306 lines
12 KiB
Dart
306 lines
12 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/widgets/app_scaffold.dart';
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import 'package:island/widgets/extended_refresh_indicator.dart';
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import 'package:island/widgets/post/post_item.dart';
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import 'package:island/widgets/post/post_item_skeleton.dart';
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import 'package:island/widgets/posts/post_filter.dart';
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import 'package:gap/gap.dart';
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import 'package:island/pods/post/post_list.dart';
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import 'package:island/services/responsive.dart';
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import 'package:island/widgets/paging/pagination_list.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:styled_widget/styled_widget.dart';
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const kSearchPostListId = 'search';
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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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// State variables for PostFilterWidget
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final categoryTabController = useTabController(initialLength: 3);
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// Single query state
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final queryState = useState(const PostListQuery());
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final noti = ref.read(
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postListProvider(PostListQueryConfig(id: kSearchPostListId)).notifier,
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);
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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, {bool skipDebounce = false}) {
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queryState.value = queryState.value.copyWith(queryTerm: query);
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if (skipDebounce) {
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noti.applyFilter(queryState.value);
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return;
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}
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if (debounceTimer.value?.isActive ?? false) debounceTimer.value!.cancel();
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debounceTimer.value = Timer(debounce, () {
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noti.applyFilter(queryState.value);
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});
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}
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void toggleFilterDisplay() {
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showFilters.value = !showFilters.value;
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}
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Widget buildFilterPanel() {
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return PostFilterWidget(
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categoryTabController: categoryTabController,
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initialQuery: queryState.value,
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onQueryChanged: (newQuery) {
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queryState.value = newQuery;
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noti.applyFilter(newQuery);
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},
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hideSearch: true,
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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: Text('searchPosts'.tr()),
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actions: [
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if (!isWideScreen(context))
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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: toggleFilterDisplay,
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tooltip: 'toggleFilters'.tr(),
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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(
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postListProvider(PostListQueryConfig(id: kSearchPostListId)),
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);
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return isWideScreen(context)
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? Row(
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children: [
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Flexible(
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flex: 4,
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child: ExtendedRefreshIndicator(
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onRefresh: noti.refresh,
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child: CustomScrollView(
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slivers: [
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SliverGap(16),
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SliverToBoxAdapter(
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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),
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child: SearchBar(
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elevation: WidgetStateProperty.all(4),
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controller: searchController,
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hintText: 'search'.tr(),
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leading: const Icon(Icons.search),
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padding: WidgetStateProperty.all(
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const EdgeInsets.symmetric(horizontal: 24),
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),
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onChanged: onSearchChanged,
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onSubmitted: (value) {
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onSearchChanged(value, skipDebounce: true);
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},
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),
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),
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),
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const SliverGap(12),
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PaginationList(
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provider: postListProvider(
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PostListQueryConfig(id: kSearchPostListId),
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),
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notifier: postListProvider(
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PostListQueryConfig(id: kSearchPostListId),
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).notifier,
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isSliver: true,
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isRefreshable: false,
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footerSkeletonChild: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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),
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child: const PostItemSkeleton(),
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),
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itemBuilder: (context, index, post) {
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return 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(
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item: post,
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borderRadius: 8,
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),
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);
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},
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),
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if (searchState.value?.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(
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child: Text('noResultsFound'.tr()),
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),
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),
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SliverGap(
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MediaQuery.of(context).padding.bottom + 16,
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),
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],
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).padding(left: 8),
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),
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),
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Flexible(
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flex: 3,
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child: Align(
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alignment: Alignment.topLeft,
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Gap(16),
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Card(
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margin: EdgeInsets.symmetric(horizontal: 8),
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 8,
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),
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child: Row(
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children: [
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const Icon(
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Symbols.tune,
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).padding(horizontal: 8),
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Expanded(
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child: Text(
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'filters'.tr(),
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style: Theme.of(
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context,
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).textTheme.bodyLarge,
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),
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),
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IconButton(
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icon: Icon(
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Symbols.filter_alt,
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fill: showFilters.value ? 1 : null,
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),
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onPressed: toggleFilterDisplay,
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tooltip: 'toggleFilters'.tr(),
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),
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const Gap(4),
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],
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),
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),
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),
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const Gap(8),
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if (showFilters.value) buildFilterPanel(),
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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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: CustomScrollView(
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slivers: [
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const SliverGap(4),
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SliverToBoxAdapter(
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 8,
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),
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child: SearchBar(
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elevation: WidgetStateProperty.all(4),
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controller: searchController,
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hintText: 'search'.tr(),
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leading: const Icon(Icons.search),
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padding: WidgetStateProperty.all(
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const EdgeInsets.symmetric(horizontal: 24),
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),
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onChanged: onSearchChanged,
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onSubmitted: (value) {
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onSearchChanged(value, skipDebounce: true);
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},
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),
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),
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),
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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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PaginationList(
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provider: postListProvider(
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PostListQueryConfig(id: kSearchPostListId),
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),
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notifier: postListProvider(
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PostListQueryConfig(id: kSearchPostListId),
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).notifier,
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isSliver: true,
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isRefreshable: false,
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footerSkeletonChild: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8),
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child: const PostItemSkeleton(),
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),
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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(
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item: post,
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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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),
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if (searchState.value?.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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