feat(gui): Hide subscribe button udeng 1552

gui/packages/ubuntupro/integration_test/ubuntu_pro_for_windows_test.dart

@@ -35,7 +35,10 @@ void main() {
     // Use a random place inside the build tree as the `LOCALAPPDATA` env variable for all test cases below.
     tmp = await msixRootDir().createTemp('test-');
     Environment(
-      overrides: {'LOCALAPPDATA': tmp!.path},
+      overrides: {
+        'LOCALAPPDATA': tmp!.path,
+        'UP4W_ALLOW_STORE_PURCHASE': '1',
+      },
     );
   });
 

gui/packages/ubuntupro/lib/l10n/app_en.arb

@@ -29,6 +29,7 @@
 
     "proHeading": "The most comprehensive subscription\nfor open-source software security\nnow available on WSL",
     "subscribeNow": "Subscribe Now",
+    "subscribeNowTooltipDisabled": "Coming soon",
     "learnMore": "Learn More",
 
     "subscriptionIsActive": "Your subscription is active!",

gui/packages/ubuntupro/lib/pages/subscription_status/subscribe_now_page.dart

@@ -27,34 +27,41 @@ class SubscribeNowPage extends StatelessWidget {
         Row(
           mainAxisAlignment: MainAxisAlignment.start,
           children: [
-            ElevatedButton(
-              onPressed: () async {
-                final subs = await model.purchaseSubscription();
+            Tooltip(
+              message: model.purchaseAllowed()
+                  ? ''
+                  : lang.subscribeNowTooltipDisabled,
+              child: ElevatedButton(
+                onPressed: model.purchaseAllowed()
+                    ? () async {
+                        final subs = await model.purchaseSubscription();
 
-                // Using anything attached to the BuildContext after a suspension point might be tricky.
-                // Better check if it's still mounted in the widget tree.
-                if (!context.mounted) return;
+                        // Using anything attached to the BuildContext after a suspension point might be tricky.
+                        // Better check if it's still mounted in the widget tree.
+                        if (!context.mounted) return;
 
-                subs.fold(
-                  ifLeft: (status) {
-                    ScaffoldMessenger.of(context).showSnackBar(
-                      SnackBar(
-                        content: Center(
-                          child: Padding(
-                            padding: const EdgeInsets.symmetric(
-                              vertical: 2.0,
-                              horizontal: 16.0,
-                            ),
-                            child: Text(status.localize(lang)),
-                          ),
-                        ),
-                      ),
-                    );
-                  },
-                  ifRight: onSubscriptionUpdate,
-                );
-              },
-              child: Text(lang.subscribeNow),
+                        subs.fold(
+                          ifLeft: (status) {
+                            ScaffoldMessenger.of(context).showSnackBar(
+                              SnackBar(
+                                content: Center(
+                                  child: Padding(
+                                    padding: const EdgeInsets.symmetric(
+                                      vertical: 2.0,
+                                      horizontal: 16.0,
+                                    ),
+                                    child: Text(status.localize(lang)),
+                                  ),
+                                ),
+                              ),
+                            );
+                          },
+                          ifRight: onSubscriptionUpdate,
+                        );
+                      }
+                    : null,
+                child: Text(lang.subscribeNow),
+              ),
             ),
             const Padding(padding: EdgeInsets.only(right: 8.0)),
             FilledButton.tonal(

gui/packages/ubuntupro/lib/pages/subscription_status/subscription_status_model.dart

@@ -6,6 +6,7 @@ import 'package:url_launcher/url_launcher.dart';
 
 import '/core/agent_api_client.dart';
 import '/core/pro_token.dart';
+import '../../core/environment.dart';
 
 /// A base class for the view-models that may represent different types of subscriptions and the optional actions they allow.
 sealed class SubscriptionStatusModel {
@@ -69,6 +70,7 @@ class OrgSubscriptionStatusModel extends SubscriptionStatusModel {
 
 class SubscribeNowModel extends SubscriptionStatusModel {
   final AgentApiClient client;
+  bool? _isPurchaseAllowed;
   SubscribeNowModel(this.client) : super._();
 
   Future<SubscriptionInfo> applyProToken(ProToken token) async {
@@ -99,4 +101,12 @@ class SubscribeNowModel extends SubscriptionStatusModel {
       return PurchaseStatus.unknown.left();
     }
   }
+
+  /// Returns true if the environment variable 'UP4W_ALLOW_STORE_PURCHASE' has been set.
+  /// Since this reading won't change during the app lifetime, even if the user changes
+  /// it's value from outside, the value is cached so we don't check the environment more than once.
+  bool purchaseAllowed() {
+    return _isPurchaseAllowed ??= ['true', '1', 'on']
+        .contains(Environment()['UP4W_ALLOW_STORE_PURCHASE']?.toLowerCase());
+  }
 }

gui/packages/ubuntupro/test/pages/subscription_status/subscribe_now_page_test.dart

@@ -17,6 +17,7 @@ import 'token_samples.dart' as tks;
 void main() {
   testWidgets('launch web page', (tester) async {
     final model = MockSubscribeNowModel();
+    when(model.purchaseAllowed()).thenReturn(true);
     var called = false;
     when(model.launchProWebPage()).thenAnswer((_) async {
       called = true;
@@ -32,9 +33,44 @@ void main() {
     await tester.pump();
     expect(called, isTrue);
   });
+  group('purchase button enabled by model', () {
+    testWidgets('disabled', (tester) async {
+      final model = MockSubscribeNowModel();
+      when(model.purchaseAllowed()).thenReturn(false);
+      final app = buildApp(model, (_) {});
+      await tester.pumpWidget(app);
+      final context = tester.element(find.byType(SubscribeNowPage));
+      final lang = AppLocalizations.of(context);
+
+      final button = find.byType(ElevatedButton);
+      // check that's the right button
+      expect(
+        find.descendant(of: button, matching: find.text(lang.subscribeNow)),
+        findsOneWidget,
+      );
+      expect(tester.widget<ElevatedButton>(button).enabled, isFalse);
+    });
+    testWidgets('enabled', (tester) async {
+      final model = MockSubscribeNowModel();
+      when(model.purchaseAllowed()).thenReturn(true);
+      final app = buildApp(model, (_) {});
+      await tester.pumpWidget(app);
+      final context = tester.element(find.byType(SubscribeNowPage));
+      final lang = AppLocalizations.of(context);
+
+      final button = find.byType(ElevatedButton);
+      // check that's the right button
+      expect(
+        find.descendant(of: button, matching: find.text(lang.subscribeNow)),
+        findsOneWidget,
+      );
+      expect(tester.widget<ElevatedButton>(button).enabled, isTrue);
+    });
+  });
   group('subscribe', () {
     testWidgets('calls back on success', (tester) async {
       final model = MockSubscribeNowModel();
+      when(model.purchaseAllowed()).thenReturn(true);
       var called = false;
       when(model.purchaseSubscription()).thenAnswer((_) async {
         final info = SubscriptionInfo()..ensureMicrosoftStore();
@@ -57,6 +93,7 @@ void main() {
     testWidgets('feedback on error', (tester) async {
       const purchaseError = PurchaseStatus.networkError;
       final model = MockSubscribeNowModel();
+      when(model.purchaseAllowed()).thenReturn(true);
       var called = false;
       when(model.purchaseSubscription()).thenAnswer((_) async {
         return purchaseError.left();
@@ -79,6 +116,7 @@ void main() {
   });
   testWidgets('feedback when applying token', (tester) async {
     final model = MockSubscribeNowModel();
+    when(model.purchaseAllowed()).thenReturn(true);
     when(model.applyProToken(any)).thenAnswer((_) async {
       return SubscriptionInfo()..ensureUser();
     });

gui/packages/ubuntupro/test/pages/subscription_status/subscribe_now_page_test.mocks.dart

@@ -115,4 +115,12 @@ class MockSubscribeNowModel extends _i1.Mock implements _i5.SubscribeNowModel {
             )),
           ) as _i6
               .Future<_i4.Either<_i8.PurchaseStatus, _i3.SubscriptionInfo>>);
+  @override
+  bool purchaseAllowed() => (super.noSuchMethod(
+        Invocation.method(
+          #purchaseAllowed,
+          [],
+        ),
+        returnValue: false,
+      ) as bool);
 }

gui/packages/ubuntupro/test/pages/subscription_status/subscription_status_model_test.dart

@@ -97,6 +97,11 @@ void main() {
 
     final client = MockAgentApiClient();
 
+    test('disabled by default', () {
+      final model = SubscribeNowModel(client);
+      expect(model.purchaseAllowed(), isFalse);
+    });
+
     test('expected failure', () async {
       const expectedError = Left(PurchaseStatus.userGaveUp);
       pluginMessenger.setMockMethodCallHandler(pluginChannel, (_) async {