improving error handling

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');