A whole lot of stuff

lib/widgets/ad_free_upsell_dialog.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../services/app_state.dart';
+
+/// Shown right after a user watches the app's one ad placement (see
+/// [AdService.showGateAd] / [AppState.syncNow]) — not on every sync, only
+/// the moment an ad was actually just shown to them, since that's when the
+/// "you could skip these" pitch is most relevant. Purely informational: it
+/// doesn't block or delay the sync that triggered it, which is already
+/// proceeding underneath it by the time this appears.
+Future<void> showAdFreeUpsellDialog(BuildContext context) {
+  return showDialog<void>(
+    context: context,
+    builder: (context) => AlertDialog(
+      title: const Text('Tired of Ads?'),
+      content: Consumer<AppState>(
+        builder: (context, appState, _) => Text(
+          appState.adFreeYearPriceLabel == null
+              ? "You can remove ads for a full year with a single one-time purchase."
+              : 'You can remove ads for a full year for '
+                  '${appState.adFreeYearPriceLabel} — a single one-time purchase.',
+        ),
+      ),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.of(context).pop(),
+          child: const Text('Not Now'),
+        ),
+        FilledButton(
+          onPressed: () {
+            Navigator.of(context).pop();
+            context.read<AppState>().buyAdFreeYear();
+          },
+          child: const Text('Remove Ads'),
+        ),
+      ],
+    ),
+  );
+}