Deep linking

lib/main.dart

@@ -5,6 +5,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:invoiceninja_flutter/.env.dart';
 import 'package:invoiceninja_flutter/constants.dart';
+import 'package:invoiceninja_flutter/data/models/entities.dart';
 import 'package:invoiceninja_flutter/data/models/serializers.dart';
 import 'package:invoiceninja_flutter/main_app.dart';
 import 'package:invoiceninja_flutter/redux/app/app_middleware.dart';
@@ -139,6 +140,21 @@ Future<AppState> _initialState(bool isTesting) async {
     }
   }
 
+  String browserRoute;
+  if (kIsWeb && prefState.isDesktop) {
+    browserRoute = WebUtils.browserRoute;
+    if (browserRoute.isNotEmpty && browserRoute.length > 4) {
+      if (browserRoute == '/kanban') {
+        browserRoute = '/task';
+        prefState = prefState.rebuild((b) => b
+          ..showKanban = true
+          ..useSidebarEditor[EntityType.task] = true);
+      }
+    } else {
+      browserRoute = null;
+    }
+  }
+
   bool reportErrors = false;
   if (kIsWeb) {
     reportErrors = WebUtils.getHtmlValue('report-errors') == '1';
@@ -151,5 +167,6 @@ Future<AppState> _initialState(bool isTesting) async {
     prefState: prefState,
     url: Config.DEMO_MODE ? '' : url,
     reportErrors: reportErrors,
+    currentRoute: browserRoute,
   );
 }

lib/redux/app/app_middleware.dart

@@ -184,6 +184,7 @@ Middleware<AppState> _createLoadState(
     final action = dynamicAction as LoadStateRequest;
 
     try {
+      final state = store.state;
       final prefs = await SharedPreferences.getInstance();
       final appVersion = prefs.getString(kSharedPrefAppVersion);
 
@@ -204,7 +205,7 @@ Middleware<AppState> _createLoadState(
         throw 'New app version - clearing state';
       }
 
-      var prefState = store.state.prefState;
+      final prefState = state.prefState;
       authState = await authRepository.loadAuthState();
       uiState = await uiRepository.loadUIState();
       staticState = await staticRepository.loadStaticState();
@@ -212,18 +213,10 @@ Middleware<AppState> _createLoadState(
         companyStates.add(await companyRepositories[i].loadCompanyState(i));
       }
 
-      if (kIsWeb && prefState.isDesktop) {
-        var browserRoute = WebUtils.browserRoute;
-        if (browserRoute.isNotEmpty && browserRoute.length > 4) {
-          if (browserRoute == '/kanban') {
-            browserRoute = '/task';
-            prefState = prefState.rebuild((b) => b
-              ..showKanban = true
-              ..useSidebarEditor[EntityType.task] = true);
-          }
-
-          uiState = uiState.rebuild((b) => b..currentRoute = browserRoute);
-        }
+      // 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(

lib/redux/app/app_state.dart

@@ -94,6 +94,7 @@ abstract class AppState implements Built<AppState, AppStateBuilder> {
     @required PrefState prefState,
     @required bool reportErrors,
     String url,
+    String currentRoute,
   }) {
     return _$AppState._(
       isLoading: false,
@@ -106,7 +107,7 @@ abstract class AppState implements Built<AppState, AppStateBuilder> {
           List<int>.generate(kMaxNumberOfCompanies, (i) => i + 1)
               .map((index) => UserCompanyState(reportErrors))
               .toList()),
-      uiState: UIState(),
+      uiState: UIState(currentRoute: currentRoute),
       prefState: prefState ?? PrefState(),
     );
   }

lib/redux/ui/ui_state.dart

@@ -40,11 +40,11 @@ import 'package:invoiceninja_flutter/utils/strings.dart';
 part 'ui_state.g.dart';
 
 abstract class UIState implements Built<UIState, UIStateBuilder> {
-  factory UIState() {
+  factory UIState({String currentRoute}) {
     return _$UIState._(
       selectedCompanyIndex: 0,
       filterClearedAt: 0,
-      currentRoute: LoginScreen.route,
+      currentRoute: currentRoute ?? LoginScreen.route,
       previousRoute: '',
       previewStack: BuiltList<EntityType>(),
       dashboardUIState: DashboardUIState(),