add pin login and add pin code

assets/local/localization_en.json

@@ -18,6 +18,7 @@
     "back.button_confirm":"Are you sure you want to continue without submitting changes?",
     "btn.clear":"Clear Filter",
     "btn.filter":"Filter",
+    "btn.exit_confirm":"Are you sure you want to exit?",
     "Buttons End ================================================================":"",
 
     "Offline Start ================================================================":"",
@@ -104,6 +105,7 @@
     "home.invitation.request.msg":"We are working on your invitation request!",
     "home.search":"Enter tracking number",
     "home.search.btn":"Search",
+    "home.pin.logout.confirm":"Are you sure want to logout?",
     "Home End ================================================================":"",
     
     "Invite Start ================================================================":"",

assets/local/localization_mu.json

@@ -17,6 +17,7 @@
     "back.button_confirm":"Are you sure you want to continue without submitting changes?",
     "btn.clear":"Clear Filter",
     "btn.filter":"Filter",
+    "btn.exit_confirm":"Are you sure you want to exit?",
     "Buttons End ================================================================":"",
 
     "Offline Start ================================================================":"",
@@ -104,6 +105,7 @@
     "home.invitation.request.msg":"ဖိတ်ကြားမှု တောင်းဆိုသည်ကို လုပ်ဆောင်နေပါသည်!",
     "home.search":"Tracking number ရိုက်ထည့်ပါ",
     "home.search.btn":"ရှာမည်",
+    "home.pin.logout.confirm":"အကောင့်ထွက်ရန်သေချာပြီလား?",
     "Home End ================================================================":"",
 
     "Invite Start ================================================================":"",

lib/app.dart

@@ -35,6 +35,7 @@ import 'pages/carton/model/package_selection_model.dart';
 import 'pages/carton/model/sender_selection_model.dart';
 import 'pages/carton/model/shipment_selection_model.dart';
 import 'pages/delivery/model/delivery_model.dart';
+import 'pages/signin/pinlogin_page.dart';
 
 class App extends StatefulWidget {
   final String title;
@@ -121,6 +122,7 @@ class _AppState extends State<App> {
       '/welcome': (_) => WelcomePage(),
       '/home': (_) => HomePage(),
       '/language_selection': (context) => InitialLanguageSelectionPage(),
+      '/pin_login': (_) => PinLoginPage()
     };
     return routes;
   }

lib/constants.dart

@@ -83,6 +83,7 @@ const privilege_receiving = "rc";
 const privilege_pickup = "pku";
 const privilege_collect = "col";
 const privilege_report = "rpt";
+const privilege_pin ="pin";
 
 // Pickup types
 const shipment_local_pickup = "Local pickup";

lib/data/provider/auth_fb.dart

@@ -12,6 +12,7 @@ import 'package:fcs/helpers/firebase_helper.dart';
 import 'package:firebase_auth/firebase_auth.dart' as fb;
 import 'package:logging/logging.dart';
 
+import '../../helpers/shared_pref.dart';
 import '../services/services.dart';
 
 class AuthFb {
@@ -108,13 +109,15 @@ class AuthFb {
   Future<void> signoutStart() async {
     await userListener?.cancel();
     await userAuthListener?.cancel();
+    await _pinUserListener?.cancel();
   }
 
   Future<void> signoutEnd() async {
+    await SharedPref.setPinLockOn(false);
     await _fb.signOut();
   }
 
-  Future<void> _addUserToStream({bool refreshIdToken = false}) async {
+  Future<User?> _addUserToStream({bool refreshIdToken = false}) async {
     fb.User? firebaseUser = _fb.currentUser;
     if (firebaseUser == null) return null;
     Map<dynamic, dynamic>? claims =
@@ -128,15 +131,20 @@ class AuthFb {
       user = await _getUserFromFirestore(cid);
     }
     if (user == null) {
-      controller.add(null);
+      _addUser(null);
-      return;
+      return null;
     }
 
     loadUserClaim(claims, user);
-    controller.add(user);
+    _addUser(user);
+    return user;
   }
 
   loadUserClaim(Map claims, User user) {
+    if (pinLoginUser != null) {
+      user.fcsID = pinLoginUser?.fcsID;
+    }
+
     // add privileges
     String? privileges = claims["pr"];
     if (privileges != null && privileges != "") {
@@ -252,9 +260,9 @@ class AuthFb {
         // get privilege from claim
         Map<dynamic, dynamic> claims = await getClaims(refreshIdToken: true);
         loadUserClaim(claims, user);
-        controller.add(user);
+        _addUser(user);
       } catch (e) {
-        controller.add(null);
+        _addUser(null);
       }
     });
   }
@@ -286,12 +294,23 @@ class AuthFb {
 
         log.info("_startAuthListener: $user");
         if (_logIn) {
-          controller.add(user);
+          _addUser(user);
         }
       }
     });
   }
 
+  _addUser(User? user) {
+    if (user == null) {
+      pinLoginUser = null;
+    }
+    if (pinLoginUser != null) {
+      controller.add(pinLoginUser);
+    } else {
+      controller.add(user);
+    }
+  }
+
   Stream<User?> user() {
     // ignore: close_sinks
     StreamSubscription<fb.User?>? authListener;
@@ -301,7 +320,7 @@ class AuthFb {
       authListener = _fb.authStateChanges().listen((firebaseUser) async {
         _logIn = firebaseUser != null;
         if (firebaseUser == null) {
-          controller.add(null);
+          _addUser(null);
         } else {
           _addUserToStream(refreshIdToken: true);
           _startUserListener();
@@ -319,4 +338,51 @@ class AuthFb {
 
     return controller.stream;
   }
+
+  User? pinLoginUser;
+
+  StreamSubscription<DocumentSnapshot>? _pinUserListener;
+
+  Future<void> pinLogin(
+      {required String currentUserId,
+      required String fcsID,
+      required String pin}) async {
+    var data = await requestAPI("/pin/login", "POST",
+        token: await getToken(), payload: {'fcs_id': fcsID, 'pin': pin});
+
+    var userId = data['user_id'] ?? '';
+    if (userId == currentUserId) {
+      //logout
+      logoutPinAccount();
+      await SharedPref.setPinLockOn(false);
+    }
+
+    var pinToken = data['pin_token'] ?? '';
+
+    // Get user for pin login
+    _listenPinUser(userId: userId, pinToken: pinToken);
+  }
+
+  Future<void> _listenPinUser(
+      {required String userId, required String pinToken}) async {
+    Stream<DocumentSnapshot> snapshot = FirebaseFirestore.instance
+        .collection(user_collection)
+        .doc(userId)
+        .snapshots();
+    _pinUserListener?.cancel();
+    _pinUserListener = snapshot.listen((snap) async {
+      User user = User.fromMap(snap.data() as Map<String, dynamic>, snap.id);
+      pinLoginUser = user;
+      if (pinLoginUser != null) {
+        pinLoginUser!.pinToken = pinToken;
+      }
+      await _addUserToStream(refreshIdToken: true);
+    });
+  }
+
+  Future<void> logoutPinAccount() async {
+    _pinUserListener?.cancel();
+    pinLoginUser = null;
+    await _addUserToStream(refreshIdToken: true);
+  }
 }

lib/data/services/auth_imp.dart

@@ -74,4 +74,23 @@ class AuthServiceImp implements AuthService {
   Future<void> deleteAccount() {
     return authFb.deleteAccount();
   }
+
+  @override
+  Future<void> pinLogin(
+      {required String currentUserId,
+      required String fcsID,
+      required String pin}) {
+    return authFb.pinLogin(
+        currentUserId: currentUserId, fcsID: fcsID, pin: pin);
+  }
+
+  @override
+  User? getPinLoginUser() {
+    return authFb.pinLoginUser;
+  }
+
+  @override
+  Future<void> logoutPinAccount() {
+    return authFb.logoutPinAccount();
+  }
 }

lib/data/services/auth_service.dart

@@ -15,4 +15,10 @@ abstract class AuthService {
   Stream<User?> getUserStream();
   Stream<Setting> getSetting();
   Future<void> deleteAccount();
+  Future<void> pinLogin(
+      {required String currentUserId,
+      required String fcsID,
+      required String pin});
+  User? getPinLoginUser();
+  Future<void> logoutPinAccount();
 }

lib/domain/entities/user.dart

@@ -21,6 +21,7 @@ class User {
   String? preferCurrency;
   bool enablePinLogin;
   String? pinDigit;
+  List<String> privileges = [];
 
   String get initial =>
       name != null && name != "" ? name!.substring(0, 1) : "?";
@@ -48,7 +49,9 @@ class User {
   String get getFcsUnseenCount =>
       fcsUnseenCount > 100 ? "99+" : fcsUnseenCount.toString();
 
-  List<String> privileges = [];
+  // for pin login
+  String? pinToken;
+  bool get isPinLogin => pinToken!=null;
 
   String get phone => phoneNumber != null && phoneNumber!.startsWith("959")
       ? "0${phoneNumber!.substring(2)}"
@@ -117,7 +120,9 @@ class User {
         userUnseenCount: map['user_unseen_count'] ?? 0,
         fcsUnseenCount: map['fcs_unseen_count'] ?? 0,
         preferCurrency: map['preferred_currency'],
-        lastMessageTime: _date == null ? null : _date.toDate());
+        lastMessageTime: _date == null ? null : _date.toDate(),
+        enablePinLogin: map['enable_pin_login'] ?? false,
+        pinDigit: map['pin'] ?? '');
   }
 
   bool diffPrivileges(User another) {

lib/domain/vo/privilege.dart

@@ -3,6 +3,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_icons_null_safety/flutter_icons_null_safety.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
+import 'package:flutter_vector_icons/flutter_vector_icons.dart' as vector;
 
 class Privilege {
   String id;
@@ -49,6 +50,8 @@ class Privilege {
       iconData = MaterialCommunityIcons.layers;
     } else if (this.id == privilege_report) {
       iconData = Feather.file_text;
+    } else if (this.id == privilege_pin) {
+      iconData = vector.MaterialCommunityIcons.account_lock_outline;
     } else {
       iconData = MaterialCommunityIcons.account_question;
     }

lib/helpers/api_helper.dart

@@ -4,6 +4,8 @@ import 'dart:io';
 
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:dio/dio.dart';
+import 'package:fcs/data/services/services.dart';
+import 'package:fcs/domain/entities/user.dart';
 import 'package:fcs/domain/vo/status.dart';
 import 'package:logging/logging.dart';
 import 'package:path_provider/path_provider.dart';
@@ -28,6 +30,10 @@ Future<dynamic> requestAPI(String path, method,
   if (token != null) {
     headers["Token"] = token;
   }
+  User? pinLoginUser = Services.instance.authService.getPinLoginUser();
+  if (pinLoginUser != null) {
+    headers["pin_token"] = pinLoginUser.pinToken;
+  }
   if (devInfo.deviceID != null) {
     headers["Device"] = devInfo.deviceID ?? "" + ":" + deviceName;
   }

lib/helpers/shared_pref.dart

@@ -108,4 +108,14 @@ class SharedPref {
   static Future<void> clearRecentSearch(String key) async {
     return await _remove(key);
   }
+
+  static Future<bool?> getPinLockOn() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    return prefs.getBool('pin_lock');
+  }
+
+  static Future<void> setPinLockOn(bool isLockOn) async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    prefs.setBool('pin_lock', isLockOn);
+  }
 }

lib/pages/main/home_page.dart

@@ -203,9 +203,27 @@ class _HomePageState extends State<HomePage> {
     super.dispose();
   }
 
+  _logoutPinAccount() async {
+    setState(() {
+      _isLoading = true;
+    });
+
+    try {
+      await context.read<MainModel>().logoutPinAccount();
+      Navigator.pushNamedAndRemoveUntil(context, "/pin_login", (r) => false);
+    } catch (e) {
+      showMsgDialog(context, "Error", e.toString());
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
-    User? user = Provider.of<MainModel>(context).user;
+    var mainModel = context.watch<MainModel>();
+    User? user = mainModel.user;
 
     if (user == null) {
       Future.microtask(
@@ -213,7 +231,7 @@ class _HomePageState extends State<HomePage> {
       return Container();
     }
 
-    login = Provider.of<MainModel>(context).isLogin();
+    login = mainModel.isLogin();
     LanguageModel languageModel = Provider.of<LanguageModel>(context);
 
     final faqBtn = TaskButton("faq.btn",
@@ -390,8 +408,11 @@ class _HomePageState extends State<HomePage> {
 
     final pinLoginBtn = IconButton(
       onPressed: () {
-        Navigator.of(context)
+        Navigator.pushAndRemoveUntil(
-            .push(CupertinoPageRoute(builder: (context) => PinLoginPage()));
+            context,
+            CupertinoPageRoute(
+                builder: (BuildContext context) => PinLoginPage()),
+            (r) => false);
       },
       iconSize: 25,
       icon: Icon(
@@ -400,6 +421,19 @@ class _HomePageState extends State<HomePage> {
       ),
     );
 
+    final pinLogoutBtn = IconButton(
+      onPressed: () {
+        showConfirmDialog(context, "home.pin.logout.confirm", () async {
+          await _logoutPinAccount();
+        });
+      },
+      iconSize: 25,
+      icon: Icon(
+        MaterialCommunityIcons.lock_open_variant_outline,
+        color: buttonColor,
+      ),
+    );
+
     var searchInput = Row(children: [
       Expanded(
         child: Padding(
@@ -478,7 +512,7 @@ class _HomePageState extends State<HomePage> {
                               profileBtn,
                             ]
                           : <Widget>[
-                              pinLoginBtn,
+                              mainModel.isPinLogin ? pinLogoutBtn : pinLoginBtn,
                               fcsToggle,
                               profileBtn,
                             ]

lib/pages/main/model/main_model.dart

@@ -17,6 +17,7 @@ class MainModel extends ChangeNotifier {
 
   String? messagingToken;
   User? user;
+  User? _fbUser;
   PackageInfo? packageInfo;
 
   set setMessaginToken(token) {
@@ -29,6 +30,9 @@ class MainModel extends ChangeNotifier {
   bool isLoaded = false;
   bool isOnline = false;
   bool isFirstLaunch = false;
+  bool isLockOn = false;
+
+  bool get isPinLogin => user?.isPinLogin ?? false;
 
   MainModel() {
     NetworkConnectivity.instance.statusStream.listen((data) {
@@ -83,6 +87,7 @@ class MainModel extends ChangeNotifier {
     await _listenSetting();
     this.isFirstLaunch = await SharedPref.isFirstLaunch() ?? true;
     this.packageInfo = await PackageInfo.fromPlatform();
+    this.isLockOn = await SharedPref.getPinLockOn() ?? false;
 
     userListener?.cancel();
     userListener =
@@ -91,6 +96,17 @@ class MainModel extends ChangeNotifier {
       bool diffPrivilege =
           _user != null && (user == null || user!.diffPrivileges(_user));
       bool loggingOut = user != null && _user == null;
+
+      if (_user != null) {
+        if (!_user.isPinLogin) {
+          _fbUser = _user;
+        }
+      }
+
+      if ((_fbUser?.id == _user?.id)) {
+        _user?.pinToken = null;
+      }
+
       user = _user;
 
       if (_user != null) {
@@ -101,6 +117,7 @@ class MainModel extends ChangeNotifier {
           }
         }
       }
+
       if (loggingOut) {
         for (final m in models) {
           m.logout();
@@ -196,4 +213,13 @@ class MainModel extends ChangeNotifier {
   Future<void> deleteAccount() async {
     return await Services.instance.authService.deleteAccount();
   }
+
+  Future<void> pinLogin({required String fcsID, required String pin}) async {
+    await Services.instance.authService
+        .pinLogin(fcsID: fcsID, pin: pin, currentUserId: _fbUser?.id ?? '');
+  }
+
+  Future<void> logoutPinAccount() async {
+    await Services.instance.authService.logoutPinAccount();
+  }
 }

lib/pages/main/splash_page.dart

@@ -53,7 +53,11 @@ class _SplashScreenState extends State<SplashScreen> {
       if (mainModel.isFirstLaunch) {
         page = "/language_selection";
       } else if (mainModel.isLogin()) {
+        if (mainModel.isLockOn) {
+          page = "/pin_login";
+        } else {
           page = "/home";
+        }
       } else {
         page = "/welcome";
       }

lib/pages/profile/profile_page.dart

@@ -129,12 +129,17 @@ class _ProfileState extends State<Profile> {
       ],
     );
 
-    final logoutbutton = fcsButton(
+    final logoutbutton =
-        context, getLocalString(context, "profile.logout"), callack: () {
+        fcsButton(context, getLocalString(context, "profile.logout"),
-      showConfirmDialog(context, "profile.logout.confirm", () async {
+            callack: mainModel.isPinLogin
+                ? null
+                : () {
+                    showConfirmDialog(context, "profile.logout.confirm",
+                        () async {
                       await _logout();
                     });
-    }, iconData: Icons.exit_to_app);
+                  },
+            iconData: Icons.exit_to_app);
 
     return LocalProgress(
       inAsyncCall: _isLoading,
@@ -355,8 +360,12 @@ class _ProfileState extends State<Profile> {
   }
 
   _showToast(String title) {
-    final ScaffoldMessengerState scaffold =
+    ScaffoldMessengerState? scaffold = key.currentState;
-        key.currentState as ScaffoldMessengerState;
+
+    if (scaffold == null) {
+      scaffold = ScaffoldMessenger.of(context);
+    }
+    
     scaffold.showSnackBar(
       SnackBar(
         content: Text('copied "$title" data to clipboard'),

lib/pages/signin/pinlogin_page.dart

@@ -1,13 +1,18 @@
 import 'package:fcs/helpers/theme.dart';
+import 'package:fcs/pages/main/model/language_model.dart';
+import 'package:fcs/pages/main/model/main_model.dart';
 import 'package:fcs/pages/main/util.dart';
 import 'package:fcs/pages/widgets/local_button.dart';
 import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/material.dart';
 import 'package:pin_input_text_field/pin_input_text_field.dart';
+import 'package:provider/provider.dart';
+
+import '../../helpers/shared_pref.dart';
+import '../../localization/app_translations.dart';
 
 class PinLoginPage extends StatefulWidget {
-  //final User user;
   const PinLoginPage({super.key});
 
   @override
@@ -18,10 +23,77 @@ class _PinLoginPageState extends State<PinLoginPage> {
   bool _isLoading = false;
   String pin = "";
   String prefixText = "FCS-";
-  //late User _user;
+
   final _formKey = GlobalKey<FormState>();
   TextEditingController _fcsIdCtl = new TextEditingController();
 
+  @override
+  void initState() {
+    _init();
+    super.initState();
+  }
+
+  _init() async {
+    await SharedPref.setPinLockOn(true);
+  }
+
+  Future<bool> _onWillPop() async {
+    // Show the confirmation dialog
+    return (await showDialog(
+          context: context,
+          builder: (context) => AlertDialog(
+            title: Center(
+              child:
+                  LocalText(context, 'btn.exit_confirm', color: primaryColor),
+            ),
+            content: Container(
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.spaceAround,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: <Widget>[
+                  TextButton(
+                      style: TextButton.styleFrom(
+                          backgroundColor: Colors.grey[300],
+                          shape: RoundedRectangleBorder(
+                              borderRadius: BorderRadius.circular(5.0))),
+                      child: Text(
+                        AppTranslations.of(context)!.text('btn.cancel'),
+                        style: Provider.of<LanguageModel>(context).isEng
+                            ? TextStyle(color: primaryColor)
+                            : TextStyle(
+                                fontFamily: 'Myanmar3', color: primaryColor),
+                      ),
+                      onPressed: () {
+                        Navigator.of(context).pop(false);
+                      }),
+                  SizedBox(
+                    width: 0,
+                  ),
+                  TextButton(
+                      style: TextButton.styleFrom(
+                          backgroundColor: primaryColor,
+                          shape: RoundedRectangleBorder(
+                              borderRadius: BorderRadius.circular(5.0))),
+                      child: Text(AppTranslations.of(context)!.text('btn.ok'),
+                          style: Provider.of<LanguageModel>(context).isEng
+                              ? TextStyle(
+                                  color: Colors.white,
+                                  fontWeight: FontWeight.bold)
+                              : TextStyle(
+                                  color: Colors.white,
+                                  fontWeight: FontWeight.bold,
+                                  fontFamily: 'Myanmar3')),
+                      onPressed: () {
+                        Navigator.of(context).pop(true);
+                      })
+                ],
+              ),
+            ),
+          ),
+        )) ??
+        false;
+  }
+
   Widget build(BuildContext context) {
     final fcsIdBox = TextFormField(
       controller: _fcsIdCtl,
@@ -121,7 +193,11 @@ class _PinLoginPageState extends State<PinLoginPage> {
         callBack: _login,
       ),
     );
-    return LocalProgress(
+
+    // ignore: deprecated_member_use
+    return WillPopScope(
+      onWillPop: _onWillPop,
+      child: LocalProgress(
         inAsyncCall: _isLoading,
         child: new Scaffold(
             body: Form(
@@ -157,6 +233,7 @@ class _PinLoginPageState extends State<PinLoginPage> {
             ],
           ),
         )),
+      ),
     );
   }
 
@@ -171,14 +248,14 @@ class _PinLoginPageState extends State<PinLoginPage> {
       return;
     }
     String fcsId = "$prefixText${_fcsIdCtl.text}";
-    print(fcsId);
 
     setState(() {
       _isLoading = true;
     });
 
     try {
-      Navigator.pop(context, true);
+      await context.read<MainModel>().pinLogin(fcsID: fcsId, pin: pin);
+      Navigator.pushNamedAndRemoveUntil(context, "/home", (r) => false);
     } catch (e) {
       showMsgDialog(context, "Error", e.toString());
     } finally {

lib/pages/staff/model/staff_model.dart

@@ -81,7 +81,7 @@ class StaffModel extends BaseModel {
   Future<void> updatePin(
       {required String userID,
       required bool enablePin,
-      required int? pin}) async {
+      required String? pin}) async {
     await request("/employee/pin", "PUT",
         payload: {"id": userID, "enable_pin_login": enablePin, "pin": pin},
         token: await getToken());

lib/pages/staff/staff_pin_editor.dart

@@ -310,7 +310,7 @@ class _StaffPinEditorState extends State<StaffPinEditor> {
       await context.read<StaffModel>().updatePin(
           userID: _staff.id!,
           enablePin: _enablePinLogin,
-          pin: _enablePinLogin ? int.parse(_confirmPin) : null);
+          pin: _enablePinLogin ? _confirmPin : null);
       Navigator.pop(context, true);
     } catch (e) {
       showMsgDialog(context, "Error", e.toString());