Surface/lib/services/tour.dart
LittleSheep a2053aa772 🐛 Fixes and optimzation on post
♻️ Replace freezed abstract classes with sealed
2025-05-24 22:38:07 +08:00

69 lines
2.0 KiB
Dart

import 'dart:convert';
import 'package:flutter/widgets.dart';
import 'package:freezed_annotation/freezed_annotation.dart';
import 'package:island/pods/config.dart';
import 'package:island/widgets/tour/techincal_review_intro.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'tour.g.dart';
part 'tour.freezed.dart';
const kAppTourStatusKey = "app_tour_statuses";
const List<Tour> kAllTours = [
Tour(id: 'technical_review_intro', isStartup: true),
];
@freezed
sealed class Tour with _$Tour {
const Tour._();
const factory Tour({required String id, required bool isStartup}) = _Tour;
Widget get widget => switch (id) {
'technical_review_intro' => const TechicalReviewIntroWidget(),
_ => throw UnimplementedError(),
};
}
@riverpod
class TourStatusNotifier extends _$TourStatusNotifier {
@override
Map<String, bool> build() {
final prefs = ref.watch(sharedPreferencesProvider);
final storedJson = prefs.getString(kAppTourStatusKey);
if (storedJson != null) {
try {
final Map<String, dynamic> stored = jsonDecode(storedJson);
return Map<String, bool>.from(stored);
} catch (_) {
return {for (final id in kAllTours.map((e) => e.id)) id: false};
}
}
return {for (final id in kAllTours.map((e) => e.id)) id: false};
}
bool isTourShown(String tourId) => state[tourId] ?? false;
Future<void> _saveState(Map<String, bool> newState) async {
state = newState;
final prefs = ref.read(sharedPreferencesProvider);
await prefs.setString(kAppTourStatusKey, jsonEncode(newState));
}
Future<Widget?> showTour(String tourId) async {
if (!isTourShown(tourId)) {
final newState = {...state, tourId: true};
await _saveState(newState);
return kAllTours.firstWhere((e) => e.id == tourId).widget;
}
return null;
}
Future<void> resetTours() async {
final newState = {for (final id in kAllTours.map((e) => e.id)) id: false};
await _saveState(newState);
}
}