58 lines
1.9 KiB
Dart
58 lines
1.9 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../core/models/bookmark_model.dart';
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import '../../../core/network/providers.dart';
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class BookshelfNotifier extends StateNotifier<AsyncValue<List<BookmarkModel>>> {
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final Ref _ref;
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BookshelfNotifier(this._ref) : super(const AsyncValue.loading()) {
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fetch();
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}
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Future<void> fetch() async {
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state = const AsyncValue.loading();
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try {
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final client = _ref.read(apiClientProvider);
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final res = await client.dio.get('/api/user/bookmarks');
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final list = (res.data as List)
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.map((e) => BookmarkModel.fromJson(e as Map<String, dynamic>))
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.toList();
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state = AsyncValue.data(list);
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} catch (e, st) {
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state = AsyncValue.error(e, st);
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}
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}
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Future<void> toggle(String novelId) async {
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try {
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final client = _ref.read(apiClientProvider);
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final current = state.valueOrNull ?? [];
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final existing = current.where((b) => b.novelId == novelId).toList();
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if (existing.isEmpty) {
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final res = await client.dio.post('/api/user/bookmarks', data: {'novelId': novelId});
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final updated = BookmarkModel.fromJson(res.data as Map<String, dynamic>);
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state = AsyncValue.data([...current, updated]);
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} else {
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await client.dio.delete('/api/user/bookmarks/$novelId');
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state = AsyncValue.data(current.where((b) => b.novelId != novelId).toList());
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}
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} catch (e, st) {
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state = AsyncValue.error(e, st);
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}
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}
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bool isBookmarked(String novelId) {
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return (state.valueOrNull ?? []).any((b) => b.novelId == novelId);
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}
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}
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final bookshelfProvider =
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StateNotifierProvider<BookshelfNotifier, AsyncValue<List<BookmarkModel>>>((ref) {
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return BookshelfNotifier(ref);
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});
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final isBookmarkedProvider = Provider.family<bool, String>((ref, novelId) {
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final bookshelf = ref.watch(bookshelfProvider);
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return bookshelf.valueOrNull?.any((b) => b.novelId == novelId) ?? false;
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});
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