Add persisted local state and baseline CRUD flows
This commit is contained in:
Rijad Zuzo
@@ -1,105 +1,175 @@
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import 'dart:convert';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:relationship_saver/features/local/local_models.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:uuid/uuid.dart';
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class LocalRepository {
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const LocalRepository();
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/// Persisted local data source for offline-first product state.
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class LocalRepository extends AsyncNotifier<LocalDataState> {
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static const String _storageKey = 'local_data_state_v1';
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static const String _schemaVersionKey = 'local_data_schema_version';
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static const int _schemaVersion = 1;
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List<PersonProfile> people() {
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return <PersonProfile>[
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PersonProfile(
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id: 'p-ava',
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name: 'Ava Hart',
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relationship: 'Partner',
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affinityScore: 92,
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nextMoment: DateTime(2026, 2, 16, 19, 30),
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tags: <String>['coffee', 'books', 'slow mornings'],
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notes: 'Prefers thoughtful plans over expensive plans.',
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),
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PersonProfile(
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id: 'p-jordan',
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name: 'Jordan Lee',
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relationship: 'Close Friend',
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affinityScore: 78,
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nextMoment: DateTime(2026, 2, 18, 18, 0),
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tags: <String>['running', 'street food'],
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notes: 'Has a race on Sunday; ask how training is going.',
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),
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PersonProfile(
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id: 'p-mila',
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name: 'Mila Stone',
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relationship: 'Sister',
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affinityScore: 84,
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nextMoment: DateTime(2026, 2, 20, 12, 0),
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tags: <String>['plants', 'retro music'],
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notes: 'Birthday prep should start this week.',
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),
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];
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static const Uuid _uuid = Uuid();
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@override
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Future<LocalDataState> build() async {
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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await _migrateIfNeeded(prefs);
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final String? raw = prefs.getString(_storageKey);
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if (raw == null || raw.isEmpty) {
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final LocalDataState seeded = LocalDataState.seed();
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await _persist(seeded);
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return seeded;
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}
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try {
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final Map<String, dynamic> json = jsonDecode(raw) as Map<String, dynamic>;
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return LocalDataState.fromJson(json);
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} on FormatException {
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final LocalDataState fallback = LocalDataState.seed();
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await _persist(fallback);
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return fallback;
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}
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}
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List<RelationshipMoment> moments() {
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return <RelationshipMoment>[
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RelationshipMoment(
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id: 'm-1',
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personId: 'p-ava',
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title: 'Sunday Walk Tradition',
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summary: 'Short walk + no-phone hour worked really well.',
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at: DateTime(2026, 2, 9, 9, 30),
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type: 'ritual',
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),
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RelationshipMoment(
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id: 'm-2',
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personId: 'p-jordan',
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title: 'Post-workout Check-in',
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summary: 'Shared training playlist and grabbed smoothies.',
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at: DateTime(2026, 2, 11, 19, 0),
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type: 'support',
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),
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RelationshipMoment(
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id: 'm-3',
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personId: 'p-mila',
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title: 'Gift Idea Captured',
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summary: 'Found a vintage lamp from her saved style board.',
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at: DateTime(2026, 2, 12, 14, 20),
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type: 'gift',
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),
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];
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}
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List<DashboardTask> tasks() {
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return <DashboardTask>[
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DashboardTask(
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title: 'Plan Friday dinner with Ava',
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description: 'Keep it low-key: ramen + bookstore stop.',
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when: DateTime(2026, 2, 16, 17, 0),
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),
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DashboardTask(
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title: 'Send race-day encouragement to Jordan',
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description: 'Voice note before 8:00 AM.',
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when: DateTime(2026, 2, 17, 7, 30),
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),
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DashboardTask(
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title: 'Finalize Mila birthday shortlist',
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description: 'Pick 1 meaningful gift and 1 backup.',
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when: DateTime(2026, 2, 18, 20, 0),
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),
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];
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}
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DashboardSummary summary() {
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return DashboardSummary(
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activePeople: people().length,
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upcomingPlans: people()
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.where(
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(PersonProfile p) => p.nextMoment.isAfter(DateTime(2026, 2, 14)),
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)
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.length,
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pendingIdeas: 6,
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weeklyConsistency: 82,
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Future<void> addPerson({
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required String name,
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required String relationship,
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required String notes,
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required List<String> tags,
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DateTime? nextMoment,
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}) async {
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final LocalDataState current = _requireState();
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final PersonProfile person = PersonProfile(
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id: 'p-${_uuid.v4()}',
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name: name.trim(),
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relationship: relationship.trim(),
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affinityScore: 75,
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nextMoment: nextMoment ?? DateTime.now().add(const Duration(days: 3)),
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tags: tags,
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notes: notes.trim(),
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);
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final List<PersonProfile> people = <PersonProfile>[
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person,
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...current.people,
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];
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await _setState(current.copyWith(people: people));
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}
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Future<void> updatePerson(PersonProfile person) async {
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final LocalDataState current = _requireState();
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final List<PersonProfile> updated = current.people
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.map((PersonProfile item) => item.id == person.id ? person : item)
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.toList(growable: false);
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await _setState(current.copyWith(people: updated));
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}
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Future<void> deletePerson(String personId) async {
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final LocalDataState current = _requireState();
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final List<PersonProfile> people = current.people
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.where((PersonProfile person) => person.id != personId)
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.toList(growable: false);
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final List<RelationshipMoment> moments = current.moments
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.where((RelationshipMoment moment) => moment.personId != personId)
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.toList(growable: false);
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await _setState(current.copyWith(people: people, moments: moments));
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}
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Future<void> addMoment({
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required String personId,
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required String summary,
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String type = 'capture',
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}) async {
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final LocalDataState current = _requireState();
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final String normalized = summary.trim();
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if (normalized.isEmpty) {
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return;
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}
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final String title = _titleFromSummary(normalized);
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final RelationshipMoment moment = RelationshipMoment(
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id: 'm-${_uuid.v4()}',
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personId: personId,
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title: title,
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summary: normalized,
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at: DateTime.now(),
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type: type,
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);
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final List<RelationshipMoment> moments = <RelationshipMoment>[
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moment,
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...current.moments,
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];
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await _setState(current.copyWith(moments: moments));
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}
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Future<void> deleteMoment(String momentId) async {
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final LocalDataState current = _requireState();
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final List<RelationshipMoment> moments = current.moments
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.where((RelationshipMoment moment) => moment.id != momentId)
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.toList(growable: false);
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await _setState(current.copyWith(moments: moments));
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}
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Future<void> toggleTaskDone(String taskId) async {
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final LocalDataState current = _requireState();
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final List<DashboardTask> tasks = current.tasks
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.map(
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(DashboardTask task) =>
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task.id == taskId ? task.copyWith(done: !task.done) : task,
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)
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.toList(growable: false);
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await _setState(current.copyWith(tasks: tasks));
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}
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Future<void> _setState(LocalDataState next) async {
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state = AsyncData<LocalDataState>(next);
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await _persist(next);
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}
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LocalDataState _requireState() {
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final LocalDataState? value = state.asData?.value;
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if (value == null) {
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throw StateError('Local data state is not ready yet');
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}
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return value;
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}
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Future<void> _persist(LocalDataState state) async {
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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await prefs.setString(_storageKey, jsonEncode(state.toJson()));
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await prefs.setInt(_schemaVersionKey, _schemaVersion);
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}
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Future<void> _migrateIfNeeded(SharedPreferences prefs) async {
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final int currentVersion = prefs.getInt(_schemaVersionKey) ?? 0;
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if (currentVersion == _schemaVersion) {
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return;
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}
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if (currentVersion <= 0) {
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await prefs.remove(_storageKey);
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await prefs.setInt(_schemaVersionKey, _schemaVersion);
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return;
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}
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// Migration placeholder for future schema versions.
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await prefs.setInt(_schemaVersionKey, _schemaVersion);
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}
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String _titleFromSummary(String summary) {
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final List<String> words = summary.split(RegExp(r'\s+'));
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final int take = words.length < 5 ? words.length : 5;
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return words.take(take).join(' ');
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}
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}
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final Provider<LocalRepository> localRepositoryProvider =
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Provider<LocalRepository>((Ref ref) {
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return const LocalRepository();
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});
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final AsyncNotifierProvider<LocalRepository, LocalDataState>
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localRepositoryProvider =
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AsyncNotifierProvider<LocalRepository, LocalDataState>(LocalRepository.new);
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