Load configuration at application startup

lib/helpers/account_helper.dart

@@ -5,7 +5,6 @@ import 'package:comunic/models/api_request.dart';
 import 'package:comunic/models/authentication_details.dart';
 import 'package:comunic/models/new_account.dart';
 import 'package:comunic/models/res_check_password_reset_token.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 /// Account helper
 ///
@@ -26,8 +25,6 @@ enum CreateAccountResult {
 }
 
 class AccountHelper {
-  static const _USER_ID_PREFERENCE_NAME = "user_id";
-
   // Current user ID
   static int _currentUserID = -1;
 
@@ -71,8 +68,8 @@ class AccountHelper {
     }
 
     // Save current user ID
-    final preferences = await SharedPreferences.getInstance();
-    await preferences.setInt(_USER_ID_PREFERENCE_NAME, userID);
+    final preferences = await PreferencesHelper.getInstance();
+    await preferences.setInt(PreferencesKeyList.USER_ID, userID);
     _currentUserID = userID;
 
     return AuthResult.SUCCESS;
@@ -82,7 +79,9 @@ class AccountHelper {
   Future<void> signOut() async {
     await APIRequest.withLogin("account/logout").exec();
 
-    await (await PreferencesHelper.getInstance()).setLoginToken(null);
+    final preferencesHelper = await PreferencesHelper.getInstance();
+    await preferencesHelper.setLoginToken(null);
+    await preferencesHelper.setInt(PreferencesKeyList.USER_ID, -1);
     _currentUserID = 0;
 
     // Close current web socket
@@ -202,8 +201,8 @@ class AccountHelper {
 
   /// Get the ID of the currently signed in user
   Future<void> _loadCurrentUserID() async {
-    final preferences = await SharedPreferences.getInstance();
-    _currentUserID = preferences.getInt(_USER_ID_PREFERENCE_NAME);
+    final preferences = await PreferencesHelper.getInstance();
+    _currentUserID = preferences.getInt(PreferencesKeyList.USER_ID);
   }
 
   /// Check if current user ID is loaded or not

lib/helpers/preferences_helper.dart

@@ -8,6 +8,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 /// @author Pierre HUBERT
 
 enum PreferencesKeyList {
+  USER_ID,
   LOGIN_TOKEN,
   ENABLE_DARK_THEME,
   FORCE_MOBILE_MODE,
@@ -15,6 +16,7 @@ enum PreferencesKeyList {
 }
 
 const _PreferenceKeysName = {
+  PreferencesKeyList.USER_ID: "user_id",
   PreferencesKeyList.LOGIN_TOKEN: "login_token",
   PreferencesKeyList.ENABLE_DARK_THEME: "dark_theme",
   PreferencesKeyList.FORCE_MOBILE_MODE: "force_mobile_mode",
@@ -76,6 +78,14 @@ class PreferencesHelper {
     return await _sharedPreferences.setBool(_PreferenceKeysName[key], value);
   }
 
+  Future<bool> setInt(PreferencesKeyList key, int value) async {
+    return await _sharedPreferences.setInt(_PreferenceKeysName[key], value);
+  }
+
+  int getInt(PreferencesKeyList key) {
+    return _sharedPreferences.getInt(_PreferenceKeysName[key]);
+  }
+
   bool getBool(PreferencesKeyList key, {bool alternative = false}) {
     final v = _sharedPreferences.getBool(_PreferenceKeysName[key]);
     return v == null ? alternative : v;

lib/main.dart

@@ -1,7 +1,6 @@
 import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/helpers/database/database_helper.dart';
 import 'package:comunic/helpers/preferences_helper.dart';
-import 'package:comunic/ui/routes/login_route.dart';
 import 'package:comunic/ui/widgets/init_widget.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:flutter/material.dart';
@@ -51,7 +50,7 @@ class ComunicApplicationState extends State<ComunicApplication> {
 
     return MaterialApp(
       debugShowCheckedModeBanner: false,
-      home: AccountHelper.isUserIDLoaded ? InitializeWidget() : LoginRoute(),
+      home: InitializeWidget(),
       theme: prefs.enableDarkMode ? ThemeData.dark() : null,
       showPerformanceOverlay: prefs.showPerformancesOverlay,
     );

lib/ui/routes/main_route/main_route.dart

@@ -1,6 +1,5 @@
 import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/ui/routes/conversation_route.dart';
-import 'package:comunic/ui/routes/login_route.dart';
 import 'package:comunic/ui/routes/main_route/page_info.dart';
 import 'package:comunic/ui/routes/settings/account_settings_route.dart';
 import 'package:comunic/ui/screens/call_screen.dart';
@@ -170,10 +169,6 @@ abstract class MainController extends State<MainRoute> {
     popUntilMainRoute();
 
     await AccountHelper().signOut();
-
-    Navigator.pushReplacement(context, MaterialPageRoute(builder: (c) {
-      return LoginRoute();
-    }));
   }
 
   /// Pop current page. Last page can not be popped

lib/ui/widgets/init_widget.dart

@@ -1,4 +1,6 @@
+import 'package:comunic/helpers/account_helper.dart';
 import 'package:comunic/helpers/events_helper.dart';
+import 'package:comunic/helpers/server_config_helper.dart';
 import 'package:comunic/helpers/websocket_helper.dart';
 import 'package:comunic/ui/routes/login_route.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
@@ -57,6 +59,14 @@ class _InitializeWidgetState extends SafeState<InitializeWidget> {
   /// Try to connect to server
   void _tryConnect() async {
     try {
+      await ServerConfigurationHelper.ensureLoaded();
+
+      if (!AccountHelper.isUserIDLoaded) {
+        _popToMainRoute();
+        _openLoginPage();
+        return;
+      }
+
       print("Attempting WebSocket connection...");
 
       setState(() {