354 lines
11 KiB
Dart
354 lines
11 KiB
Dart
import 'dart:async';
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import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:island/models/post.dart';
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import 'package:island/pods/network.dart';
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import 'package:island/widgets/app_scaffold.dart';
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import 'package:island/widgets/post/post_item.dart';
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import 'package:island/pods/paging.dart';
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import 'package:island/widgets/paging/pagination_list.dart';
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import 'package:styled_widget/styled_widget.dart';
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final postSearchNotifierProvider =
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AsyncNotifierProvider.autoDispose<PostSearchNotifier, List<SnPost>>(
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PostSearchNotifier.new,
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);
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class PostSearchNotifier extends AutoDisposeAsyncNotifier<List<SnPost>>
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with AutoDisposeAsyncPaginationController<SnPost> {
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static const int _pageSize = 20;
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String _currentQuery = '';
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String? _pubName;
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String? _realm;
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int? _type;
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List<String>? _categories;
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List<String>? _tags;
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bool _shuffle = false;
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bool? _pinned;
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@override
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FutureOr<List<SnPost>> build() async {
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// Initial state is empty if no query/filters, or fetch if needed
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// But original logic allowed initial empty state.
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// Let's replicate original logic: return empty list initially if no query.
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return [];
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}
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Future<void> search(
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String query, {
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String? pubName,
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String? realm,
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int? type,
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List<String>? categories,
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List<String>? tags,
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bool shuffle = false,
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bool? pinned,
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}) async {
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_currentQuery = query.trim();
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_pubName = pubName;
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_realm = realm;
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_type = type;
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_categories = categories;
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_tags = tags;
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_shuffle = shuffle;
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_pinned = pinned;
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final hasFilters =
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pubName != null ||
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realm != null ||
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type != null ||
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categories != null ||
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tags != null ||
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shuffle ||
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pinned != null;
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if (_currentQuery.isEmpty && !hasFilters) {
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state = const AsyncData([]);
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totalCount = null;
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return;
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}
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await refresh();
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}
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@override
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Future<List<SnPost>> fetch() async {
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final client = ref.read(apiClientProvider);
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final response = await client.get(
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'/sphere/posts',
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queryParameters: {
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'query': _currentQuery,
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'offset': fetchedCount,
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'take': _pageSize,
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'vector': false,
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if (_pubName != null) 'pub': _pubName,
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if (_realm != null) 'realm': _realm,
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if (_type != null) 'type': _type,
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if (_tags != null) 'tags': _tags,
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if (_categories != null) 'categories': _categories,
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if (_shuffle) 'shuffle': true,
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if (_pinned != null) 'pinned': _pinned,
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},
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);
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totalCount = int.parse(response.headers.value('X-Total') ?? '0');
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final data = response.data as List;
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return data.map((json) => SnPost.fromJson(json)).toList();
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}
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}
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class PostSearchScreen extends HookConsumerWidget {
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const PostSearchScreen({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final searchController = useTextEditingController();
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final debounce = useMemoized(() => Duration(milliseconds: 500));
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final debounceTimer = useRef<Timer?>(null);
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final showFilters = useState(false);
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final pubNameController = useTextEditingController();
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final realmController = useTextEditingController();
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final typeValue = useState<int?>(null);
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final selectedCategories = useState<List<String>>([]);
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final selectedTags = useState<List<String>>([]);
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final shuffleValue = useState(false);
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final pinnedValue = useState<bool?>(null);
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useEffect(() {
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return () {
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searchController.dispose();
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pubNameController.dispose();
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realmController.dispose();
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debounceTimer.value?.cancel();
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};
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}, []);
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void onSearchChanged(String query) {
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if (debounceTimer.value?.isActive ?? false) debounceTimer.value!.cancel();
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debounceTimer.value = Timer(debounce, () {
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ref.read(postSearchNotifierProvider.notifier).search(query);
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});
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}
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void onSearchWithFilters(String query) {
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if (debounceTimer.value?.isActive ?? false) debounceTimer.value!.cancel();
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debounceTimer.value = Timer(debounce, () {
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ref
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.read(postSearchNotifierProvider.notifier)
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.search(
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query,
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pubName:
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pubNameController.text.isNotEmpty
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? pubNameController.text
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: null,
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realm:
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realmController.text.isNotEmpty ? realmController.text : null,
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type: typeValue.value,
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categories:
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selectedCategories.value.isNotEmpty
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? selectedCategories.value
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: null,
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tags: selectedTags.value.isNotEmpty ? selectedTags.value : null,
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shuffle: shuffleValue.value,
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pinned: pinnedValue.value,
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);
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});
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}
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void toggleFilters() {
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showFilters.value = !showFilters.value;
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}
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void applyFilters() {
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onSearchWithFilters(searchController.text);
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}
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void clearFilters() {
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pubNameController.clear();
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realmController.clear();
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typeValue.value = null;
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selectedCategories.value = [];
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selectedTags.value = [];
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shuffleValue.value = false;
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pinnedValue.value = null;
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onSearchChanged(searchController.text);
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}
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Widget buildFilterPanel() {
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return Card(
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margin: EdgeInsets.symmetric(vertical: 8, horizontal: 8),
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child: Padding(
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padding: EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'filters'.tr(),
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style: Theme.of(context).textTheme.titleMedium,
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).padding(left: 4),
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Row(
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children: [
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TextButton(
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onPressed: applyFilters,
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child: Text('apply'.tr()),
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),
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TextButton(
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onPressed: clearFilters,
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child: Text('clear'.tr()),
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),
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],
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),
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],
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),
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SizedBox(height: 16),
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TextField(
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controller: pubNameController,
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decoration: InputDecoration(
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labelText: 'pubName'.tr(),
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border: OutlineInputBorder(
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borderRadius: const BorderRadius.all(Radius.circular(12)),
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),
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),
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onChanged:
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(value) => onSearchWithFilters(searchController.text),
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),
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SizedBox(height: 8),
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TextField(
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controller: realmController,
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decoration: InputDecoration(
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labelText: 'realm'.tr(),
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border: OutlineInputBorder(
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borderRadius: const BorderRadius.all(Radius.circular(12)),
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),
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),
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onChanged:
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(value) => onSearchWithFilters(searchController.text),
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),
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SizedBox(height: 8),
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Row(
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children: [
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Checkbox(
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value: shuffleValue.value,
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onChanged: (value) {
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shuffleValue.value = value ?? false;
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onSearchWithFilters(searchController.text);
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},
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),
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Text('shuffle'.tr()),
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],
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),
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Row(
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children: [
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Checkbox(
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value: pinnedValue.value ?? false,
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onChanged: (value) {
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pinnedValue.value = value;
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onSearchWithFilters(searchController.text);
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},
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),
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Text('pinned'.tr()),
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],
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),
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],
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),
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),
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);
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}
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return AppScaffold(
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isNoBackground: false,
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appBar: AppBar(
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title: Row(
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children: [
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Expanded(
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child: TextField(
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controller: searchController,
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decoration: InputDecoration(
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hintText: 'search'.tr(),
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border: InputBorder.none,
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hintStyle: TextStyle(
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color: Theme.of(context).appBarTheme.foregroundColor,
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),
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),
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style: TextStyle(
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color: Theme.of(context).appBarTheme.foregroundColor,
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),
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onChanged: onSearchChanged,
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onSubmitted: (value) {
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onSearchWithFilters(value);
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},
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autofocus: true,
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),
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),
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IconButton(
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icon: Icon(
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showFilters.value
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? Icons.filter_alt
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: Icons.filter_alt_outlined,
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),
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onPressed: toggleFilters,
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tooltip: 'toggleFilters'.tr(),
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),
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],
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),
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),
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body: Consumer(
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builder: (context, ref, child) {
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final searchState = ref.watch(postSearchNotifierProvider);
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return CustomScrollView(
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slivers: [
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if (showFilters.value)
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SliverToBoxAdapter(
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child: Center(
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 600),
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child: buildFilterPanel(),
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),
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),
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),
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// Use PaginationList with isSliver=true
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PaginationList(
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provider: postSearchNotifierProvider,
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notifier: postSearchNotifierProvider.notifier,
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isSliver: true,
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isRefreshable:
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false, // CustomScrollView handles refreshing usually, but here we don't have PullToRefresh
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itemBuilder: (context, index, post) {
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return Center(
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child: ConstrainedBox(
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constraints: BoxConstraints(maxWidth: 600),
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child: Card(
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margin: EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 4,
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),
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child: PostActionableItem(item: post, borderRadius: 8),
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),
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),
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);
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},
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),
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if (searchState.valueOrNull?.isEmpty == true &&
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searchController.text.isNotEmpty &&
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!searchState.isLoading)
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SliverFillRemaining(
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child: Center(child: Text('noResultsFound'.tr())),
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),
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],
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);
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},
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),
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);
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}
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}
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