Pull donation wallets from pages

lib/application/app_dependencies.dart

@@ -29,6 +29,7 @@ import 'package:subctrl/application/subscriptions/add_subscription_use_case.dart
 import 'package:subctrl/application/subscriptions/delete_subscription_use_case.dart';
 import 'package:subctrl/application/subscriptions/update_subscription_use_case.dart';
 import 'package:subctrl/application/subscriptions/watch_subscriptions_use_case.dart';
+import 'package:subctrl/application/support/fetch_donation_wallets_use_case.dart';
 import 'package:subctrl/application/tags/create_tag_use_case.dart';
 import 'package:subctrl/application/tags/delete_tag_use_case.dart';
 import 'package:subctrl/application/tags/update_tag_use_case.dart';
@@ -48,6 +49,9 @@ import 'package:subctrl/infrastructure/repositories/drift_currency_repository.da
 import 'package:subctrl/infrastructure/repositories/drift_settings_repository.dart';
 import 'package:subctrl/infrastructure/repositories/drift_subscription_repository.dart';
 import 'package:subctrl/infrastructure/repositories/drift_tag_repository.dart';
+import 'package:subctrl/infrastructure/support/donation_wallet_fallback_data.dart';
+import 'package:subctrl/infrastructure/support/remote_donation_wallets_provider.dart';
+import 'package:subctrl/infrastructure/support/resilient_donation_wallets_provider.dart';
 
 class AppDependencies {
   AppDependencies._({
@@ -86,8 +90,11 @@ class AppDependencies {
     required this.scheduleNotificationsUseCase,
     required this.requestNotificationPermissionUseCase,
     required this.openNotificationSettingsUseCase,
+    required this.fetchDonationWalletsUseCase,
     required YahooFinanceCurrencyClient yahooFinanceCurrencyClient,
-  }) : _yahooFinanceCurrencyClient = yahooFinanceCurrencyClient;
+    required RemoteDonationWalletsProvider remoteDonationWalletsProvider,
+  }) : _yahooFinanceCurrencyClient = yahooFinanceCurrencyClient,
+       _remoteDonationWalletsProvider = remoteDonationWalletsProvider;
 
   factory AppDependencies() {
     final database = AppDatabase();
@@ -110,6 +117,13 @@ class AppDependencies {
       yahooFinanceCurrencyClient: yahooFinanceClient,
       currencyRepository: currencyRepository,
     );
+    final remoteDonationWalletsProvider = RemoteDonationWalletsProvider(
+      endpoint: Uri.parse('https://gonfff.com/subctrl/assets/wallets.json'),
+    );
+    final donationWalletsProvider = ResilientDonationWalletsProvider(
+      primary: remoteDonationWalletsProvider,
+      fallbackWallets: donationWalletFallbackData,
+    );
     final localNotificationsService = LocalNotificationsService();
     final notificationPermissionService = NotificationPermissionService();
 
@@ -177,19 +191,22 @@ class AppDependencies {
       getPendingNotificationsUseCase: GetPendingNotificationsUseCase(
         localNotificationsService,
       ),
-      cancelNotificationsUseCase:
-          CancelNotificationsUseCase(localNotificationsService),
+      cancelNotificationsUseCase: CancelNotificationsUseCase(
+        localNotificationsService,
+      ),
       scheduleNotificationsUseCase: ScheduleNotificationsUseCase(
         localNotificationsService,
       ),
       requestNotificationPermissionUseCase:
-          RequestNotificationPermissionUseCase(
-        notificationPermissionService,
-      ),
+          RequestNotificationPermissionUseCase(notificationPermissionService),
       openNotificationSettingsUseCase: OpenNotificationSettingsUseCase(
         notificationPermissionService,
       ),
+      fetchDonationWalletsUseCase: FetchDonationWalletsUseCase(
+        donationWalletsProvider,
+      ),
       yahooFinanceCurrencyClient: yahooFinanceClient,
+      remoteDonationWalletsProvider: remoteDonationWalletsProvider,
     );
   }
 
@@ -235,10 +252,13 @@ class AppDependencies {
   final RequestNotificationPermissionUseCase
   requestNotificationPermissionUseCase;
   final OpenNotificationSettingsUseCase openNotificationSettingsUseCase;
+  final FetchDonationWalletsUseCase fetchDonationWalletsUseCase;
 
   final YahooFinanceCurrencyClient _yahooFinanceCurrencyClient;
+  final RemoteDonationWalletsProvider _remoteDonationWalletsProvider;
 
   void dispose() {
     _yahooFinanceCurrencyClient.close();
+    _remoteDonationWalletsProvider.close();
   }
 }

lib/application/support/fetch_donation_wallets_use_case.dart

@@ -0,0 +1,12 @@
+import 'package:subctrl/domain/entities/donation_wallet.dart';
+import 'package:subctrl/domain/services/donation_wallets_provider.dart';
+
+class FetchDonationWalletsUseCase {
+  FetchDonationWalletsUseCase(this._provider);
+
+  final DonationWalletsProvider _provider;
+
+  Future<List<DonationWallet>> call() {
+    return _provider.fetchWallets();
+  }
+}

lib/domain/entities/donation_wallet.dart

@@ -0,0 +1,15 @@
+class DonationWallet {
+  const DonationWallet({
+    required this.label,
+    required this.address,
+    this.currency,
+    this.name,
+    this.network,
+  });
+
+  final String label;
+  final String address;
+  final String? currency;
+  final String? name;
+  final String? network;
+}

lib/domain/services/donation_wallets_provider.dart

@@ -0,0 +1,14 @@
+import 'package:subctrl/domain/entities/donation_wallet.dart';
+
+abstract class DonationWalletsProvider {
+  Future<List<DonationWallet>> fetchWallets();
+}
+
+class DonationWalletsFetchException implements Exception {
+  DonationWalletsFetchException(this.message);
+
+  final String message;
+
+  @override
+  String toString() => 'DonationWalletsFetchException: $message';
+}

lib/infrastructure/support/donation_wallet_fallback_data.dart

@@ -0,0 +1,39 @@
+import 'package:subctrl/domain/entities/donation_wallet.dart';
+
+const List<DonationWallet> donationWalletFallbackData = [
+  DonationWallet(
+    label: 'BTC',
+    address: 'bc1qjtjzlxel5mn3pvtps2u2wnfease44783r5nmhl',
+    currency: 'BTC',
+    name: 'Bitcoin',
+    network: 'Bitcoin',
+  ),
+  DonationWallet(
+    label: 'USDT (TRON)',
+    address: 'TRsN3XgSXdeQz3yoGusW3f94KHsBNE62yR',
+    currency: 'USDT',
+    name: 'Tether',
+    network: 'TRON (TRC20)',
+  ),
+  DonationWallet(
+    label: 'ETH',
+    address: '0xDf3275d97DF7Ba76d12ec0F82378C1e0628A5F6F',
+    currency: 'ETH',
+    name: 'Ethereum',
+    network: 'Ethereum',
+  ),
+  DonationWallet(
+    label: 'TON',
+    address: 'UQCYgQSiRx5pk5E0ALzhz6WsFjuK3SyPiAe7vYG5uhidsyqj',
+    currency: 'TON',
+    name: 'Toncoin',
+    network: 'TON',
+  ),
+  DonationWallet(
+    label: 'SOL',
+    address: '2KRt8ASpGasvMSaWZfgFfrFgb1LaUHzudHfGiEcF9vVK',
+    currency: 'SOL',
+    name: 'Solana',
+    network: 'Solana',
+  ),
+];

lib/infrastructure/support/remote_donation_wallets_provider.dart

@@ -0,0 +1,75 @@
+import 'dart:convert';
+import 'dart:developer' as developer;
+
+import 'package:http/http.dart' as http;
+import 'package:subctrl/domain/entities/donation_wallet.dart';
+import 'package:subctrl/domain/services/donation_wallets_provider.dart';
+
+class RemoteDonationWalletsProvider implements DonationWalletsProvider {
+  RemoteDonationWalletsProvider({
+    required Uri endpoint,
+    http.Client? httpClient,
+  }) : _endpoint = endpoint,
+       _httpClient = httpClient ?? http.Client();
+
+  final Uri _endpoint;
+  final http.Client _httpClient;
+
+  static const _logName = 'RemoteDonationWalletsProvider';
+
+  @override
+  Future<List<DonationWallet>> fetchWallets() async {
+    try {
+      final response = await _httpClient.get(_endpoint);
+      if (response.statusCode != 200) {
+        throw DonationWalletsFetchException(
+          'Wallet request failed with status ${response.statusCode}',
+        );
+      }
+      return _parseResponse(response.body);
+    } catch (error, stackTrace) {
+      developer.log(
+        'Failed to fetch donation wallets',
+        name: _logName,
+        error: error,
+        stackTrace: stackTrace,
+      );
+      if (error is DonationWalletsFetchException) {
+        rethrow;
+      }
+      throw DonationWalletsFetchException('Unable to load donation wallets.');
+    }
+  }
+
+  List<DonationWallet> _parseResponse(String body) {
+    final decoded = json.decode(body);
+    if (decoded is! Map<String, dynamic>) {
+      throw DonationWalletsFetchException('Malformed wallets payload.');
+    }
+    final wallets = decoded['wallets'];
+    if (wallets is! List) {
+      return const [];
+    }
+    final parsed = <DonationWallet>[];
+    for (final entry in wallets) {
+      if (entry is! Map<String, dynamic>) continue;
+      final label = entry['label'];
+      final address = entry['address'];
+      if (label is! String || address is! String) {
+        continue;
+      }
+      parsed.add(
+        DonationWallet(
+          label: label.trim(),
+          address: address.trim(),
+          currency: (entry['currency'] as String?)?.trim(),
+          name: (entry['name'] as String?)?.trim(),
+          network: (entry['network'] as String?)?.trim(),
+        ),
+      );
+    }
+    return parsed;
+  }
+
+  void close() => _httpClient.close();
+}

lib/infrastructure/support/resilient_donation_wallets_provider.dart

@@ -0,0 +1,39 @@
+import 'dart:developer' as developer;
+
+import 'package:subctrl/domain/entities/donation_wallet.dart';
+import 'package:subctrl/domain/services/donation_wallets_provider.dart';
+
+class ResilientDonationWalletsProvider implements DonationWalletsProvider {
+  ResilientDonationWalletsProvider({
+    required DonationWalletsProvider primary,
+    required List<DonationWallet> fallbackWallets,
+  }) : _primary = primary,
+       _fallbackWallets = List<DonationWallet>.unmodifiable(fallbackWallets);
+
+  final DonationWalletsProvider _primary;
+  final List<DonationWallet> _fallbackWallets;
+
+  static const _logName = 'ResilientDonationWalletsProvider';
+
+  @override
+  Future<List<DonationWallet>> fetchWallets() async {
+    try {
+      final wallets = await _primary.fetchWallets();
+      if (wallets.isNotEmpty) {
+        return wallets;
+      }
+      developer.log(
+        'Primary provider returned empty list, using fallback.',
+        name: _logName,
+      );
+    } catch (error, stackTrace) {
+      developer.log(
+        'Primary provider failed, returning fallback wallets.',
+        name: _logName,
+        error: error,
+        stackTrace: stackTrace,
+      );
+    }
+    return _fallbackWallets;
+  }
+}

lib/presentation/l10n/app_localizations.dart

@@ -81,6 +81,11 @@ class AppLocalizations {
       'settingsAboutSupport': 'Support the project',
       'settingsAboutVersion': 'App version',
       'settingsCopyAction': 'Copy',
+      'settingsSupportLoading': 'Loading wallets...',
+      'settingsSupportError':
+          'Failed to load wallets. Check your connection and try again.',
+      'settingsSupportRetry': 'Retry',
+      'settingsSupportEmpty': 'Wallet list is empty right now.',
       'settingsCopySuccess': 'Copied to clipboard',
       'settingsVersionUnknown': 'Unknown',
       'settingsCurrenciesEnabledLabel': '{count} enabled',
@@ -228,6 +233,11 @@ class AppLocalizations {
       'settingsAboutSupport': 'Поддержать проект',
       'settingsAboutVersion': 'Версия приложения',
       'settingsCopyAction': 'Скопировать',
+      'settingsSupportLoading': 'Загружаем кошельки...',
+      'settingsSupportError':
+          'Не удалось загрузить кошельки. Проверьте соединение и попробуйте ещё раз.',
+      'settingsSupportRetry': 'Повторить',
+      'settingsSupportEmpty': 'Список кошельков пока пуст.',
       'settingsCopySuccess': 'Скопировано',
       'settingsVersionUnknown': 'Неизвестно',
       'settingsCurrenciesEnabledLabel': '{count} активны',
@@ -422,6 +432,10 @@ class AppLocalizations {
   String get settingsAboutSupport => _strings['settingsAboutSupport']!;
   String get settingsAboutVersion => _strings['settingsAboutVersion']!;
   String get settingsCopyAction => _strings['settingsCopyAction']!;
+  String get settingsSupportLoading => _strings['settingsSupportLoading']!;
+  String get settingsSupportError => _strings['settingsSupportError']!;
+  String get settingsSupportRetry => _strings['settingsSupportRetry']!;
+  String get settingsSupportEmpty => _strings['settingsSupportEmpty']!;
   String get settingsCopySuccess => _strings['settingsCopySuccess']!;
   String get settingsVersionUnknown => _strings['settingsVersionUnknown']!;
   String get settingsCurrenciesTitle => _strings['settingsCurrenciesTitle']!;

lib/presentation/screens/settings_screen.dart

@@ -306,7 +306,11 @@ class _SettingsScreenState extends State<SettingsScreen> {
   Future<void> _openSupport() async {
     await Navigator.of(context).push(
       CupertinoPageRoute<void>(
-        builder: (context) => SupportScreen(onClose: widget.onRequestClose),
+        builder: (context) => SupportScreen(
+          onClose: widget.onRequestClose,
+          fetchDonationWalletsUseCase:
+              widget.dependencies.fetchDonationWalletsUseCase,
+        ),
       ),
     );
   }