Remember me feature

lang/de.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "Die Startzeit muss vor der Endzeit liegen",
   "Organisation on different server, logout and scan qr again": "Organisation auf einem anderen Server, ausloggen und QR-Code erneut scannen",
   "Post was deleted if you had the rights!": "Der Beitrag wurde gelöscht, wenn Sie die Berechtigungen hatten!",
-  "Members": "Mitglieder"
+  "Members": "Mitglieder",
+  "Remember me": "Erinnere dich an mich", 
+  "Login directly with": "Direkt anmelden mit"
 }

lang/en.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "Start time must be before end time",
   "Organisation on different server, logout and scan qr again": "Organisation on different server, logout and scan qr again",
   "Post was deleted if you had the rights!": "Post was deleted if you had the rights!",
-  "Members": "Members"
+  "Members": "Members",
+  "Remember me": "Remember me",
+  "Login directly with": "Login directly with"
 }

lang/es.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "La hora de inicio debe ser anterior a la hora de finalización",
   "Organisation on different server, logout and scan qr again": "Organización en un servidor diferente, cierre la sesión y escanee el código QR nuevamente",
   "Post was deleted if you had the rights!": "¡Se eliminó la publicación si tenías los derechos!",
-  "Members": "Miembros"
-}
+  "Members": "Miembros",
+  "Remember me": "Recuérdame",
+  "Login directly with": "Iniciar sesión directamente con"
+}

lang/fr.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "L'heure de début doit être antérieure à l'heure de fin",
   "Organisation on different server, logout and scan qr again": "Organisation sur un serveur différent, déconnectez-vous et scannez à nouveau le code QR",
   "Post was deleted if you had the rights!": "Le message a été supprimé si vous aviez les droits !",
-  "Members": " Membres"
-}
+  "Members": " Membres",
+  "Remember me": "Souviens-toi de moi",
+  "Login directly with": "Se connecter directement avec"
+}

lang/hi.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "शुरू समय अंत समय से पहले होना चाहिए",
   "Organisation on different server, logout and scan qr again": "संगठन अलग सर्वर पर है, लॉगआउट करें और फिर से QR स्कैन करें",
   "Post was deleted if you had the rights!": "यदि आपके पास अधिकार थे तो पोस्ट हटा दिया गया था!",
-  "Members": " सदस्य"
-}
+  "Members": " सदस्य",
+  "Remember me": "मुझे याद रखें",
+  "Login directly with": "इसके साथ सीधे लॉगिन करें"
+}

lang/ja.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "開始時間は終了時間より前でなければなりません",
   "Organisation on different server, logout and scan qr again": "異なるサーバー上の組織です。ログアウトして、QRコードを再びスキャンしてください。",
   "Post was deleted if you had the rights!": "権限がある場合、投稿は削除されました！",
-  "Members": " メンバー "
-}
+  "Members": " メンバー ",
+  "Remember me": "ログイン情報を保存",
+  "Login directly with": "直接ログイン"
+}

lang/pt.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "O horário de início deve ser anterior ao horário de término",
   "Organisation on different server, logout and scan qr again": "Organização em servidor diferente, faça logout e escaneie o QR novamente",
   "Post was deleted if you had the rights!": "A postagem foi excluída se você tiver os direitos!",
-  "Members": "Membros"
+  "Members": "Membros",
+  "Remember me": "Lembre-se de mim", 
+  "Login directly with": "Entrar diretamente com"
 }

lang/zh.json

@@ -278,5 +278,7 @@
   "Start time must be before end time": "开始时间必须在结束时间之前",
   "Organisation on different server, logout and scan qr again": "组织在不同的服务器上，请注销并重新扫描二维码",
   "Post was deleted if you had the rights!": "如果您有权限，则已删除帖子！",
-  "Members": "成员"
-}
+  "Members": "成员",
+  "Remember me": "记住我",
+  "Login directly with": "直接登录"
+}

lib/services/user_config.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-
 import 'package:flutter/material.dart';
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:hive/hive.dart';
@@ -131,7 +130,8 @@ class UserConfig {
   ///   None
   ///
   /// **returns**:
-  /// * `Future<bool>`: returns future of bool type.
+  ///   None
+
   Future<void> userLogOut() async {
     await actionHandlerService.performAction(
       actionType: ActionType.critical,
@@ -196,7 +196,7 @@ class UserConfig {
   /// * `orgDetails`: details of the organization that user joined.
   ///
   /// **returns**:
-  /// * `Future<void>`: returns future of void type.
+  ///   None
   Future<void> updateUserJoinedOrg(List<OrgInfo> orgDetails) async {
     _currentUser!.updateJoinedOrg(orgDetails);
     saveUserInHive();
@@ -208,7 +208,7 @@ class UserConfig {
   /// * `orgDetails`: details of the organization that user joined.
   ///
   /// **returns**:
-  /// * `Future<void>`: returns future of void type.
+  ///   None
   Future<void> updateUserCreatedOrg(List<OrgInfo> orgDetails) async {
     _currentUser!.updateCreatedOrg(orgDetails);
     saveUserInHive();
@@ -220,7 +220,7 @@ class UserConfig {
   /// * `orgDetails`: details of the organization that user joined.
   ///
   /// **returns**:
-  /// * `Future<void>`: returns future of void type.
+  ///   None
   Future<void> updateUserMemberRequestOrg(List<OrgInfo> orgDetails) async {
     _currentUser!.updateMemberRequestOrg(orgDetails);
     saveUserInHive();
@@ -232,7 +232,7 @@ class UserConfig {
   /// * `orgDetails`: details of the organization that user joined.
   ///
   /// **returns**:
-  /// * `Future<void>`: returns future of void type.
+  ///   None
   Future<void> updateUserAdminOrg(List<OrgInfo> orgDetails) async {
     _currentUser!.updateAdminFor(orgDetails);
     saveUserInHive();
@@ -245,7 +245,7 @@ class UserConfig {
   /// * `refreshToken`: current user's refreshtoken.
   ///
   /// **returns**:
-  /// * `Future<void>`: returns future of void type.
+  ///   None
   Future<void> updateAccessToken({
     required String accessToken,
     required String refreshToken,

lib/view_model/pre_auth_view_models/login_view_model.dart

@@ -1,10 +1,11 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:talawa/constants/app_strings.dart';
 
 import 'package:talawa/constants/routing_constants.dart';
 import 'package:talawa/enums/enums.dart';
 import 'package:talawa/locator.dart';
-// import 'package:talawa/main.dart';
+
 import 'package:talawa/models/mainscreen_navigation_args.dart';
 import 'package:talawa/models/user/user_info.dart';
 import 'package:talawa/utils/encryptor.dart';
@@ -21,6 +22,15 @@
   /// GlobalKey to identify and manage the state of a form widget.
   final formKey = GlobalKey<FormState>();
 
+  /// This field store previous user Email.
+  String? prevUserEmail;
+
+  /// This field store previous user Password.
+  String? prevUserPassword;
+
+  /// Secure local storage instance.
+  final secureStorage = const FlutterSecureStorage();
+
   /// List of maps to store greetings..
   late List<Map<String, dynamic>> greeting;
 
@@ -146,7 +156,7 @@
             userConfig.updateUser(loggedInUser);
           }
         },
-        apiCallSuccessUpdateUI: () {
+        apiCallSuccessUpdateUI: () async {
           // if user has not already joined any organization.
           if (userConfig.currentUser.joinedOrganizations!.isEmpty) {
             navigationService.removeAllAndPush(
@@ -163,6 +173,19 @@
               arguments: MainScreenArgs(mainScreenIndex: 0, fromSignUp: false),
             );
           }
+          try {
+            await secureStorage.write(
+              key: "userEmail",
+              value: this.email.text,
+            );
+            await secureStorage.write(
+              key: "userPassword",
+              value: this.password.text,
+            );
+          } catch (e) {
+            // Handle secure storage write failure
+            print("Failed to save credentials: $e");
+          }
         },
         onActionException: (e) async {
           print('here');
@@ -171,4 +194,20 @@
       );
     }
   }
+
+  /// Fetch the previous user credentials.
+  ///
+  /// **params**:
+  ///   None
+  ///
+  /// **returns**:
+  ///   None
+  Future<void> fetchPrevUser() async {
+    try {
+      prevUserEmail = await secureStorage.read(key: "userEmail");
+      prevUserPassword = await secureStorage.read(key: "userPassword");
+    } catch (e) {
+      print("Error decrypting previous values $e");
+    }
+  }
 }

lib/view_model/pre_auth_view_models/signup_details_view_model.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:talawa/constants/app_strings.dart';
 import 'package:talawa/constants/routing_constants.dart';
@@ -25,6 +26,9 @@
   /// Represents information about the selected organization.
   late OrgInfo selectedOrganization;
 
+  /// Secure local storage instance.
+  final secureStorage = const FlutterSecureStorage();
+
   /// TextEditingController for handling confirmation password input field.
   TextEditingController confirmPassword = TextEditingController();
 
@@ -198,6 +202,19 @@
                   Routes.splashScreen,
                 );
               }
+              try {
+                await secureStorage.write(
+                  key: "userEmail",
+                  value: this.email.text,
+                );
+                await secureStorage.write(
+                  key: "userPassword",
+                  value: this.password.text,
+                );
+              } catch (e) {
+                // Handle secure storage write failure
+                print("Failed to save credentials: $e");
+              }
             }
           }
         },

lib/views/after_auth_screens/app_settings/app_settings_page.dart

@@ -1,23 +1,32 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:talawa/constants/routing_constants.dart';
 import 'package:talawa/locator.dart';
 import 'package:talawa/services/size_config.dart';
 import 'package:talawa/utils/app_localization.dart';
 import 'package:talawa/view_model/after_auth_view_models/settings_view_models/app_setting_view_model.dart';
 import 'package:talawa/views/base_view.dart';
-import 'package:talawa/widgets/custom_alert_dialog.dart';
+import 'package:talawa/widgets/custom_alert_dialog_with_checkbox.dart';
 import 'package:talawa/widgets/lang_switch.dart';
 import 'package:talawa/widgets/theme_switch.dart';
 
 /// Widget representing the App Settings page.
 ///
 /// This widget represents the settings page of the application.
 /// It allows users to configure various application settings.
-class AppSettingsPage extends StatelessWidget {
+class AppSettingsPage extends StatefulWidget {
   const AppSettingsPage({
     super.key,
   });
 
+  @override
+  State<AppSettingsPage> createState() => _AppSettingsPageState();
+}
+
+class _AppSettingsPageState extends State<AppSettingsPage> {
+  /// Secure local storage instance.
+  final secureStorage = const FlutterSecureStorage();
+
   @override
   Widget build(BuildContext context) {
     const String talawaDocs = 'https://docs.talawa.io';
@@ -286,13 +295,27 @@
                 ? showDialog(
                     context: context,
                     builder: (context) {
-                      return CustomAlertDialog(
-                        reverse: true,
-                        dialogSubTitle: 'Are you sure you want to logout?',
-                        successText: 'Logout',
-                        success: () async {
+                      return CustomAlertDialogWithCheckbox(
+                        success: (checkBoxVal) async {
                           await model.logout();
+                          if (checkBoxVal != null && checkBoxVal == false) {
+                            try {
+                              await secureStorage.delete(
+                                key: "userEmail",
+                              );
+                              await secureStorage.delete(
+                                key: "userPassword",
+                              );
+                            } catch (e) {
+                              print("Unable to delete stored value : $e");
+                            }
+                          }
                         },
+                        reverse: true,
+                        dialogSubTitle: "Are you sure you want to logout?",
+                        checkboxLabel: "Remember me",
+                        successText: "Logout",
+                        initialCheckboxValue: true,
                       );
                     },
                   )

lib/views/pre_auth_screens/login.dart

@@ -6,6 +6,7 @@ import 'package:talawa/utils/app_localization.dart';
 import 'package:talawa/utils/validators.dart';
 import 'package:talawa/view_model/pre_auth_view_models/login_view_model.dart';
 import 'package:talawa/views/base_view.dart';
+import 'package:talawa/widgets/directly_login.dart';
 import 'package:talawa/widgets/raised_round_edge_button.dart';
 import 'package:talawa/widgets/rich_text.dart';
 
@@ -15,7 +16,8 @@ import 'package:talawa/widgets/rich_text.dart';
 /// the second one takes in the password of the user.
 /// There is also a "Forgot Password" text button, which directs to
 /// the "recover password" screen when pressed.
-/// At the bottom, there is a login button to initiate the login.
+/// There is a login button to initiate the login.
+/// At the bottom there is option to login directly with previous email.(This option is only available if user select remember me while logging out)
 class Login extends StatefulWidget {
   const Login({required Key key}) : super(key: key);
 
@@ -27,7 +29,9 @@ class _LoginState extends State<Login> {
   @override
   Widget build(BuildContext context) {
     return BaseView<LoginViewModel>(
-      onModelReady: (model) => model.initialize(),
+      onModelReady: (model) {
+        model.initialize();
+      },
       builder: (context, model, child) {
         return Scaffold(
           resizeToAvoidBottomInset: true,
@@ -186,6 +190,7 @@ class _LoginState extends State<Login> {
                       backgroundColor: Theme.of(context).colorScheme.tertiary,
                     ),
                     SizedBox(height: SizeConfig.screenHeight! * 0.0215),
+                    DirectlyLogin(model: model),
                   ],
                 ),
               ),