@immutable
+class ExpandableActionButton extends StatelessWidget {
+  const ExpandableActionButton({
+    super.key,
+    this.color,
+    this.onPressed,
+    required this.icon,
+  });
+
+  final VoidCallback? onPressed;
+  final Widget icon;
+  final Color? color;
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      height: 48,
+      width: 48,
+      child: ElevatedButton(
+        onPressed: onPressed,
+        child: icon,
+        style: ButtonStyle(
+          padding: MaterialStateProperty.all(EdgeInsets.zero),
+          backgroundColor: MaterialStateProperty.all(color),
+        ),
+      ),
+    );
+  }
+}

lib/core/widgets/highlighted_text.dart

@@ -0,0 +1,125 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+class HighlightedText extends StatelessWidget {
+  final String text;
+  final List<String> highlights;
+  final Color? color;
+  final TextStyle? style;
+  final bool caseSensitive;
+
+  final TextAlign textAlign;
+  final TextDirection? textDirection;
+  final TextOverflow overflow;
+  final double textScaleFactor;
+  final int? maxLines;
+  final StrutStyle? strutStyle;
+  final TextWidthBasis textWidthBasis;
+  final TextHeightBehavior? textHeightBehavior;
+
+  const HighlightedText({
+    super.key,
+    required this.text,
+    required this.highlights,
+    this.style,
+    this.color = Colors.yellowAccent,
+    this.caseSensitive = true,
+    this.textAlign = TextAlign.start,
+    this.textDirection = TextDirection.ltr,
+    this.overflow = TextOverflow.clip,
+    this.textScaleFactor = 1.0,
+    this.maxLines,
+    this.strutStyle,
+    this.textWidthBasis = TextWidthBasis.parent,
+    this.textHeightBehavior,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    if (text.isEmpty || highlights.isEmpty || highlights.contains('')) {
+      return SelectableText.rich(
+        _normalSpan(text, context),
+        key: key,
+        textAlign: textAlign,
+        textDirection: textDirection,
+        textScaleFactor: textScaleFactor,
+        maxLines: maxLines,
+        strutStyle: strutStyle,
+        textWidthBasis: textWidthBasis,
+        textHeightBehavior: textHeightBehavior,
+        style: TextStyle(overflow: overflow),
+      );
+    }
+
+    return SelectableText.rich(
+      TextSpan(children: _buildChildren(context)),
+      key: key,
+      textAlign: textAlign,
+      textDirection: textDirection,
+      textScaleFactor: textScaleFactor,
+      maxLines: maxLines,
+      strutStyle: strutStyle,
+      textWidthBasis: textWidthBasis,
+      textHeightBehavior: textHeightBehavior,
+      style: TextStyle(overflow: overflow),
+    );
+  }
+
+  List<TextSpan> _buildChildren(BuildContext context) {
+    List<TextSpan> _spans = [];
+    int _start = 0;
+
+    String _text = caseSensitive ? text : text.toLowerCase();
+    List<String> _highlights =
+        caseSensitive ? highlights : highlights.map((e) => e.toLowerCase()).toList();
+
+    while (true) {
+      Map<int, String> _highlightsMap = {}; //key (index), value (highlight).
+
+      for (final h in _highlights) {
+        final idx = _text.indexOf(h, _start);
+        if (idx >= 0) {
+          _highlightsMap.putIfAbsent(_text.indexOf(h, _start), () => h);
+        }
+      }
+
+      if (_highlightsMap.isNotEmpty) {
+        int _currentIndex = _highlightsMap.keys.reduce(min);
+        String _currentHighlight = text.substring(
+          _currentIndex,
+          _currentIndex + _highlightsMap[_currentIndex]!.length,
+        );
+
+        if (_currentIndex == _start) {
+          _spans.add(_highlightSpan(_currentHighlight));
+          _start += _currentHighlight.length;
+        } else {
+          _spans.add(_normalSpan(text.substring(_start, _currentIndex), context));
+          _spans.add(_highlightSpan(_currentHighlight));
+          _start = _currentIndex + _currentHighlight.length;
+        }
+      } else {
+        _spans.add(_normalSpan(text.substring(_start, text.length), context));
+        break;
+      }
+    }
+    return _spans;
+  }
+
+  TextSpan _highlightSpan(String value) {
+    return TextSpan(
+      text: value,
+      style: style?.copyWith(
+        backgroundColor: color,
+      ),
+    );
+  }
+
+  TextSpan _normalSpan(String value, BuildContext context) {
+    return TextSpan(
+      text: value,
+      style: style ?? Theme.of(context).textTheme.bodyText2,
+    );
+  }
+}

lib/core/widgets/offline_banner.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class OfflineBanner extends StatelessWidget with PreferredSizeWidget {
+  const OfflineBanner({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      color: Theme.of(context).disabledColor,
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          const Padding(
+            padding: EdgeInsets.symmetric(horizontal: 8.0),
+            child: Icon(
+              Icons.cloud_off,
+              size: 24,
+            ),
+          ),
+          Text(S.of(context).genericMessageOfflineText),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Size get preferredSize => const Size.fromHeight(24);
+}

lib/core/widgets/offline_widget.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class OfflineWidget extends StatelessWidget {
+  const OfflineWidget({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(16.0),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(Icons.mood_bad, size: (Theme.of(context).iconTheme.size ?? 24) * 3),
+          Text(
+            S.of(context).offlineWidgetText,
+            textAlign: TextAlign.center,
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/core/widgets/paperless_logo.dart

@@ -0,0 +1,23 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+class PaperlessLogo extends StatelessWidget {
+  final double? height;
+  final double? width;
+  const PaperlessLogo({Key? key, this.height, this.width}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      constraints: BoxConstraints(
+        maxHeight: height ?? Theme.of(context).iconTheme.size ?? 32,
+        maxWidth: width ?? Theme.of(context).iconTheme.size ?? 32,
+      ),
+      padding: const EdgeInsets.only(right: 8),
+      child: SvgPicture.asset(
+        "assets/logo/paperless_ng_logo_light.svg",
+        color: Theme.of(context).primaryColor,
+      ),
+    );
+  }
+}

lib/di_initializer.dart

@@ -0,0 +1,31 @@
+import 'dart:io';
+
+import 'package:flutter_paperless_mobile/di_initializer.config.dart';
+import 'package:flutter_paperless_mobile/di_modules.dart';
+import 'package:flutter_paperless_mobile/features/login/model/client_certificate.dart';
+import 'package:get_it/get_it.dart';
+import 'package:injectable/injectable.dart';
+
+final getIt = GetIt.instance..allowReassignment;
+
+@InjectableInit(
+  initializerName: r'$initGetIt', // default
+  preferRelativeImports: true, // default
+  asExtension: false, // default
+)
+void configureDependencies() => $initGetIt(getIt);
+
+///
+/// Registers new security context, which will be used by the HttpClient, see [RegisterModule].
+///
+void registerSecurityContext(ClientCertificate? cert) {
+  var context = SecurityContext();
+  if (cert != null) {
+    context = context
+      ..usePrivateKeyBytes(cert.bytes, password: cert.passphrase)
+      ..useCertificateChainBytes(cert.bytes, password: cert.passphrase)
+      ..setTrustedCertificatesBytes(cert.bytes, password: cert.passphrase);
+  }
+  getIt.unregister<SecurityContext>();
+  getIt.registerSingleton<SecurityContext>(context);
+}

lib/di_modules.dart

@@ -0,0 +1,55 @@
+import 'dart:io';
+
+import 'package:connectivity_plus/connectivity_plus.dart';
+import 'package:encrypted_shared_preferences/encrypted_shared_preferences.dart';
+import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+import 'package:flutter_paperless_mobile/core/interceptor/authentication.interceptor.dart';
+import 'package:flutter_paperless_mobile/core/interceptor/connection_state.interceptor.dart';
+import 'package:flutter_paperless_mobile/core/interceptor/language_header.interceptor.dart';
+import 'package:flutter_paperless_mobile/core/interceptor/response_conversion.interceptor.dart';
+import 'package:http/http.dart';
+import 'package:http/io_client.dart';
+import 'package:http_interceptor/http/http.dart';
+import 'package:injectable/injectable.dart';
+import 'package:local_auth/local_auth.dart';
+
+@module
+abstract class RegisterModule {
+  @singleton
+  LocalAuthentication get localAuthentication => LocalAuthentication();
+  @singleton
+  EncryptedSharedPreferences get encryptedSharedPreferences => EncryptedSharedPreferences();
+  @singleton
+  SecurityContext get securityContext => SecurityContext();
+  @singleton
+  Connectivity get connectivity => Connectivity();
+
+  ///
+  /// Factory method creating an [HttpClient] with the currently registered [SecurityContext].
+  ///
+  HttpClient getHttpClient(SecurityContext securityContext) =>
+      HttpClient(context: securityContext)..connectionTimeout = const Duration(seconds: 10);
+
+  ///
+  /// Factory method creating a [InterceptedClient] on top of the currently registered [HttpClient].
+  ///
+  BaseClient getBaseClient(
+    AuthenticationInterceptor authInterceptor,
+    ResponseConversionInterceptor responseConversionInterceptor,
+    ConnectionStateInterceptor connectionStateInterceptor,
+    LanguageHeaderInterceptor languageHeaderInterceptor,
+    HttpClient client,
+  ) =>
+      InterceptedClient.build(
+        interceptors: [
+          authInterceptor,
+          responseConversionInterceptor,
+          connectionStateInterceptor,
+          languageHeaderInterceptor
+        ],
+        client: IOClient(client),
+      );
+
+  CacheManager getCacheManager(BaseClient client) =>
+      CacheManager(Config('cacheKey', fileService: HttpFileService(httpClient: client)));
+}

lib/extensions/dart_extensions.dart

@@ -0,0 +1,9 @@
+extension NullableMapKey<K, V> on Map<K, V> {
+  V? tryPutIfAbsent(K key, V? Function() ifAbsent) {
+    final value = ifAbsent();
+    if (value == null) {
+      return null;
+    }
+    return putIfAbsent(key, () => value);
+  }
+}

lib/extensions/flutter_extensions.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/widgets.dart';
+
+extension WidgetPadding on Widget {
+  Widget padded([EdgeInsetsGeometry value = const EdgeInsets.all(8)]) {
+    return Padding(
+      padding: value,
+      child: this,
+    );
+  }
+}
+
+extension WidgetsPadding on List<Widget> {
+  List<Widget> padded([EdgeInsetsGeometry value = const EdgeInsets.all(8)]) {
+    return map((child) => Padding(
+          padding: value,
+          child: child,
+        )).toList();
+  }
+}

lib/features/app_intro/application_intro_slideshow.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:flutter_paperless_mobile/features/app_intro/widgets/biometric_authentication_intro_slide.dart';
+import 'package:flutter_paperless_mobile/features/app_intro/widgets/configuration_done_intro_slide.dart';
+import 'package:flutter_paperless_mobile/features/app_intro/widgets/welcome_intro_slide.dart';
+import 'package:flutter_paperless_mobile/features/home/view/home_page.dart';
+import 'package:flutter_paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
+import 'package:intro_slider/intro_slider.dart';
+
+class ApplicationIntroSlideshow extends StatelessWidget {
+  const ApplicationIntroSlideshow({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return WillPopScope(
+      onWillPop: () async => false,
+      child: IntroSlider(
+        renderDoneBtn: TextButton(
+          child: Text("GO"), //TODO: INTL
+          onPressed: () {
+            Navigator.pop(context);
+          },
+        ),
+        backgroundColorAllTabs: Theme.of(context).canvasColor,
+        onDonePress: () => Navigator.of(context)
+            .pushReplacement(MaterialPageRoute(builder: (context) => const HomePage())),
+        listCustomTabs: [
+          const WelcomeIntroSlide(),
+          BlocProvider.value(
+            value: getIt<ApplicationSettingsCubit>(),
+            child: const BiometricAuthenticationIntroSlide(),
+          ),
+          const ConfigurationDoneIntroSlide(),
+        ].padded(const EdgeInsets.all(16.0)),
+      ),
+    );
+  }
+}

lib/features/app_intro/widgets/biometric_authentication_intro_slide.dart

@@ -0,0 +1,83 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/login/services/authentication.service.dart';
+import 'package:flutter_paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
+import 'package:flutter_paperless_mobile/features/settings/model/application_settings_state.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class BiometricAuthenticationIntroSlide extends StatefulWidget {
+  const BiometricAuthenticationIntroSlide({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  State<BiometricAuthenticationIntroSlide> createState() =>
+      _BiometricAuthenticationIntroSlideState();
+}
+
+class _BiometricAuthenticationIntroSlideState extends State<BiometricAuthenticationIntroSlide> {
+  @override
+  Widget build(BuildContext context) {
+    //TODO: INTL
+    return BlocBuilder<ApplicationSettingsCubit, ApplicationSettingsState>(
+      builder: (context, settings) {
+        return Column(
+          mainAxisAlignment: MainAxisAlignment.spaceAround,
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
+            Text(
+              "Configure Biometric Authentication",
+              style: Theme.of(context).textTheme.titleLarge,
+              textAlign: TextAlign.center,
+            ),
+            Text(
+              "It is highly recommended to additionally secure your local data. Do you want to enable biometric authentication?",
+              textAlign: TextAlign.center,
+            ),
+            Column(
+              children: [
+                const Icon(
+                  Icons.fingerprint,
+                  size: 48,
+                ),
+                const SizedBox(
+                  height: 32,
+                ),
+                Builder(builder: (context) {
+                  if (settings.isLocalAuthenticationEnabled) {
+                    return ElevatedButton.icon(
+                      icon: Icon(
+                        Icons.done,
+                        color: Colors.green,
+                      ),
+                      label: Text("Enabled"),
+                      onPressed: null,
+                    );
+                  }
+                  return ElevatedButton(
+                    child: Text("Enable"),
+                    onPressed: () {
+                      final settings = BlocProvider.of<ApplicationSettingsCubit>(context).state;
+                      getIt<AuthenticationService>()
+                          .authenticateLocalUser("Please authenticate to secure Paperless Mobile")
+                          .then((isEnabled) {
+                        if (!isEnabled) {
+                          showSnackBar(context,
+                              "Could not set up biometric authentication. Please try again or skip for now.");
+                          return;
+                        }
+                        BlocProvider.of<ApplicationSettingsCubit>(context)
+                            .setIsBiometricAuthenticationEnabled(true);
+                      });
+                    },
+                  );
+                }),
+              ],
+            ),
+          ],
+        );
+      },
+    );
+  }
+}

lib/features/app_intro/widgets/configuration_done_intro_slide.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+class ConfigurationDoneIntroSlide extends StatelessWidget {
+  const ConfigurationDoneIntroSlide({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      //TODO: INTL
+      mainAxisAlignment: MainAxisAlignment.spaceAround,
+      children: [
+        Text(
+          "All set up!",
+          style: Theme.of(context).textTheme.titleLarge,
+        ),
+        Icon(
+          Icons.emoji_emotions_outlined,
+          size: 64,
+        ),
+        Text(
+          "You've successfully configured Paperless Mobile! Press 'GO' to get started managing your documents.",
+          textAlign: TextAlign.center,
+        ),
+      ],
+    );
+  }
+}

lib/features/app_intro/widgets/welcome_intro_slide.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/src/widgets/framework.dart';
+
+class WelcomeIntroSlide extends StatelessWidget {
+  const WelcomeIntroSlide({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    //TODO: INTL
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.spaceAround,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        Text(
+          "Welcome to Paperless Mobile!",
+          style: Theme.of(context).textTheme.titleLarge,
+          textAlign: TextAlign.center,
+        ),
+        Text(
+          "Manage and add your documents on the go!",
+          textAlign: TextAlign.center,
+        ),
+      ],
+    );
+  }
+}

lib/features/documents/bloc/documents_cubit.dart

@@ -0,0 +1,130 @@
+import 'dart:typed_data';
+
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/paged_search_result.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class DocumentsCubit extends Cubit<DocumentsState> {
+  final DocumentRepository documentRepository;
+
+  DocumentsCubit(this.documentRepository) : super(DocumentsState.initial);
+
+  Future<void> addDocument(
+    Uint8List bytes,
+    String fileName, {
+    required String title,
+    required void Function(DocumentModel document) onConsumptionFinished,
+    int? documentType,
+    int? correspondent,
+    List<int>? tags,
+    DateTime? createdAt,
+  }) async {
+    await documentRepository.create(
+      bytes,
+      fileName,
+      title: title,
+      documentType: documentType,
+      correspondent: correspondent,
+      tags: tags,
+      createdAt: createdAt,
+    );
+    // documentRepository
+    //     .waitForConsumptionFinished(fileName, title)
+    //     .then((value) => onConsumptionFinished(value));
+  }
+
+  Future<void> removeDocument(DocumentModel document) async {
+    await documentRepository.delete(document);
+    return await reloadDocuments();
+  }
+
+  Future<void> bulkRemoveDocuments(List<DocumentModel> documents) async {
+    await documentRepository.bulkDelete(documents);
+    return await reloadDocuments();
+  }
+
+  Future<void> updateDocument(DocumentModel document) async {
+    await documentRepository.update(document);
+    await reloadDocuments();
+  }
+
+  Future<void> loadDocuments() async {
+    final result = await documentRepository.find(state.filter);
+    emit(DocumentsState(
+      isLoaded: true,
+      value: [...state.value, result],
+      filter: state.filter,
+    ));
+  }
+
+  Future<void> reloadDocuments() async {
+    if (state.currentPageNumber >= 5) {
+      return _bulkReloadDocuments();
+    }
+    var newPages = <PagedSearchResult>[];
+    for (final page in state.value) {
+      final result = await documentRepository.find(state.filter.copyWith(page: page.pageKey));
+      newPages.add(result);
+    }
+    emit(DocumentsState(isLoaded: true, value: newPages, filter: state.filter));
+  }
+
+  Future<void> _bulkReloadDocuments() async {
+    final result = await documentRepository
+        .find(state.filter.copyWith(page: 1, pageSize: state.documents.length));
+    emit(DocumentsState(isLoaded: true, value: [result], filter: state.filter));
+  }
+
+  Future<void> loadMore() async {
+    if (state.isLastPageLoaded) {
+      return;
+    }
+    final newFilter = state.filter.copyWith(page: state.filter.page + 1);
+    final result = await documentRepository.find(newFilter);
+    emit(DocumentsState(isLoaded: true, value: [...state.value, result], filter: newFilter));
+  }
+
+  Future<void> assignAsn(DocumentModel document) async {
+    if (document.archiveSerialNumber == null) {
+      final int asn = await documentRepository.findNextAsn();
+      updateDocument(document.copyWith(archiveSerialNumber: asn));
+    }
+  }
+
+  ///
+  /// Update filter state and automatically reload documents. Always resets page to 1.
+  /// Use [DocumentsCubit.loadMore] to load more data.
+  Future<void> updateFilter({
+    DocumentFilter filter = DocumentFilter.initial,
+  }) async {
+    final result = await documentRepository.find(filter.copyWith(page: 1));
+    emit(DocumentsState(filter: filter, value: [result], isLoaded: true));
+  }
+
+  void toggleDocumentSelection(DocumentModel model) {
+    if (state.selection.contains(model)) {
+      emit(
+        state.copyWith(
+          selection: state.selection.where((element) => element.id != model.id).toList(),
+        ),
+      );
+    } else {
+      emit(
+        state.copyWith(selection: [...state.selection, model]),
+      );
+    }
+  }
+
+  void resetSelection() {
+    emit(state.copyWith(selection: []));
+  }
+
+  void reset() {
+    emit(DocumentsState.initial);
+  }
+}

lib/features/documents/bloc/documents_state.dart

@@ -0,0 +1,82 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/paged_search_result.dart';
+
+class DocumentsState extends Equatable {
+  final bool isLoaded;
+  final DocumentFilter filter;
+  final List<PagedSearchResult> value;
+  final List<DocumentModel> selection;
+
+  const DocumentsState({
+    required this.isLoaded,
+    required this.value,
+    required this.filter,
+    this.selection = const [],
+  });
+
+  static const DocumentsState initial = DocumentsState(
+    isLoaded: false,
+    value: [],
+    filter: DocumentFilter.initial,
+    selection: [],
+  );
+
+  int get currentPageNumber {
+    return filter.page;
+  }
+
+  int? get nextPageNumber {
+    return isLastPageLoaded ? null : currentPageNumber + 1;
+  }
+
+  int get count {
+    if (value.isEmpty) {
+      return 0;
+    }
+    return value.first.count;
+  }
+
+  bool get isLastPageLoaded {
+    if (!isLoaded) {
+      return false;
+    }
+    if (value.isNotEmpty) {
+      return value.last.next == null;
+    }
+    return true;
+  }
+
+  int inferPageCount({required int pageSize}) {
+    if (!isLoaded) {
+      return 100000;
+    }
+    if (value.isEmpty) {
+      return 0;
+    }
+    return value.first.inferPageCount(pageSize: pageSize);
+  }
+
+  List<DocumentModel> get documents {
+    return value.fold([], (previousValue, element) => [...previousValue, ...element.results]);
+  }
+
+  DocumentsState copyWith({
+    bool overwrite = false,
+    bool? isLoaded,
+    List<PagedSearchResult>? value,
+    DocumentFilter? filter,
+    List<DocumentModel>? selection,
+  }) {
+    return DocumentsState(
+      isLoaded: isLoaded ?? this.isLoaded,
+      value: value ?? this.value,
+      filter: filter ?? this.filter,
+      selection: selection ?? this.selection,
+    );
+  }
+
+  @override
+  List<Object?> get props => [isLoaded, filter, value, selection];
+}

lib/features/documents/bloc/saved_view_cubit.dart

@@ -0,0 +1,50 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/saved_views_repository.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class SavedViewCubit extends Cubit<SavedViewState> {
+  SavedViewCubit() : super(SavedViewState(value: {}));
+
+  void selectView(SavedView? view) {
+    emit(SavedViewState(value: state.value, selectedSavedViewId: view?.id));
+  }
+
+  Future<SavedView> add(SavedView view) async {
+    final savedView = await getIt<SavedViewsRepository>().save(view);
+    emit(
+      SavedViewState(
+        value: {...state.value, savedView.id!: savedView},
+        selectedSavedViewId: state.selectedSavedViewId,
+      ),
+    );
+    return savedView;
+  }
+
+  Future<int> remove(SavedView view) async {
+    final id = await getIt<SavedViewsRepository>().delete(view);
+    final newValue = {...state.value};
+    newValue.removeWhere((key, value) => key == id);
+    emit(
+      SavedViewState(
+        value: newValue,
+        selectedSavedViewId:
+            view.id == state.selectedSavedViewId ? null : state.selectedSavedViewId,
+      ),
+    );
+    return id;
+  }
+
+  Future<void> initialize() async {
+    final views = await getIt<SavedViewsRepository>().getAll();
+    final values = {for (var element in views) element.id!: element};
+    emit(SavedViewState(value: values));
+  }
+
+  void resetSelection() {
+    emit(SavedViewState(value: state.value));
+  }
+}

lib/features/documents/bloc/saved_view_state.dart

@@ -0,0 +1,15 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+
+class SavedViewState with EquatableMixin {
+  final Map<int, SavedView> value;
+  final int? selectedSavedViewId;
+
+  SavedViewState({
+    required this.value,
+    this.selectedSavedViewId,
+  });
+
+  @override
+  List<Object?> get props => [value, selectedSavedViewId];
+}

lib/features/documents/model/bulk_edit.model.dart

@@ -0,0 +1,19 @@
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+
+class BulkEditAction {
+  final List<int> documents;
+  final String _method;
+  final Map<String, dynamic> parameters;
+
+  BulkEditAction.delete(this.documents)
+      : _method = 'delete',
+        parameters = {};
+
+  JSON toJson() {
+    return {
+      'documents': documents,
+      'method': _method,
+      'parameters': parameters,
+    };
+  }
+}

lib/features/documents/model/document.model.dart

@@ -0,0 +1,148 @@
+// ignore_for_file: non_constant_identifier_names
+
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/id_query_parameter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/ids_query_parameter.dart';
+
+class DocumentModel extends Equatable {
+  static const idKey = 'id';
+  static const titleKey = "title";
+  static const contentKey = "content";
+  static const archivedFileNameKey = "archived_file_name";
+  static const asnKey = "archive_serial_number";
+  static const createdKey = "created";
+  static const modifiedKey = "modified";
+  static const addedKey = "added";
+  static const correspondentKey = "correspondent";
+  static const originalFileNameKey = 'original_file_name';
+  static const documentTypeKey = "document_type";
+  static const tagsKey = "tags";
+  static const storagePathKey = "storage_path";
+
+  final int id;
+  final String title;
+  final String? content;
+  final List<int> tags;
+  final int? documentType;
+  final int? correspondent;
+  final int? storagePath;
+  final DateTime created;
+  final DateTime modified;
+  final DateTime added;
+  final int? archiveSerialNumber;
+  final String originalFileName;
+  final String? archivedFileName;
+
+  const DocumentModel({
+    required this.id,
+    required this.title,
+    this.content,
+    this.tags = const <int>[],
+    required this.documentType,
+    required this.correspondent,
+    required this.created,
+    required this.modified,
+    required this.added,
+    this.archiveSerialNumber,
+    required this.originalFileName,
+    this.archivedFileName,
+    this.storagePath,
+  });
+
+  DocumentModel.fromJson(JSON json)
+      : id = json[idKey],
+        title = json[titleKey],
+        content = json[contentKey],
+        created = DateTime.parse(json[createdKey]),
+        modified = DateTime.parse(json[modifiedKey]),
+        added = DateTime.parse(json[addedKey]),
+        archiveSerialNumber = json[asnKey],
+        originalFileName = json[originalFileNameKey],
+        archivedFileName = json[archivedFileNameKey],
+        tags = (json[tagsKey] as List<dynamic>).cast<int>(),
+        correspondent = json[correspondentKey],
+        documentType = json[documentTypeKey],
+        storagePath = json[storagePathKey];
+
+  JSON toJson() {
+    return {
+      idKey: id,
+      titleKey: title,
+      asnKey: archiveSerialNumber,
+      archivedFileNameKey: archivedFileName,
+      contentKey: content,
+      correspondentKey: correspondent,
+      documentTypeKey: documentType,
+      createdKey: created.toUtc().toIso8601String(),
+      modifiedKey: modified.toUtc().toIso8601String(),
+      addedKey: added.toUtc().toIso8601String(),
+      originalFileNameKey: originalFileName,
+      tagsKey: tags,
+      storagePathKey: storagePath,
+    };
+  }
+
+  DocumentModel copyWith({
+    String? title,
+    String? content,
+    IdsQueryParameter? tags,
+    IdQueryParameter? documentType,
+    IdQueryParameter? correspondent,
+    IdQueryParameter? storagePath,
+    DateTime? created,
+    DateTime? modified,
+    DateTime? added,
+    int? archiveSerialNumber,
+    String? originalFileName,
+    String? archivedFileName,
+  }) {
+    return DocumentModel(
+      id: id,
+      title: title ?? this.title,
+      content: content ?? this.content,
+      documentType: fromQuery(documentType, this.documentType),
+      correspondent: fromQuery(correspondent, this.correspondent),
+      storagePath: fromQuery(storagePath, this.storagePath),
+      tags: fromListQuery(tags, this.tags),
+      created: created ?? this.created,
+      modified: modified ?? this.modified,
+      added: added ?? this.added,
+      originalFileName: originalFileName ?? this.originalFileName,
+      archiveSerialNumber: archiveSerialNumber ?? this.archiveSerialNumber,
+      archivedFileName: archivedFileName ?? this.archivedFileName,
+    );
+  }
+
+  int? fromQuery(IdQueryParameter? query, int? previous) {
+    if (query == null) {
+      return previous;
+    }
+    return query.id;
+  }
+
+  List<int> fromListQuery(IdsQueryParameter? query, List<int> previous) {
+    if (query == null) {
+      return previous;
+    }
+    return query.ids;
+  }
+
+  @override
+  List<Object?> get props => [
+        id,
+        title,
+        content,
+        tags,
+        documentType,
+        storagePath,
+        correspondent,
+        created,
+        modified,
+        added,
+        archiveSerialNumber,
+        originalFileName,
+        archivedFileName,
+        storagePath
+      ];
+}

lib/features/documents/model/document_filter.dart

@@ -0,0 +1,168 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/asn_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/correspondent_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/document_type_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_field.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/query_type.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_order.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/storage_path_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/tags_query.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class DocumentFilter with EquatableMixin {
+  static const DocumentFilter initial = DocumentFilter();
+
+  static const DocumentFilter latestDocument = DocumentFilter(
+    sortField: SortField.added,
+    sortOrder: SortOrder.descending,
+    pageSize: 1,
+    page: 1,
+  );
+
+  final int pageSize;
+  final int page;
+  final DocumentTypeQuery documentType;
+  final CorrespondentQuery correspondent;
+  final StoragePathQuery storagePath;
+  final AsnQuery asn;
+  final TagsQuery tags;
+  final SortField sortField;
+  final SortOrder sortOrder;
+  final DateTime? addedDateAfter;
+  final DateTime? addedDateBefore;
+  final DateTime? createdDateAfter;
+  final DateTime? createdDateBefore;
+  final QueryType queryType;
+  final String? queryText;
+
+  const DocumentFilter({
+    this.createdDateAfter,
+    this.createdDateBefore,
+    this.documentType = const DocumentTypeQuery.unset(),
+    this.correspondent = const CorrespondentQuery.unset(),
+    this.storagePath = const StoragePathQuery.unset(),
+    this.asn = const AsnQuery.unset(),
+    this.tags = const TagsQuery.unset(),
+    this.sortField = SortField.created,
+    this.sortOrder = SortOrder.descending,
+    this.page = 1,
+    this.pageSize = 25,
+    this.addedDateAfter,
+    this.addedDateBefore,
+    this.queryType = QueryType.titleAndContent,
+    this.queryText,
+  });
+
+  String toQueryString() {
+    final StringBuffer sb = StringBuffer("page=$page&page_size=$pageSize");
+    sb.write(documentType.toQueryParameter());
+    sb.write(correspondent.toQueryParameter());
+    sb.write(tags.toQueryParameter());
+    sb.write(storagePath.toQueryParameter());
+    sb.write(asn.toQueryParameter());
+
+    if (queryText?.isNotEmpty ?? false) {
+      sb.write("&${queryType.queryParam}=$queryText");
+    }
+
+    sb.write("&ordering=${sortOrder.queryString}${sortField.queryString}");
+
+    if (addedDateAfter != null) {
+      sb.write("&added__date__gt=${dateFormat.format(addedDateAfter!)}");
+    }
+
+    if (addedDateBefore != null) {
+      sb.write("&added__date__lt=${dateFormat.format(addedDateBefore!)}");
+    }
+
+    if (createdDateAfter != null) {
+      sb.write("&created__date__gt=${dateFormat.format(createdDateAfter!)}");
+    }
+
+    if (createdDateBefore != null) {
+      sb.write("&created__date__lt=${dateFormat.format(createdDateBefore!)}");
+    }
+
+    return sb.toString();
+  }
+
+  @override
+  String toString() {
+    return toQueryString();
+  }
+
+  DocumentFilter copyWith({
+    int? pageSize,
+    int? page,
+    bool? onlyNoDocumentType,
+    DocumentTypeQuery? documentType,
+    CorrespondentQuery? correspondent,
+    StoragePathQuery? storagePath,
+    TagsQuery? tags,
+    SortField? sortField,
+    SortOrder? sortOrder,
+    DateTime? addedDateAfter,
+    DateTime? addedDateBefore,
+    DateTime? createdDateBefore,
+    DateTime? createdDateAfter,
+    QueryType? queryType,
+    String? queryText,
+  }) {
+    return DocumentFilter(
+      pageSize: pageSize ?? this.pageSize,
+      page: page ?? this.page,
+      documentType: documentType ?? this.documentType,
+      correspondent: correspondent ?? this.correspondent,
+      storagePath: storagePath ?? this.storagePath,
+      tags: tags ?? this.tags,
+      sortField: sortField ?? this.sortField,
+      sortOrder: sortOrder ?? this.sortOrder,
+      addedDateAfter: addedDateAfter ?? this.addedDateAfter,
+      addedDateBefore: addedDateBefore ?? this.addedDateBefore,
+      queryType: queryType ?? this.queryType,
+      queryText: queryText ?? this.queryText,
+      createdDateBefore: createdDateBefore ?? this.createdDateBefore,
+      createdDateAfter: createdDateAfter ?? this.createdDateAfter,
+    );
+  }
+
+  String? get titleOnlyMatchString {
+    if (queryType == QueryType.title) {
+      return queryText?.isEmpty ?? true ? null : queryText;
+    }
+    return null;
+  }
+
+  String? get titleAndContentMatchString {
+    if (queryType == QueryType.titleAndContent) {
+      return queryText?.isEmpty ?? true ? null : queryText;
+    }
+    return null;
+  }
+
+  String? get extendedMatchString {
+    if (queryType == QueryType.extended) {
+      return queryText?.isEmpty ?? true ? null : queryText;
+    }
+    return null;
+  }
+
+  @override
+  List<Object?> get props => [
+        pageSize,
+        page,
+        documentType,
+        correspondent,
+        storagePath,
+        asn,
+        tags,
+        sortField,
+        sortOrder,
+        addedDateAfter,
+        addedDateBefore,
+        createdDateAfter,
+        createdDateBefore,
+        queryType,
+        queryText,
+      ];
+}

lib/features/documents/model/document_meta_data.model.dart

@@ -0,0 +1,40 @@
+class DocumentMetaData {
+  String originalChecksum;
+  int originalSize;
+  String originalMimeType;
+  String mediaFilename;
+  bool hasArchiveVersion;
+  String? archiveChecksum;
+  int? archiveSize;
+
+  DocumentMetaData({
+    required this.originalChecksum,
+    required this.originalSize,
+    required this.originalMimeType,
+    required this.mediaFilename,
+    required this.hasArchiveVersion,
+    this.archiveChecksum,
+    this.archiveSize,
+  });
+
+  DocumentMetaData.fromJson(Map<String, dynamic> json)
+      : originalChecksum = json['original_checksum'],
+        originalSize = json['original_size'],
+        originalMimeType = json['original_mime_type'],
+        mediaFilename = json['media_filename'],
+        hasArchiveVersion = json['has_archive_version'],
+        archiveChecksum = json['archive_checksum'],
+        archiveSize = json['archive_size'];
+
+  Map<String, dynamic> toJson() {
+    final data = <String, dynamic>{};
+    data['original_checksum'] = originalChecksum;
+    data['original_size'] = originalSize;
+    data['original_mime_type'] = originalMimeType;
+    data['media_filename'] = mediaFilename;
+    data['has_archive_version'] = hasArchiveVersion;
+    data['archive_checksum'] = archiveChecksum;
+    data['archive_size'] = archiveSize;
+    return data;
+  }
+}

lib/features/documents/model/filter_rule.model.dart

@@ -0,0 +1,166 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/correspondent_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/document_type_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/query_type.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/storage_path_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/tags_query.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class FilterRule with EquatableMixin {
+  static const int titleRule = 0;
+  static const int asnRule = 2;
+  static const int correspondentRule = 3;
+  static const int documentTypeRule = 4;
+  static const int tagRule = 6;
+  static const int createdBeforeRule = 8;
+  static const int createdAfterRule = 9;
+  static const int addedBeforeRule = 13;
+  static const int addedAfterRule = 14;
+  static const int titleAndContentRule = 19;
+  static const int extendedRule = 20;
+  static const int storagePathRule = 25;
+  // Currently unsupported view optiosn:
+  static const int _content = 1;
+  static const int _isInInbox = 5;
+  static const int _hasAnyTag = 7;
+  static const int _createdYearIs = 10;
+  static const int _createdMonthIs = 11;
+  static const int _createdDayIs = 12;
+  static const int _modifiedBefore = 15;
+  static const int _modifiedAfter = 16;
+  static const int _doesNotHaveTag = 17;
+  static const int _doesNotHaveAsn = 18;
+  static const int _moreLikeThis = 21;
+  static const int _hasTagsIn = 22;
+  static const int _asnGreaterThan = 23;
+  static const int _asnLessThan = 24;
+
+  final int ruleType;
+  final String? value;
+
+  FilterRule(this.ruleType, this.value);
+
+  FilterRule.fromJson(JSON json)
+      : ruleType = json['rule_type'],
+        value = json['value'];
+
+  JSON toJson() {
+    return {
+      'rule_type': ruleType,
+      'value': value,
+    };
+  }
+
+  DocumentFilter applyToFilter(final DocumentFilter filter) {
+    //TODO: Check in profiling mode if this is inefficient enough to cause stutters...
+    switch (ruleType) {
+      case titleRule:
+        return filter.copyWith(queryText: value, queryType: QueryType.title);
+      case documentTypeRule:
+        return filter.copyWith(
+          documentType: value == null
+              ? const DocumentTypeQuery.notAssigned()
+              : DocumentTypeQuery.fromId(int.parse(value!)),
+        );
+      case correspondentRule:
+        return filter.copyWith(
+          correspondent: value == null
+              ? const CorrespondentQuery.notAssigned()
+              : CorrespondentQuery.fromId(int.parse(value!)),
+        );
+      case storagePathRule:
+        return filter.copyWith(
+          storagePath: value == null
+              ? const StoragePathQuery.notAssigned()
+              : StoragePathQuery.fromId(int.parse(value!)),
+        );
+      case tagRule:
+        return filter.copyWith(
+          tags: value == null
+              ? const TagsQuery.notAssigned()
+              : TagsQuery.fromIds([...filter.tags.ids, int.parse(value!)]),
+        );
+      case createdBeforeRule:
+        return filter.copyWith(createdDateBefore: value == null ? null : DateTime.parse(value!));
+      case createdAfterRule:
+        return filter.copyWith(createdDateAfter: value == null ? null : DateTime.parse(value!));
+      case addedBeforeRule:
+        return filter.copyWith(addedDateBefore: value == null ? null : DateTime.parse(value!));
+      case addedAfterRule:
+        return filter.copyWith(addedDateAfter: value == null ? null : DateTime.parse(value!));
+      case titleAndContentRule:
+        return filter.copyWith(queryText: value, queryType: QueryType.titleAndContent);
+      case extendedRule:
+        return filter.copyWith(queryText: value, queryType: QueryType.extended);
+      //TODO: Add currently unused rules
+      default:
+        return filter;
+    }
+  }
+
+  ///
+  /// Converts a [DocumentFilter] to a list of [FilterRule]s.
+  ///
+  static List<FilterRule> fromFilter(final DocumentFilter filter) {
+    List<FilterRule> filterRules = [];
+    if (filter.correspondent.onlyNotAssigned) {
+      filterRules.add(FilterRule(correspondentRule, null));
+    }
+    if (filter.correspondent.isSet) {
+      filterRules.add(FilterRule(correspondentRule, filter.correspondent.id!.toString()));
+    }
+    if (filter.documentType.onlyNotAssigned) {
+      filterRules.add(FilterRule(documentTypeRule, null));
+    }
+    if (filter.documentType.isSet) {
+      filterRules.add(FilterRule(documentTypeRule, filter.documentType.id!.toString()));
+    }
+    if (filter.storagePath.onlyNotAssigned) {
+      filterRules.add(FilterRule(storagePathRule, null));
+    }
+    if (filter.storagePath.isSet) {
+      filterRules.add(FilterRule(storagePathRule, filter.storagePath.id!.toString()));
+    }
+    if (filter.tags.onlyNotAssigned) {
+      filterRules.add(FilterRule(tagRule, null));
+    }
+    if (filter.tags.isSet) {
+      filterRules.addAll(filter.tags.ids.map((id) => FilterRule(tagRule, id.toString())));
+    }
+
+    if (filter.queryText != null) {
+      switch (filter.queryType) {
+        case QueryType.title:
+          filterRules.add(FilterRule(titleRule, filter.queryText!));
+          break;
+        case QueryType.titleAndContent:
+          filterRules.add(FilterRule(titleAndContentRule, filter.queryText!));
+          break;
+        case QueryType.extended:
+          filterRules.add(FilterRule(extendedRule, filter.queryText!));
+          break;
+        case QueryType.asn:
+          filterRules.add(FilterRule(asnRule, filter.queryText!));
+          break;
+      }
+    }
+    if (filter.createdDateAfter != null) {
+      filterRules.add(FilterRule(createdAfterRule, dateFormat.format(filter.createdDateAfter!)));
+    }
+    if (filter.createdDateBefore != null) {
+      filterRules.add(FilterRule(createdBeforeRule, dateFormat.format(filter.createdDateBefore!)));
+    }
+    if (filter.addedDateAfter != null) {
+      filterRules.add(FilterRule(addedAfterRule, dateFormat.format(filter.addedDateAfter!)));
+    }
+    if (filter.addedDateBefore != null) {
+      filterRules.add(FilterRule(addedBeforeRule, dateFormat.format(filter.addedDateBefore!)));
+    }
+    return filterRules;
+  }
+
+  @override
+  List<Object?> get props => [ruleType, value];
+}

lib/features/documents/model/paged_search_result.dart

@@ -0,0 +1,84 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+
+const pageRegex = r".*page=(\d+).*";
+
+class PagedSearchResult<T> extends Equatable {
+  /// Total number of available items
+  final int count;
+
+  /// Link to next page
+  final String? next;
+
+  /// Link to previous page
+  final String? previous;
+
+  /// Actual items
+  final List<T> results;
+
+  int get pageKey {
+    if (next != null) {
+      final matches = RegExp(pageRegex).allMatches(next!);
+      final group = matches.first.group(1)!;
+      final nextPageKey = int.parse(group);
+      return nextPageKey - 1;
+    }
+    if (previous != null) {
+      // This is only executed if it's the last page or there is no data.
+      final matches = RegExp(pageRegex).allMatches(previous!);
+      if (matches.isEmpty) {
+        //In case there is a match but a page is not explicitly set, the page is 1 per default. Therefore, if the previous page is 1, this page is 1+1=2
+        return 2;
+      }
+      final group = matches.first.group(1)!;
+      final previousPageKey = int.parse(group);
+      return previousPageKey + 1;
+    }
+    return 1;
+  }
+
+  const PagedSearchResult({
+    required this.count,
+    required this.next,
+    required this.previous,
+    required this.results,
+  });
+
+  factory PagedSearchResult.fromJson(Map<dynamic, dynamic> json, T Function(JSON) fromJson) {
+    return PagedSearchResult(
+      count: json['count'],
+      next: json['next'],
+      previous: json['previous'],
+      results: List<JSON>.from(json['results']).map<T>(fromJson).toList(),
+    );
+  }
+
+  PagedSearchResult copyWith({
+    int? count,
+    String? next,
+    String? previous,
+    List<DocumentModel>? results,
+  }) {
+    return PagedSearchResult(
+      count: count ?? this.count,
+      next: next ?? this.next,
+      previous: previous ?? this.previous,
+      results: results ?? this.results,
+    );
+  }
+
+  ///
+  /// Returns the number of pages based on the given [pageSize]. The last page
+  /// might not exhaust its capacity.
+  ///
+  int inferPageCount({required int pageSize}) {
+    if (pageSize == 0) {
+      return 0;
+    }
+    return (count / pageSize).round() + 1;
+  }
+
+  @override
+  List<Object?> get props => [count, next, previous, results];
+}

lib/features/documents/model/query_parameters/asn_query.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/id_query_parameter.dart';
+
+class AsnQuery extends IdQueryParameter {
+  const AsnQuery.fromId(super.id) : super.fromId();
+  const AsnQuery.unset() : super.unset();
+  const AsnQuery.notAssigned() : super.notAssigned();
+
+  @override
+  String get queryParameterKey => 'archive_serial_number';
+}

lib/features/documents/model/query_parameters/correspondent_query.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/id_query_parameter.dart';
+
+class CorrespondentQuery extends IdQueryParameter {
+  const CorrespondentQuery.fromId(super.id) : super.fromId();
+  const CorrespondentQuery.unset() : super.unset();
+  const CorrespondentQuery.notAssigned() : super.notAssigned();
+
+  @override
+  String get queryParameterKey => 'correspondent';
+}

lib/features/documents/model/query_parameters/document_type_query.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/id_query_parameter.dart';
+
+class DocumentTypeQuery extends IdQueryParameter {
+  const DocumentTypeQuery.fromId(super.id) : super.fromId();
+  const DocumentTypeQuery.unset() : super.unset();
+  const DocumentTypeQuery.notAssigned() : super.notAssigned();
+
+  @override
+  String get queryParameterKey => 'document_type';
+}

lib/features/documents/model/query_parameters/id_query_parameter.dart

@@ -0,0 +1,39 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter/widgets.dart';
+
+abstract class IdQueryParameter extends Equatable {
+  final bool _onlyNotAssigned;
+  final int? _id;
+
+  const IdQueryParameter.notAssigned()
+      : _onlyNotAssigned = true,
+        _id = null;
+
+  const IdQueryParameter.fromId(int? id)
+      : _onlyNotAssigned = false,
+        _id = id;
+
+  const IdQueryParameter.unset() : this.fromId(null);
+
+  bool get isUnset => _id == null && _onlyNotAssigned == false;
+
+  bool get isSet => _id != null && _onlyNotAssigned == false;
+
+  bool get onlyNotAssigned => _onlyNotAssigned;
+
+  int? get id => _id;
+
+  @protected
+  String get queryParameterKey;
+
+  String toQueryParameter() {
+    if (onlyNotAssigned) {
+      return "&${queryParameterKey}__isnull=1";
+    }
+
+    return isUnset ? "" : "&${queryParameterKey}__id=$id";
+  }
+
+  @override
+  List<Object?> get props => [_onlyNotAssigned, _id];
+}

lib/features/documents/model/query_parameters/ids_query_parameter.dart

@@ -0,0 +1,29 @@
+import 'package:equatable/equatable.dart';
+
+abstract class IdsQueryParameter with EquatableMixin {
+  final List<int> _ids;
+  final bool onlyNotAssigned;
+
+  const IdsQueryParameter.fromIds(List<int> ids)
+      : onlyNotAssigned = false,
+        _ids = ids;
+
+  const IdsQueryParameter.notAssigned()
+      : onlyNotAssigned = true,
+        _ids = const [];
+
+  const IdsQueryParameter.unset()
+      : onlyNotAssigned = false,
+        _ids = const [];
+
+  bool get isUnset => _ids.isEmpty && onlyNotAssigned == false;
+
+  bool get isSet => _ids.isNotEmpty && onlyNotAssigned == false;
+
+  List<int> get ids => _ids;
+
+  String toQueryParameter();
+
+  @override
+  List<Object?> get props => [onlyNotAssigned, _ids];
+}

lib/features/documents/model/query_parameters/query_type.dart

@@ -0,0 +1,9 @@
+enum QueryType {
+  title('title__icontains'),
+  titleAndContent('title_content'),
+  extended('query'),
+  asn('asn');
+
+  final String queryParam;
+  const QueryType(this.queryParam);
+}

lib/features/documents/model/query_parameters/sort_field.dart

@@ -0,0 +1,18 @@
+enum SortField {
+  archiveSerialNumber("archive_serial_number"),
+  correspondentName("correspondent__name"),
+  title("title"),
+  documentType("documentType"),
+  created("created"),
+  added("added"),
+  modified("modified");
+
+  final String queryString;
+
+  const SortField(this.queryString);
+
+  @override
+  String toString() {
+    return name.toLowerCase();
+  }
+}

lib/features/documents/model/query_parameters/sort_order.dart

@@ -0,0 +1,11 @@
+enum SortOrder {
+  ascending(""),
+  descending("-");
+
+  final String queryString;
+  const SortOrder(this.queryString);
+
+  SortOrder toggle() {
+    return this == ascending ? descending : ascending;
+  }
+}

lib/features/documents/model/query_parameters/storage_path_query.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/id_query_parameter.dart';
+
+class StoragePathQuery extends IdQueryParameter {
+  const StoragePathQuery.fromId(super.id) : super.fromId();
+  const StoragePathQuery.unset() : super.unset();
+  const StoragePathQuery.notAssigned() : super.notAssigned();
+
+  @override
+  String get queryParameterKey => 'storage_path';
+}

lib/features/documents/model/query_parameters/tags_query.dart

@@ -0,0 +1,15 @@
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/ids_query_parameter.dart';
+
+class TagsQuery extends IdsQueryParameter {
+  const TagsQuery.fromIds(super.ids) : super.fromIds();
+  const TagsQuery.unset() : super.unset();
+  const TagsQuery.notAssigned() : super.notAssigned();
+
+  @override
+  String toQueryParameter() {
+    if (onlyNotAssigned) {
+      return '&is_tagged=false';
+    }
+    return isUnset ? "" : '&tags__id__all=${ids.join(',')}';
+  }
+}

lib/features/documents/model/saved_view.model.dart

@@ -0,0 +1,88 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/filter_rule.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_field.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_order.dart';
+
+class SavedView with EquatableMixin {
+  final int? id;
+  final String name;
+
+  final bool showOnDashboard;
+  final bool showInSidebar;
+
+  final SortField sortField;
+  final bool sortReverse;
+  final List<FilterRule> filterRules;
+
+  SavedView({
+    this.id,
+    required this.name,
+    required this.showOnDashboard,
+    required this.showInSidebar,
+    required this.sortField,
+    required this.sortReverse,
+    required this.filterRules,
+  }) {
+    filterRules.sort(
+      (a, b) => (a.ruleType.compareTo(b.ruleType) != 0
+          ? a.ruleType.compareTo(b.ruleType)
+          : a.value?.compareTo(b.value ?? "") ?? -1),
+    );
+  }
+
+  @override
+  List<Object?> get props =>
+      [name, showOnDashboard, showInSidebar, sortField, sortReverse, filterRules];
+
+  SavedView.fromJson(JSON json)
+      : this(
+          id: json['id'],
+          name: json['name'],
+          showOnDashboard: json['show_on_dashboard'],
+          showInSidebar: json['show_in_sidebar'],
+          sortField:
+              SortField.values.where((order) => order.queryString == json['sort_field']).first,
+          sortReverse: json['sort_reverse'],
+          filterRules:
+              json['filter_rules'].cast<JSON>().map<FilterRule>(FilterRule.fromJson).toList(),
+        );
+
+  DocumentFilter toDocumentFilter() {
+    return filterRules.fold(
+      DocumentFilter(
+        sortOrder: sortReverse ? SortOrder.ascending : SortOrder.descending,
+        sortField: sortField,
+      ),
+      (filter, filterRule) => filterRule.applyToFilter(filter),
+    );
+  }
+
+  SavedView.fromDocumentFilter(
+    DocumentFilter filter, {
+    required String name,
+    required bool showInSidebar,
+    required bool showOnDashboard,
+  }) : this(
+          id: null,
+          name: name,
+          filterRules: FilterRule.fromFilter(filter),
+          sortField: filter.sortField,
+          showInSidebar: showInSidebar,
+          showOnDashboard: showOnDashboard,
+          sortReverse: filter.sortOrder == SortOrder.ascending,
+        );
+
+  JSON toJson() {
+    return {
+      'id': id,
+      'name': name,
+      'show_on_dashboard': showOnDashboard,
+      'show_in_sidebar': showInSidebar,
+      'sort_reverse': sortReverse,
+      'sort_field': sortField.queryString,
+      'filter_rules': filterRules.map((rule) => rule.toJson()).toList(),
+    };
+  }
+}

lib/features/documents/model/similar_document.model.dart

@@ -0,0 +1,59 @@
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+
+class SimilarDocumentModel extends DocumentModel {
+  final SearchHit searchHit;
+
+  const SimilarDocumentModel({
+    required super.id,
+    required super.title,
+    required super.documentType,
+    required super.correspondent,
+    required super.created,
+    required super.modified,
+    required super.added,
+    required super.originalFileName,
+    required this.searchHit,
+    super.archiveSerialNumber,
+    super.archivedFileName,
+    super.content,
+    super.storagePath,
+    super.tags,
+  });
+
+  @override
+  JSON toJson() {
+    final json = super.toJson();
+    json['__search_hit__'] = searchHit.toJson();
+    return json;
+  }
+
+  SimilarDocumentModel.fromJson(JSON json)
+      : searchHit = SearchHit.fromJson(json),
+        super.fromJson(json);
+}
+
+class SearchHit {
+  final double? score;
+  final String? highlights;
+  final int? rank;
+
+  SearchHit({
+    this.score,
+    required this.highlights,
+    required this.rank,
+  });
+
+  JSON toJson() {
+    return {
+      'score': score,
+      'highlights': highlights,
+      'rank': rank,
+    };
+  }
+
+  SearchHit.fromJson(JSON json)
+      : score = json['score'],
+        highlights = json['highlights'],
+        rank = json['rank'];
+}

lib/features/documents/repository/document_repository.dart

@@ -0,0 +1,33 @@
+import 'dart:typed_data';
+
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_meta_data.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/paged_search_result.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/similar_document.model.dart';
+
+abstract class DocumentRepository {
+  Future<void> create(
+    Uint8List documentBytes,
+    String filename, {
+    required String title,
+    int? documentType,
+    int? correspondent,
+    List<int>? tags,
+    DateTime? createdAt,
+  });
+  Future<DocumentModel> update(DocumentModel doc);
+  Future<int> findNextAsn();
+  Future<PagedSearchResult> find(DocumentFilter filter);
+  Future<List<SimilarDocumentModel>> findSimilar(int docId);
+  Future<int> delete(DocumentModel doc);
+  Future<DocumentMetaData> getMetaData(DocumentModel document);
+  Future<List<int>> bulkDelete(List<DocumentModel> models);
+  Future<Uint8List> getPreview(int docId);
+  String getThumbnailUrl(int docId);
+  Future<DocumentModel> waitForConsumptionFinished(String filename, String title);
+  Future<Uint8List> download(DocumentModel document);
+
+  Future<List<String>> autocomplete(String query, [int limit = 10]);
+}

lib/features/documents/repository/document_repository_impl.dart

@@ -0,0 +1,275 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'dart:math';
+import 'dart:typed_data';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/store/local_vault.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/core/util.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/extensions/dart_extensions.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/bulk_edit.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_meta_data.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/paged_search_result.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_field.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_order.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/similar_document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+import 'package:http/http.dart';
+import 'package:http/src/boundary_characters.dart'; //TODO: remove once there is either a paperless API update or there is a better solution...
+import 'package:injectable/injectable.dart';
+
+@Injectable(as: DocumentRepository)
+class DocumentRepositoryImpl implements DocumentRepository {
+  ////
+  //final StatusService statusService;
+  final LocalVault localStorage;
+  final BaseClient httpClient;
+
+  DocumentRepositoryImpl(
+    //this.statusService,
+    this.localStorage,
+    @Named("timeoutClient") this.httpClient,
+  );
+  @override
+  Future<void> create(
+    Uint8List documentBytes,
+    String filename, {
+    required String title,
+    int? documentType,
+    int? correspondent,
+    List<int>? tags,
+    DateTime? createdAt,
+  }) async {
+    final auth = await localStorage.loadAuthenticationInformation();
+
+    if (auth == null) {
+      throw const ErrorMessage(ErrorCode.notAuthenticated);
+    }
+
+    // The multipart request has to be generated from scratch as the http library does
+    // not allow the same key (tags) to be added multiple times. However, this is what the
+    // paperless api expects, i.e. one block for each tag.
+    final request = await getIt<HttpClient>().postUrl(
+      Uri.parse("${auth.serverUrl}/api/documents/post_document/"),
+    );
+
+    final boundary = _boundaryString();
+
+    StringBuffer bodyBuffer = StringBuffer();
+
+    var fields = <String, String>{};
+
+    fields.tryPutIfAbsent('title', () => title);
+    fields.tryPutIfAbsent('created', () => formatDateNullable(createdAt));
+    fields.tryPutIfAbsent(
+        'correspondent', () => correspondent == null ? null : json.encode(correspondent));
+    fields.tryPutIfAbsent(
+        'document_type', () => documentType == null ? null : json.encode(documentType));
+
+    for (final key in fields.keys) {
+      bodyBuffer.write(_buildMultipartField(key, fields[key]!, boundary));
+    }
+
+    for (final tag in tags ?? <int>[]) {
+      bodyBuffer.write(_buildMultipartField('tags', tag.toString(), boundary));
+    }
+
+    bodyBuffer.write("--$boundary"
+        '\r\nContent-Disposition: form-data; name="document"; filename="$filename"'
+        "\r\nContent-type: application/octet-stream"
+        "\r\n\r\n");
+
+    final closing = "\r\n--" + boundary + "--\r\n";
+
+    // Set headers
+    request.headers.set(HttpHeaders.contentTypeHeader, "multipart/form-data; boundary=" + boundary);
+    request.headers.set(HttpHeaders.contentLengthHeader,
+        "${bodyBuffer.length + closing.length + documentBytes.lengthInBytes}");
+    request.headers.set(HttpHeaders.authorizationHeader, "Token ${auth.token}");
+
+    //Write fields to request
+    request.write(bodyBuffer.toString());
+    //Stream file
+    await request.addStream(Stream.fromIterable(documentBytes.map((e) => [e])));
+    // Write closing boundary to request
+    request.write(closing);
+
+    final response = await request.close();
+
+    if (response.statusCode != 200) {
+      throw ErrorMessage(ErrorCode.documentUploadFailed, httpStatusCode: response.statusCode);
+    }
+  }
+
+  String _buildMultipartField(String fieldName, String value, String boundary) {
+    return '--$boundary'
+            '\r\nContent-Disposition: form-data; name="$fieldName"'
+            '\r\nContent-type: text/plain'
+            '\r\n\r\n' +
+        value +
+        '\r\n';
+  }
+
+  String _boundaryString() {
+    Random _random = Random();
+    var prefix = 'dart-http-boundary-';
+    var list = List<int>.generate(70 - prefix.length,
+        (index) => boundaryCharacters[_random.nextInt(boundaryCharacters.length)],
+        growable: false);
+    return '$prefix${String.fromCharCodes(list)}';
+  }
+
+  @override
+  Future<DocumentModel> update(DocumentModel doc) async {
+    final response = await httpClient.put(Uri.parse("/api/documents/${doc.id}/"),
+        body: json.encode(doc.toJson()),
+        headers: {"Content-Type": "application/json"}).timeout(requestTimeout);
+    if (response.statusCode == 200) {
+      return DocumentModel.fromJson(jsonDecode(response.body));
+    } else {
+      throw const ErrorMessage(ErrorCode.documentUpdateFailed);
+    }
+  }
+
+  @override
+  Future<PagedSearchResult<DocumentModel>> find(DocumentFilter filter) async {
+    final filterParams = filter.toQueryString();
+    final response = await httpClient.get(
+      Uri.parse("/api/documents/?$filterParams"),
+    );
+    if (response.statusCode == 200) {
+      final searchResult = PagedSearchResult.fromJson(
+        jsonDecode(const Utf8Decoder().convert(response.body.codeUnits)),
+        DocumentModel.fromJson,
+      );
+      return searchResult;
+    } else {
+      throw const ErrorMessage(ErrorCode.documentLoadFailed);
+    }
+  }
+
+  @override
+  Future<int> delete(DocumentModel doc) async {
+    final response = await httpClient.delete(Uri.parse("/api/documents/${doc.id}/"));
+
+    if (response.statusCode == 204) {
+      return Future.value(doc.id);
+    }
+    throw const ErrorMessage(ErrorCode.documentDeleteFailed);
+  }
+
+  @override
+  String getThumbnailUrl(int documentId) {
+    return "/api/documents/$documentId/thumb/";
+  }
+
+  String getPreviewUrl(int documentId) {
+    return "/api/documents/$documentId/preview/";
+  }
+
+  @override
+  Future<Uint8List> getPreview(int documentId) async {
+    final response = await httpClient.get(Uri.parse(getPreviewUrl(documentId)));
+    if (response.statusCode == 200) {
+      return response.bodyBytes;
+    }
+    throw const ErrorMessage(ErrorCode.documentPreviewFailed);
+  }
+
+  @override
+  Future<int> findNextAsn() async {
+    const DocumentFilter asnQueryFilter = DocumentFilter(
+      sortField: SortField.archiveSerialNumber,
+      sortOrder: SortOrder.descending,
+      page: 1,
+      pageSize: 1,
+    );
+    try {
+      final result = await find(asnQueryFilter);
+      return result.results
+              .map((e) => e.archiveSerialNumber)
+              .firstWhere((asn) => asn != null, orElse: () => 0)! +
+          1;
+    } on ErrorMessage catch (_) {
+      throw const ErrorMessage(ErrorCode.documentAsnQueryFailed);
+    }
+  }
+
+  @override
+  Future<List<int>> bulkDelete(List<DocumentModel> documentModels) async {
+    final List<int> ids = documentModels.map((e) => e.id).toList();
+    final action = BulkEditAction.delete(ids);
+    final response = await httpClient.post(
+      Uri.parse("/api/documents/bulk_edit/"),
+      body: json.encode(action.toJson()),
+      headers: {'Content-Type': 'application/json'},
+    );
+    if (response.statusCode == 200) {
+      return ids;
+    } else {
+      throw const ErrorMessage(ErrorCode.documentBulkDeleteFailed);
+    }
+  }
+
+  @override
+  Future<DocumentModel> waitForConsumptionFinished(String fileName, String title) async {
+    // Always wait 5 seconds, processing usually takes longer...
+    //await Future.delayed(const Duration(seconds: 5));
+    PagedSearchResult<DocumentModel> results = await find(DocumentFilter.latestDocument);
+
+    while ((results.results.isEmpty ||
+        (results.results[0].originalFileName != fileName && results.results[0].title != title))) {
+      //TODO: maybe implement more intelligent retry logic or find workaround for websocket authentication...
+      await Future.delayed(const Duration(seconds: 2));
+      results = await find(DocumentFilter.latestDocument);
+    }
+    try {
+      return results.results.first;
+    } on StateError {
+      throw const ErrorMessage(ErrorCode.documentUploadFailed);
+    }
+  }
+
+  @override
+  Future<Uint8List> download(DocumentModel document) async {
+    //TODO: Check if this works...
+    final response = await httpClient.get(Uri.parse("/api/documents/${document.id}/download/"));
+    return response.bodyBytes;
+  }
+
+  @override
+  Future<DocumentMetaData> getMetaData(DocumentModel document) async {
+    final response = await httpClient.get(Uri.parse("/api/documents/${document.id}/metadata/"));
+    return DocumentMetaData.fromJson(jsonDecode(response.body));
+  }
+
+  @override
+  Future<List<String>> autocomplete(String query, [int limit = 10]) async {
+    final response =
+        await httpClient.get(Uri.parse("/api/search/autocomplete/?query=$query&limit=$limit}"));
+    if (response.statusCode == 200) {
+      return json.decode(response.body) as List<String>;
+    }
+    throw const ErrorMessage(ErrorCode.autocompleteQueryError);
+  }
+
+  @override
+  Future<List<SimilarDocumentModel>> findSimilar(int docId) async {
+    final response =
+        await httpClient.get(Uri.parse("/api/documents/?more_like=$docId&pageSize=10"));
+    if (response.statusCode == 200) {
+      return PagedSearchResult<SimilarDocumentModel>.fromJson(
+        json.decode(response.body),
+        SimilarDocumentModel.fromJson,
+      ).results;
+    }
+    throw const ErrorMessage(ErrorCode.similarQueryError);
+  }
+}

lib/features/documents/repository/saved_views_repository.dart

@@ -0,0 +1,53 @@
+import 'dart:convert';
+
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/util.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:http/http.dart';
+import 'package:injectable/injectable.dart';
+
+abstract class SavedViewsRepository {
+  Future<List<SavedView>> getAll();
+
+  Future<SavedView> save(SavedView view);
+  Future<int> delete(SavedView view);
+}
+
+@Injectable(as: SavedViewsRepository)
+class SavedViewRepositoryImpl implements SavedViewsRepository {
+  final BaseClient httpClient;
+
+  SavedViewRepositoryImpl(@Named("timeoutClient") this.httpClient);
+
+  @override
+  Future<List<SavedView>> getAll() {
+    return getCollection(
+      "/api/saved_views/",
+      SavedView.fromJson,
+      ErrorCode.loadSavedViewsError,
+    );
+  }
+
+  @override
+  Future<SavedView> save(SavedView view) async {
+    final response = await httpClient.post(
+      Uri.parse("/api/saved_views/"),
+      body: jsonEncode(view.toJson()),
+      headers: {'Content-Type': 'application/json'},
+    );
+    if (response.statusCode == 201) {
+      return SavedView.fromJson(jsonDecode(response.body));
+    }
+    throw ErrorMessage(ErrorCode.createSavedViewError, httpStatusCode: response.statusCode);
+  }
+
+  @override
+  Future<int> delete(SavedView view) async {
+    final response = await httpClient.delete(Uri.parse("/api/saved_views/${view.id}/"));
+    if (response.statusCode == 204) {
+      return view.id!;
+    }
+    throw ErrorMessage(ErrorCode.deleteSavedViewError, httpStatusCode: response.statusCode);
+  }
+}

lib/features/documents/view/pages/document_details_page.dart

@@ -0,0 +1,418 @@
+import 'dart:io';
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/bloc/label_bloc_provider.dart';
+import 'package:flutter_paperless_mobile/core/logic/error_code_localization_mapper.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/widgets/highlighted_text.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_meta_data.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/pages/document_edit_page.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/pages/document_view.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/delete_document_confirmation_dialog.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/document_preview.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/view/widgets/correspondent_widget.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/view/widgets/document_type_widget.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/view/widgets/storage_path_widget.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/view/widgets/tags_widget.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+import 'package:intl/intl.dart';
+import 'package:path_provider/path_provider.dart';
+
+class DocumentDetailsPage extends StatefulWidget {
+  final int documentId;
+  const DocumentDetailsPage({
+    Key? key,
+    required this.documentId,
+  }) : super(key: key);
+
+  @override
+  State<DocumentDetailsPage> createState() => _DocumentDetailsPageState();
+}
+
+class _DocumentDetailsPageState extends State<DocumentDetailsPage> {
+  static final DateFormat _detailedDateFormat = DateFormat("MMM d, yyyy HH:mm:ss");
+
+  bool _isDownloadPending = false;
+  bool _isAssignAsnPending = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocBuilder<DocumentsCubit, DocumentsState>(
+      // buildWhen required because rebuild would happen after delete causing error.
+      buildWhen: (previous, current) {
+        return current.documents.where((element) => element.id == widget.documentId).isNotEmpty;
+      },
+      builder: (context, state) {
+        final document = state.documents.where((doc) => doc.id == widget.documentId).first;
+        return SafeArea(
+          bottom: true,
+          child: DefaultTabController(
+            length: 3,
+            child: Scaffold(
+              floatingActionButtonLocation: FloatingActionButtonLocation.endDocked,
+              floatingActionButton: FloatingActionButton(
+                child: const Icon(Icons.edit),
+                onPressed: () => _onEdit(document),
+              ),
+              bottomNavigationBar: BottomAppBar(
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.start,
+                  children: [
+                    IconButton(
+                      icon: const Icon(Icons.delete),
+                      onPressed: () => _onDelete(document),
+                    ).padded(const EdgeInsets.symmetric(horizontal: 8.0)),
+                    IconButton(
+                      icon: const Icon(Icons.download),
+                      onPressed: null, //() => _onDownload(document), //TODO: FIX
+                    ),
+                    IconButton(
+                      icon: const Icon(Icons.open_in_new),
+                      onPressed: () => _onOpen(document),
+                    ).padded(const EdgeInsets.symmetric(horizontal: 8.0)),
+                  ],
+                ),
+              ),
+              body: NestedScrollView(
+                headerSliverBuilder: (context, innerBoxIsScrolled) => [
+                  SliverAppBar(
+                    leading: IconButton(
+                      icon: const Icon(
+                        Icons.arrow_back,
+                        color: Colors
+                            .black, //TODO: check if there is a way to dynamically determine color...
+                      ),
+                      onPressed: () => Navigator.pop(context),
+                    ),
+                    floating: true,
+                    pinned: true,
+                    expandedHeight: 200.0,
+                    flexibleSpace: DocumentPreview(
+                      id: document.id,
+                      fit: BoxFit.cover,
+                    ),
+                    bottom: ColoredTabBar(
+                      backgroundColor: Theme.of(context).colorScheme.primaryContainer,
+                      tabBar: TabBar(
+                        tabs: [
+                          Tab(
+                            child: Text(
+                              S.of(context).documentDetailsPageTabOverviewLabel,
+                              style: TextStyle(
+                                  color: Theme.of(context).colorScheme.onPrimaryContainer),
+                            ),
+                          ),
+                          Tab(
+                            child: Text(
+                              S.of(context).documentDetailsPageTabContentLabel,
+                              style: TextStyle(
+                                  color: Theme.of(context).colorScheme.onPrimaryContainer),
+                            ),
+                          ),
+                          Tab(
+                            child: Text(
+                              S.of(context).documentDetailsPageTabMetaDataLabel,
+                              style: TextStyle(
+                                  color: Theme.of(context).colorScheme.onPrimaryContainer),
+                            ),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
+                ],
+                body: TabBarView(
+                  children: [
+                    _buildDocumentOverview(document, state.filter.titleAndContentMatchString),
+                    _buildDocumentContentView(document, state.filter.titleAndContentMatchString),
+                    _buildDocumentMetaDataView(document),
+                  ].padded(),
+                ),
+              ),
+            ),
+          ),
+        );
+      },
+    );
+  }
+
+  Widget _buildDocumentMetaDataView(DocumentModel document) {
+    return FutureBuilder<DocumentMetaData>(
+      future: getIt<DocumentRepository>().getMetaData(document),
+      builder: (context, snapshot) {
+        if (!snapshot.hasData) {
+          return const Center(child: CircularProgressIndicator());
+        }
+        final meta = snapshot.data!;
+        return ListView(
+          children: [
+            _DetailsItem.text(_detailedDateFormat.format(document.modified),
+                label: S.of(context).documentModifiedPropertyLabel, context: context),
+            _separator(),
+            _DetailsItem.text(_detailedDateFormat.format(document.added),
+                label: S.of(context).documentAddedPropertyLabel, context: context),
+            _separator(),
+            _DetailsItem(
+              label: S.of(context).documentArchiveSerialNumberPropertyLongLabel,
+              content: document.archiveSerialNumber != null
+                  ? Text(document.archiveSerialNumber.toString())
+                  : OutlinedButton(
+                      child: Text(S.of(context).documentDetailsPageAssignAsnButtonLabel),
+                      onPressed: () => BlocProvider.of<DocumentsCubit>(context).assignAsn(document),
+                    ),
+            ),
+            _separator(),
+            _DetailsItem.text(
+              meta.mediaFilename,
+              context: context,
+              label: S.of(context).documentMetaDataMediaFilenamePropertyLabel,
+            ),
+            _separator(),
+            _DetailsItem.text(
+              meta.originalChecksum,
+              context: context,
+              label: S.of(context).documentMetaDataChecksumLabel,
+            ),
+            _separator(),
+            _DetailsItem.text(formatBytes(meta.originalSize, 2),
+                label: S.of(context).documentMetaDataOriginalFileSizeLabel, context: context),
+            _separator(),
+            _DetailsItem.text(
+              meta.originalMimeType,
+              label: S.of(context).documentMetaDataOriginalMimeTypeLabel,
+              context: context,
+            ),
+            _separator(),
+          ],
+        );
+      },
+    );
+  }
+
+  Widget _buildDocumentContentView(DocumentModel document, String? match) {
+    return SingleChildScrollView(
+      child: _DetailsItem(
+        content: HighlightedText(
+          text: document.content ?? "",
+          highlights: match == null ? [] : match.split(" "),
+          style: Theme.of(context).textTheme.bodyText2,
+          caseSensitive: false,
+        ),
+        label: S.of(context).documentDetailsPageTabContentLabel,
+      ),
+    );
+  }
+
+  Widget _buildDocumentOverview(DocumentModel document, String? match) {
+    return ListView(
+      children: [
+        _DetailsItem(
+          content: HighlightedText(
+            text: document.title,
+            highlights: match?.split(" ") ?? <String>[],
+          ),
+          label: S.of(context).documentTitlePropertyLabel,
+        ),
+        _separator(),
+        _DetailsItem.text(
+          DateFormat.yMMMd(Localizations.localeOf(context).toLanguageTag())
+              .format(document.created),
+          context: context,
+          label: S.of(context).documentCreatedPropertyLabel,
+        ),
+        _separator(),
+        _DetailsItem(
+          content: DocumentTypeWidget(
+            documentTypeId: document.documentType,
+            afterSelected: () {
+              Navigator.pop(context);
+            },
+          ),
+          label: S.of(context).documentDocumentTypePropertyLabel,
+        ),
+        _separator(),
+        _DetailsItem(
+          label: S.of(context).documentCorrespondentPropertyLabel,
+          content: CorrespondentWidget(
+            correspondentId: document.correspondent,
+            afterSelected: () {
+              Navigator.pop(context);
+            },
+          ),
+        ),
+        _separator(),
+        _DetailsItem(
+          label: S.of(context).documentStoragePathPropertyLabel,
+          content: StoragePathWidget(
+            pathId: document.storagePath,
+            afterSelected: () {
+              Navigator.pop(context);
+            },
+          ),
+        ),
+        _separator(),
+        _DetailsItem(
+          label: S.of(context).documentTagsPropertyLabel,
+          content: Padding(
+            padding: const EdgeInsets.only(top: 8.0),
+            child: TagsWidget(
+              tagIds: document.tags,
+            ),
+          ),
+        ),
+        // _separator(),
+        // FutureBuilder<List<SimilarDocumentModel>>(
+        //     future: getIt<DocumentRepository>().findSimilar(document.id),
+        //     builder: (context, snapshot) {
+        //       if (!snapshot.hasData) {
+        //         return CircularProgressIndicator();
+        //       }
+        //       return ExpansionTile(
+        //         tilePadding: const EdgeInsets.symmetric(horizontal: 8.0),
+        //         title: Text(
+        //           S.of(context).documentDetailsPageSimilarDocumentsLabel,
+        //           style:
+        //               Theme.of(context).textTheme.headline5?.copyWith(fontWeight: FontWeight.bold),
+        //         ),
+        //         children: snapshot.data!
+        //             .map((e) => DocumentListItem(
+        //                 document: e,
+        //                 onTap: (doc) {},
+        //                 isSelected: false,
+        //                 isAtLeastOneSelected: false))
+        //             .toList(),
+        //       );
+        //     }),
+      ],
+    );
+  }
+
+  Widget _separator() {
+    return const SizedBox(height: 32.0);
+  }
+
+  void _onEdit(DocumentModel document) {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (_) => LabelBlocProvider(
+          child: DocumentEditPage(document: document),
+        ),
+        maintainState: true,
+      ),
+    );
+  }
+
+  Future<void> _onDownload(DocumentModel document) async {
+    setState(() {
+      _isDownloadPending = true;
+    });
+    getIt<DocumentRepository>().download(document).then((bytes) async {
+      //FIXME: logic currently flawed, some error somewhere but cannot look into directory...
+      final dir = await getApplicationDocumentsDirectory();
+      final dirPath = dir.path + "/files/";
+      var filePath = dirPath + document.originalFileName;
+
+      if (File(filePath).existsSync()) {
+        final count = dir
+            .listSync()
+            .where((entity) => (entity.path.contains(document.originalFileName)))
+            .fold<int>(0, (previous, element) => previous + 1);
+        final extSeperationIdx = filePath.lastIndexOf(".");
+        filePath =
+            filePath.replaceRange(extSeperationIdx, extSeperationIdx + 1, " (${count + 1}).");
+      }
+      Directory(dirPath).createSync();
+      await File(filePath).writeAsBytes(bytes);
+      _isDownloadPending = false;
+      showSnackBar(context, "Document successfully downloaded to $filePath"); //TODO: INTL
+    });
+  }
+
+  Future<void> _onDelete(DocumentModel document) async {
+    showDialog(
+        context: context,
+        builder: (context) => DeleteDocumentConfirmationDialog(document: document)).then((delete) {
+      if (delete ?? false) {
+        BlocProvider.of<DocumentsCubit>(context).removeDocument(document).then((value) {
+          Navigator.pop(context);
+          showSnackBar(context, S.of(context).documentDeleteSuccessMessage);
+        }).onError<ErrorMessage>((error, _) {
+          showSnackBar(context, translateError(context, error.code));
+        });
+      }
+    });
+  }
+
+  Future<void> _onOpen(DocumentModel document) async {
+    Navigator.of(context).push(
+      MaterialPageRoute(
+        builder: (context) => DocumentView(document: document),
+      ),
+    );
+  }
+
+  static String formatBytes(int bytes, int decimals) {
+    if (bytes <= 0) return "0 B";
+    const suffixes = ["B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
+    var i = (log(bytes) / log(1024)).floor();
+    return ((bytes / pow(1024, i)).toStringAsFixed(decimals)) + ' ' + suffixes[i];
+  }
+}
+
+class _DetailsItem extends StatelessWidget {
+  final String label;
+  final Widget content;
+  const _DetailsItem({Key? key, required this.label, required this.content}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 8.0),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            label,
+            style: Theme.of(context).textTheme.headline5?.copyWith(fontWeight: FontWeight.bold),
+          ),
+          content,
+        ],
+      ),
+    );
+  }
+
+  _DetailsItem.text(
+    String text, {
+    required this.label,
+    required BuildContext context,
+  }) : content = Text(text, style: Theme.of(context).textTheme.bodyText2);
+}
+
+class ColoredTabBar extends Container implements PreferredSizeWidget {
+  ColoredTabBar({
+    super.key,
+    required this.backgroundColor,
+    required this.tabBar,
+  });
+
+  final TabBar tabBar;
+  final Color backgroundColor;
+  @override
+  Size get preferredSize => tabBar.preferredSize;
+
+  @override
+  Widget build(BuildContext context) => Container(
+        color: backgroundColor,
+        child: tabBar,
+      );
+}

lib/features/documents/view/pages/document_edit_page.dart

@@ -0,0 +1,204 @@
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/correspondent_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/document_type_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/id_query_parameter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/ids_query_parameter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/storage_path_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/tags_query.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/view/pages/add_correspondent_page.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/view/pages/add_document_type_page.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/bloc/storage_path_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/model/storage_path.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/view/pages/add_storage_path_page.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/view/widgets/tags_form_field.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/widgets/label_form_field.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+import 'package:form_builder_validators/form_builder_validators.dart';
+import 'package:image/image.dart';
+import 'package:intl/intl.dart';
+
+class DocumentEditPage extends StatefulWidget {
+  final DocumentModel document;
+  const DocumentEditPage({Key? key, required this.document}) : super(key: key);
+
+  @override
+  State<DocumentEditPage> createState() => _DocumentEditPageState();
+}
+
+class _DocumentEditPageState extends State<DocumentEditPage> {
+  static const fkTitle = "title";
+  static const fkCorrespondent = "correspondent";
+  static const fkTags = "tags";
+  static const fkDocumentType = "documentType";
+  static const fkCreatedDate = "createdAtDate";
+  static const fkStoragePath = 'storagePath';
+
+  late Future<Uint8List> documentBytes;
+
+  final GlobalKey<FormBuilderState> _formKey = GlobalKey();
+  bool _isSubmitLoading = false;
+
+  @override
+  void initState() {
+    documentBytes = getIt<DocumentRepository>().getPreview(widget.document.id);
+
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      resizeToAvoidBottomInset: false,
+      floatingActionButton: FloatingActionButton.extended(
+        onPressed: () async {
+          if (_formKey.currentState?.saveAndValidate() ?? false) {
+            final values = _formKey.currentState!.value;
+            final updatedDocument = widget.document.copyWith(
+              title: values[fkTitle],
+              created: values[fkCreatedDate],
+              documentType: values[fkDocumentType] as IdQueryParameter,
+              correspondent: values[fkCorrespondent] as IdQueryParameter,
+              storagePath: values[fkStoragePath] as IdQueryParameter,
+              tags: values[fkTags] as IdsQueryParameter,
+            );
+            setState(() {
+              _isSubmitLoading = true;
+            });
+            await getIt<DocumentsCubit>().updateDocument(updatedDocument);
+            Navigator.pop(context);
+            showSnackBar(context, "Document successfully updated."); //TODO: INTL
+          }
+        },
+        icon: const Icon(Icons.save),
+        label: Text(S.of(context).genericActionSaveLabel),
+      ),
+      appBar: AppBar(
+        title: Text(S.of(context).documentEditPageTitle),
+        bottom: _isSubmitLoading
+            ? const PreferredSize(
+                preferredSize: Size.fromHeight(4),
+                child: LinearProgressIndicator(),
+              )
+            : null,
+      ),
+      extendBody: true,
+      body: Padding(
+        padding: EdgeInsets.only(
+          bottom: MediaQuery.of(context).viewInsets.bottom,
+          top: 8,
+          left: 8,
+          right: 8,
+        ),
+        child: FormBuilder(
+          key: _formKey,
+          child: ListView(children: [
+            _buildTitleFormField().padded(),
+            _buildCreatedAtFormField().padded(),
+            BlocBuilder<DocumentTypeCubit, Map<int, DocumentType>>(
+              builder: (context, state) {
+                return LabelFormField<DocumentType, DocumentTypeQuery>(
+                  notAssignedSelectable: false,
+                  formBuilderState: _formKey.currentState,
+                  labelCreationWidgetBuilder: (currentInput) => BlocProvider.value(
+                    value: BlocProvider.of<DocumentTypeCubit>(context),
+                    child: AddDocumentTypePage(
+                      initialName: currentInput,
+                    ),
+                  ),
+                  label: S.of(context).documentDocumentTypePropertyLabel,
+                  initialValue: DocumentTypeQuery.fromId(widget.document.documentType),
+                  state: state,
+                  name: fkDocumentType,
+                  queryParameterIdBuilder: DocumentTypeQuery.fromId,
+                  queryParameterNotAssignedBuilder: DocumentTypeQuery.notAssigned,
+                  prefixIcon: const Icon(Icons.description_outlined),
+                );
+              },
+            ).padded(),
+            BlocBuilder<CorrespondentCubit, Map<int, Correspondent>>(
+              builder: (context, state) {
+                return LabelFormField<Correspondent, CorrespondentQuery>(
+                  notAssignedSelectable: false,
+                  formBuilderState: _formKey.currentState,
+                  labelCreationWidgetBuilder: (initialValue) => BlocProvider.value(
+                    value: BlocProvider.of<CorrespondentCubit>(context),
+                    child: AddCorrespondentPage(initalValue: initialValue),
+                  ),
+                  label: S.of(context).documentCorrespondentPropertyLabel,
+                  state: state,
+                  initialValue: CorrespondentQuery.fromId(widget.document.correspondent),
+                  name: fkCorrespondent,
+                  queryParameterIdBuilder: CorrespondentQuery.fromId,
+                  queryParameterNotAssignedBuilder: CorrespondentQuery.notAssigned,
+                  prefixIcon: const Icon(Icons.person_outlined),
+                );
+              },
+            ).padded(),
+            BlocBuilder<StoragePathCubit, Map<int, StoragePath>>(
+              builder: (context, state) {
+                return LabelFormField<StoragePath, StoragePathQuery>(
+                  notAssignedSelectable: false,
+                  formBuilderState: _formKey.currentState,
+                  labelCreationWidgetBuilder: (initialValue) => BlocProvider.value(
+                    value: BlocProvider.of<StoragePathCubit>(context),
+                    child: AddStoragePathPage(initalValue: initialValue),
+                  ),
+                  label: S.of(context).documentStoragePathPropertyLabel,
+                  state: state,
+                  initialValue: StoragePathQuery.fromId(widget.document.storagePath),
+                  name: fkStoragePath,
+                  queryParameterIdBuilder: StoragePathQuery.fromId,
+                  queryParameterNotAssignedBuilder: StoragePathQuery.notAssigned,
+                  prefixIcon: const Icon(Icons.folder_outlined),
+                );
+              },
+            ).padded(),
+            TagFormField(
+              initialValue: TagsQuery.fromIds(widget.document.tags),
+              name: fkTags,
+            ).padded(),
+          ]),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTitleFormField() {
+    return FormBuilderTextField(
+      name: fkTitle,
+      validator: FormBuilderValidators.required(),
+      decoration: InputDecoration(
+        label: Text(S.of(context).documentTitlePropertyLabel),
+      ),
+      initialValue: widget.document.title,
+    );
+  }
+
+  Widget _buildCreatedAtFormField() {
+    return FormBuilderDateTimePicker(
+      inputType: InputType.date,
+      name: fkCreatedDate,
+      decoration: InputDecoration(
+        prefixIcon: const Icon(Icons.calendar_month_outlined),
+        label: Text(S.of(context).documentCreatedPropertyLabel),
+      ),
+      initialValue: widget.document.created,
+      format: DateFormat("dd. MMMM yyyy"), //TODO: Localized date format
+      initialEntryMode: DatePickerEntryMode.calendar,
+    );
+  }
+}

lib/features/documents/view/pages/document_view.dart

@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:pdfx/pdfx.dart';
+
+class DocumentView extends StatefulWidget {
+  final DocumentModel document;
+
+  const DocumentView({
+    Key? key,
+    required this.document,
+  }) : super(key: key);
+
+  @override
+  State<DocumentView> createState() => _DocumentViewState();
+}
+
+class _DocumentViewState extends State<DocumentView> {
+  late PdfController _pdfController;
+
+  @override
+  void initState() {
+    super.initState();
+    _pdfController = PdfController(
+      document: PdfDocument.openData(
+        getIt<DocumentRepository>().getPreview(widget.document.id),
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(S.of(context).documentPreviewPageTitle),
+      ),
+      body: PdfView(
+        builders: PdfViewBuilders<DefaultBuilderOptions>(
+          options: const DefaultBuilderOptions(),
+          pageLoaderBuilder: (context) => const Center(
+            child: CircularProgressIndicator(),
+          ),
+        ),
+        controller: _pdfController,
+      ),
+    );
+  }
+}

lib/features/documents/view/pages/documents_page.dart

@@ -0,0 +1,239 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/bloc/connectivity_cubit.dart';
+import 'package:flutter_paperless_mobile/core/logic/error_code_localization_mapper.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/widgets/offline_banner.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/pages/document_details_page.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/documents_empty_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/grid/document_grid.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/list/document_list.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/search/document_filter_panel.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/selection/documents_page_app_bar.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/sort_documents_button.dart';
+import 'package:flutter_paperless_mobile/features/home/view/widget/info_drawer.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/bloc/storage_path_cubit.dart';
+import 'package:flutter_paperless_mobile/features/login/bloc/authentication_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/bloc/tags_cubit.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+import 'package:sliding_up_panel/sliding_up_panel.dart';
+
+class DocumentsPage extends StatefulWidget {
+  const DocumentsPage({Key? key}) : super(key: key);
+
+  @override
+  State<DocumentsPage> createState() => _DocumentsPageState();
+}
+
+class _DocumentsPageState extends State<DocumentsPage> {
+  final PagingController<int, DocumentModel> _pagingController =
+      PagingController<int, DocumentModel>(
+    firstPageKey: 1,
+  );
+
+  final PanelController _panelController = PanelController();
+  ViewType _viewType = ViewType.list;
+
+  @override
+  void initState() {
+    super.initState();
+    final documentsCubit = BlocProvider.of<DocumentsCubit>(context);
+    if (!documentsCubit.state.isLoaded) {
+      documentsCubit.loadDocuments().onError<ErrorMessage>(
+            (error, stackTrace) => showSnackBar(
+              context,
+              translateError(context, error.code),
+            ),
+          );
+    }
+    _pagingController.addPageRequestListener(_loadNewPage);
+  }
+
+  @override
+  void dispose() {
+    _pagingController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _loadNewPage(int pageKey) async {
+    final documentsCubit = BlocProvider.of<DocumentsCubit>(context);
+    final pageCount =
+        documentsCubit.state.inferPageCount(pageSize: documentsCubit.state.filter.pageSize);
+    if (pageCount <= pageKey + 1) {
+      _pagingController.nextPageKey = null;
+    }
+    documentsCubit.loadMore();
+  }
+
+  void _onSelected(DocumentModel model) {
+    BlocProvider.of<DocumentsCubit>(context).toggleDocumentSelection(model);
+  }
+
+  Future<void> _onRefresh() {
+    final documentsCubit = BlocProvider.of<DocumentsCubit>(context);
+    return documentsCubit
+        .updateFilter(filter: documentsCubit.state.filter.copyWith(page: 1))
+        .onError<ErrorMessage>((error, _) {
+      showSnackBar(context, translateError(context, error.code));
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return WillPopScope(
+      onWillPop: () async {
+        if (_panelController.isPanelOpen) {
+          FocusScope.of(context).unfocus();
+          _panelController.close();
+          return false;
+        }
+        final docBloc = BlocProvider.of<DocumentsCubit>(context);
+        if (docBloc.state.selection.isNotEmpty) {
+          docBloc.resetSelection();
+          return false;
+        }
+        return true;
+      },
+      child: BlocConsumer<ConnectivityCubit, ConnectivityState>(
+        listenWhen: (previous, current) =>
+            previous != ConnectivityState.connected && current == ConnectivityState.connected,
+        listener: (context, state) {
+          BlocProvider.of<DocumentsCubit>(context).loadDocuments();
+        },
+        builder: (context, connectivityState) {
+          return Scaffold(
+            drawer: BlocProvider.value(
+              value: BlocProvider.of<AuthenticationCubit>(context),
+              child: const InfoDrawer(),
+            ),
+            resizeToAvoidBottomInset: true,
+            appBar: connectivityState == ConnectivityState.connected ? null : const OfflineBanner(),
+            body: SlidingUpPanel(
+              backdropEnabled: true,
+              parallaxEnabled: true,
+              parallaxOffset: .5,
+              controller: _panelController,
+              defaultPanelState: PanelState.CLOSED,
+              minHeight: 48,
+              maxHeight: MediaQuery.of(context).size.height -
+                  kBottomNavigationBarHeight -
+                  2 * kToolbarHeight,
+              borderRadius: const BorderRadius.only(
+                topLeft: Radius.circular(16),
+                topRight: Radius.circular(16),
+              ),
+              body: _buildBody(connectivityState),
+              color: Theme.of(context).scaffoldBackgroundColor,
+              panelBuilder: (scrollController) => DocumentFilterPanel(
+                panelController: _panelController,
+                scrollController: scrollController,
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
+  Widget _buildBody(ConnectivityState connectivityState) {
+    return BlocBuilder<DocumentsCubit, DocumentsState>(
+      builder: (context, state) {
+        // Some ugly tricks to make it work with bloc, update pageController
+        _pagingController.value = PagingState(
+          itemList: state.documents,
+          nextPageKey: state.nextPageNumber,
+        );
+
+        late Widget child;
+        switch (_viewType) {
+          case ViewType.list:
+            child = DocumentListView(
+              onTap: _openDocumentDetails,
+              state: state,
+              onSelected: _onSelected,
+              pagingController: _pagingController,
+              hasInternetConnection: connectivityState == ConnectivityState.connected,
+            );
+            break;
+          case ViewType.grid:
+            child = DocumentGridView(
+                onTap: _openDocumentDetails,
+                state: state,
+                onSelected: _onSelected,
+                pagingController: _pagingController,
+                hasInternetConnection: connectivityState == ConnectivityState.connected);
+            break;
+        }
+
+        if (state.isLoaded && state.documents.isEmpty) {
+          child = SliverToBoxAdapter(
+            child: DocumentsEmptyState(
+              state: state,
+            ),
+          );
+        }
+
+        return RefreshIndicator(
+          onRefresh: _onRefresh,
+          child: Container(
+            padding: const EdgeInsets.only(
+              bottom: 142,
+            ), // Prevents panel from hiding scrollable content
+            child: CustomScrollView(
+              slivers: [
+                DocumentsPageAppBar(
+                  actions: [
+                    const SortDocumentsButton(),
+                    IconButton(
+                      icon: Icon(
+                        _viewType == ViewType.grid ? Icons.list : Icons.grid_view,
+                      ),
+                      onPressed: () => setState(() => _viewType = _viewType.toggle()),
+                    ),
+                  ],
+                ),
+                child
+              ],
+            ),
+          ),
+        );
+      },
+    );
+  }
+
+  void _openDocumentDetails(DocumentModel model) {
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (context) => MultiBlocProvider(
+          providers: [
+            BlocProvider.value(value: getIt<DocumentsCubit>()),
+            BlocProvider.value(value: getIt<CorrespondentCubit>()),
+            BlocProvider.value(value: getIt<DocumentTypeCubit>()),
+            BlocProvider.value(value: getIt<TagCubit>()),
+            BlocProvider.value(value: getIt<StoragePathCubit>()),
+          ],
+          child: DocumentDetailsPage(
+            documentId: model.id,
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+enum ViewType {
+  grid,
+  list;
+
+  ViewType toggle() {
+    return this == grid ? list : grid;
+  }
+}

lib/features/documents/view/widgets/delete_document_confirmation_dialog.dart

@@ -0,0 +1,49 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class DeleteDocumentConfirmationDialog extends StatelessWidget {
+  final DocumentModel document;
+  const DeleteDocumentConfirmationDialog({super.key, required this.document});
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text(S.of(context).documentsPageSelectionBulkDeleteDialogTitle),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            S.of(context).documentsPageSelectionBulkDeleteDialogWarningTextOne,
+          ),
+          const SizedBox(height: 16),
+          Text(
+            document.title,
+            maxLines: 2,
+            overflow: TextOverflow.ellipsis,
+            style: const TextStyle(
+              fontWeight: FontWeight.w700,
+            ),
+          ),
+          const SizedBox(height: 16),
+          Text(S.of(context).documentsPageSelectionBulkDeleteDialogContinueText),
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.pop(context, false),
+          child: Text(S.of(context).genericActionCancelLabel),
+        ),
+        TextButton(
+          style: ButtonStyle(
+            foregroundColor: MaterialStateProperty.all(Theme.of(context).colorScheme.error),
+          ),
+          onPressed: () {
+            Navigator.pop(context, true);
+          },
+          child: Text(S.of(context).genericActionDeleteLabel),
+        ),
+      ],
+    );
+  }
+}

lib/features/documents/view/widgets/document_preview.dart

@@ -0,0 +1,45 @@
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/repository/document_repository.dart';
+import 'package:shimmer/shimmer.dart';
+
+class DocumentPreview extends StatelessWidget {
+  final int id;
+  final BoxFit fit;
+  final Alignment alignment;
+  final double borderRadius;
+
+  const DocumentPreview({
+    Key? key,
+    required this.id,
+    this.fit = BoxFit.cover,
+    this.alignment = Alignment.center,
+    this.borderRadius = 8.0,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return
+        // Hero(
+        // tag: "document_$id",child:
+        ClipRRect(
+      borderRadius: BorderRadius.circular(borderRadius),
+      child: CachedNetworkImage(
+        fit: fit,
+        alignment: Alignment.topCenter,
+        cacheKey: "thumb_$id",
+        imageUrl: getIt<DocumentRepository>().getThumbnailUrl(id),
+        errorWidget: (ctxt, msg, __) => Text(msg),
+        placeholder: (context, value) => Shimmer.fromColors(
+          baseColor: Colors.grey[300]!,
+          highlightColor: Colors.grey[100]!,
+          child: const SizedBox(height: 100, width: 100),
+        ),
+        cacheManager: getIt<CacheManager>(),
+      ),
+      // ),
+    );
+  }
+}

lib/features/documents/view/widgets/documents_empty_state.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/widgets/empty_state.dart';
+import 'package:flutter_paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class DocumentsEmptyState extends StatelessWidget {
+  final DocumentsState state;
+  const DocumentsEmptyState({
+    Key? key,
+    required this.state,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: EmptyState(
+        title: S.of(context).documentsPageEmptyStateOopsText,
+        subtitle: S.of(context).documentsPageEmptyStateNothingHereText,
+        bottomChild: state.filter != DocumentFilter.initial
+            ? ElevatedButton(
+                onPressed: () async {
+                  await BlocProvider.of<DocumentsCubit>(context).updateFilter();
+                  BlocProvider.of<SavedViewCubit>(context).resetSelection();
+                },
+                child: Text(
+                  S.of(context).documentsFilterPageResetFilterLabel,
+                ),
+              ).padded()
+            : null,
+      ),
+    );
+  }
+}

lib/features/documents/view/widgets/grid/document_grid.dart

@@ -0,0 +1,48 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/core/widgets/documents_list_loading_widget.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/grid/document_grid_item.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+
+class DocumentGridView extends StatelessWidget {
+  final void Function(DocumentModel model) onTap;
+  final void Function(DocumentModel) onSelected;
+  final PagingController<int, DocumentModel> pagingController;
+  final DocumentsState state;
+  final bool hasInternetConnection;
+
+  const DocumentGridView({
+    super.key,
+    required this.onTap,
+    required this.pagingController,
+    required this.state,
+    required this.onSelected,
+    required this.hasInternetConnection,
+  });
+  @override
+  Widget build(BuildContext context) {
+    return PagedSliverGrid<int, DocumentModel>(
+      gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+        crossAxisCount: 2,
+        mainAxisSpacing: 4,
+        crossAxisSpacing: 4,
+        childAspectRatio: 1 / 2,
+      ),
+      pagingController: pagingController,
+      builderDelegate: PagedChildBuilderDelegate(
+        itemBuilder: (context, item, index) {
+          return DocumentGridItem(
+            document: item,
+            onTap: onTap,
+            isSelected: state.selection.contains(item),
+            onSelected: onSelected,
+            isAtLeastOneSelected: state.selection.isNotEmpty,
+          );
+        },
+        noItemsFoundIndicatorBuilder: (context) =>
+            const DocumentsListLoadingWidget(), //TODO: Replace with grid loading widget
+      ),
+    );
+  }
+}

lib/features/documents/view/widgets/grid/document_grid_item.dart

@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/document_preview.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/view/widgets/correspondent_widget.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/view/widgets/document_type_widget.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/view/widgets/tags_widget.dart';
+import 'package:intl/intl.dart';
+
+class DocumentGridItem extends StatelessWidget {
+  final DocumentModel document;
+  final bool isSelected;
+  final void Function(DocumentModel) onTap;
+  final void Function(DocumentModel) onSelected;
+  final bool isAtLeastOneSelected;
+
+  const DocumentGridItem({
+    Key? key,
+    required this.document,
+    required this.onTap,
+    required this.onSelected,
+    required this.isSelected,
+    required this.isAtLeastOneSelected,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: _onTap,
+      onLongPress: () => onSelected(document),
+      child: AbsorbPointer(
+        absorbing: isAtLeastOneSelected,
+        child: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: Card(
+            elevation: 1.0,
+            color: isSelected
+                ? Theme.of(context).colorScheme.inversePrimary
+                : Theme.of(context).cardColor,
+            child: Column(
+              children: [
+                AspectRatio(
+                  aspectRatio: 1,
+                  child: DocumentPreview(
+                    id: document.id,
+                    borderRadius: 12.0,
+                  ),
+                ),
+                Expanded(
+                  child: Padding(
+                    padding: const EdgeInsets.all(8.0),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        CorrespondentWidget(correspondentId: document.correspondent),
+                        DocumentTypeWidget(documentTypeId: document.documentType),
+                        Text(
+                          document.title,
+                          maxLines: document.tags.isEmpty ? 3 : 2,
+                          overflow: TextOverflow.ellipsis,
+                          style: Theme.of(context).textTheme.titleMedium,
+                        ),
+                        const Spacer(),
+                        TagsWidget(
+                          tagIds: document.tags,
+                          isMultiLine: false,
+                        ),
+                        Text(DateFormat.yMMMd(Intl.getCurrentLocale()).format(document.created)),
+                      ],
+                    ),
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _onTap() {
+    if (isAtLeastOneSelected || isSelected) {
+      onSelected(document);
+    } else {
+      onTap(document);
+    }
+  }
+}

lib/features/documents/view/widgets/list/document_list.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/core/widgets/documents_list_loading_widget.dart';
+import 'package:flutter_paperless_mobile/core/widgets/offline_widget.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/list/document_list_item.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+
+class DocumentListView extends StatelessWidget {
+  final void Function(DocumentModel model) onTap;
+  final void Function(DocumentModel) onSelected;
+  final PagingController<int, DocumentModel> pagingController;
+  final DocumentsState state;
+  final bool hasInternetConnection;
+
+  const DocumentListView({
+    super.key,
+    required this.onTap,
+    required this.pagingController,
+    required this.state,
+    required this.onSelected,
+    required this.hasInternetConnection,
+  });
+  @override
+  Widget build(BuildContext context) {
+    return PagedSliverList<int, DocumentModel>(
+      pagingController: pagingController,
+      builderDelegate: PagedChildBuilderDelegate(
+        animateTransitions: true,
+        itemBuilder: (context, item, index) {
+          return DocumentListItem(
+            document: item,
+            onTap: onTap,
+            isSelected: state.selection.contains(item),
+            onSelected: onSelected,
+            isAtLeastOneSelected: state.selection.isNotEmpty,
+          );
+        },
+        noItemsFoundIndicatorBuilder: (context) =>
+            hasInternetConnection ? const DocumentsListLoadingWidget() : const OfflineWidget(),
+      ),
+    );
+  }
+}

lib/features/documents/view/widgets/list/document_list_item.dart

@@ -0,0 +1,88 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/document_preview.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/view/widgets/correspondent_widget.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/view/widgets/tags_widget.dart';
+
+class DocumentListItem extends StatelessWidget {
+  static const a4AspectRatio = 1 / 1.4142;
+  final DocumentModel document;
+  final bool isSelected;
+  final void Function(DocumentModel) onTap;
+  final void Function(DocumentModel)? onSelected;
+  final bool isAtLeastOneSelected;
+
+  const DocumentListItem({
+    Key? key,
+    required this.document,
+    required this.onTap,
+    this.onSelected,
+    required this.isSelected,
+    required this.isAtLeastOneSelected,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return SizedBox(
+      child: ListTile(
+        dense: true,
+        selected: isSelected,
+        onTap: () => _onTap(),
+        selectedTileColor: Theme.of(context).colorScheme.inversePrimary,
+        onLongPress: () => onSelected?.call(document),
+        title: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          mainAxisAlignment: MainAxisAlignment.spaceAround,
+          children: [
+            Row(
+              children: [
+                AbsorbPointer(
+                  absorbing: isAtLeastOneSelected,
+                  child: CorrespondentWidget(
+                    correspondentId: document.correspondent,
+                    afterSelected: () {},
+                  ),
+                ),
+              ],
+            ),
+            Text(
+              document.title,
+              overflow: TextOverflow.ellipsis,
+              maxLines: document.tags.isEmpty ? 2 : 1,
+            ),
+          ],
+        ),
+        subtitle: Padding(
+          padding: const EdgeInsets.symmetric(vertical: 4),
+          child: AbsorbPointer(
+            absorbing: isAtLeastOneSelected,
+            child: TagsWidget(
+              tagIds: document.tags,
+              isMultiLine: false,
+            ),
+          ),
+        ),
+        isThreeLine: document.tags.isNotEmpty,
+        leading: AspectRatio(
+          aspectRatio: a4AspectRatio,
+          child: GestureDetector(
+            child: DocumentPreview(
+              id: document.id,
+              fit: BoxFit.cover,
+              alignment: Alignment.topCenter,
+            ),
+          ),
+        ),
+        contentPadding: const EdgeInsets.all(8.0),
+      ),
+    );
+  }
+
+  void _onTap() {
+    if (isAtLeastOneSelected || isSelected) {
+      onSelected?.call(document);
+    } else {
+      onTap(document);
+    }
+  }
+}

lib/features/documents/view/widgets/order_by_dropdown.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_field.dart';
+
+class OrderByDropdown extends StatefulWidget {
+  static const fkOrderBy = "orderBy";
+  const OrderByDropdown({super.key});
+
+  @override
+  State<OrderByDropdown> createState() => _OrderByDropdownState();
+}
+
+class _OrderByDropdownState extends State<OrderByDropdown> {
+  @override
+  Widget build(BuildContext context) {
+    return FormBuilderDropdown<SortField>(
+      name: OrderByDropdown.fkOrderBy,
+      items: const [],
+    );
+  }
+}

lib/features/documents/view/widgets/search/document_filter_panel.dart

@@ -0,0 +1,530 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:flutter_paperless_mobile/extensions/flutter_extensions.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/correspondent_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/document_type_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_field.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/query_type.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/storage_path_query.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/tags_query.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/search/query_type_form_field.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/bloc/storage_path_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/model/storage_path.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/view/widgets/tags_form_field.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/widgets/label_form_field.dart';
+import 'package:flutter_paperless_mobile/features/scan/view/document_upload_page.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:intl/intl.dart';
+import 'package:sliding_up_panel/sliding_up_panel.dart';
+
+enum DateRangeSelection { before, after }
+
+class DocumentFilterPanel extends StatefulWidget {
+  final PanelController panelController;
+  final ScrollController scrollController;
+
+  const DocumentFilterPanel({
+    Key? key,
+    required this.panelController,
+    required this.scrollController,
+  }) : super(key: key);
+
+  @override
+  State<DocumentFilterPanel> createState() => _DocumentFilterPanelState();
+}
+
+class _DocumentFilterPanelState extends State<DocumentFilterPanel> {
+  static const fkCorrespondent = DocumentModel.correspondentKey;
+  static const fkDocumentType = DocumentModel.documentTypeKey;
+  static const fkStoragePath = DocumentModel.storagePathKey;
+  static const fkQuery = "query";
+  static const fkCreatedAt = DocumentModel.createdKey;
+  static const fkAddedAt = DocumentModel.addedKey;
+
+  static const _sortFields = [
+    SortField.created,
+    SortField.added,
+    SortField.modified,
+    SortField.title,
+    SortField.correspondentName,
+    SortField.documentType,
+    SortField.archiveSerialNumber
+  ];
+
+  final _formKey = GlobalKey<FormBuilderState>();
+  bool _isQueryLoading = false;
+
+  DateTimeRange? _dateTimeRangeOfNullable(DateTime? start, DateTime? end) {
+    if (start == null && end == null) {
+      return null;
+    }
+    if (start != null && end != null) {
+      return DateTimeRange(start: start, end: end);
+    }
+    assert(start != null || end != null);
+    final singleDate = (start ?? end)!;
+    return DateTimeRange(start: singleDate, end: singleDate);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocConsumer<DocumentsCubit, DocumentsState>(
+      listener: (context, state) {
+        // Set initial values, otherwise they would not automatically update.
+        _patchFromFilter(state.filter);
+      },
+      builder: (context, state) {
+        return FormBuilder(
+          key: _formKey,
+          child: MediaQuery.removePadding(
+            context: context,
+            removeTop: true,
+            child: Column(
+              children: [
+                Stack(
+                  alignment: Alignment.center,
+                  children: [
+                    _buildDragLine(),
+                    Align(
+                      alignment: Alignment.topRight,
+                      child: TextButton.icon(
+                        icon: const Icon(Icons.refresh),
+                        label: Text(S.of(context).documentsFilterPageResetFilterLabel),
+                        onPressed: () => _resetFilter(context),
+                      ),
+                    ),
+                  ],
+                ),
+                const SizedBox(
+                  height: 8.0,
+                ),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: [
+                    Text(
+                      S.of(context).documentsFilterPageTitle,
+                      style: Theme.of(context).textTheme.titleLarge,
+                    ),
+                    TextButton(
+                      onPressed: _onApplyFilter,
+                      child: Text(S.of(context).documentsFilterPageApplyFilterLabel),
+                    ),
+                  ],
+                ).padded(),
+                Expanded(
+                  child: ListView(
+                    controller: widget.scrollController,
+                    children: [
+                      const SizedBox(
+                        height: 16.0,
+                      ),
+                      Align(
+                        alignment: Alignment.centerLeft,
+                        child: Text(S.of(context).documentsFilterPageSearchLabel),
+                      ).padded(),
+                      _buildQueryFormField(state),
+                      _buildSortByChipsList(context, state),
+                      Align(
+                        alignment: Alignment.centerLeft,
+                        child: Text(S.of(context).documentsFilterPageAdvancedLabel),
+                      ).padded(),
+                      _buildCreatedDateRangePickerFormField(state).padded(),
+                      _buildAddedDateRangePickerFormField(state).padded(),
+                      _buildCorrespondentFormField(state).padded(),
+                      _buildDocumentTypeFormField(state).padded(),
+                      _buildStoragePathFormField(state).padded(),
+                      TagFormField(
+                        name: DocumentModel.tagsKey,
+                        initialValue: state.filter.tags,
+                      ).padded(),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        );
+      },
+    );
+  }
+
+  void _resetFilter(BuildContext context) async {
+    FocusScope.of(context).unfocus();
+    await BlocProvider.of<DocumentsCubit>(context).updateFilter();
+    BlocProvider.of<SavedViewCubit>(context).resetSelection();
+    if (!widget.panelController.isPanelClosed) {
+      widget.panelController.close();
+    }
+  }
+
+  Widget _buildDocumentTypeFormField(DocumentsState docState) {
+    return BlocBuilder<DocumentTypeCubit, Map<int, DocumentType>>(
+      builder: (context, state) {
+        return LabelFormField<DocumentType, DocumentTypeQuery>(
+          formBuilderState: _formKey.currentState,
+          name: fkDocumentType,
+          state: state,
+          label: S.of(context).documentDocumentTypePropertyLabel,
+          initialValue: docState.filter.documentType,
+          queryParameterIdBuilder: DocumentTypeQuery.fromId,
+          queryParameterNotAssignedBuilder: DocumentTypeQuery.notAssigned,
+          prefixIcon: const Icon(Icons.description_outlined),
+        );
+      },
+    );
+  }
+
+  Widget _buildStoragePathFormField(DocumentsState docState) {
+    return BlocBuilder<StoragePathCubit, Map<int, StoragePath>>(
+      builder: (context, state) {
+        return LabelFormField<StoragePath, StoragePathQuery>(
+          formBuilderState: _formKey.currentState,
+          name: fkStoragePath,
+          state: state,
+          label: S.of(context).documentStoragePathPropertyLabel,
+          initialValue: docState.filter.storagePath,
+          queryParameterIdBuilder: StoragePathQuery.fromId,
+          queryParameterNotAssignedBuilder: StoragePathQuery.notAssigned,
+          prefixIcon: const Icon(Icons.folder_outlined),
+        );
+      },
+    );
+  }
+
+  Widget _buildQueryFormField(DocumentsState state) {
+    final queryType = _formKey.currentState?.getRawValue(QueryTypeFormField.fkQueryType) ??
+        QueryType.titleAndContent;
+    late String label;
+    switch (queryType) {
+      case QueryType.title:
+        label = S.of(context).documentsFilterPageQueryOptionsTitleLabel;
+        break;
+      case QueryType.titleAndContent:
+        label = S.of(context).documentsFilterPageQueryOptionsTitleAndContentLabel;
+        break;
+      case QueryType.extended:
+        label = S.of(context).documentsFilterPageQueryOptionsExtendedLabel;
+        break;
+    }
+
+    return FormBuilderTextField(
+      name: fkQuery,
+      textInputAction: TextInputAction.done,
+      decoration: InputDecoration(
+        prefixIcon: const Icon(Icons.search_outlined),
+        labelText: label,
+        suffixIcon: QueryTypeFormField(
+          initialValue: state.filter.queryType,
+          afterSelected: (queryType) => setState(() {}),
+        ),
+      ),
+      initialValue: state.filter.queryText,
+    ).padded();
+  }
+
+  Widget _buildDateRangePickerHelper(DocumentsState state, String formFieldKey) {
+    return SingleChildScrollView(
+      scrollDirection: Axis.horizontal,
+      child: Row(
+        children: [
+          ActionChip(
+            label: Text(
+              S.of(context).documentsFilterPageDateRangeLastSevenDaysLabel,
+            ),
+            onPressed: () {
+              _formKey.currentState?.fields[formFieldKey]?.didChange(
+                DateTimeRange(
+                  start: DateUtils.addDaysToDate(DateTime.now(), -7),
+                  end: DateTime.now(),
+                ),
+              );
+            },
+          ).padded(const EdgeInsets.only(right: 8.0)),
+          ActionChip(
+            label: Text(
+              S.of(context).documentsFilterPageDateRangeLastMonthLabel,
+            ),
+            onPressed: () {
+              final now = DateTime.now();
+              final firstDayOfLastMonth = DateUtils.addMonthsToMonthDate(now, -1);
+              _formKey.currentState?.fields[formFieldKey]?.didChange(
+                DateTimeRange(
+                  start: DateTime(firstDayOfLastMonth.year, firstDayOfLastMonth.month, now.day),
+                  end: DateTime.now(),
+                ),
+              );
+            },
+          ).padded(const EdgeInsets.only(right: 8.0)),
+          ActionChip(
+            label: Text(
+              S.of(context).documentsFilterPageDateRangeLastThreeMonthsLabel,
+            ),
+            onPressed: () {
+              final now = DateTime.now();
+              final firstDayOfLastMonth = DateUtils.addMonthsToMonthDate(now, -3);
+              _formKey.currentState?.fields[formFieldKey]?.didChange(
+                DateTimeRange(
+                  start: DateTime(
+                    firstDayOfLastMonth.year,
+                    firstDayOfLastMonth.month,
+                    now.day,
+                  ),
+                  end: DateTime.now(),
+                ),
+              );
+            },
+          ).padded(const EdgeInsets.only(right: 8.0)),
+          ActionChip(
+            label: Text(
+              S.of(context).documentsFilterPageDateRangeLastYearLabel,
+            ),
+            onPressed: () {
+              final now = DateTime.now();
+              final firstDayOfLastMonth = DateUtils.addMonthsToMonthDate(now, -12);
+              _formKey.currentState?.fields[formFieldKey]?.didChange(
+                DateTimeRange(
+                  start: DateTime(
+                    firstDayOfLastMonth.year,
+                    firstDayOfLastMonth.month,
+                    now.day,
+                  ),
+                  end: DateTime.now(),
+                ),
+              );
+            },
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildCorrespondentFormField(DocumentsState docState) {
+    return BlocBuilder<CorrespondentCubit, Map<int, Correspondent>>(
+      builder: (context, state) {
+        return LabelFormField<Correspondent, CorrespondentQuery>(
+          formBuilderState: _formKey.currentState,
+          name: fkCorrespondent,
+          state: state,
+          label: S.of(context).documentCorrespondentPropertyLabel,
+          initialValue: docState.filter.correspondent,
+          queryParameterIdBuilder: CorrespondentQuery.fromId,
+          queryParameterNotAssignedBuilder: CorrespondentQuery.notAssigned,
+          prefixIcon: const Icon(Icons.person_outline),
+        );
+      },
+    );
+  }
+
+  Widget _buildCreatedDateRangePickerFormField(DocumentsState state) {
+    return Column(
+      children: [
+        FormBuilderDateRangePicker(
+          initialValue: _dateTimeRangeOfNullable(
+            state.filter.createdDateAfter,
+            state.filter.createdDateBefore,
+          ),
+          pickerBuilder: (context, child) {
+            return Theme(
+              data: ThemeData.light().copyWith(
+                primaryColor: Theme.of(context).primaryColor,
+                colorScheme: Theme.of(context).colorScheme,
+                buttonTheme: Theme.of(context).buttonTheme,
+              ),
+              child: child!,
+            );
+          },
+          format: DateFormat.yMMMd(Localizations.localeOf(context).toString()),
+          fieldStartLabelText: S.of(context).documentsFilterPageDateRangeFieldStartLabel,
+          fieldEndLabelText: S.of(context).documentsFilterPageDateRangeFieldEndLabel,
+          firstDate: DateTime.fromMicrosecondsSinceEpoch(0),
+          lastDate: DateTime.now(),
+          name: fkCreatedAt,
+          decoration: InputDecoration(
+            prefixIcon: const Icon(Icons.calendar_month_outlined),
+            labelText: S.of(context).documentCreatedPropertyLabel,
+            suffixIcon: IconButton(
+              icon: const Icon(Icons.clear),
+              onPressed: () => _formKey.currentState?.fields[fkCreatedAt]?.didChange(null),
+            ),
+          ),
+        ),
+        _buildDateRangePickerHelper(state, fkCreatedAt),
+      ],
+    );
+  }
+
+  Widget _buildAddedDateRangePickerFormField(DocumentsState state) {
+    return Column(
+      children: [
+        FormBuilderDateRangePicker(
+          initialValue: _dateTimeRangeOfNullable(
+            state.filter.addedDateAfter,
+            state.filter.addedDateBefore,
+          ),
+          pickerBuilder: (context, child) {
+            return Theme(
+              data: ThemeData.light().copyWith(
+                primaryColor: Theme.of(context).primaryColor,
+                colorScheme: Theme.of(context).colorScheme,
+                buttonTheme: Theme.of(context).buttonTheme,
+              ),
+              child: child!,
+            );
+          },
+          format: DateFormat.yMMMd(Localizations.localeOf(context).toString()),
+          fieldStartLabelText: S.of(context).documentsFilterPageDateRangeFieldStartLabel,
+          fieldEndLabelText: S.of(context).documentsFilterPageDateRangeFieldEndLabel,
+          firstDate: DateTime.fromMicrosecondsSinceEpoch(0),
+          lastDate: DateTime.now(),
+          name: fkAddedAt,
+          decoration: InputDecoration(
+            prefixIcon: const Icon(Icons.calendar_month_outlined),
+            labelText: S.of(context).documentAddedPropertyLabel,
+            suffixIcon: IconButton(
+              icon: const Icon(Icons.clear),
+              onPressed: () => _formKey.currentState?.fields[fkAddedAt]?.didChange(null),
+            ),
+          ),
+        ),
+        _buildDateRangePickerHelper(state, fkAddedAt),
+      ],
+    );
+  }
+
+  Widget _buildDragLine() {
+    return Container(
+      width: 48,
+      height: 5,
+      decoration: BoxDecoration(
+        color: Colors.grey[300],
+        borderRadius: const BorderRadius.all(Radius.circular(12.0)),
+      ),
+    );
+  }
+
+  Widget _buildSortByChipsList(BuildContext context, DocumentsState state) {
+    return Padding(
+      padding: const EdgeInsets.all(8.0),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.end,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            S.of(context).documentsPageOrderByLabel,
+          ),
+          SizedBox(
+            height: kToolbarHeight,
+            child: ListView.separated(
+              itemCount: _sortFields.length,
+              scrollDirection: Axis.horizontal,
+              separatorBuilder: (context, index) => const SizedBox(
+                width: 8.0,
+              ),
+              itemBuilder: (context, index) =>
+                  _buildActionChip(_sortFields[index], state.filter.sortField, context),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildActionChip(
+      SortField sortField, SortField? currentlySelectedOrder, BuildContext context) {
+    String text;
+    switch (sortField) {
+      case SortField.archiveSerialNumber:
+        text = S.of(context).documentArchiveSerialNumberPropertyShortLabel;
+        break;
+      case SortField.correspondentName:
+        text = S.of(context).documentCorrespondentPropertyLabel;
+        break;
+      case SortField.title:
+        text = S.of(context).documentTitlePropertyLabel;
+        break;
+      case SortField.documentType:
+        text = S.of(context).documentDocumentTypePropertyLabel;
+        break;
+      case SortField.created:
+        text = S.of(context).documentCreatedPropertyLabel;
+        break;
+      case SortField.added:
+        text = S.of(context).documentAddedPropertyLabel;
+        break;
+      case SortField.modified:
+        text = S.of(context).documentModifiedPropertyLabel;
+        break;
+    }
+
+    final docBloc = BlocProvider.of<DocumentsCubit>(context);
+    return ActionChip(
+      label: Text(text),
+      avatar: currentlySelectedOrder == sortField
+          ? const Icon(
+              Icons.done,
+              color: Colors.green,
+            )
+          : null,
+      onPressed: () =>
+          docBloc.updateFilter(filter: docBloc.state.filter.copyWith(sortField: sortField)),
+    );
+  }
+
+  void _onApplyFilter() {
+    setState(() => _isQueryLoading = true);
+    _formKey.currentState?.save();
+    if (_formKey.currentState?.validate() ?? false) {
+      final v = _formKey.currentState!.value;
+      final docCubit = BlocProvider.of<DocumentsCubit>(context);
+      DocumentFilter newFilter = docCubit.state.filter.copyWith(
+        createdDateBefore: (v[fkCreatedAt] as DateTimeRange?)?.end,
+        createdDateAfter: (v[fkCreatedAt] as DateTimeRange?)?.start,
+        correspondent: v[fkCorrespondent] as CorrespondentQuery?,
+        documentType: v[fkDocumentType] as DocumentTypeQuery?,
+        storagePath: v[fkStoragePath] as StoragePathQuery?,
+        tags: v[DocumentModel.tagsKey] as TagsQuery?,
+        page: 1,
+        queryText: v[fkQuery] as String?,
+        addedDateBefore: (v[fkAddedAt] as DateTimeRange?)?.end,
+        addedDateAfter: (v[fkAddedAt] as DateTimeRange?)?.start,
+        queryType: v[QueryTypeFormField.fkQueryType] as QueryType,
+      );
+      BlocProvider.of<DocumentsCubit>(context).updateFilter(filter: newFilter).then((value) {
+        BlocProvider.of<SavedViewCubit>(context).resetSelection();
+        FocusScope.of(context).unfocus();
+        widget.panelController.close();
+        setState(() => _isQueryLoading = false);
+      });
+    }
+  }
+
+  void _patchFromFilter(DocumentFilter f) {
+    _formKey.currentState?.patchValue({
+      fkCorrespondent: f.correspondent,
+      fkDocumentType: f.documentType,
+      fkQuery: f.queryText,
+      fkStoragePath: f.storagePath,
+      DocumentModel.tagsKey: f.tags,
+      DocumentModel.titleKey: f.queryText,
+      QueryTypeFormField.fkQueryType: f.queryType,
+      fkCreatedAt: _dateTimeRangeOfNullable(
+        f.createdDateAfter,
+        f.createdDateBefore,
+      ),
+      fkAddedAt: _dateTimeRangeOfNullable(
+        f.addedDateAfter,
+        f.addedDateBefore,
+      ),
+    });
+  }
+}

lib/features/documents/view/widgets/search/query_type_form_field.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/query_type.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class QueryTypeFormField extends StatelessWidget {
+  static const fkQueryType = 'queryType';
+  final QueryType? initialValue;
+  final void Function(QueryType)? afterSelected;
+  const QueryTypeFormField({
+    super.key,
+    this.initialValue,
+    this.afterSelected,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return FormBuilderField<QueryType>(
+      builder: (field) => PopupMenuButton<QueryType>(
+        itemBuilder: (context) => [
+          PopupMenuItem(
+            child: ListTile(
+              title: Text(S.of(context).documentsFilterPageQueryOptionsTitleAndContentLabel),
+            ),
+            value: QueryType.titleAndContent,
+          ),
+          PopupMenuItem(
+            child: ListTile(
+              title: Text(S.of(context).documentsFilterPageQueryOptionsTitleLabel),
+            ),
+            value: QueryType.title,
+          ),
+          PopupMenuItem(
+            child: ListTile(
+              title: Text(S.of(context).documentsFilterPageQueryOptionsExtendedLabel),
+            ),
+            value: QueryType.extended,
+          ),
+          //TODO: Add support for ASN queries
+        ],
+        onSelected: (selection) {
+          field.didChange(selection);
+          afterSelected?.call(selection);
+        },
+        child: const Icon(Icons.more_vert),
+      ),
+      initialValue: initialValue,
+      name: QueryTypeFormField.fkQueryType,
+    );
+  }
+}

lib/features/documents/view/widgets/selection/add_saved_view_page.dart

@@ -0,0 +1,85 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_form_builder/flutter_form_builder.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:form_builder_validators/form_builder_validators.dart';
+
+class AddSavedViewPage extends StatefulWidget {
+  final DocumentFilter currentFilter;
+  const AddSavedViewPage({super.key, required this.currentFilter});
+
+  @override
+  State<AddSavedViewPage> createState() => _AddSavedViewPageState();
+}
+
+class _AddSavedViewPageState extends State<AddSavedViewPage> {
+  static const fkName = 'name';
+  static const fkShowOnDashboard = 'show_on_dashboard';
+  static const fkShowInSidebar = 'show_in_sidebar';
+
+  final GlobalKey<FormBuilderState> _formKey = GlobalKey();
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(S.of(context).savedViewCreateNewLabel),
+        actions: [
+          Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: Tooltip(
+              child: const Icon(Icons.info_outline),
+              message: S.of(context).savedViewCreateTooltipText,
+            ),
+          ),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton.extended(
+        icon: const Icon(Icons.add),
+        onPressed: () => _onCreate(context),
+        label: Text(S.of(context).genericActionCreateLabel),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: FormBuilder(
+          key: _formKey,
+          child: ListView(
+            children: [
+              FormBuilderTextField(
+                name: fkName,
+                validator: FormBuilderValidators.required(), //TODO: INTL
+                decoration: InputDecoration(
+                  label: Text(S.of(context).savedViewNameLabel),
+                ),
+              ),
+              FormBuilderCheckbox(
+                name: fkShowOnDashboard,
+                initialValue: false,
+                title: Text(S.of(context).savedViewShowOnDashboardLabel),
+              ),
+              FormBuilderCheckbox(
+                name: fkShowInSidebar,
+                initialValue: false,
+                title: Text(S.of(context).savedViewShowInSidebarLabel),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _onCreate(BuildContext context) {
+    if (_formKey.currentState?.saveAndValidate() ?? false) {
+      Navigator.pop(
+        context,
+        SavedView.fromDocumentFilter(
+          widget.currentFilter,
+          name: _formKey.currentState?.value[fkName] as String,
+          showOnDashboard: _formKey.currentState?.value[fkShowOnDashboard] as bool,
+          showInSidebar: _formKey.currentState?.value[fkShowInSidebar] as bool,
+        ),
+      );
+    }
+  }
+}

lib/features/documents/view/widgets/selection/bulk_delete_confirmation_dialog.dart

@@ -0,0 +1,72 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class BulkDeleteConfirmationDialog extends StatelessWidget {
+  static const _bulletPoint = "\u2022";
+  final DocumentsState state;
+  const BulkDeleteConfirmationDialog({Key? key, required this.state})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    assert(state.selection.isNotEmpty);
+    return AlertDialog(
+      title: Text(S.of(context).documentsPageSelectionBulkDeleteDialogTitle),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            //TODO: use plurals, didn't use because of crash... investigate later.
+            state.selection.length == 1
+                ? S
+                    .of(context)
+                    .documentsPageSelectionBulkDeleteDialogWarningTextOne
+                : S
+                    .of(context)
+                    .documentsPageSelectionBulkDeleteDialogWarningTextMany,
+          ),
+          const SizedBox(height: 16),
+          ConstrainedBox(
+            constraints: const BoxConstraints(maxHeight: 150),
+            child: ListView(
+              shrinkWrap: true,
+              children: state.selection.map(_buildBulletPoint).toList(),
+            ),
+          ),
+          const SizedBox(height: 16),
+          Text(
+              S.of(context).documentsPageSelectionBulkDeleteDialogContinueText),
+        ],
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.pop(context, false),
+          child: Text(S.of(context).genericActionCancelLabel),
+        ),
+        TextButton(
+          style: ButtonStyle(
+            foregroundColor:
+                MaterialStateProperty.all(Theme.of(context).colorScheme.error),
+          ),
+          onPressed: () {
+            Navigator.pop(context, true);
+          },
+          child: Text(S.of(context).genericActionDeleteLabel),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildBulletPoint(DocumentModel doc) {
+    return Text(
+      "\t$_bulletPoint ${doc.title}",
+      maxLines: 1,
+      overflow: TextOverflow.ellipsis,
+      style: const TextStyle(
+        fontWeight: FontWeight.w700,
+      ),
+    );
+  }
+}

lib/features/documents/view/widgets/selection/confirm_delete_saved_view_dialog.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class ConfirmDeleteSavedViewDialog extends StatelessWidget {
+  const ConfirmDeleteSavedViewDialog({
+    Key? key,
+    required this.view,
+  }) : super(key: key);
+
+  final SavedView view;
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text(
+        "Delete view " + view.name + "?",
+        softWrap: true,
+      ),
+      content: Text("Do you really want to delete this view?"),
+      actions: [
+        TextButton(
+          child: Text(S.of(context).genericActionCancelLabel),
+          onPressed: () => Navigator.pop(context, false),
+        ),
+        TextButton(
+          child: Text(
+            S.of(context).genericActionDeleteLabel,
+            style: TextStyle(color: Theme.of(context).colorScheme.error),
+          ),
+          onPressed: () => Navigator.pop(context, true),
+        ),
+      ],
+    );
+  }
+}

lib/features/documents/view/widgets/selection/documents_page_app_bar.dart

@@ -0,0 +1,91 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/logic/error_code_localization_mapper.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/selection/bulk_delete_confirmation_dialog.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/selection/saved_view_selection_widget.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class DocumentsPageAppBar extends StatefulWidget with PreferredSizeWidget {
+  final List<Widget> actions;
+
+  const DocumentsPageAppBar({
+    super.key,
+    this.actions = const [],
+  });
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+  @override
+  State<DocumentsPageAppBar> createState() => _DocumentsPageAppBarState();
+}
+
+class _DocumentsPageAppBarState extends State<DocumentsPageAppBar> {
+  static const _flexibleAreaHeight = kToolbarHeight + 48.0;
+  @override
+  Widget build(BuildContext context) {
+    return BlocBuilder<DocumentsCubit, DocumentsState>(
+      builder: (context, documentsState) {
+        if (documentsState.selection.isNotEmpty) {
+          return SliverAppBar(
+            snap: true,
+            floating: true,
+            pinned: true,
+            expandedHeight: kToolbarHeight,
+            leading: IconButton(
+              icon: const Icon(Icons.close),
+              onPressed: () => BlocProvider.of<DocumentsCubit>(context).resetSelection(),
+            ),
+            title:
+                Text('${documentsState.selection.length} ${S.of(context).documentsSelectedText}'),
+            actions: [
+              IconButton(
+                icon: const Icon(Icons.delete),
+                onPressed: () => _onDelete(context, documentsState),
+              ),
+            ],
+          );
+        } else {
+          return SliverAppBar(
+            expandedHeight: kToolbarHeight + _flexibleAreaHeight,
+            pinned: true,
+            flexibleSpace: const FlexibleSpaceBar(
+              background: Padding(
+                padding: EdgeInsets.all(8.0),
+                child: SavedViewSelectionWidget(height: _flexibleAreaHeight),
+              ),
+            ),
+            title: BlocBuilder<DocumentsCubit, DocumentsState>(
+              builder: (context, state) {
+                return Text(
+                  '${S.of(context).documentsPageTitle} (${_formatDocumentCount(state.count)})',
+                );
+              },
+            ),
+            actions: widget.actions,
+          );
+        }
+      },
+    );
+  }
+
+  void _onDelete(BuildContext context, DocumentsState documentsState) async {
+    final shouldDelete = await showDialog<bool>(
+      context: context,
+      builder: (context) => BulkDeleteConfirmationDialog(state: documentsState),
+    );
+    if (shouldDelete ?? false) {
+      BlocProvider.of<DocumentsCubit>(context)
+          .bulkRemoveDocuments(documentsState.selection)
+          .then((_) => showSnackBar(context, S.of(context).documentsPageBulkDeleteSuccessfulText))
+          .onError<ErrorMessage>(
+              (error, _) => showSnackBar(context, translateError(context, error.code)));
+    }
+  }
+
+  String _formatDocumentCount(int count) {
+    return count > 99 ? "99+" : count.toString();
+  }
+}

lib/features/documents/view/widgets/selection/saved_view_selection_widget.dart

@@ -0,0 +1,117 @@
+import 'dart:developer';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/selection/add_saved_view_page.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/widgets/selection/confirm_delete_saved_view_dialog.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class SavedViewSelectionWidget extends StatelessWidget {
+  const SavedViewSelectionWidget({
+    Key? key,
+    required this.height,
+  }) : super(key: key);
+
+  final double height;
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.end,
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        BlocBuilder<SavedViewCubit, SavedViewState>(
+          builder: (context, state) {
+            if (state.value.isEmpty) {
+              return Text(S.of(context).savedViewsEmptyStateText);
+            }
+            return SizedBox(
+              height: 48.0,
+              child: ListView.separated(
+                itemCount: state.value.length,
+                scrollDirection: Axis.horizontal,
+                itemBuilder: (context, index) {
+                  final view = state.value.values.elementAt(index);
+                  return GestureDetector(
+                    onLongPress: () => _onDelete(context, view),
+                    child: FilterChip(
+                      label: Text(state.value.values.toList()[index].name),
+                      selected: view.id == state.selectedSavedViewId,
+                      onSelected: (isSelected) => _onSelected(isSelected, context, view),
+                    ),
+                  );
+                },
+                separatorBuilder: (context, index) => const SizedBox(
+                  width: 8.0,
+                ),
+              ),
+            );
+          },
+        ),
+        Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Text(
+              S.of(context).savedViewsLabel,
+              style: Theme.of(context).textTheme.titleSmall,
+            ),
+            TextButton.icon(
+              icon: const Icon(Icons.add),
+              onPressed: () => _onCreatePressed(context),
+              label: Text(S.of(context).savedViewCreateNewLabel),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+
+  void _onCreatePressed(BuildContext context) async {
+    final newView = await Navigator.of(context).push<SavedView?>(
+      MaterialPageRoute(
+        builder: (context) => AddSavedViewPage(currentFilter: getIt<DocumentsCubit>().state.filter),
+      ),
+    );
+    if (newView != null) {
+      try {
+        BlocProvider.of<SavedViewCubit>(context).add(newView);
+      } on ErrorMessage catch (error) {
+        showError(context, error);
+      }
+    }
+  }
+
+  void _onSelected(bool isSelected, BuildContext context, SavedView view) {
+    if (isSelected) {
+      BlocProvider.of<DocumentsCubit>(context).updateFilter(filter: view.toDocumentFilter());
+      BlocProvider.of<SavedViewCubit>(context).selectView(view);
+    } else {
+      BlocProvider.of<DocumentsCubit>(context).updateFilter();
+      BlocProvider.of<SavedViewCubit>(context).selectView(null);
+    }
+  }
+
+  void _onDelete(BuildContext context, SavedView view) async {
+    {
+      final delete = await showDialog<bool>(
+            context: context,
+            builder: (context) => ConfirmDeleteSavedViewDialog(view: view),
+          ) ??
+          false;
+      if (delete) {
+        try {
+          BlocProvider.of<SavedViewCubit>(context).remove(view);
+        } on ErrorMessage catch (error) {
+          showError(context, error);
+        }
+      }
+    }
+  }
+}

lib/features/documents/view/widgets/sort_documents_button.dart

@@ -0,0 +1,55 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_state.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/sort_order.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+
+class SortDocumentsButton extends StatefulWidget {
+  const SortDocumentsButton({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  State<SortDocumentsButton> createState() => _SortDocumentsButtonState();
+}
+
+class _SortDocumentsButtonState extends State<SortDocumentsButton> {
+  bool _isLoading = false;
+  @override
+  Widget build(BuildContext context) {
+    return BlocBuilder<DocumentsCubit, DocumentsState>(
+      builder: (context, state) {
+        Widget child;
+        if (_isLoading) {
+          child = const FittedBox(
+            fit: BoxFit.scaleDown,
+            child: RefreshProgressIndicator(
+              strokeWidth: 4.0,
+              backgroundColor: Colors.transparent,
+            ),
+          );
+        } else {
+          final bool isAscending = state.filter.sortOrder == SortOrder.ascending;
+          child = IconButton(
+            icon: FaIcon(
+              isAscending ? FontAwesomeIcons.arrowDownAZ : FontAwesomeIcons.arrowUpZA,
+            ),
+            onPressed: () async {
+              setState(() => _isLoading = true);
+              BlocProvider.of<DocumentsCubit>(context)
+                  .updateFilter(
+                      filter: state.filter.copyWith(sortOrder: state.filter.sortOrder.toggle()))
+                  .whenComplete(() => setState(() => _isLoading = false));
+            },
+          );
+        }
+        return SizedBox(
+          height: Theme.of(context).iconTheme.size,
+          width: Theme.of(context).iconTheme.size,
+          child: child,
+        );
+      },
+    );
+  }
+}

lib/features/home/view/home_page.dart

@@ -0,0 +1,76 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/bloc/connectivity_cubit.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/saved_view_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/saved_view.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/view/pages/documents_page.dart';
+import 'package:flutter_paperless_mobile/features/home/view/widget/bottom_navigation_bar.dart';
+import 'package:flutter_paperless_mobile/features/home/view/widget/info_drawer.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/bloc/storage_path_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/bloc/tags_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/pages/labels_page.dart';
+import 'package:flutter_paperless_mobile/features/scan/bloc/document_scanner_cubit.dart';
+import 'package:flutter_paperless_mobile/features/scan/view/scanner_page.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({Key? key}) : super(key: key);
+
+  @override
+  _HomePageState createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  int _currentIndex = 0;
+
+  @override
+  void initState() {
+    super.initState();
+    initializeLabelData(context);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocListener<ConnectivityCubit, ConnectivityState>(
+      //Only re-initialize data if the connectivity changed from not connected to connected
+      listenWhen: (previous, current) =>
+          previous != ConnectivityState.connected && current == ConnectivityState.connected,
+      listener: (context, state) {
+        initializeLabelData(context);
+      },
+      child: Scaffold(
+        key: rootScaffoldKey,
+        bottomNavigationBar: BottomNavBar(
+          selectedIndex: _currentIndex,
+          onNavigationChanged: (index) => setState(() => _currentIndex = index),
+        ),
+        drawer: const InfoDrawer(),
+        body: [
+          MultiBlocProvider(
+            providers: [
+              BlocProvider.value(value: getIt<DocumentsCubit>()),
+            ],
+            child: const DocumentsPage(),
+          ),
+          BlocProvider.value(
+            value: getIt<DocumentScannerCubit>(),
+            child: const ScannerPage(),
+          ),
+          const LabelsPage(),
+        ][_currentIndex],
+      ),
+    );
+  }
+
+  initializeLabelData(BuildContext context) {
+    BlocProvider.of<DocumentTypeCubit>(context).initialize();
+    BlocProvider.of<CorrespondentCubit>(context).initialize();
+    BlocProvider.of<TagCubit>(context).initialize();
+    BlocProvider.of<StoragePathCubit>(context).initialize();
+    BlocProvider.of<SavedViewCubit>(context).initialize();
+  }
+}

lib/features/home/view/widget/bottom_navigation_bar.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class BottomNavBar extends StatelessWidget {
+  final int selectedIndex;
+  final void Function(int) onNavigationChanged;
+
+  const BottomNavBar(
+      {Key? key,
+      required this.selectedIndex,
+      required this.onNavigationChanged})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return NavigationBar(
+      elevation: 4.0,
+      onDestinationSelected: onNavigationChanged,
+      selectedIndex: selectedIndex,
+      destinations: [
+        NavigationDestination(
+          icon: const Icon(Icons.description),
+          label: S.of(context).bottomNavDocumentsPageLabel,
+        ),
+        NavigationDestination(
+          icon: const Icon(Icons.document_scanner),
+          label: S.of(context).bottomNavScannerPageLabel,
+        ),
+        NavigationDestination(
+          icon: const Icon(Icons.sell),
+          label: S.of(context).bottomNavLabelsPageLabel,
+        ),
+      ],
+    );
+  }
+}

lib/features/home/view/widget/info_drawer.dart

@@ -0,0 +1,117 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/settings/bloc/application_settings_cubit.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/settings/view/settings_page.dart';
+import 'package:flutter_paperless_mobile/features/login/bloc/authentication_cubit.dart';
+import 'package:flutter_paperless_mobile/features/scan/bloc/document_scanner_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/bloc/tags_cubit.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+import 'package:url_launcher/url_launcher_string.dart';
+import 'package:flutter_paperless_mobile/extensions/flutter_extensions.dart';
+
+class InfoDrawer extends StatelessWidget {
+  const InfoDrawer({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Drawer(
+      child: ListView(
+        children: [
+          DrawerHeader(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Row(
+                  children: [
+                    Image.asset(
+                      "assets/logos/paperless_logo_white.png",
+                      height: 32,
+                      width: 32,
+                      color: Theme.of(context).colorScheme.onPrimaryContainer,
+                    ).padded(const EdgeInsets.only(right: 8.0)),
+                    Text(
+                      S.of(context).appTitleText,
+                      style: Theme.of(context)
+                          .textTheme
+                          .headline5!
+                          .copyWith(color: Theme.of(context).colorScheme.onPrimaryContainer),
+                    ),
+                  ],
+                ),
+                Align(
+                  alignment: Alignment.bottomRight,
+                  child: BlocBuilder<AuthenticationCubit, AuthenticationState>(
+                    builder: (context, state) {
+                      return Text(
+                        state.authentication?.serverUrl.replaceAll(RegExp(r'https?://'), "") ?? "",
+                        textAlign: TextAlign.end,
+                        style: TextStyle(color: Theme.of(context).colorScheme.onPrimaryContainer),
+                      );
+                    },
+                  ),
+                ),
+              ],
+            ),
+            decoration: BoxDecoration(
+              color: Theme.of(context).colorScheme.primaryContainer,
+            ),
+          ),
+          ListTile(
+            leading: const Icon(Icons.settings),
+            title: Text(
+              S.of(context).appDrawerSettingsLabel,
+            ),
+            onTap: () => Navigator.of(context).push(
+              MaterialPageRoute(
+                builder: (context) => BlocProvider.value(
+                  value: getIt<ApplicationSettingsCubit>(),
+                  child: const SettingsPage(),
+                ),
+              ),
+            ),
+          ),
+          const Divider(),
+          ListTile(
+            leading: const Icon(Icons.bug_report),
+            title: Text(S.of(context).appDrawerReportBugLabel),
+            onTap: () {
+              launchUrlString("https://github.com/astubenbord/paperless-mobile/issues/new");
+            },
+          ),
+          const Divider(),
+          AboutListTile(
+            icon: const Icon(Icons.info),
+            applicationIcon: const ImageIcon(AssetImage("assets/logos/paperless_logo_green.png")),
+            applicationName: "Paperless Mobile",
+            applicationVersion: kPackageInfo.version + "+" + kPackageInfo.buildNumber,
+            aboutBoxChildren: [
+              Text('${S.of(context).aboutDialogDevelopedByText} Anton Stubenbord'),
+            ],
+            child: Text(S.of(context).appDrawerAboutLabel),
+          ),
+          const Divider(),
+          ListTile(
+            leading: const Icon(Icons.logout),
+            title: Text(S.of(context).appDrawerLogoutLabel),
+            onTap: () {
+              // Clear all bloc data
+              BlocProvider.of<AuthenticationCubit>(context).logout();
+              getIt<DocumentsCubit>().reset();
+              getIt<CorrespondentCubit>().reset();
+              getIt<DocumentTypeCubit>().reset();
+              getIt<TagCubit>().reset();
+              getIt<DocumentScannerCubit>().reset();
+            },
+          ),
+          const Divider(),
+        ],
+      ),
+    );
+  }
+}

lib/features/labels/correspondent/bloc/correspondents_cubit.dart

@@ -0,0 +1,22 @@
+import 'package:flutter_paperless_mobile/core/bloc/label_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class CorrespondentCubit extends LabelCubit<Correspondent> {
+  CorrespondentCubit(super.metaDataService);
+
+  @override
+  Future<void> initialize() async {
+    return labelRepository.getCorrespondents().then(loadFrom);
+  }
+
+  @override
+  Future<Correspondent> save(Correspondent item) => labelRepository.saveCorrespondent(item);
+
+  @override
+  Future<Correspondent> update(Correspondent item) => labelRepository.updateCorrespondent(item);
+
+  @override
+  Future<int> delete(Correspondent item) => labelRepository.deleteCorrespondent(item);
+}

lib/features/labels/correspondent/model/correspondent.model.dart

@@ -0,0 +1,65 @@
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/extensions/dart_extensions.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/matching_algorithm.dart';
+import 'package:flutter_paperless_mobile/features/labels/model/label.model.dart';
+
+class Correspondent extends Label {
+  static const lastCorrespondenceKey = 'last_correspondence';
+
+  late DateTime? lastCorrespondence;
+
+  Correspondent({
+    required super.id,
+    required super.name,
+    super.slug,
+    super.match,
+    super.matchingAlgorithm,
+    super.isInsensitive,
+    super.documentCount,
+    this.lastCorrespondence,
+  });
+
+  Correspondent.fromJson(JSON json)
+      : lastCorrespondence =
+            DateTime.tryParse(json[lastCorrespondenceKey] ?? ''),
+        super.fromJson(json);
+
+  @override
+  String toString() {
+    return name;
+  }
+
+  @override
+  void addSpecificFieldsToJson(JSON json) {
+    json.tryPutIfAbsent(
+      lastCorrespondenceKey,
+      () => lastCorrespondence?.toIso8601String(),
+    );
+  }
+
+  @override
+  Correspondent copyWith({
+    int? id,
+    String? name,
+    String? slug,
+    String? match,
+    MatchingAlgorithm? matchingAlgorithm,
+    bool? isInsensitive,
+    int? documentCount,
+    DateTime? lastCorrespondence,
+  }) {
+    return Correspondent(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      documentCount: documentCount ?? documentCount,
+      isInsensitive: isInsensitive ?? isInsensitive,
+      lastCorrespondence: lastCorrespondence ?? this.lastCorrespondence,
+      match: match ?? this.match,
+      matchingAlgorithm: matchingAlgorithm ?? this.matchingAlgorithm,
+      slug: slug ?? this.slug,
+    );
+  }
+
+  @override
+  String get queryEndpoint => 'correspondents';
+}

lib/features/labels/correspondent/view/pages/add_correspondent_page.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/pages/add_label_page.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class AddCorrespondentPage extends StatelessWidget {
+  final String? initalValue;
+  const AddCorrespondentPage({Key? key, this.initalValue}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return AddLabelPage<Correspondent>(
+      addLabelStr: S.of(context).addCorrespondentPageTitle,
+      fromJson: Correspondent.fromJson,
+      cubit: BlocProvider.of<CorrespondentCubit>(context),
+      initialName: initalValue,
+    );
+  }
+}

lib/features/labels/correspondent/view/pages/edit_correspondent_page.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/logic/error_code_localization_mapper.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/correspondent_query.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/pages/edit_label_page.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class EditCorrespondentPage extends StatelessWidget {
+  final Correspondent correspondent;
+  const EditCorrespondentPage({super.key, required this.correspondent});
+
+  @override
+  Widget build(BuildContext context) {
+    return EditLabelPage<Correspondent>(
+      label: correspondent,
+      onSubmit: BlocProvider.of<CorrespondentCubit>(context).replace,
+      onDelete: (correspondent) => _onDelete(correspondent, context),
+      fromJson: Correspondent.fromJson,
+    );
+  }
+
+  Future<void> _onDelete(Correspondent correspondent, BuildContext context) async {
+    try {
+      await BlocProvider.of<CorrespondentCubit>(context).remove(correspondent);
+      final cubit = BlocProvider.of<DocumentsCubit>(context);
+      if (cubit.state.filter.correspondent.id == correspondent.id) {
+        cubit.updateFilter(
+          filter: cubit.state.filter.copyWith(correspondent: const CorrespondentQuery.unset()),
+        );
+      }
+    } on ErrorMessage catch (e) {
+      showSnackBar(context, translateError(context, e.code));
+    } finally {
+      Navigator.pop(context);
+    }
+  }
+}

lib/features/labels/correspondent/view/widgets/correspondent_widget.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/correspondent_query.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/bloc/correspondents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+
+class CorrespondentWidget extends StatelessWidget {
+  final int? correspondentId;
+  final void Function()? afterSelected;
+  final Color? textColor;
+  final bool isClickable;
+
+  const CorrespondentWidget({
+    Key? key,
+    required this.correspondentId,
+    this.afterSelected,
+    this.textColor,
+    this.isClickable = true,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return AbsorbPointer(
+      absorbing: !isClickable,
+      child: BlocBuilder<CorrespondentCubit, Map<int, Correspondent>>(
+        builder: (context, state) {
+          return GestureDetector(
+            onTap: () => _addCorrespondentToFilter(context),
+            child: Text(
+              (state[correspondentId]?.name) ?? "-",
+              maxLines: 1,
+              overflow: TextOverflow.ellipsis,
+              style: Theme.of(context).textTheme.bodyText2?.copyWith(
+                    color: textColor ?? Theme.of(context).colorScheme.primary,
+                  ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+
+  void _addCorrespondentToFilter(BuildContext context) {
+    final cubit = getIt<DocumentsCubit>();
+    if (cubit.state.filter.correspondent.id == correspondentId) {
+      cubit.updateFilter(
+          filter: cubit.state.filter.copyWith(correspondent: const CorrespondentQuery.unset()));
+    } else {
+      cubit.updateFilter(
+        filter: cubit.state.filter.copyWith(
+          correspondent: CorrespondentQuery.fromId(correspondentId),
+        ),
+      );
+    }
+    afterSelected?.call();
+  }
+}

lib/features/labels/document_type/bloc/document_type_cubit.dart

@@ -0,0 +1,22 @@
+import 'package:flutter_paperless_mobile/core/bloc/label_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class DocumentTypeCubit extends LabelCubit<DocumentType> {
+  DocumentTypeCubit(super.metaDataService);
+
+  @override
+  Future<void> initialize() async {
+    return labelRepository.getDocumentTypes().then(loadFrom);
+  }
+
+  @override
+  Future<DocumentType> save(DocumentType item) => labelRepository.saveDocumentType(item);
+
+  @override
+  Future<DocumentType> update(DocumentType item) => labelRepository.updateDocumentType(item);
+
+  @override
+  Future<int> delete(DocumentType item) => labelRepository.deleteDocumentType(item);
+}

lib/features/labels/document_type/model/document_type.model.dart

@@ -0,0 +1,44 @@
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/matching_algorithm.dart';
+import 'package:flutter_paperless_mobile/features/labels/model/label.model.dart';
+
+class DocumentType extends Label {
+  DocumentType({
+    required super.id,
+    required super.name,
+    super.slug,
+    super.match,
+    super.matchingAlgorithm,
+    super.isInsensitive,
+    super.documentCount,
+  });
+
+  DocumentType.fromJson(JSON json) : super.fromJson(json);
+
+  @override
+  void addSpecificFieldsToJson(JSON json) {}
+
+  @override
+  String get queryEndpoint => 'document_types';
+
+  @override
+  DocumentType copyWith({
+    int? id,
+    String? name,
+    String? match,
+    MatchingAlgorithm? matchingAlgorithm,
+    bool? isInsensitive,
+    int? documentCount,
+    String? slug,
+  }) {
+    return DocumentType(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      match: match ?? this.match,
+      matchingAlgorithm: matchingAlgorithm ?? this.matchingAlgorithm,
+      isInsensitive: isInsensitive ?? this.isInsensitive,
+      documentCount: documentCount ?? this.documentCount,
+      slug: slug ?? this.slug,
+    );
+  }
+}

lib/features/labels/document_type/model/matching_algorithm.dart

@@ -0,0 +1,22 @@
+enum MatchingAlgorithm {
+  anyWord(1, "Any: Match one of the following words"),
+  allWords(2, "All: Match all of the following words"),
+  exactMatch(3, "Exact: Match the following string"),
+  regex(4, "Regex: Match the regular expression"),
+  similarWord(5, "Similar: Match a similar word"),
+  auto(6, "Auto: Learn automatic assignment");
+
+  final int value;
+  final String name;
+
+  const MatchingAlgorithm(this.value, this.name);
+
+  static MatchingAlgorithm fromInt(int? value) {
+    return MatchingAlgorithm.values
+        .where((element) => element.value == value)
+        .firstWhere(
+          (element) => true,
+          orElse: () => MatchingAlgorithm.anyWord,
+        );
+  }
+}

lib/features/labels/document_type/view/pages/add_document_type_page.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/pages/add_label_page.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class AddDocumentTypePage extends StatelessWidget {
+  final String? initialName;
+  const AddDocumentTypePage({Key? key, this.initialName}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return AddLabelPage<DocumentType>(
+      addLabelStr: S.of(context).addDocumentTypePageTitle,
+      fromJson: DocumentType.fromJson,
+      cubit: BlocProvider.of<DocumentTypeCubit>(context),
+      initialName: initialName,
+    );
+  }
+}

lib/features/labels/document_type/view/pages/edit_document_type_page.dart

@@ -0,0 +1,41 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/core/logic/error_code_localization_mapper.dart';
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/document_type_query.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/pages/edit_label_page.dart';
+import 'package:flutter_paperless_mobile/util.dart';
+
+class EditDocumentTypePage extends StatelessWidget {
+  final DocumentType documentType;
+  const EditDocumentTypePage({super.key, required this.documentType});
+
+  @override
+  Widget build(BuildContext context) {
+    return EditLabelPage<DocumentType>(
+      label: documentType,
+      onSubmit: BlocProvider.of<DocumentTypeCubit>(context).replace,
+      onDelete: (docType) => _onDelete(docType, context),
+      fromJson: DocumentType.fromJson,
+    );
+  }
+
+  Future<void> _onDelete(DocumentType docType, BuildContext context) async {
+    try {
+      await BlocProvider.of<DocumentTypeCubit>(context).remove(docType);
+      final cubit = BlocProvider.of<DocumentsCubit>(context);
+      if (cubit.state.filter.documentType.id == docType.id) {
+        cubit.updateFilter(
+          filter: cubit.state.filter.copyWith(documentType: const DocumentTypeQuery.unset()),
+        );
+      }
+    } on ErrorMessage catch (e) {
+      showSnackBar(context, translateError(context, e.code));
+    } finally {
+      Navigator.pop(context);
+    }
+  }
+}

lib/features/labels/document_type/view/widgets/document_type_widget.dart

@@ -0,0 +1,52 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/query_parameters/document_type_query.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/bloc/document_type_cubit.dart';
+import 'package:flutter_paperless_mobile/features/documents/bloc/documents_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+
+class DocumentTypeWidget extends StatelessWidget {
+  final int? documentTypeId;
+  final void Function()? afterSelected;
+  const DocumentTypeWidget({
+    Key? key,
+    required this.documentTypeId,
+    this.afterSelected,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: _addDocumentTypeToFilter,
+      child: BlocBuilder<DocumentTypeCubit, Map<int, DocumentType>>(
+        builder: (context, state) {
+          return Text(
+            state[documentTypeId]?.toString() ?? "-",
+            style: Theme.of(context)
+                .textTheme
+                .bodyText2!
+                .copyWith(color: Theme.of(context).colorScheme.primary),
+          );
+        },
+      ),
+    );
+  }
+
+  void _addDocumentTypeToFilter() {
+    final cubit = getIt<DocumentsCubit>();
+    if (cubit.state.filter.documentType.id == documentTypeId) {
+      cubit.updateFilter(
+          filter: cubit.state.filter.copyWith(documentType: const DocumentTypeQuery.unset()));
+    } else {
+      cubit.updateFilter(
+        filter: cubit.state.filter.copyWith(
+          documentType: DocumentTypeQuery.fromId(documentTypeId),
+        ),
+      );
+    }
+    if (afterSelected != null) {
+      afterSelected?.call();
+    }
+  }
+}

lib/features/labels/model/label.model.dart

@@ -0,0 +1,82 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/extensions/dart_extensions.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/matching_algorithm.dart';
+
+abstract class Label with EquatableMixin implements Comparable {
+  static const idKey = "id";
+  static const nameKey = "name";
+  static const slugKey = "slug";
+  static const matchKey = "match";
+  static const matchingAlgorithmKey = "matching_algorithm";
+  static const isInsensitiveKey = "is_insensitive";
+  static const documentCountKey = "document_count";
+
+  String get queryEndpoint;
+
+  final int? id;
+  final String name;
+  final String? slug;
+  final String? match;
+  final MatchingAlgorithm? matchingAlgorithm;
+  final bool? isInsensitive;
+  final int? documentCount;
+
+  const Label({
+    required this.id,
+    required this.name,
+    this.match,
+    this.matchingAlgorithm,
+    this.isInsensitive,
+    this.documentCount,
+    this.slug,
+  });
+
+  Label.fromJson(JSON json)
+      : id = json[idKey],
+        name = json[nameKey],
+        slug = json[slugKey],
+        match = json[matchKey],
+        matchingAlgorithm =
+            MatchingAlgorithm.fromInt(json[matchingAlgorithmKey]),
+        isInsensitive = json[isInsensitiveKey],
+        documentCount = json[documentCountKey];
+
+  JSON toJson() {
+    JSON json = {};
+    json.tryPutIfAbsent(idKey, () => id);
+    json.tryPutIfAbsent(nameKey, () => name);
+    json.tryPutIfAbsent(slugKey, () => slug);
+    json.tryPutIfAbsent(matchKey, () => match);
+    json.tryPutIfAbsent(matchingAlgorithmKey, () => matchingAlgorithm?.value);
+    json.tryPutIfAbsent(isInsensitiveKey, () => isInsensitive);
+    json.tryPutIfAbsent(documentCountKey, () => documentCount);
+    addSpecificFieldsToJson(json);
+    return json;
+  }
+
+  void addSpecificFieldsToJson(JSON json);
+
+  Label copyWith({
+    int? id,
+    String? name,
+    String? match,
+    MatchingAlgorithm? matchingAlgorithm,
+    bool? isInsensitive,
+    int? documentCount,
+    String? slug,
+  });
+
+  @override
+  String toString() {
+    return name;
+  }
+
+  @override
+  int compareTo(dynamic other) {
+    return toString().toLowerCase().compareTo(other.toString().toLowerCase());
+  }
+
+  @override
+  List<Object?> get props => [id];
+}

lib/features/labels/repository/label.repository.dart

@@ -0,0 +1,246 @@
+import 'dart:convert';
+
+import 'package:flutter_paperless_mobile/core/model/error_message.dart';
+import 'package:flutter_paperless_mobile/core/util.dart';
+import 'package:flutter_paperless_mobile/di_initializer.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/repository/label_repository.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/model/storage_path.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/model/tag.model.dart';
+import 'package:http/http.dart';
+import 'package:injectable/injectable.dart';
+
+@Singleton(as: LabelRepository)
+class LabelRepositoryImpl implements LabelRepository {
+  final BaseClient httpClient;
+
+  LabelRepositoryImpl(@Named("timeoutClient") this.httpClient);
+
+  @override
+  Future<Correspondent?> getCorrespondent(int id) async {
+    return getSingleResult(
+      "/api/correspondents/$id/",
+      Correspondent.fromJson,
+      ErrorCode.correspondentLoadFailed,
+    );
+  }
+
+  @override
+  Future<Tag?> getTag(int id) async {
+    return getSingleResult("/api/tags/$id/", Tag.fromJson, ErrorCode.tagLoadFailed);
+  }
+
+  @override
+  Future<List<Tag>> getTags({List<int>? ids}) async {
+    final results = await getCollection(
+      "/api/tags/?page=1&page_size=100000",
+      Tag.fromJson,
+      ErrorCode.tagLoadFailed,
+      minRequiredApiVersion: 2,
+    );
+    return results.where((element) => ids?.contains(element.id) ?? true).toList();
+  }
+
+  @override
+  Future<DocumentType?> getDocumentType(int id) async {
+    return getSingleResult(
+      "/api/document_types/$id/",
+      DocumentType.fromJson,
+      ErrorCode.documentTypeLoadFailed,
+    );
+  }
+
+  @override
+  Future<List<Correspondent>> getCorrespondents() {
+    return getCollection(
+      "/api/correspondents/?page=1&page_size=100000",
+      Correspondent.fromJson,
+      ErrorCode.correspondentLoadFailed,
+    );
+  }
+
+  @override
+  Future<List<DocumentType>> getDocumentTypes() {
+    return getCollection(
+      "/api/document_types/?page=1&page_size=100000",
+      DocumentType.fromJson,
+      ErrorCode.documentTypeLoadFailed,
+    );
+  }
+
+  @override
+  Future<Correspondent> saveCorrespondent(Correspondent correspondent) async {
+    final response = await httpClient.post(
+      Uri.parse('/api/correspondents/'),
+      body: json.encode(correspondent.toJson()),
+      headers: {"Content-Type": "application/json"},
+    );
+    if (response.statusCode == 201) {
+      return Correspondent.fromJson(json.decode(response.body));
+    }
+    throw ErrorMessage(ErrorCode.correspondentCreateFailed, httpStatusCode: response.statusCode);
+  }
+
+  @override
+  Future<DocumentType> saveDocumentType(DocumentType type) async {
+    final response = await httpClient.post(
+      Uri.parse('/api/document_types/'),
+      body: json.encode(type.toJson()),
+      headers: {"Content-Type": "application/json"},
+    );
+    if (response.statusCode == 201) {
+      return DocumentType.fromJson(json.decode(response.body));
+    }
+    throw const ErrorMessage(ErrorCode.documentTypeCreateFailed);
+  }
+
+  @override
+  Future<Tag> saveTag(Tag tag) async {
+    final body = json.encode(tag.toJson());
+    final response = await httpClient.post(Uri.parse('/api/tags/'), body: body, headers: {
+      "Content-Type": "application/json",
+      "Accept": "application/json; version=2",
+    });
+    if (response.statusCode == 201) {
+      return Tag.fromJson(json.decode(response.body));
+    }
+    throw const ErrorMessage(ErrorCode.tagCreateFailed);
+  }
+
+  @override
+  Future<int> getStatistics() async {
+    final response = await httpClient.get(Uri.parse('/api/statistics/'));
+    if (response.statusCode == 200) {
+      return json.decode(response.body)['documents_total'];
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<int> deleteCorrespondent(Correspondent correspondent) async {
+    assert(correspondent.id != null);
+    final response = await httpClient.delete(Uri.parse('/api/correspondents/${correspondent.id}/'));
+    if (response.statusCode == 204) {
+      return correspondent.id!;
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<int> deleteDocumentType(DocumentType documentType) async {
+    assert(documentType.id != null);
+    final response = await httpClient.delete(Uri.parse('/api/document_types/${documentType.id}/'));
+    if (response.statusCode == 204) {
+      return documentType.id!;
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<int> deleteTag(Tag tag) async {
+    assert(tag.id != null);
+    final response = await httpClient.delete(Uri.parse('/api/tags/${tag.id}/'));
+    if (response.statusCode == 204) {
+      return tag.id!;
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<Correspondent> updateCorrespondent(Correspondent correspondent) async {
+    assert(correspondent.id != null);
+    final response = await httpClient.put(
+      Uri.parse('/api/correspondents/${correspondent.id}/'),
+      headers: {"Content-Type": "application/json"},
+      body: json.encode(correspondent.toJson()),
+    );
+    if (response.statusCode == 200) {
+      return Correspondent.fromJson(json.decode(response.body));
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<DocumentType> updateDocumentType(DocumentType documentType) async {
+    assert(documentType.id != null);
+    final response = await httpClient.put(
+      Uri.parse('/api/document_types/${documentType.id}/'),
+      headers: {"Content-Type": "application/json"},
+      body: json.encode(documentType.toJson()),
+    );
+    if (response.statusCode == 200) {
+      return DocumentType.fromJson(json.decode(response.body));
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<Tag> updateTag(Tag tag) async {
+    assert(tag.id != null);
+    final response = await httpClient.put(
+      Uri.parse('/api/tags/${tag.id}/'),
+      headers: {
+        "Accept": "application/json; version=2",
+        "Content-Type": "application/json",
+      },
+      body: json.encode(tag.toJson()),
+    );
+    if (response.statusCode == 200) {
+      return Tag.fromJson(json.decode(response.body));
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<int> deleteStoragePath(StoragePath path) async {
+    assert(path.id != null);
+    final response = await httpClient.delete(Uri.parse('/api/storage_paths/${path.id}/'));
+    if (response.statusCode == 204) {
+      return path.id!;
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+
+  @override
+  Future<StoragePath?> getStoragePath(int id) {
+    return getSingleResult("/api/storage_paths/?page=1&page_size=100000", StoragePath.fromJson,
+        ErrorCode.storagePathLoadFailed);
+  }
+
+  @override
+  Future<List<StoragePath>> getStoragePaths() {
+    return getCollection(
+      "/api/storage_paths/?page=1&page_size=100000",
+      StoragePath.fromJson,
+      ErrorCode.storagePathLoadFailed,
+    );
+  }
+
+  @override
+  Future<StoragePath> saveStoragePath(StoragePath path) async {
+    final response = await httpClient.post(
+      Uri.parse('/api/storage_paths/'),
+      body: json.encode(path.toJson()),
+      headers: {"Content-Type": "application/json"},
+    );
+    if (response.statusCode == 201) {
+      return StoragePath.fromJson(json.decode(response.body));
+    }
+    throw ErrorMessage(ErrorCode.storagePathCreateFailed, httpStatusCode: response.statusCode);
+  }
+
+  @override
+  Future<StoragePath> updateStoragePath(StoragePath path) async {
+    assert(path.id != null);
+    final response = await httpClient.put(
+      Uri.parse('/api/storage_paths/${path.id}/'),
+      headers: {"Content-Type": "application/json"},
+      body: json.encode(path.toJson()),
+    );
+    if (response.statusCode == 200) {
+      return StoragePath.fromJson(json.decode(response.body));
+    }
+    throw const ErrorMessage(ErrorCode.unknown);
+  }
+}

lib/features/labels/repository/label_repository.dart

@@ -0,0 +1,32 @@
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/document_type.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/model/storage_path.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/tags/model/tag.model.dart';
+
+abstract class LabelRepository {
+  Future<Correspondent?> getCorrespondent(int id);
+  Future<List<Correspondent>> getCorrespondents();
+  Future<Correspondent> saveCorrespondent(Correspondent correspondent);
+  Future<Correspondent> updateCorrespondent(Correspondent correspondent);
+  Future<int> deleteCorrespondent(Correspondent correspondent);
+
+  Future<Tag?> getTag(int id);
+  Future<List<Tag>> getTags({List<int>? ids});
+  Future<Tag> saveTag(Tag tag);
+  Future<Tag> updateTag(Tag tag);
+  Future<int> deleteTag(Tag tag);
+
+  Future<DocumentType?> getDocumentType(int id);
+  Future<List<DocumentType>> getDocumentTypes();
+  Future<DocumentType> saveDocumentType(DocumentType type);
+  Future<DocumentType> updateDocumentType(DocumentType documentType);
+  Future<int> deleteDocumentType(DocumentType documentType);
+
+  Future<StoragePath?> getStoragePath(int id);
+  Future<List<StoragePath>> getStoragePaths();
+  Future<StoragePath> saveStoragePath(StoragePath path);
+  Future<StoragePath> updateStoragePath(StoragePath path);
+  Future<int> deleteStoragePath(StoragePath path);
+
+  Future<int> getStatistics();
+}

lib/features/labels/storage_path/bloc/storage_path_cubit.dart

@@ -0,0 +1,23 @@
+import 'package:flutter_paperless_mobile/core/bloc/label_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/correspondent/model/correspondent.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/model/storage_path.model.dart';
+import 'package:injectable/injectable.dart';
+
+@singleton
+class StoragePathCubit extends LabelCubit<StoragePath> {
+  StoragePathCubit(super.metaDataService);
+
+  @override
+  Future<void> initialize() async {
+    return labelRepository.getStoragePaths().then(loadFrom);
+  }
+
+  @override
+  Future<StoragePath> save(StoragePath item) => labelRepository.saveStoragePath(item);
+
+  @override
+  Future<StoragePath> update(StoragePath item) => labelRepository.updateStoragePath(item);
+
+  @override
+  Future<int> delete(StoragePath item) => labelRepository.deleteStoragePath(item);
+}

lib/features/labels/storage_path/model/storage_path.model.dart

@@ -0,0 +1,64 @@
+import 'package:flutter_paperless_mobile/core/type/json.dart';
+import 'package:flutter_paperless_mobile/extensions/dart_extensions.dart';
+import 'package:flutter_paperless_mobile/features/labels/document_type/model/matching_algorithm.dart';
+import 'package:flutter_paperless_mobile/features/labels/model/label.model.dart';
+
+class StoragePath extends Label {
+  static const pathKey = 'path';
+
+  late String? path;
+
+  StoragePath({
+    required super.id,
+    required super.name,
+    super.slug,
+    super.match,
+    super.matchingAlgorithm,
+    super.isInsensitive,
+    super.documentCount,
+    required this.path,
+  });
+
+  StoragePath.fromJson(JSON json)
+      : path = json[pathKey],
+        super.fromJson(json);
+
+  @override
+  String toString() {
+    return name;
+  }
+
+  @override
+  void addSpecificFieldsToJson(JSON json) {
+    json.tryPutIfAbsent(
+      pathKey,
+      () => path,
+    );
+  }
+
+  @override
+  StoragePath copyWith({
+    int? id,
+    String? name,
+    String? slug,
+    String? match,
+    MatchingAlgorithm? matchingAlgorithm,
+    bool? isInsensitive,
+    int? documentCount,
+    String? path,
+  }) {
+    return StoragePath(
+      id: id ?? this.id,
+      name: name ?? this.name,
+      documentCount: documentCount ?? documentCount,
+      isInsensitive: isInsensitive ?? isInsensitive,
+      path: path ?? this.path,
+      match: match ?? this.match,
+      matchingAlgorithm: matchingAlgorithm ?? this.matchingAlgorithm,
+      slug: slug ?? this.slug,
+    );
+  }
+
+  @override
+  String get queryEndpoint => 'storage_paths';
+}

lib/features/labels/storage_path/view/pages/add_storage_path_page.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/bloc/storage_path_cubit.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/model/storage_path.model.dart';
+import 'package:flutter_paperless_mobile/features/labels/storage_path/view/widgets/storage_path_autofill_form_builder_field.dart';
+import 'package:flutter_paperless_mobile/features/labels/view/pages/add_label_page.dart';
+import 'package:flutter_paperless_mobile/generated/l10n.dart';
+
+class AddStoragePathPage extends StatelessWidget {
+  final String? initalValue;
+  const AddStoragePathPage({Key? key, this.initalValue}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return AddLabelPage<StoragePath>(
+      addLabelStr: S.of(context).addStoragePathPageTitle,
+      fromJson: StoragePath.fromJson,
+      cubit: BlocProvider.of<StoragePathCubit>(context),
+      initialName: initalValue,
+      additionalFields: const [
+        StoragePathAutofillFormBuilderField(name: StoragePath.pathKey),
+        SizedBox(height: 120.0),
+      ],
+    );
+  }
+}