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avoid using builders

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This commit is contained in:
Fabian Freund
2025-12-15 21:07:32 +01:00
parent e7a9d03bbc
commit b3a3b9930b
5 changed files with 575 additions and 595 deletions
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app/lib/features/web_feed/presentation/screens/feed_article_list.dart
+140 -149
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@@ -37,170 +37,161 @@ class FeedArticleListScreen extends HookConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final tags = ref.watch(articleFilterProvider);
final articlesAsync = ref.watch(
// ignore: provider_parameters
filteredArticleListProvider(feedId),
);
final feedTitle = ref.watch(
feedDataProvider(
feedId,
).select((value) => value.value?.title.whenNotEmpty),
);
final focusNode = useFocusNode();
final searchTextController = useTextEditingController();
final hasText = useListenableSelector(
searchTextController,
() => searchTextController.text.isNotEmpty,
);
useListenableCallback(searchTextController, () {
ref
.read(filteredArticleListProvider(feedId).notifier)
.search(searchTextController.text);
});
final bottomHeight = useMemoized(() {
var height = 56.0 + 4.0;
if (tags.isNotEmpty) {
height += 48;
}
return height;
}, [tags.isNotEmpty]);
return Scaffold(
body: NestedScrollView(
floatHeaderSlivers: true,
headerSliverBuilder: (context, innerBoxIsScrolled) {
return [
HookConsumer(
builder: (context, ref, child) {
final tags = ref.watch(articleFilterProvider);
final feedTitle = ref.watch(
feedDataProvider(
feedId,
).select((value) => value.value?.title.whenNotEmpty),
);
final focusNode = useFocusNode();
final searchTextController = useTextEditingController();
final hasText = useListenableSelector(
searchTextController,
() => searchTextController.text.isNotEmpty,
);
useListenableCallback(searchTextController, () {
ref
.read(filteredArticleListProvider(feedId).notifier)
.search(searchTextController.text);
});
final bottomHeight = useMemoized(() {
var height = 56.0 + 4.0;
if (tags.isNotEmpty) {
height += 48;
}
return height;
}, [tags.isNotEmpty]);
return SliverAppBar(
floating: true,
title: Text(feedTitle ?? 'Articles'),
bottom: PreferredSize(
preferredSize: Size(double.infinity, bottomHeight),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Column(
children: [
TextField(
focusNode: focusNode,
controller: searchTextController,
decoration: InputDecoration(
label: const Text('Search'),
suffixIcon: hasText
? IconButton(
onPressed: () {
searchTextController.clear();
focusNode.requestFocus();
},
icon: const Icon(Icons.clear),
)
: SpeechToTextButton(
onTextReceived: (data) {
searchTextController.text = data
.toString();
},
),
),
),
const SizedBox(height: 4),
if (tags.isNotEmpty)
SizedBox(
width: double.infinity,
height: 48,
child: FadingScroll(
fadingSize: 15,
builder: (context, controller) {
return ListView(
controller: controller,
shrinkWrap: true,
scrollDirection: Axis.horizontal,
children: tags
.map(
(tag) => Padding(
padding: const EdgeInsets.only(
right: 8.0,
),
child: FilterChip(
label: Text(tag),
showCheckmark: false,
selected: true,
onSelected: (value) {},
onDeleted: () {
ref
.read(
articleFilterProvider
.notifier,
)
.removeTag(tag);
},
),
),
)
.toList(),
);
},
),
),
],
SliverAppBar(
floating: true,
title: Text(feedTitle ?? 'Articles'),
bottom: PreferredSize(
preferredSize: Size(double.infinity, bottomHeight),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Column(
children: [
TextField(
focusNode: focusNode,
controller: searchTextController,
decoration: InputDecoration(
label: const Text('Search'),
suffixIcon: hasText
? IconButton(
onPressed: () {
searchTextController.clear();
focusNode.requestFocus();
},
icon: const Icon(Icons.clear),
)
: SpeechToTextButton(
onTextReceived: (data) {
searchTextController.text = data.toString();
},
),
),
),
),
const SizedBox(height: 4),
if (tags.isNotEmpty)
SizedBox(
width: double.infinity,
height: 48,
child: FadingScroll(
fadingSize: 15,
builder: (context, controller) {
return ListView(
controller: controller,
shrinkWrap: true,
scrollDirection: Axis.horizontal,
children: tags
.map(
(tag) => Padding(
padding: const EdgeInsets.only(
right: 8.0,
),
child: FilterChip(
label: Text(tag),
showCheckmark: false,
selected: true,
onSelected: (value) {},
onDeleted: () {
ref
.read(
articleFilterProvider
.notifier,
)
.removeTag(tag);
},
),
),
)
.toList(),
);
},
),
),
],
),
);
},
),
),
),
];
},
body: Consumer(
builder: (context, ref, child) {
final articlesAsync = ref.watch(
// ignore: provider_parameters
filteredArticleListProvider(feedId),
);
return articlesAsync.when(
skipLoadingOnReload: true,
data: (articles) {
return RefreshIndicator(
onRefresh: () async {
if (feedId != null) {
await ref
.read(fetchArticlesControllerProvider.notifier)
.fetchFeedArticles(feedId!);
} else {
await ref
.read(fetchArticlesControllerProvider.notifier)
.fetchAllArticles();
}
},
child: MediaQuery.removePadding(
removeTop: true,
context: context,
child: ListView.builder(
padding: EdgeInsets.zero,
itemCount: articles.length,
itemBuilder: (context, i) {
final article = articles[i];
return FeedArticleCard(
key: ValueKey(article.id),
article: article,
);
},
),
),
);
body: articlesAsync.when(
skipLoadingOnReload: true,
data: (articles) {
return RefreshIndicator(
onRefresh: () async {
if (feedId != null) {
await ref
.read(fetchArticlesControllerProvider.notifier)
.fetchFeedArticles(feedId!);
} else {
await ref
.read(fetchArticlesControllerProvider.notifier)
.fetchAllArticles();
}
},
error: (error, stackTrace) => Center(
child: FailureWidget(
title: 'Failed to load Articles',
exception: error,
child: MediaQuery.removePadding(
removeTop: true,
context: context,
child: ListView.builder(
padding: EdgeInsets.zero,
itemCount: articles.length,
itemBuilder: (context, i) {
final article = articles[i];
return FeedArticleCard(
key: ValueKey(article.id),
article: article,
);
},
),
),
loading: () => const SizedBox.shrink(),
);
},
error: (error, stackTrace) => Center(
child: FailureWidget(
title: 'Failed to load Articles',
exception: error,
),
),
loading: () => const SizedBox.shrink(),
),
),
);