Do not show Sharezone Plus support for teacher and parents (#1762)

We showed to teachers and parents that they have the Sharezone Plus
support. This can be confusing for them because they don't know what
Sharezone Plus is.

app/lib/main/auth_app.dart

@@ -68,6 +68,7 @@ class _AuthAppState extends State<AuthApp> {
             userEmailStream: Stream.value(null),
             hasPlusSupportUnlockedStream: Stream.value(false),
             isUserInGroupOnboardingStream: Stream.value(false),
+            typeOfUserStream: Stream.value(null),
           ),
         ),
       ],

app/lib/main/sharezone_bloc_providers.dart

@@ -371,6 +371,7 @@ class _SharezoneBlocProvidersState extends State<SharezoneBlocProviders> {
           hasPlusSupportUnlockedStream: subscriptionService
               .hasFeatureUnlockedStream(SharezonePlusFeature.plusSupport),
           isUserInGroupOnboardingStream: signUpBloc.signedUp,
+          typeOfUserStream: typeOfUserStream,
         ),
       ),
       StreamProvider<TypeOfUser?>.value(

app/lib/support/support_page_controller.dart

@@ -10,13 +10,17 @@ import 'dart:async';
 
 import 'package:common_domain_models/common_domain_models.dart';
 import 'package:flutter/material.dart';
+import 'package:user/user.dart';
 
 class SupportPageController extends ChangeNotifier {
-  bool hasPlusSupportUnlocked = false;
+  bool get hasPlusSupportUnlocked =>
+      _hasSharezonePlus && _typeOfUser == TypeOfUser.student;
+  bool _hasSharezonePlus = false;
   bool isUserInGroupOnboarding = false;
   UserId? userId;
   String? userEmail;
   String? userName;
+  TypeOfUser? _typeOfUser;
 
   bool get isUserSignedIn => userId != null;
 
@@ -25,13 +29,15 @@ class SupportPageController extends ChangeNotifier {
   late StreamSubscription<String?> _userEmailSubscription;
   late StreamSubscription<bool> _hasPlusSupportUnlockedSubscription;
   late StreamSubscription<bool> _isUserInGroupOnboardingSubscription;
+  late StreamSubscription<TypeOfUser?> _typeOfUserSubscription;
 
   SupportPageController({
     required Stream<UserId?> userIdStream,
     required Stream<String?> userNameStream,
     required Stream<String?> userEmailStream,
     required Stream<bool> hasPlusSupportUnlockedStream,
     required Stream<bool> isUserInGroupOnboardingStream,
+    required Stream<TypeOfUser?> typeOfUserStream,
   }) {
     _userIdSubscription = userIdStream.listen((userId) {
       this.userId = userId;
@@ -50,7 +56,7 @@ class SupportPageController extends ChangeNotifier {
 
     _hasPlusSupportUnlockedSubscription =
         hasPlusSupportUnlockedStream.listen((hasPlusSupportUnlocked) {
-      this.hasPlusSupportUnlocked = hasPlusSupportUnlocked;
+      _hasSharezonePlus = hasPlusSupportUnlocked;
       notifyListeners();
     });
 
@@ -59,6 +65,11 @@ class SupportPageController extends ChangeNotifier {
       this.isUserInGroupOnboarding = isUserInGroupOnboarding;
       notifyListeners();
     });
+
+    _typeOfUserSubscription = typeOfUserStream.listen((typeOfUser) {
+      _typeOfUser = typeOfUser;
+      notifyListeners();
+    });
   }
 
   /// Returns the unencoded URL for the video call appointments page, with
@@ -120,6 +131,7 @@ class SupportPageController extends ChangeNotifier {
     _userIdSubscription.cancel();
     _hasPlusSupportUnlockedSubscription.cancel();
     _isUserInGroupOnboardingSubscription.cancel();
+    _typeOfUserSubscription.cancel();
     super.dispose();
   }
 }

app/test/settings/support/support_page_controller_test.dart

@@ -9,6 +9,7 @@
 import 'package:common_domain_models/common_domain_models.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:sharezone/support/support_page_controller.dart';
+import 'package:user/user.dart';
 
 void main() {
   group(SupportPageController, () {
@@ -21,6 +22,7 @@ void main() {
           userEmailStream: Stream.value(null),
           hasPlusSupportUnlockedStream: Stream.value(false),
           isUserInGroupOnboardingStream: Stream.value(false),
+          typeOfUserStream: Stream.value(null),
         );
 
         // Workaround to wait for stream subscription in constructor.
@@ -39,6 +41,7 @@ void main() {
           userEmailStream: Stream.value('[email protected]'),
           hasPlusSupportUnlockedStream: Stream.value(false),
           isUserInGroupOnboardingStream: Stream.value(false),
+          typeOfUserStream: Stream.value(null),
         );
 
         // Workaround to wait for stream subscription in constructor.
@@ -50,5 +53,83 @@ void main() {
         );
       });
     });
+
+    group('hasPlusSupportUnlocked', () {
+      test('show free support for parents', () async {
+        final controller = SupportPageController(
+          userIdStream: Stream.value(const UserId('userId123')),
+          userNameStream: Stream.value('My Cool Name'),
+          userEmailStream: Stream.value('[email protected]'),
+          hasPlusSupportUnlockedStream: Stream.value(true),
+          isUserInGroupOnboardingStream: Stream.value(false),
+          typeOfUserStream: Stream.value(TypeOfUser.parent),
+        );
+
+        // Workaround to wait for stream subscription in constructor.
+        await Future.delayed(Duration.zero);
+
+        expect(
+          controller.hasPlusSupportUnlocked,
+          false,
+        );
+      });
+
+      test('show free support for teachers', () async {
+        final controller = SupportPageController(
+          userIdStream: Stream.value(const UserId('userId123')),
+          userNameStream: Stream.value('My Cool Name'),
+          userEmailStream: Stream.value('[email protected]'),
+          hasPlusSupportUnlockedStream: Stream.value(true),
+          isUserInGroupOnboardingStream: Stream.value(false),
+          typeOfUserStream: Stream.value(TypeOfUser.teacher),
+        );
+
+        // Workaround to wait for stream subscription in constructor.
+        await Future.delayed(Duration.zero);
+
+        expect(
+          controller.hasPlusSupportUnlocked,
+          false,
+        );
+      });
+
+      test('show free support for students without Sharezone Plus', () async {
+        final controller = SupportPageController(
+          userIdStream: Stream.value(const UserId('userId123')),
+          userNameStream: Stream.value('My Cool Name'),
+          userEmailStream: Stream.value('[email protected]'),
+          hasPlusSupportUnlockedStream: Stream.value(false),
+          isUserInGroupOnboardingStream: Stream.value(false),
+          typeOfUserStream: Stream.value(TypeOfUser.teacher),
+        );
+
+        // Workaround to wait for stream subscription in constructor.
+        await Future.delayed(Duration.zero);
+
+        expect(
+          controller.hasPlusSupportUnlocked,
+          false,
+        );
+      });
+
+      test('show plus support for students with Sharezone Plus', () async {
+        final controller = SupportPageController(
+          userIdStream: Stream.value(const UserId('userId123')),
+          userNameStream: Stream.value('My Cool Name'),
+          userEmailStream: Stream.value('[email protected]'),
+          hasPlusSupportUnlockedStream: Stream.value(true),
+          isUserInGroupOnboardingStream: Stream.value(false),
+          typeOfUserStream: Stream.value(TypeOfUser.student),
+        );
+
+        // Workaround to wait for stream subscription in constructor.
+        await Future.delayed(Duration.zero);
+
+        expect(
+          controller.hasPlusSupportUnlocked,
+          true,
+        );
+      });
+    });
   });
 }