improving error handling

lib/main.dart

@@ -13,7 +13,6 @@ import 'package:qpay/screens/accounts/account_provider.dart';
 import 'package:qpay/theme/app_theme.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'firebase_options.dart';
-import 'config/app_config.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();

lib/navbar.dart

@@ -15,7 +15,6 @@ class ScaffoldWithNavBar extends StatefulWidget {
 }
 
 class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
-  bool _isLoggedIn = false;
   late String initials;
 
   @override
@@ -29,7 +28,6 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
 
     if (prefs.getString("token") != null) {
       setState(() {
-        _isLoggedIn = true;
         initials = prefs.getString("initials")!;
       });
     }
@@ -56,7 +54,7 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
                               child: Padding(
                                 padding: const EdgeInsets.symmetric(
                                   vertical: 12.0,
-                                  horizontal: 8
+                                  horizontal: 8,
                                 ),
                                 child: Image(
                                   image: AssetImage('assets/velocity.png'),
@@ -186,7 +184,10 @@ class _ScaffoldWithNavBarState extends State<ScaffoldWithNavBar> {
     final String location = GoRouterState.of(context).uri.path;
     if (location.startsWith('/groups')) return 1;
     if (location.startsWith('/history')) return 2;
-    if (location.startsWith('/more') || location.startsWith('/users') || location.startsWith('/uptime')) return 3;
+    if (location.startsWith('/more') ||
+        location.startsWith('/users') ||
+        location.startsWith('/uptime'))
+      return 3;
     return 0;
   }
 

lib/screens/contact/contact_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:qpay/models/responsive_policy.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class ContactScreen extends StatelessWidget {
   const ContactScreen({super.key});
@@ -186,7 +187,10 @@ class ContactScreen extends StatelessWidget {
             title: 'Instagram',
             subtitle: 'Follow us for updates',
             onTap: () {
-              // Instagram link will be added later
+              launchUrl(
+                Uri.parse('https://www.instagram.com/velocityafrica/'),
+                mode: LaunchMode.externalApplication,
+              );
             },
           ),
           const SizedBox(height: 8),
@@ -200,7 +204,10 @@ class ContactScreen extends StatelessWidget {
             title: 'WhatsApp',
             subtitle: 'Chat with us directly',
             onTap: () {
-              // WhatsApp link will be added later
+              launchUrl(
+                Uri.parse('https://wa.me/263787770295'),
+                mode: LaunchMode.externalApplication,
+              );
             },
           ),
         ],
@@ -293,4 +300,4 @@ class ContactScreen extends StatelessWidget {
       ),
     );
   }
-}
+}

lib/screens/pay/pay_screen.dart

@@ -170,13 +170,28 @@ class _PayScreenState extends State<PayScreen> with TickerProviderStateMixin {
     final apiResponse = await controller.doTransaction();
 
     if (!apiResponse.isSuccess) {
-      if (context.mounted) {
-        AppSnackBar.showError(
-          context,
+      String errorMessage =
           controller.model.errorMessage ??
-              apiResponse.error ??
-              "Transaction failed",
-        );
+          apiResponse.error ??
+          "Transaction failed";
+      if (context.mounted) {
+        if (errorMessage.contains(
+          "We can't process that transaction right now",
+        )) {
+          AppSnackBar.show(
+            context,
+            errorMessage,
+            action: SnackBarAction(
+              label: 'Check uptime',
+              textColor: Colors.yellow, // Optional custom styling
+              onPressed: () {
+                context.push('/uptime');
+              },
+            ),
+          );
+        } else {
+          AppSnackBar.showError(context, errorMessage);
+        }
       }
     } else if (controller.model.status == "SUCCESS" && context.mounted) {
       context.push('/confirm');