501 lines
15 KiB
Dart
501 lines
15 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/material.dart' as prefix0;
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import 'package:invoiceninja_flutter/.env.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/widgets.dart';
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import 'package:invoiceninja_flutter/constants.dart';
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import 'package:invoiceninja_flutter/data/file_storage.dart';
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import 'package:invoiceninja_flutter/data/models/models.dart';
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import 'package:invoiceninja_flutter/data/models/serializers.dart';
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import 'package:invoiceninja_flutter/data/repositories/persistence_repository.dart';
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import 'package:invoiceninja_flutter/redux/app/app_actions.dart';
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import 'package:invoiceninja_flutter/redux/app/app_state.dart';
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import 'package:invoiceninja_flutter/redux/auth/auth_actions.dart';
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import 'package:invoiceninja_flutter/redux/auth/auth_state.dart';
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import 'package:invoiceninja_flutter/redux/company/company_actions.dart';
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import 'package:invoiceninja_flutter/redux/company/company_state.dart';
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import 'package:invoiceninja_flutter/redux/dashboard/dashboard_actions.dart';
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import 'package:invoiceninja_flutter/redux/settings/settings_actions.dart';
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import 'package:invoiceninja_flutter/redux/static/static_state.dart';
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import 'package:invoiceninja_flutter/redux/ui/pref_state.dart';
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import 'package:invoiceninja_flutter/redux/ui/ui_actions.dart';
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import 'package:invoiceninja_flutter/redux/ui/ui_state.dart';
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import 'package:invoiceninja_flutter/ui/app/app_builder.dart';
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import 'package:invoiceninja_flutter/ui/app/dialogs/alert_dialog.dart';
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import 'package:invoiceninja_flutter/ui/app/main_screen.dart';
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import 'package:invoiceninja_flutter/ui/auth/login_vm.dart';
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import 'package:invoiceninja_flutter/ui/dashboard/dashboard_screen_vm.dart';
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import 'package:invoiceninja_flutter/utils/localization.dart';
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import 'package:invoiceninja_flutter/utils/platforms.dart';
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import 'package:redux/redux.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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List<Middleware<AppState>> createStorePersistenceMiddleware([
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PersistenceRepository authRepository = const PersistenceRepository(
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fileStorage: const FileStorage(
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'auth_state',
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getApplicationDocumentsDirectory,
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),
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),
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PersistenceRepository uiRepository = const PersistenceRepository(
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fileStorage: const FileStorage(
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'ui_state',
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getApplicationDocumentsDirectory,
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),
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),
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PersistenceRepository staticRepository = const PersistenceRepository(
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fileStorage: const FileStorage(
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'static_state',
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getApplicationDocumentsDirectory,
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),
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),
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List<PersistenceRepository> companyRepositories = const [
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_0',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_1',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_2',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_3',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_4',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_5',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_6',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_7',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_8',
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getApplicationDocumentsDirectory,
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),
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),
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const PersistenceRepository(
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fileStorage: const FileStorage(
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'company_state_9',
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getApplicationDocumentsDirectory,
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),
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),
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],
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]) {
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final loadState = _createLoadState(
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authRepository,
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uiRepository,
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staticRepository,
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companyRepositories,
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);
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final accountLoaded = _createAccountLoaded();
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final persistData = _createPersistData(
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companyRepositories,
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);
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final persistStatic = _createPersistStatic(staticRepository);
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final userLoggedIn = _createUserLoggedIn(
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authRepository,
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uiRepository,
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staticRepository,
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companyRepositories,
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);
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final persistUI = _createPersistUI(uiRepository);
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final persistPrefs = _createPersistPrefs();
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final deleteState = _createDeleteState(
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authRepository,
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uiRepository,
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staticRepository,
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companyRepositories,
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);
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final viewMainScreen = _createViewMainScreen();
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return [
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TypedMiddleware<AppState, UserLogout>(deleteState),
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TypedMiddleware<AppState, LoadStateRequest>(loadState),
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TypedMiddleware<AppState, UserLoginSuccess>(userLoggedIn),
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TypedMiddleware<AppState, LoadAccountSuccess>(accountLoaded),
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TypedMiddleware<AppState, PersistData>(persistData),
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TypedMiddleware<AppState, PersistStatic>(persistStatic),
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TypedMiddleware<AppState, PersistUI>(persistUI),
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TypedMiddleware<AppState, PersistPrefs>(persistPrefs),
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TypedMiddleware<AppState, ViewMainScreen>(viewMainScreen),
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];
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}
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Middleware<AppState> _createLoadState(
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PersistenceRepository authRepository,
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PersistenceRepository uiRepository,
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PersistenceRepository staticRepository,
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List<PersistenceRepository> companyRepositories,
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) {
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AuthState authState;
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UIState uiState;
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StaticState staticState;
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final List<UserCompanyState> companyStates = [];
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return (Store<AppState> store, dynamic dynamicAction,
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NextDispatcher next) async {
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final action = dynamicAction as LoadStateRequest;
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try {
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if (kIsWeb) {
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throw 'Local storage not yet supported on web';
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}
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final prefs = await SharedPreferences.getInstance();
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final appVersion = prefs.getString(kSharedPrefAppVersion);
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prefs.setString(kSharedPrefAppVersion, kAppVersion);
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if (appVersion != kAppVersion) {
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throw 'New app version - clearing state';
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}
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authState = await authRepository.loadAuthState();
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uiState = await uiRepository.loadUIState();
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staticState = await staticRepository.loadStaticState();
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for (var i = 0; i < companyRepositories.length; i++) {
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companyStates.add(await companyRepositories[i].loadCompanyState(i));
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}
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final AppState appState = AppState(prefState: store.state.prefState)
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.rebuild((b) => b
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..authState.replace(authState)
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..uiState.replace(uiState)
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..staticState.replace(staticState)
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..userCompanyStates.replace(companyStates));
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AppBuilder.of(action.context).rebuild();
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store.dispatch(LoadStateSuccess(appState));
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if (appState.staticState.isStale) {
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store.dispatch(RefreshData(
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loadCompanies: false,
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platform: getPlatform(action.context),
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));
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}
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if (uiState.currentRoute != LoginScreen.route &&
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uiState.currentRoute.isNotEmpty) {
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final NavigatorState navigator = Navigator.of(action.context);
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final routes = _getRoutes(appState);
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if (appState.prefState.layout == AppLayout.mobile) {
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bool isFirst = true;
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routes.forEach((route) {
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if (isFirst) {
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navigator.pushReplacementNamed(route);
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} else {
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navigator.pushNamed(route);
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}
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isFirst = false;
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});
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} else {
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store.dispatch(
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UpdateCurrentRoute(routes.isEmpty ? '/dashboard' : routes.last));
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store.dispatch(ViewMainScreen(action.context));
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}
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} else {
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throw 'Unknown page';
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}
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} catch (error) {
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print(error);
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String token;
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if (kIsWeb) {
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token = Config.DEMO_MODE ? 'DEMO' : '';
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} else {
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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token = prefs.getString(kSharedPrefToken) ?? '';
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}
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if (token.isNotEmpty) {
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final Completer<Null> completer = Completer<Null>();
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completer.future.then((_) {
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final layout = calculateLayout(action.context);
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if (store.state.prefState.layout == AppLayout.tablet &&
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layout == AppLayout.mobile) {
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store.dispatch(UserSettingsChanged(layout: layout));
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store.dispatch(ViewDashboard(context: action.context));
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} else {
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store.dispatch(ViewMainScreen(action.context));
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}
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}).catchError((Object error) {
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print('Error: $error');
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store.dispatch(UserLogout(action.context));
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});
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store.dispatch(RefreshData(
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platform: getPlatform(action.context),
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completer: completer,
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));
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} else {
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store.dispatch(UserLogout(action.context));
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}
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}
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next(action);
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};
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}
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List<String> _getRoutes(AppState state) {
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final List<String> routes = [];
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var route = '';
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EntityType entityType;
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state.uiState.currentRoute
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.split('/')
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.where((part) => part.isNotEmpty)
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.forEach((part) {
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if (part == 'edit') {
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// Only restore new unsaved entities to prevent conflicts
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final bool isNew = state.getUIState(entityType).isCreatingNew;
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if (isNew) {
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route += '/edit';
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} else if (entityType != EntityType.product) {
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route += '/view';
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}
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} else {
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if (![kMain, kDashboard, kSettings].contains(part) &&
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entityType == null) {
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try {
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entityType = EntityType.valueOf(part);
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} catch (e) {
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// do nothing
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}
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}
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route += '/' + part;
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}
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routes.add(route);
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});
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return routes;
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}
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Middleware<AppState> _createUserLoggedIn(
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PersistenceRepository authRepository,
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PersistenceRepository uiRepository,
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PersistenceRepository staticRepository,
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List<PersistenceRepository> companyRepositories,
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) {
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return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
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final action = dynamicAction as UserLoginSuccess;
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next(action);
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if (!kIsWeb) {
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final state = store.state;
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authRepository.saveAuthState(state.authState);
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uiRepository.saveUIState(state.uiState);
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staticRepository.saveStaticState(state.staticState);
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for (var i = 0; i < state.userCompanyStates.length; i++) {
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companyRepositories[i].saveCompanyState(state.userCompanyStates[i]);
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}
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}
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};
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}
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Middleware<AppState> _createPersistUI(PersistenceRepository uiRepository) {
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return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
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final action = dynamicAction as PersistUI;
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next(action);
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if (kIsWeb) {
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return;
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}
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uiRepository.saveUIState(store.state.uiState);
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};
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}
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Middleware<AppState> _createPersistPrefs() {
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return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
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final action = dynamicAction as PersistUI;
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next(action);
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if (kIsWeb) {
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return;
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}
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final string =
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serializers.serializeWith(PrefState.serializer, store.state.prefState);
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SharedPreferences.getInstance()
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.then((prefs) => prefs.setString(kSharedPrefs, json.encode(string)));
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};
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}
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Middleware<AppState> _createAccountLoaded() {
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return (Store<AppState> store, dynamic dynamicAction,
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NextDispatcher next) async {
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final action = dynamicAction as LoadAccountSuccess;
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final response = action.loginResponse;
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store.dispatch(LoadStaticSuccess(data: response.static));
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if (action.loadCompanies) {
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for (int i = 0; i < response.userCompanies.length; i++) {
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final UserCompanyEntity userCompany = response.userCompanies[i];
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if (i == 0 && !kIsWeb) {
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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prefs.setString(kSharedPrefToken, userCompany.token.token);
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}
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store.dispatch(SelectCompany(i, userCompany));
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store.dispatch(LoadCompanySuccess(userCompany));
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}
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store.dispatch(SelectCompany(0, response.userCompanies[0]));
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store.dispatch(UserLoginSuccess());
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}
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if (action.completer != null) {
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action.completer.complete(null);
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}
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};
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}
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Middleware<AppState> _createPersistStatic(
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PersistenceRepository staticRepository) {
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return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
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final action = dynamicAction as PersistStatic;
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// first process the action so the data is in the state
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next(action);
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if (kIsWeb) {
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return;
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}
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staticRepository.saveStaticState(store.state.staticState);
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};
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}
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Middleware<AppState> _createPersistData(
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List<PersistenceRepository> companyRepositories,
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) {
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return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
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final action = dynamicAction as PersistData;
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next(action);
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if (kIsWeb) {
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return;
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}
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final AppState state = store.state;
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final index = state.uiState.selectedCompanyIndex;
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companyRepositories[index].saveCompanyState(state.userCompanyStates[index]);
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};
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}
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Middleware<AppState> _createDeleteState(
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PersistenceRepository authRepository,
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PersistenceRepository uiRepository,
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PersistenceRepository staticRepository,
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List<PersistenceRepository> companyRepositories,
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) {
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return (Store<AppState> store, dynamic action, NextDispatcher next) async {
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if (kIsWeb) {
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next(action);
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return;
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}
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authRepository.delete();
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uiRepository.delete();
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staticRepository.delete();
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companyRepositories.forEach((repo) => repo.delete());
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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prefs.setString(kSharedPrefToken, '');
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next(action);
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};
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}
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Middleware<AppState> _createViewMainScreen() {
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return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
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final action = dynamicAction as ViewMainScreen;
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next(action);
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if (store.state.uiState.currentRoute == LoginScreen.route) {
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store.dispatch(UpdateCurrentRoute(DashboardScreenBuilder.route));
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}
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Navigator.of(action.context).pushNamedAndRemoveUntil(
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MainScreen.route, (Route<dynamic> route) => false);
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};
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}
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bool hasChanges({
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@required Store<AppState> store,
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@required BuildContext context,
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@required dynamic action,
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}) {
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final localization = AppLocalization.of(context);
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if (context == null) {
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print('WARNING: context is null in hasChanges');
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return false;
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}
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if (store.state.hasChanges() && !isMobile(context)) {
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showDialog<MessageDialog>(
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context: context,
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builder: (BuildContext context) {
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return MessageDialog(localization.errorUnsavedChanges,
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dismissLabel: localization.continueEditing, onDiscard: () {
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store.dispatch(DiscardChanges());
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store.dispatch(ResetSettings());
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store.dispatch(action);
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});
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});
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return true;
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} else {
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return false;
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}
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}
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