completed group batch feature

lib/screens/onboarding/onboarding_controller.dart

@@ -1,37 +1,50 @@
-import 'package:flutter/material.dart';
-import 'package:google_sign_in/google_sign_in.dart';
-import 'package:qpay/http/http.dart';
+import 'package:flutter/foundation.dart';
 
-class OnboardingModel {
+class RegistrationModel {
+  String? email;
+  String? firstName;
+  String? lastName;
   String? phone;
+  String? password;
   String? workflowId;
-  String? username;
-  GoogleSignInAccount? googleUser;
   bool isLoading = false;
 }
 
 class OnboardingController extends ChangeNotifier {
-  OnboardingModel model = OnboardingModel();
+  RegistrationModel model = RegistrationModel();
 
   void resetState() {
-    model = OnboardingModel();
+    model = RegistrationModel();
   }
 
   void updateModel(Map mapModel) {
     model.workflowId = mapModel['workflowId'];
     model.phone = mapModel['phone'];
-    model.username = mapModel['username'];
     notifyListeners();
   }
 
-  updatePhone(String phone) {
+  void updateEmail(String email) {
+    model.email = email;
+    notifyListeners();
+  }
+
+  void updateFirstName(String firstName) {
+    model.firstName = firstName;
+    notifyListeners();
+  }
+
+  void updateLastName(String lastName) {
+    model.lastName = lastName;
+    notifyListeners();
+  }
+
+  void updatePhone(String phone) {
     model.phone = phone;
     notifyListeners();
   }
 
-  updateGoogleUser(GoogleSignInAccount googleUser) {
-    model.googleUser = googleUser;
+  void updatePassword(String password) {
+    model.password = password;
     notifyListeners();
   }
-
-}
+}