completed velocity integration

lib/screens/onboarding/phone/phone_controller.dart

@@ -1,9 +1,8 @@
-
-import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:qpay/abstracts/AbstractController.dart';
 import 'package:qpay/http/http.dart';
+import 'package:qpay/models/api_response.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../onboarding_controller.dart';
@@ -37,7 +36,7 @@ class PhoneController extends AbstractController {
   }
 
   
-  Future<void> register() async {
+  Future<ApiResponse<Map<String, dynamic>>> register() async {
     prefs = await SharedPreferences.getInstance();
 
     Map user = {
@@ -62,19 +61,26 @@ class PhoneController extends AbstractController {
       if(response['state'] == 'failed') {
         model.errorMessage = response['message'];
         showErrorSnackBar(model.errorMessage);
+        model.isLoading = false;
+        notifyListeners();
+        return ApiResponse.failure(response['message'] ?? "Registration failed");
       }
       Map body = response['body'];
       body['workflowId'] = response['workflowId'];
       onboardingController.updateModel(body);
+
+      model.isLoading = false;
+      notifyListeners();
+      return ApiResponse.success(Map<String, dynamic>.from(body));
     } catch (e) {
       logger.e(e);
       showErrorSnackBar(
         "Problem during registration, please try again or contact support?",
       );
+      model.isLoading = false;
+      notifyListeners();
+      return ApiResponse.failure("Problem during registration, please try again or contact support?");
     }
-
-    model.isLoading = false;
-    notifyListeners();
   }
 
 }