fix: migrate to Riverpod 3.x and update dependencies (#175) (#190)

lib/core/services/undo_service.dart

@@ -4,38 +4,39 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:sharedinbox/core/models/undo_action.dart';
 import 'package:sharedinbox/di.dart';
 
-class UndoService extends StateNotifier<List<UndoAction>> {
-  UndoService(this._ref) : super([]);
-
-  final Ref _ref;
+class UndoService extends Notifier<List<UndoAction>> {
   static const int _maxHistory = 10;
 
-  // Resolves once init() has loaded persisted history. Default to an already-
-  // resolved future so operations are safe even if init() is never called.
-  Future<void> _ready = Future.value();
+  // Resolves once build() has loaded persisted history.
+  late Future<void> _ready;
 
-  Future<void> init() async {
-    _ready = _ref.read(undoRepositoryProvider).getHistory().then((history) {
-      if (mounted) state = history;
+  @override
+  List<UndoAction> build() {
+    _ready = ref.read(undoRepositoryProvider).getHistory().then((history) {
+      if (ref.mounted) state = history;
     });
-    await _ready;
+    return [];
   }
 
+  /// Waits for the persisted history to finish loading. Called by tests to
+  /// ensure the provider is ready before asserting state.
+  Future<void> init() => _ready;
+
   Future<void> pushAction(UndoAction action) async {
     await _ready;
     final newList = [...state, action];
     if (newList.length > _maxHistory) {
       final removed = newList.removeAt(0);
-      await _ref.read(undoRepositoryProvider).deleteAction(removed.id);
+      await ref.read(undoRepositoryProvider).deleteAction(removed.id);
     }
     state = newList;
-    await _ref.read(undoRepositoryProvider).saveAction(action);
+    await ref.read(undoRepositoryProvider).saveAction(action);
   }
 
   Future<void> clear() async {
     await _ready;
     state = [];
-    unawaited(_ref.read(undoRepositoryProvider).clearHistory());
+    unawaited(ref.read(undoRepositoryProvider).clearHistory());
   }
 
   Future<void> undo({String? actionId}) async {
@@ -57,7 +58,7 @@ class UndoService extends StateNotifier<List<UndoAction>> {
     // happened and retry if the undo failed (e.g. after an IMAP sync reverted
     // the local change). The inverse action added below allows undoing the undo.
 
-    final repo = _ref.read(emailRepositoryProvider);
+    final repo = ref.read(emailRepositoryProvider);
 
     for (final id in action.emailIds) {
       // 1. Try to cancel the original change (if not started yet).

lib/di.dart

@@ -11,6 +11,7 @@ import 'package:sharedinbox/core/repositories/email_repository.dart';
 import 'package:sharedinbox/core/repositories/mailbox_repository.dart';
 import 'package:sharedinbox/core/repositories/search_history_repository.dart';
 import 'package:sharedinbox/core/repositories/share_key_repository.dart';
+import 'package:sharedinbox/core/repositories/sync_log_repository.dart';
 import 'package:sharedinbox/core/repositories/undo_repository.dart';
 import 'package:sharedinbox/core/services/account_discovery_service.dart';
 import 'package:sharedinbox/core/services/connection_test_service.dart';
@@ -101,7 +102,7 @@ final searchHistoryRepositoryProvider =
   return SearchHistoryRepositoryImpl(ref.watch(dbProvider));
 });
 
-final syncLogRepositoryProvider = Provider((ref) {
+final syncLogRepositoryProvider = Provider<SyncLogRepository>((ref) {
   return SyncLogRepositoryImpl(ref.watch(dbProvider));
 });
 
@@ -181,11 +182,7 @@ final manageSieveProbeServiceProvider = Provider<ManageSieveProbeService>((
 });
 
 final undoServiceProvider =
-    StateNotifierProvider<UndoService, List<UndoAction>>((ref) {
-  final service = UndoService(ref);
-  unawaited(service.init());
-  return service;
-});
+    NotifierProvider<UndoService, List<UndoAction>>(UndoService.new);
 
 /// Loads email header + body and marks the email as seen.
 /// Owned by [EmailDetailScreen]; decouples data loading from the widget tree.
@@ -194,16 +191,18 @@ final emailDetailProvider = AsyncNotifierProvider.autoDispose
   EmailDetailNotifier.new,
 );
 
-class EmailDetailNotifier
-    extends AutoDisposeFamilyAsyncNotifier<(Email?, EmailBody), String> {
+class EmailDetailNotifier extends AsyncNotifier<(Email?, EmailBody)> {
+  EmailDetailNotifier(this._emailId);
+  final String _emailId;
+
   @override
-  Future<(Email?, EmailBody)> build(String emailId) async {
+  Future<(Email?, EmailBody)> build() async {
     final repo = ref.read(emailRepositoryProvider);
     final results = await Future.wait([
-      repo.getEmail(emailId),
-      repo.getEmailBody(emailId),
+      repo.getEmail(_emailId),
+      repo.getEmailBody(_emailId),
     ]);
-    unawaited(repo.setFlag(emailId, seen: true));
+    unawaited(repo.setFlag(_emailId, seen: true));
     return (results[0] as Email?, results[1] as EmailBody);
   }
 }

lib/main.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_riverpod/misc.dart' show Override;
 
 import 'package:sharedinbox/core/services/notification_service.dart';
 import 'package:sharedinbox/core/sync/background_sync.dart';

lib/ui/screens/email_detail_screen.dart

@@ -43,15 +43,15 @@ class _EmailDetailScreenState extends ConsumerState<EmailDetailScreen> {
     ref.listen<AsyncValue<(Email?, EmailBody)>>(
       emailDetailProvider(widget.emailId),
       (_, next) {
-        final email = next.valueOrNull?.$1;
+        final email = next.value?.$1;
         if (email != null && mounted) {
           setState(() => _isFlagged = email.isFlagged);
         }
       },
     );
 
-    final header = detail.valueOrNull?.$1;
-    final body = detail.valueOrNull?.$2;
+    final header = detail.value?.$1;
+    final body = detail.value?.$2;
 
     final isMobile = defaultTargetPlatform == TargetPlatform.android ||
         defaultTargetPlatform == TargetPlatform.iOS;

lib/ui/screens/email_list_screen.dart

@@ -261,9 +261,9 @@ class _EmailListScreenState extends ConsumerState<EmailListScreen> {
 
   Widget _buildSyncButton(EmailRepository emailRepo) {
     final isSyncing =
-        ref.watch(isSyncingProvider(widget.accountId)).valueOrNull ?? false;
+        ref.watch(isSyncingProvider(widget.accountId)).value ?? false;
     final hasError =
-        ref.watch(syncLastErrorProvider(widget.accountId)).valueOrNull != null;
+        ref.watch(syncLastErrorProvider(widget.accountId)).value != null;
     return IconButton(
       tooltip: isSyncing
           ? 'Syncing…'
@@ -350,7 +350,7 @@ class _EmailListScreenState extends ConsumerState<EmailListScreen> {
 
   Widget _buildSyncErrorBanner() {
     final errorAsync = ref.watch(syncLastErrorProvider(widget.accountId));
-    final error = errorAsync.valueOrNull;
+    final error = errorAsync.value;
     if (error == null || error == _dismissedError) {
       return const SizedBox.shrink();
     }

pubspec.lock

@@ -415,10 +415,10 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_riverpod
-      sha256: "9532ee6db4a943a1ed8383072a2e3eeda041db5657cdf6d2acecf3c21ecbe7e1"
+      sha256: "4e166be88e1dbbaa34a280bdb744aeae73b7ef25fdf8db7a3bb776760a3648e2"
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "3.3.1"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -891,10 +891,10 @@ packages:
     dependency: transitive
     description:
       name: riverpod
-      sha256: "59062512288d3056b2321804332a13ffdd1bf16df70dcc8e506e411280a72959"
+      sha256: "8c22216be8ad3ef2b44af3a329693558c98eca7b8bd4ef495c92db0bba279f83"
       url: "https://pub.dev"
     source: hosted
-    version: "2.6.1"
+    version: "3.2.1"
   share_plus:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -24,7 +24,7 @@ dependencies:
   path: ^1.9.1
 
   # State management
-  flutter_riverpod: ^2.6.1
+  flutter_riverpod: ^3.0.0
 
   # Navigation
   go_router: ^17.2.3

test/widget/compose_screen_test.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_riverpod/misc.dart' show Override;
 import 'package:flutter_test/flutter_test.dart';
 import 'package:go_router/go_router.dart';
 

test/widget/email_detail_screen_test.dart

@@ -3,7 +3,7 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:flutter/material.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_riverpod/misc.dart' show Override;
 import 'package:flutter_test/flutter_test.dart';
 import 'package:path_provider_platform_interface/path_provider_platform_interface.dart';
 

test/widget/email_list_screen_golden_test.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_riverpod/misc.dart' show Override;
 import 'package:flutter_test/flutter_test.dart';
 
 import 'package:sharedinbox/core/models/email.dart';

test/widget/helpers.dart

@@ -6,6 +6,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_riverpod/misc.dart' show Override;
 import 'package:go_router/go_router.dart';
 
 import 'package:sharedinbox/core/models/account.dart';
@@ -19,6 +20,7 @@ import 'package:sharedinbox/core/repositories/email_repository.dart';
 import 'package:sharedinbox/core/repositories/mailbox_repository.dart';
 import 'package:sharedinbox/core/repositories/search_history_repository.dart';
 import 'package:sharedinbox/core/repositories/share_key_repository.dart';
+import 'package:sharedinbox/core/repositories/sync_log_repository.dart';
 import 'package:sharedinbox/core/services/account_discovery_service.dart';
 import 'package:sharedinbox/core/services/connection_test_service.dart';
 import 'package:sharedinbox/core/services/managesieve_probe_service.dart';
@@ -473,10 +475,18 @@ Widget buildApp({
   );
 
   return ProviderScope(
-    // Always neutralise the ManageSieve probe so widget tests never open a
-    // real socket. Tests that need to assert on probe behaviour should supply
-    // their own override before this default in [overrides].
+    // Defaults come first so tests can override them via [overrides].
+    //
+    // syncHealthProvider and syncLogRepositoryProvider are backed by Drift
+    // StreamQueries. When a StreamProvider that wraps a Drift query is disposed,
+    // Drift schedules a Timer.run() for cache debouncing. Flutter's test
+    // framework then fails the test with "A Timer is still pending". Replacing
+    // these with simple synchronous streams avoids the pending-timer assertion.
     overrides: [
+      syncHealthProvider.overrideWith((ref, _) => Stream.value(null)),
+      syncLogRepositoryProvider.overrideWithValue(
+        const NoOpSyncLogRepository(),
+      ),
       ...overrides,
       manageSieveProbeServiceProvider.overrideWith(
         (ref) => _NoOpManageSieveProbeService(),