add pin login and add pin code

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",
@@ -357,7 +375,7 @@ class _HomePageState extends State<HomePage> {
       selectedColor: Colors.white,
       color: Colors.blue,
       children: <Widget>[
-        Icon(MaterialCommunityIcons.account_tie,size: 25),
+        Icon(MaterialCommunityIcons.account_tie, size: 25),
       ],
       onPressed: (i) => this.setState(() {
         isFcs[0] = !isFcs[0];
@@ -387,11 +405,14 @@ class _HomePageState extends State<HomePage> {
         color: buttonColor,
       ),
     );
-    
+
     final pinLoginBtn = IconButton(
       onPressed: () {
-        Navigator.of(context)
-            .push(CupertinoPageRoute(builder: (context) => PinLoginPage()));
+        Navigator.pushAndRemoveUntil(
+            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()) {
-        page = "/home";
+        if (mainModel.isLockOn) {
+          page = "/pin_login";
+        } else {
+          page = "/home";
+        }
       } else {
         page = "/welcome";
       }