consolidate receipt_overlay and loading_overlay

lib/core/external/screen_brightness.dart

@@ -0,0 +1,8 @@
+import 'package:screen_brightness/screen_brightness.dart' as sb;
+
+class ScreenBrightness {
+  Future<void> setScreenBrightness(double brightness) async =>
+      sb.ScreenBrightness().setScreenBrightness(brightness);
+  Future<void> resetScreenBrightness() async =>
+      sb.ScreenBrightness().resetScreenBrightness();
+}

lib/core/strings.dart

@@ -243,8 +243,12 @@ abstract final class Strings {
   static const voucherCode = 'Voucher code';
   static const voucherEmpty = 'Enter a voucher code';
   static const voucherUsed = 'That voucher is already used';
-  static const youRedeemed = 'You redeemed';
   static const voucherRedeemed = 'Voucher redeemed 🎉';
+  static String voucherYouRedeemedProducts(
+    int numberOfTickets,
+    String productName,
+  ) =>
+      'You redeemed $numberOfTickets $productName!';
 
   // Settings
   static const settingsPageTitle = 'Settings';

lib/core/widgets/components/loading_overlay.dart

@@ -1,24 +1,26 @@
 import 'package:coffeecard/core/styles/app_colors.dart';
 import 'package:flutter/material.dart';
 
-void showLoadingOverlay(BuildContext context) {
-  final _ = showDialog(
-    context: context,
-    barrierColor: AppColors.scrim,
-    barrierDismissible: false,
-    useRootNavigator: true,
-    builder: (_) {
-      return WillPopScope(
-        // Will prevent Android back button from closing overlay.
-        onWillPop: () async => false,
-        child: const Center(
-          child: CircularProgressIndicator(color: AppColors.white),
-        ),
-      );
-    },
-  );
-}
+class LoadingOverlay {
+  static void show(BuildContext context) {
+    final _ = showDialog(
+      context: context,
+      barrierColor: AppColors.scrim,
+      barrierDismissible: false,
+      useRootNavigator: true,
+      builder: (_) {
+        return WillPopScope(
+          // Will prevent Android back button from closing overlay.
+          onWillPop: () async => false,
+          child: const Center(
+            child: CircularProgressIndicator(color: AppColors.white),
+          ),
+        );
+      },
+    );
+  }
 
-void hideLoadingOverlay(BuildContext context) {
-  Navigator.of(context, rootNavigator: true).pop();
+  static void hide(BuildContext context) {
+    Navigator.of(context, rootNavigator: true).pop();
+  }
 }

lib/core/widgets/pages/splash/splash_error_page.dart

@@ -43,12 +43,12 @@ class _SplashErrorPageState extends State<SplashErrorPage> {
             onPressed: () async {
               final environmentLoaded =
                   context.read<EnvironmentCubit>().getConfig();
-              showLoadingOverlay(context);
+              LoadingOverlay.show(context);
               // Delay since it is otherwise not obvious
               // a load is happening with no internet
               final _ = await Future.delayed(const Duration(milliseconds: 200));
               await environmentLoaded;
-              if (mounted) hideLoadingOverlay(context);
+              if (mounted) LoadingOverlay.hide(context);
             },
             child: Text(
               Strings.retry,

lib/features/login/presentation/pages/login_page_passcode.dart

@@ -68,9 +68,9 @@ class _LoginPagePasscodeState extends State<LoginPagePasscode> {
             previous is LoginLoading || current is LoginLoading,
         listener: (context, state) {
           if (state is LoginLoading) {
-            showLoadingOverlay(context);
+            LoadingOverlay.show(context);
           } else {
-            hideLoadingOverlay(context);
+            LoadingOverlay.hide(context);
           }
         },
         buildWhen: (_, current) => current is! LoginLoading,

lib/features/login/presentation/widgets/forgot_passcode_form.dart

@@ -50,7 +50,7 @@ class ForgotPasscodeForm extends StatelessWidget {
   }
 
   Future<void> _onSubmit(BuildContext context, String email) async {
-    showLoadingOverlay(context);
+    LoadingOverlay.show(context);
 
     final either =
         await sl<AccountRemoteDataSource>().requestPasscodeReset(email);
@@ -74,7 +74,7 @@ class ForgotPasscodeForm extends StatelessWidget {
           TextButton(
             onPressed: () {
               closeAppDialog(context);
-              hideLoadingOverlay(context);
+              LoadingOverlay.hide(context);
               // Exits the forgot passcode flow
               Navigator.pop(context);
             },

lib/features/product/presentation/pages/buy_tickets_page.dart

@@ -116,12 +116,13 @@ class BuyTicketsPage extends StatelessWidget {
         final updateReceiptsRequest =
             context.read<ReceiptCubit>().fetchReceipts();
 
-        ReceiptOverlay.of(context).show(
+        ReceiptOverlay.show(
           isTestEnvironment:
               envState is EnvironmentLoaded && envState.env.isTest,
           status: Strings.purchased,
           productName: payment.productName,
           timeUsed: payment.purchaseTime,
+          context: context,
         );
         await updateTicketsRequest;
         await updateReceiptsRequest;

lib/features/receipt/presentation/widgets/receipt_overlay.dart

@@ -1,30 +1,31 @@
+import 'package:coffeecard/core/external/screen_brightness.dart';
 import 'package:coffeecard/core/strings.dart';
 import 'package:coffeecard/core/styles/app_colors.dart';
 import 'package:coffeecard/core/styles/app_text_styles.dart';
 import 'package:coffeecard/core/widgets/components/helpers/responsive.dart';
 import 'package:coffeecard/features/receipt/presentation/widgets/receipt_card.dart';
+import 'package:coffeecard/service_locator.dart';
 import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
-import 'package:screen_brightness/screen_brightness.dart';
 
 class ReceiptOverlay {
-  // TODO(marfavi): see if a more generic version can be made that supports both the loading overlay and this one, https://github.com/AnalogIO/coffeecard_app/issues/386
-  BuildContext _context;
+  static final ScreenBrightness screenBrightness = sl();
 
-  void hide() {
-    Navigator.of(_context).pop();
+  static void hide(BuildContext context) {
+    Navigator.of(context).pop();
   }
 
-  Future<void> show({
+  static Future<void> show({
     required String productName,
     required DateTime timeUsed,
     required bool isTestEnvironment,
     required String status,
+    required BuildContext context,
   }) async {
     await ScreenBrightness().setScreenBrightness(1);
-    if (_context.mounted) {
+    if (context.mounted) {
       final _ = await showDialog(
-        context: _context,
+        context: context,
         barrierColor: AppColors.scrim,
         builder: (context) {
           return Padding(
@@ -54,10 +55,4 @@ class ReceiptOverlay {
     }
     await ScreenBrightness().resetScreenBrightness();
   }
-
-  ReceiptOverlay.__create(this._context);
-
-  factory ReceiptOverlay.of(BuildContext context) {
-    return ReceiptOverlay.__create(context);
-  }
 }

lib/features/register/presentation/pages/register_page_name.dart

@@ -79,7 +79,7 @@ class RegisterPageName extends StatelessWidget {
         TextButton(
           onPressed: () {
             closeAppDialog(context);
-            hideLoadingOverlay(context);
+            LoadingOverlay.hide(context);
             // Exits the register flow
             Navigator.of(context, rootNavigator: true).pop();
           },
@@ -104,7 +104,7 @@ class RegisterPageName extends StatelessWidget {
         TextButton(
           onPressed: () {
             closeAppDialog(context);
-            hideLoadingOverlay(context);
+            LoadingOverlay.hide(context);
           },
           child: const Text(Strings.buttonClose),
         ),

lib/features/register/presentation/widgets/forms/register_name_form.dart

@@ -40,7 +40,7 @@ class _RegisterNameFormState extends State<RegisterNameForm> {
   }
 
   Future<void> _showTerms(BuildContext context, String name) async {
-    showLoadingOverlay(context);
+    LoadingOverlay.show(context);
     // Allow keyboard to disappear before showing dialog
     final _ = await Future.delayed(const Duration(milliseconds: 350));
     if (!mounted) return;
@@ -64,7 +64,7 @@ class _RegisterNameFormState extends State<RegisterNameForm> {
           child: const Text(Strings.buttonDecline),
           onPressed: () {
             closeAppDialog(context);
-            if (mounted) hideLoadingOverlay(context);
+            if (mounted) LoadingOverlay.hide(context);
           },
         ),
         TextButton(

lib/features/ticket/presentation/widgets/tickets_section.dart

@@ -37,16 +37,16 @@ class TicketSection extends StatelessWidget {
                 Navigator.of(context, rootNavigator: true).pop();
               }
 
-              showLoadingOverlay(context);
+              LoadingOverlay.show(context);
             }
             if (state is TicketUsed) {
               // Refresh or load user info (for updated rank stats)
               // (also refreshes leaderboard)
               context.read<UserCubit>().fetchUserDetails();
 
               final envState = context.read<EnvironmentCubit>().state;
-              hideLoadingOverlay(context);
-              ReceiptOverlay.of(context).show(
+              LoadingOverlay.hide(context);
+              ReceiptOverlay.show(
                 isTestEnvironment:
                     envState is EnvironmentLoaded && envState.env.isTest,
                 status: state.receipt is PurchaseReceipt
@@ -56,10 +56,11 @@ class TicketSection extends StatelessWidget {
                     : Strings.swiped,
                 productName: state.receipt.productName,
                 timeUsed: state.receipt.timeUsed,
+                context: context,
               );
             }
             if (state is TicketsUseError) {
-              hideLoadingOverlay(context);
+              LoadingOverlay.hide(context);
               appDialog(
                 context: context,
                 title: Strings.error,

lib/features/voucher/presentation/pages/redeem_voucher_page.dart

@@ -25,8 +25,8 @@ class RedeemVoucherPage extends StatelessWidget {
         create: (_) => sl<VoucherCubit>(),
         child: BlocListener<VoucherCubit, VoucherState>(
           listener: (context, state) {
-            if (state is VoucherLoading) return showLoadingOverlay(context);
-            hideLoadingOverlay(context);
+            if (state is VoucherLoading) return LoadingOverlay.show(context);
+            LoadingOverlay.hide(context);
             if (state is VoucherSuccess) return _onSuccess(context, state);
             if (state is VoucherError) return _onError(context, state);
           },
@@ -55,7 +55,10 @@ class RedeemVoucherPage extends StatelessWidget {
       ],
       children: [
         Text(
-          '${Strings.youRedeemed} ${state.redeemedVoucher.numberOfTickets} ${state.redeemedVoucher.productName}!',
+          Strings.voucherYouRedeemedProducts(
+            state.redeemedVoucher.numberOfTickets,
+            state.redeemedVoucher.productName,
+          ),
           style: AppTextStyle.settingKey,
         ),
       ],

lib/service_locator.dart

@@ -2,6 +2,7 @@ import 'package:chopper/chopper.dart';
 import 'package:coffeecard/core/api_uri_constants.dart';
 import 'package:coffeecard/core/external/date_service.dart';
 import 'package:coffeecard/core/external/external_url_launcher.dart';
+import 'package:coffeecard/core/external/screen_brightness.dart';
 import 'package:coffeecard/core/firebase_analytics_event_logging.dart';
 import 'package:coffeecard/core/ignore_value.dart';
 import 'package:coffeecard/core/network/network_request_executor.dart';
@@ -118,7 +119,7 @@ void configureServices() {
   );
 
   ignoreValue(sl.registerFactory(() => DateService()));
-
+  ignoreValue(sl.registerFactory(() => ScreenBrightness()));
   ignoreValue(sl.registerLazySingleton(() => ExternalUrlLauncher()));
 
   // provide the account repository to the reactivation authenticator