invoice/lib/redux/app/app_middleware.dart

595 lines
18 KiB
Dart

// Dart imports:
import 'dart:async';
import 'dart:convert';
import 'dart:math';
// Flutter imports:
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:invoiceninja_flutter/redux/settings/settings_actions.dart';
import 'package:invoiceninja_flutter/ui/app/screen_imports.dart';
import 'package:invoiceninja_flutter/utils/widgets.dart';
// Package imports:
import 'package:path_provider/path_provider.dart';
import 'package:redux/redux.dart';
import 'package:shared_preferences/shared_preferences.dart';
// Project imports:
import 'package:invoiceninja_flutter/.env.dart';
import 'package:invoiceninja_flutter/constants.dart';
import 'package:invoiceninja_flutter/data/file_storage.dart';
import 'package:invoiceninja_flutter/data/models/models.dart';
import 'package:invoiceninja_flutter/data/models/serializers.dart';
import 'package:invoiceninja_flutter/data/repositories/persistence_repository.dart';
import 'package:invoiceninja_flutter/main_app.dart';
import 'package:invoiceninja_flutter/redux/app/app_actions.dart';
import 'package:invoiceninja_flutter/redux/app/app_state.dart';
import 'package:invoiceninja_flutter/redux/auth/auth_actions.dart';
import 'package:invoiceninja_flutter/redux/auth/auth_state.dart';
import 'package:invoiceninja_flutter/redux/client/client_actions.dart';
import 'package:invoiceninja_flutter/redux/company/company_actions.dart';
import 'package:invoiceninja_flutter/redux/company/company_state.dart';
import 'package:invoiceninja_flutter/redux/dashboard/dashboard_actions.dart';
import 'package:invoiceninja_flutter/redux/static/static_state.dart';
import 'package:invoiceninja_flutter/redux/ui/pref_state.dart';
import 'package:invoiceninja_flutter/redux/ui/ui_actions.dart';
import 'package:invoiceninja_flutter/redux/ui/ui_state.dart';
import 'package:invoiceninja_flutter/ui/app/app_builder.dart';
import 'package:invoiceninja_flutter/ui/app/main_screen.dart';
import 'package:invoiceninja_flutter/ui/auth/login_vm.dart';
import 'package:invoiceninja_flutter/utils/completers.dart';
import 'package:invoiceninja_flutter/utils/formatting.dart';
import 'package:invoiceninja_flutter/utils/platforms.dart';
// ignore: unused_import
import 'package:invoiceninja_flutter/utils/web_stub.dart'
if (dart.library.html) 'package:invoiceninja_flutter/utils/web.dart';
List<Middleware<AppState>> createStorePersistenceMiddleware([
PersistenceRepository authRepository = const PersistenceRepository(
fileStorage: const FileStorage(
'auth_state',
getApplicationDocumentsDirectory,
),
),
PersistenceRepository uiRepository = const PersistenceRepository(
fileStorage: const FileStorage(
'ui_state',
getApplicationDocumentsDirectory,
),
),
PersistenceRepository staticRepository = const PersistenceRepository(
fileStorage: const FileStorage(
'static_state',
getApplicationDocumentsDirectory,
),
),
List<PersistenceRepository> companyRepositories = const [
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_0',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_1',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_2',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_3',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_4',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_5',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_6',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_7',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_8',
getApplicationDocumentsDirectory,
),
),
const PersistenceRepository(
fileStorage: const FileStorage(
'company_state_9',
getApplicationDocumentsDirectory,
),
),
],
]) {
final loadState = _createLoadState(
authRepository,
uiRepository,
staticRepository,
companyRepositories,
);
final accountLoaded = _createAccountLoaded();
final dataRefreshed = _createDataRefreshed();
final persistData = _createPersistData(
companyRepositories,
);
final persistStatic = _createPersistStatic(staticRepository);
final userLoggedIn = _createUserLoggedIn(
authRepository,
uiRepository,
staticRepository,
companyRepositories,
);
final persistUI = _createPersistUI(uiRepository);
final persistPrefs = _createPersistPrefs();
final clearDataState = _createClearData(companyRepositories);
final deleteState = _createDeleteState(
authRepository,
uiRepository,
staticRepository,
companyRepositories,
);
final viewMainScreen = _createViewMainScreen();
return [
TypedMiddleware<AppState, UserLogout>(deleteState),
TypedMiddleware<AppState, LoadStateRequest>(loadState),
TypedMiddleware<AppState, UserLoginSuccess>(userLoggedIn),
TypedMiddleware<AppState, LoadAccountSuccess>(accountLoaded),
TypedMiddleware<AppState, RefreshDataSuccess>(dataRefreshed),
TypedMiddleware<AppState, PersistData>(persistData),
TypedMiddleware<AppState, PersistStatic>(persistStatic),
TypedMiddleware<AppState, PersistUI>(persistUI),
TypedMiddleware<AppState, PersistPrefs>(persistPrefs),
TypedMiddleware<AppState, ViewMainScreen>(viewMainScreen),
TypedMiddleware<AppState, ClearPersistedData>(clearDataState),
];
}
Middleware<AppState> _createLoadState(
PersistenceRepository authRepository,
PersistenceRepository uiRepository,
PersistenceRepository staticRepository,
List<PersistenceRepository> companyRepositories,
) {
AuthState authState;
UIState uiState;
StaticState staticState;
final List<UserCompanyState> companyStates = [];
return (Store<AppState> store, dynamic dynamicAction,
NextDispatcher next) async {
final action = dynamicAction as LoadStateRequest;
try {
final state = store.state;
final prefState = state.prefState;
authState = await authRepository.loadAuthState();
uiState = await uiRepository.loadUIState();
staticState = await staticRepository.loadStaticState();
for (var i = 0; i < companyRepositories.length; i++) {
var companyState = UserCompanyState(state.reportErrors);
try {
companyState = await companyRepositories[i].loadCompanyState(i);
} catch (e) {
// do nothing
}
companyStates.add(companyState);
}
// Carry over a deeplink URL on the web
if (state.uiState.currentRoute != LoginScreen.route) {
uiState = uiState
.rebuild((b) => b..currentRoute = state.uiState.currentRoute);
}
final AppState appState = AppState(
prefState: prefState,
isWhiteLabeled: store.state.isWhiteLabeled,
reportErrors: store.state.account.reportErrors)
.rebuild((b) => b
..authState.replace(authState)
..uiState.replace(uiState)
..staticState.replace(staticState)
..userCompanyStates.replace(companyStates));
AppBuilder.of(navigatorKey.currentContext).rebuild();
store.dispatch(LoadStateSuccess(appState));
store.dispatch(RefreshData(
completer: Completer<Null>()
..future.then((value) {
AppBuilder.of(navigatorKey.currentContext).rebuild();
store.dispatch(UpdatedSetting());
})));
if (uiState.currentRoute != LoginScreen.route &&
uiState.currentRoute.isNotEmpty) {
final NavigatorState navigator = navigatorKey.currentState;
final routes = _getRoutes(appState);
if (appState.prefState.appLayout == AppLayout.mobile) {
bool isFirst = true;
routes.forEach((route) {
if (isFirst) {
navigator.pushReplacementNamed(route);
} else {
navigator.pushNamed(route);
}
isFirst = false;
});
} else {
if (routes.isEmpty || routes.last == DashboardScreenBuilder.route) {
store.dispatch(ViewDashboard());
} else {
store.dispatch(UpdateCurrentRoute(routes.last));
}
store.dispatch(ViewMainScreen());
}
} else {
throw 'Unknown page: ${uiState.currentRoute}';
}
} catch (error) {
print('## ERROR (app_middleware - load state): $error');
String token;
if (Config.DEMO_MODE ||
cleanApiUrl(store.state.authState.url) == kAppDemoUrl) {
token = 'TOKEN';
} else {
final SharedPreferences prefs = await SharedPreferences.getInstance();
token = prefs.getString(kSharedPrefToken) ?? '';
if (token.isNotEmpty) {
token = TokenEntity.unobscureToken(token);
}
}
if (token.isNotEmpty) {
if (calculateLayout(navigatorKey.currentContext) == AppLayout.mobile) {
store.dispatch(UpdateUserPreferences(appLayout: AppLayout.mobile));
} else {
store.dispatch(ViewMainScreen());
}
WidgetsBinding.instance.addPostFrameCallback((duration) {
store.dispatch(ViewDashboard());
});
AppBuilder.of(navigatorKey.currentContext).rebuild();
} else {
store.dispatch(UserLogout());
}
}
next(action);
};
}
List<String> _getRoutes(AppState state) {
final List<String> routes = [];
var route = '';
EntityType entityType;
state.uiState.currentRoute
.split('/')
.where((part) => part.isNotEmpty)
.forEach((part) {
if (part == 'edit') {
// Only restore new unsaved entities to prevent conflicts
final bool isNew = state.getUIState(entityType)?.isCreatingNew ?? false;
if (isNew) {
route += '/edit';
}
} else if (part == 'view') {
// do nothing
} else {
if (![kMain, kDashboard, kSettings].contains(part) &&
entityType == null) {
try {
entityType = EntityType.valueOf(part);
} catch (e) {
// do nothing
}
}
if (part != 'pdf' && part != 'email') {
route += '/' + part;
}
}
routes.add(route);
});
return routes;
}
Middleware<AppState> _createUserLoggedIn(
PersistenceRepository authRepository,
PersistenceRepository uiRepository,
PersistenceRepository staticRepository,
List<PersistenceRepository> companyRepositories,
) {
return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
final action = dynamicAction as UserLoginSuccess;
next(action);
final state = store.state;
authRepository.saveAuthState(state.authState);
uiRepository.saveUIState(state.uiState);
staticRepository.saveStaticState(state.staticState);
if (state.prefState.persistData) {
for (var i = 0; i < state.userCompanyStates.length; i++) {
companyRepositories[i].saveCompanyState(state.userCompanyStates[i]);
}
}
};
}
Middleware<AppState> _createPersistData(
List<PersistenceRepository> companyRepositories,
) {
return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
final action = dynamicAction as PersistData;
next(action);
final state = store.state;
final index = state.uiState.selectedCompanyIndex;
final companyState = state.userCompanyStates[index];
if (state.prefState.persistData) {
companyRepositories[index].saveCompanyState(companyState);
}
};
}
final _persistUIDebouncer = PersistDebouncer();
Middleware<AppState> _createPersistUI(PersistenceRepository uiRepository) {
return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
final action = dynamicAction as PersistUI;
next(action);
_persistUIDebouncer.run(() {
uiRepository.saveUIState(store.state.uiState);
});
};
}
Middleware<AppState> _createPersistPrefs() {
return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
final action = dynamicAction as PersistPrefs;
next(action);
final string =
serializers.serializeWith(PrefState.serializer, store.state.prefState);
SharedPreferences.getInstance()
.then((prefs) => prefs.setString(kSharedPrefs, json.encode(string)));
};
}
Middleware<AppState> _createAccountLoaded() {
return (Store<AppState> store, dynamic dynamicAction,
NextDispatcher next) async {
final action = dynamicAction as LoadAccountSuccess;
final response = action.loginResponse;
final loadedStaticData = response.static.currencies.isNotEmpty;
if (loadedStaticData) {
store.dispatch(LoadStaticSuccess(data: response.static));
}
int selectedCompanyIndex = 0;
try {
print('## Account Loaded: ${response.userCompanies.length}');
for (int i = 0;
i < min(response.userCompanies.length, kMaxNumberOfCompanies);
i++) {
final UserCompanyEntity userCompany = response.userCompanies[i];
if (i == 0) {
final SharedPreferences prefs = await SharedPreferences.getInstance();
prefs.setString(kSharedPrefToken, userCompany.token.obscuredToken);
}
store.dispatch(
SelectCompany(companyIndex: i, clearSelection: loadedStaticData));
store.dispatch(LoadCompanySuccess(userCompany));
if (store.state.account.defaultCompanyId == userCompany.company.id) {
selectedCompanyIndex = i;
}
}
} catch (error) {
action.completer?.completeError(error);
rethrow;
}
store.dispatch(SelectCompany(
companyIndex: selectedCompanyIndex, clearSelection: loadedStaticData));
store.dispatch(UserLoginSuccess());
if (!store.state.userCompanyState.isLoaded &&
response.userCompanies.isNotEmpty && // TODO remove this check
response.userCompanies.length > selectedCompanyIndex &&
response.userCompanies[selectedCompanyIndex].company.isLarge) {
store.dispatch(LoadClients());
}
if (action.completer != null) {
action.completer.complete(null);
}
next(action);
WidgetUtils.updateData();
};
}
Middleware<AppState> _createDataRefreshed() {
return (Store<AppState> store, dynamic dynamicAction,
NextDispatcher next) async {
final action = dynamicAction as RefreshDataSuccess;
final response = action.data;
final loadedStaticData = response.static.currencies.isNotEmpty;
final state = store.state;
final selectedCompanyIndex = state.uiState.selectedCompanyIndex;
if (loadedStaticData) {
store.dispatch(LoadStaticSuccess(data: response.static));
}
try {
if (response.userCompanies.length == 1) {
final userCompany = response.userCompanies.first;
store.dispatch(LoadCompanySuccess(userCompany));
} else {
for (int i = 0;
i < min(response.userCompanies.length, kMaxNumberOfCompanies);
i++) {
final UserCompanyEntity userCompany = response.userCompanies[i];
if (i == 0) {
final SharedPreferences prefs =
await SharedPreferences.getInstance();
prefs.setString(kSharedPrefToken, userCompany.token.obscuredToken);
}
store.dispatch(
SelectCompany(companyIndex: i, clearSelection: loadedStaticData));
store.dispatch(LoadCompanySuccess(userCompany));
}
if (store.state.uiState.selectedCompanyIndex != selectedCompanyIndex) {
store.dispatch(SelectCompany(companyIndex: selectedCompanyIndex));
}
}
} catch (error) {
action.completer?.completeError(error);
rethrow;
}
store.dispatch(PersistData());
if (action.completer != null) {
action.completer.complete(null);
}
next(action);
WidgetUtils.updateData();
if (store.state.company.isLarge && !store.state.isLoaded) {
store.dispatch(LoadClients());
}
};
}
Middleware<AppState> _createPersistStatic(
PersistenceRepository staticRepository) {
return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
final action = dynamicAction as PersistStatic;
// first process the action so the data is in the state
next(action);
staticRepository.saveStaticState(store.state.staticState);
};
}
Middleware<AppState> _createDeleteState(
PersistenceRepository authRepository,
PersistenceRepository uiRepository,
PersistenceRepository staticRepository,
List<PersistenceRepository> companyRepositories,
) {
return (Store<AppState> store, dynamic action, NextDispatcher next) async {
authRepository.delete();
uiRepository.delete();
staticRepository.delete();
companyRepositories.forEach((repo) => repo.delete());
final SharedPreferences prefs = await SharedPreferences.getInstance();
prefs.remove(kSharedPrefToken);
prefs.remove(kSharedPrefUrl);
next(action);
};
}
Middleware<AppState> _createViewMainScreen() {
return (Store<AppState> store, dynamic dynamicAction, NextDispatcher next) {
final action = dynamicAction as ViewMainScreen;
if (store.state.uiState.currentRoute == LoginScreen.route) {
store.dispatch(UpdateCurrentRoute(
store.state.userCompany.canViewDashboard || store.state.isDemo
? DashboardScreenBuilder.route
: ClientScreen.route));
}
while (navigatorKey.currentState.canPop()) {
navigatorKey.currentState.pop();
}
WidgetsBinding.instance.addPostFrameCallback((duration) {
navigatorKey.currentState.pushNamed(MainScreen.route);
});
next(action);
};
}
Middleware<AppState> _createClearData(
List<PersistenceRepository> companyRepositories,
) {
return (Store<AppState> store, dynamic action, NextDispatcher next) async {
companyRepositories.forEach((repo) => repo.delete());
store.dispatch(PersistData());
next(action);
};
}