fix stripe redirect (#62)

* fix stripe redirect

* await showdialog'

* handle errors for payments page

* fix error

docusaurus/src/css/custom.css

@@ -45,6 +45,7 @@
   background-color: var(--ifm-navbar-link-hover-color);
 }
 
+/* Discord link */
 .header-discord-link::before {
   content: '';
   width: 24px;

flutter/lib/screens/payments_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:devtodollars/services/auth_notifier.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class PaymentsScreen extends ConsumerStatefulWidget {
@@ -16,9 +17,28 @@ class _PaymentsScreenState extends ConsumerState<PaymentsScreen> {
   @override
   void initState() {
     WidgetsBinding.instance.addPostFrameCallback((_) async {
+      Uri? url;
       final authNotif = ref.read(authProvider.notifier);
-      final url = await authNotif.getUserStripeLink(price: widget.price);
-      if (url != null && mounted) launchUrl(url, webOnlyWindowName: "_self");
+      try {
+        url = await authNotif.getUserStripeLink(price: widget.price);
+      } on FunctionException catch (e) {
+        if (!mounted) return;
+        var msg =
+            e.details?["message"] ?? "Error retrieving stripe redirect url";
+        showDialog(
+          context: context,
+          builder: (_) => AlertDialog(
+            title: const Text("Failed to open Stripe"),
+            content: Text(msg),
+            actions: [
+              TextButton(onPressed: context.pop, child: const Text("Ok"))
+            ],
+          ),
+        );
+      }
+      if (url != null) {
+        launchUrl(url, webOnlyWindowName: "_self");
+      }
     });
     super.initState();
   }