fix #217

lib/app.dart

@@ -1,3 +1,4 @@
+import 'dart:io';
 import 'package:flutter/foundation.dart';
 import 'package:provider/provider.dart';
 import 'package:twonly/globals.dart';
@@ -5,6 +6,7 @@ import 'package:twonly/src/localization/generated/app_localizations.dart';
 import 'package:twonly/src/providers/connection.provider.dart';
 import 'package:twonly/src/providers/settings.provider.dart';
 import 'package:twonly/src/services/api/media_upload.dart';
+import 'package:twonly/src/utils/misc.dart';
 import 'package:twonly/src/utils/storage.dart';
 import 'package:twonly/src/views/onboarding/onboarding.view.dart';
 import 'package:twonly/src/views/home.view.dart';
@@ -12,6 +14,7 @@ import 'package:twonly/src/views/onboarding/register.view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'dart:async';
+import 'package:url_launcher/url_launcher.dart';
 
 // these two callbacks are called on updated to the corresponding database
 
@@ -24,6 +27,7 @@ class App extends StatefulWidget {
 
 class _AppState extends State<App> with WidgetsBindingObserver {
   bool wasPaused = false;
+  bool appIsOutdated = false;
 
   @override
   void initState() {
@@ -62,6 +66,12 @@ class _AppState extends State<App> with WidgetsBindingObserver {
 
   Future initAsync() async {
     setUserPlan();
+    globalCallbackAppIsOutdated = () async {
+      context.read<CustomChangeProvider>().updateConnectionState(false);
+      setState(() {
+        appIsOutdated = true;
+      });
+    };
     await apiService.connect(force: true);
     apiService.listenToNetworkChanges();
     // call this function so invalid media files are get purged
@@ -87,6 +97,7 @@ class _AppState extends State<App> with WidgetsBindingObserver {
   void dispose() {
     WidgetsBinding.instance.removeObserver(this);
     globalCallbackConnectionState = (a) {};
+    globalCallbackAppIsOutdated = () {};
     super.dispose();
   }
 
@@ -133,8 +144,10 @@ class _AppState extends State<App> with WidgetsBindingObserver {
           themeMode: context.watch<SettingsChangeProvider>().themeMode,
           initialRoute: '/',
           routes: {
-            "/": (context) => AppMainWidget(initialPage: 1),
+            "/": (context) =>
-            "/chats": (context) => AppMainWidget(initialPage: 0)
+                AppMainWidget(initialPage: 1, appIsOutdated: appIsOutdated),
+            "/chats": (context) =>
+                AppMainWidget(initialPage: 0, appIsOutdated: appIsOutdated)
           },
         );
       },
@@ -143,8 +156,10 @@ class _AppState extends State<App> with WidgetsBindingObserver {
 }
 
 class AppMainWidget extends StatefulWidget {
-  const AppMainWidget({super.key, required this.initialPage});
+  const AppMainWidget(
+      {super.key, required this.initialPage, required this.appIsOutdated});
   final int initialPage;
+  final bool appIsOutdated;
   @override
   State<AppMainWidget> createState() => _AppMainWidgetState();
 }
@@ -187,6 +202,55 @@ class _AppMainWidgetState extends State<AppMainWidget> {
                   );
           },
         ),
+        if (widget.appIsOutdated)
+          Positioned(
+            top: 60,
+            left: 30,
+            right: 30,
+            child: SafeArea(
+              child: Container(
+                padding: EdgeInsets.symmetric(vertical: 10, horizontal: 8),
+                decoration: BoxDecoration(
+                  color: Colors.red,
+                  borderRadius: BorderRadius.circular(10),
+                ),
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                  children: [
+                    Text(
+                      context.lang.appOutdated,
+                      textAlign: TextAlign.center,
+                      softWrap: true,
+                      style: Theme.of(context)
+                          .textTheme
+                          .bodyMedium
+                          ?.copyWith(color: Colors.white, fontSize: 16),
+                    ),
+                    if (Platform.isAndroid) SizedBox(height: 5),
+                    if (Platform.isAndroid)
+                      ElevatedButton(
+                        onPressed: () {
+                          launchUrl(Uri.parse(
+                              "https://play.google.com/store/apps/details?id=eu.twonly"));
+                        },
+                        style: ElevatedButton.styleFrom(
+                          shape: RoundedRectangleBorder(
+                            borderRadius: BorderRadius.circular(10),
+                          ),
+                        ),
+                        child: Text(
+                          context.lang.appOutdatedBtn,
+                          style: Theme.of(context)
+                              .textTheme
+                              .bodyMedium
+                              ?.copyWith(color: Colors.white, fontSize: 16),
+                        ),
+                      ),
+                  ],
+                ),
+              ),
+            ),
+          ),
       ],
     );
   }

lib/globals.dart

@@ -16,6 +16,7 @@ bool gIsDemoUser = false;
 
 // This callback called by the apiProvider
 Function(bool) globalCallbackConnectionState = (a) {};
+Function() globalCallbackAppIsOutdated = () {};
 
 bool globalIsAppInBackground = true;
 int globalBestFriendUserId = -1;

lib/src/localization/app_de.arb

@@ -298,5 +298,7 @@
     "backupTwonlySaveNow": "Jetzt speichern",
     "inviteFriends": "Freunde einladen",
     "inviteFriendsShareBtn": "Teilen",
-    "inviteFriendsShareText": "Wechseln wir zu twonly: {url}"
+    "inviteFriendsShareText": "Wechseln wir zu twonly: {url}",
+    "appOutdated": "Deine Version von twonly ist veraltet.",
+    "appOutdatedBtn": "Jetzt aktualisieren."
 }

lib/src/localization/app_en.arb

@@ -455,5 +455,7 @@
   "twonlySafeRecoverBtn": "Restore backup",
   "inviteFriends": "Invite your friends",
   "inviteFriendsShareBtn": "Share",
-  "inviteFriendsShareText": "Let's switch to twonly: {url}"
+  "inviteFriendsShareText": "Let's switch to twonly: {url}",
+  "appOutdated": "Your version of twonly is out of date.",
+  "appOutdatedBtn": "Update Now"
 }

lib/src/localization/generated/app_localizations.dart

@@ -1831,6 +1831,18 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Let\'s switch to twonly: {url}'**
   String inviteFriendsShareText(Object url);
+
+  /// No description provided for @appOutdated.
+  ///
+  /// In en, this message translates to:
+  /// **'Your version of twonly is out of date.'**
+  String get appOutdated;
+
+  /// No description provided for @appOutdatedBtn.
+  ///
+  /// In en, this message translates to:
+  /// **'Update Now'**
+  String get appOutdatedBtn;
 }
 
 class _AppLocalizationsDelegate

lib/src/localization/generated/app_localizations_de.dart

@@ -974,4 +974,10 @@ class AppLocalizationsDe extends AppLocalizations {
   String inviteFriendsShareText(Object url) {
     return 'Wechseln wir zu twonly: $url';
   }
+
+  @override
+  String get appOutdated => 'Deine Version von twonly ist veraltet.';
+
+  @override
+  String get appOutdatedBtn => 'Jetzt aktualisieren.';
 }

lib/src/localization/generated/app_localizations_en.dart

@@ -968,4 +968,10 @@ class AppLocalizationsEn extends AppLocalizations {
   String inviteFriendsShareText(Object url) {
     return 'Let\'s switch to twonly: $url';
   }
+
+  @override
+  String get appOutdated => 'Your version of twonly is out of date.';
+
+  @override
+  String get appOutdatedBtn => 'Update Now';
 }

lib/src/services/api.service.dart

@@ -48,6 +48,7 @@ class ApiService {
   final String apiHost = (kDebugMode) ? "10.99.0.140:3030" : "api.twonly.eu";
   final String apiSecure = (kDebugMode) ? "" : "s";
 
+  bool appIsOutdated = false;
   bool isAuthenticated = false;
   ApiService();
 
@@ -60,6 +61,7 @@ class ApiService {
   StreamSubscription<List<ConnectivityResult>>? connectivitySubscription;
 
   Future<bool> _connectTo(String apiUrl) async {
+    if (appIsOutdated) return false;
     try {
       var channel = IOWebSocketChannel.connect(
         Uri.parse(apiUrl),
@@ -303,6 +305,13 @@ class ApiService {
     Result res = asResult(await _waitForResponse(seq));
     if (res.isError) {
       Log.error("got error from server: ${res.error}");
+      if (res.error == ErrorCode.AppVersionOutdated) {
+        globalCallbackAppIsOutdated();
+        Log.error("App Version is OUTDATED.");
+        appIsOutdated = true;
+        await close(() {});
+        return Result.error(ErrorCode.InternalError);
+      }
       if (res.error == ErrorCode.SessionNotAuthenticated) {
         isAuthenticated = false;
         if (authenticated) {

lib/src/views/camera/camera_preview_components/save_to_gallery.dart

@@ -11,7 +11,7 @@ import 'package:twonly/src/utils/storage.dart';
 
 class SaveToGalleryButton extends StatefulWidget {
   final Future<Uint8List?> Function() getMergedImage;
-  final String? sendNextMediaToUserName;
+  final bool displayButtonLabel;
   final File? videoFilePath;
   final int? mediaUploadId;
   final bool isLoading;
@@ -20,7 +20,7 @@ class SaveToGalleryButton extends StatefulWidget {
     super.key,
     required this.getMergedImage,
     required this.isLoading,
-    this.sendNextMediaToUserName,
+    required this.displayButtonLabel,
     this.mediaUploadId,
     this.videoFilePath,
   });
@@ -107,8 +107,8 @@ class SaveToGalleryButtonState extends State<SaveToGalleryButton> {
               : _imageSaved
                   ? Icon(Icons.check)
                   : FaIcon(FontAwesomeIcons.floppyDisk),
-          if (widget.sendNextMediaToUserName == null) SizedBox(width: 10),
+          if (widget.displayButtonLabel) SizedBox(width: 10),
-          if (widget.sendNextMediaToUserName == null)
+          if (widget.displayButtonLabel)
             Text(_imageSaved
                 ? context.lang.shareImagedEditorSavedImage
                 : context.lang.shareImagedEditorSaveImage)

lib/src/views/camera/share_image_editor_view.dart

@@ -3,7 +3,6 @@ import 'dart:io';
 import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-import 'package:twonly/globals.dart';
 import 'package:twonly/src/model/protobuf/api/websocket/error.pb.dart'
     show ErrorCode;
 import 'package:twonly/src/services/api/media_upload.dart';
@@ -56,7 +55,6 @@ class ShareImageEditorView extends StatefulWidget {
 class _ShareImageEditorView extends State<ShareImageEditorView> {
   bool _isRealTwonly = false;
   int maxShowTime = gMediaShowInfinite;
-  String? sendNextMediaToUserName;
   double tabDownPosition = 0;
   bool sendingOrLoadingImage = true;
   bool loadingImage = true;
@@ -138,15 +136,6 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
     setState(() {});
   }
 
-  Future updateAsync(int userId) async {
-    if (sendNextMediaToUserName != null) return;
-    Contact? contact =
-        await twonlyDB.contactsDao.getContactByUserId(userId).getSingleOrNull();
-    if (contact != null) {
-      sendNextMediaToUserName = getContactDisplayName(contact);
-    }
-  }
-
   List<Widget> get actionsAtTheRight {
     if (layers.isNotEmpty &&
         layers.last.isEditing &&
@@ -449,10 +438,6 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
   Widget build(BuildContext context) {
     pixelRatio = MediaQuery.of(context).devicePixelRatio;
 
-    if (widget.sendTo != null) {
-      sendNextMediaToUserName = getContactDisplayName(widget.sendTo!);
-    }
-
     return Scaffold(
       backgroundColor:
           widget.sharedFromGallery ? null : Colors.white.withAlpha(0),
@@ -553,11 +538,11 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
                   getMergedImage: getMergedImage,
                   mediaUploadId: mediaUploadId,
                   videoFilePath: widget.videoFilePath,
-                  sendNextMediaToUserName: sendNextMediaToUserName,
+                  displayButtonLabel: widget.sendTo == null,
                   isLoading: loadingImage,
                 ),
-                if (sendNextMediaToUserName != null) SizedBox(width: 10),
+                if (widget.sendTo != null) SizedBox(width: 10),
-                if (sendNextMediaToUserName != null)
+                if (widget.sendTo != null)
                   OutlinedButton(
                     style: OutlinedButton.styleFrom(
                       iconColor: Theme.of(context).colorScheme.primary,
@@ -566,7 +551,7 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
                     onPressed: pushShareImageView,
                     child: FaIcon(FontAwesomeIcons.userPlus),
                   ),
-                SizedBox(width: sendNextMediaToUserName == null ? 20 : 10),
+                SizedBox(width: widget.sendTo == null ? 20 : 10),
                 FilledButton.icon(
                   icon: sendingOrLoadingImage
                       ? SizedBox(
@@ -589,9 +574,9 @@ class _ShareImageEditorView extends State<ShareImageEditorView> {
                     ),
                   ),
                   label: Text(
-                    (sendNextMediaToUserName == null)
+                    (widget.sendTo == null)
                         ? context.lang.shareImagedEditorShareWith
-                        : sendNextMediaToUserName!,
+                        : getContactDisplayName(widget.sendTo!),
                     style: TextStyle(fontSize: 17),
                   ),
                 ),