completed velocity integration

lib/screens/recipient/recipients_controller.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:qpay/http/http.dart';
+import 'package:qpay/models/api_response.dart';
 import 'package:qpay/screens/home/home_controller.dart' as hc;
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:qpay/screens/transaction_controller.dart';
@@ -46,19 +47,7 @@ class RecipientsController extends ChangeNotifier {
         ).model.selectedProvider;
   }
 
-  void _showErrorSnackBar(String? message) {
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text(message.toString()),
-          behavior: SnackBarBehavior.floating,
-          backgroundColor: Colors.deepOrange,
-        ),
-      );
-    });
-  }
-
-  Future<void> getRecipients([Map<String, String>? params]) async {
+  Future<ApiResponse<List<Recipient>>> getRecipients([Map<String, String>? params]) async {
     model.errorMessage = null;
     model.isLoading = true;
     model.recipients = getDummyRecipients();
@@ -71,18 +60,19 @@ class RecipientsController extends ChangeNotifier {
       );
       model.recipients.clear();
       model.recipients.addAll(response.map((e) => Recipient.fromJson(e)));
+      model.isLoading = false;
+      notifyListeners();
+      return ApiResponse.success(List<Recipient>.from(model.recipients));
     } catch (e) {
-      _showErrorSnackBar(
-        "Problem fetching recipients, are you connected to the internet?",
-      );
       model.errorMessage = e.toString();
       model.recipients = [];
       logger.e(e);
+      model.isLoading = false;
       notifyListeners();
+      return ApiResponse.failure(
+        "Problem fetching recipients, are you connected to the internet?",
+      );
     }
-
-    model.isLoading = false;
-    notifyListeners();
   }
 
   String buildQueryParameters(Map<String, String> params) {