Moved network requests into seperate method,

called from initState using
WidgetsBinding.instance.addPostFrameCallback

FIXES: bug where edit room would reset
the input field content

lib/main.dart

@@ -38,7 +38,6 @@ final routesLoggedIn = RouteMap(routes: {
 
       return MaterialPage(child: EditRoomPage(server, tag));
     },
-
   }, onUnknownRoute: (_) => const Redirect('/'));
 
 void main() {
@@ -64,11 +63,24 @@ class _OutbagAppState extends State {
   void initState() {
     super.initState();
 
+    // wait for user to be authorized
+    User.listen((data) async {
+        try {
+          await User.fromDisk();
+          setState(() {
+              isAuthorized = true;
+          });
+        } catch (_) {}
+    });
+
+    WidgetsBinding.instance.addPostFrameCallback((_) => fetchInfo());
+  }
+
+  void fetchInfo() {
     // try to obtain user account information
     // with existing details
     // NOTE: also functions as a way to verify ther data
-    doNetworkRequest(
-      null,
+    doNetworkRequest(null,
       req: (user) => postWithCreadentials(
         target: (user?.server)!,
         path: 'getMyAccount',
@@ -106,18 +118,9 @@ class _OutbagAppState extends State {
         setState(() {
             isAuthorized = false;
         });
-        return true;
-      }
-    );
-
-    // wait for user to be authorized
-    User.listen((data) async {
-        try {
-          await User.fromDisk();
-          setState(() {
-              isAuthorized = true;
-          });
-        } catch (_) {}
+        // do not show snackbar,
+        // because the user was probably never logged in
+        return false;
     });
   }
 

lib/screens/home.dart

@@ -1,5 +1,3 @@
-import 'dart:convert';
-
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:outbag_app/backend/permissions.dart';
@@ -32,23 +30,20 @@ class _HomePageState extends State<HomePage> {
         });
       } catch (_) {}
     });
+
+    WidgetsBinding.instance.addPostFrameCallback((_) => fetchList());
   }
 
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-
+  void fetchList() async {
     final sm = ScaffoldMessenger.of(context);
 
     // load cached rooms
-    (() async {
     try {
       final newRooms = await Room.listRooms();
       setState(() {
           rooms = newRooms;
       });
     } catch (_) {}
-    })();
 
     doNetworkRequest(sm,
       req: (user) => postWithCreadentials(
@@ -63,7 +58,9 @@ class _HomePageState extends State<HomePage> {
         for (Room r in list) {
           await r.toDisk();
         }
-    });
+      },
+      onUserErr: ()=>false
+    );
   }
 
   @override

lib/screens/room/edit.dart

@@ -29,13 +29,6 @@ class _EditRoomPageState extends State<EditRoomPage> {
   // until data has been fetched
   bool showSpinner = true;
 
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-
-    fetchInfo();
-  }
-
   void initFromRoom(Room room) {
     _ctrID.text = room.id;
     _ctrName.text = room.name;
@@ -48,7 +41,7 @@ class _EditRoomPageState extends State<EditRoomPage> {
   }
 
   // fetch room information
-  void fetchInfo() async {
+  void fetchInfo() {
     final sm = ScaffoldMessenger.of(context);
     final rmaster = Routemaster.of(context);
 
@@ -110,6 +103,8 @@ class _EditRoomPageState extends State<EditRoomPage> {
         });
       } catch (_) {}
     });
+
+    WidgetsBinding.instance.addPostFrameCallback((_) => fetchInfo());
   }
 
   @override

lib/screens/room/join.dart

@@ -1,9 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
-import 'package:outbag_app/backend/errors.dart';
 import 'package:outbag_app/backend/request.dart';
 import 'package:outbag_app/backend/room.dart';
-import 'package:outbag_app/backend/user.dart';
 import 'package:outbag_app/tools/fetch_wrapper.dart';
 import 'package:routemaster/routemaster.dart';
 import 'dart:math';
@@ -18,10 +16,7 @@ class JoinRoomPage extends StatefulWidget {
 class _JoinRoomPageState extends State {
   List<Room> rooms = [];
 
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-
+  void fetchRooms() {
     final sm = ScaffoldMessenger.of(context);
 
     doNetworkRequest(null,
@@ -84,6 +79,8 @@ class _JoinRoomPageState extends State {
   @override
   void initState() {
     super.initState();
+
+    WidgetsBinding.instance.addPostFrameCallback((_) => fetchRooms());
   }
 
   @override

lib/screens/room/main.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:outbag_app/backend/request.dart';
 import 'package:outbag_app/backend/room.dart';
-import 'package:outbag_app/backend/user.dart';
 import 'package:outbag_app/screens/room/pages/about.dart';
 import 'package:outbag_app/screens/room/pages/categories.dart';
 import 'package:outbag_app/screens/room/pages/products.dart';
@@ -94,13 +93,8 @@ class _RoomPageState extends State<RoomPage> {
           });
         } catch (_) {}
     });
-  }
 
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-    // schedule info-get
-    fetchInfo();
+    WidgetsBinding.instance.addPostFrameCallback((_) => fetchInfo());
   }
 
   @override

lib/screens/room/pages/about.dart

@@ -1,13 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
-import 'package:outbag_app/backend/errors.dart';
 import 'package:outbag_app/backend/permissions.dart';
 import 'package:outbag_app/backend/request.dart';
 import 'package:outbag_app/backend/room.dart';
 import 'dart:math';
-
-import 'package:outbag_app/backend/user.dart';
-import 'package:outbag_app/screens/room/edit.dart';
 import 'package:outbag_app/tools/fetch_wrapper.dart';
 import 'package:routemaster/routemaster.dart';
 
@@ -22,11 +18,6 @@ class AboutRoomPage extends StatefulWidget {
 }
 
 class _AboutRoomPageState extends State<AboutRoomPage> {
-  @override
-  void initState() {
-    super.initState();
-  }
-
   @override
   Widget build(BuildContext context) {
     final textTheme = Theme.of(context)
@@ -192,13 +183,23 @@ class _AboutRoomPageState extends State<AboutRoomPage> {
                       ListTile(
                         trailing: const Icon(Icons.chevron_right),
                         title: const Text('OTA'),
-                        subtitle: const Text('Manage and delete OTAs'),
+                        subtitle: const Text('Add and delete OTAs'),
                         onTap: () {
                           // show manage ota screen
                           Routemaster.of(context).push(
                               '/r/${widget.room?.serverTag}/${widget.room?.id}/ota');
                         },
                       ),
+                      ListTile(
+                        trailing: const Icon(Icons.chevron_right),
+                        title: const Text('Invites'),
+                        subtitle: const Text('Invite people to this room'),
+                        onTap: () {
+                          // show manage ota screen
+                          Routemaster.of(context).push(
+                            '/r/${widget.room?.serverTag}/${widget.room?.id}/invite');
+                        },
+                      ),
                     ]
                   : [],
             ],