Post reactions

This commit is contained in:
2025-05-05 13:13:42 +08:00
parent db7fef4a72
commit e4e562918c
21 changed files with 1054 additions and 919 deletions

View File

@ -16,7 +16,8 @@ class ExploreScreen extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) {
final postAsync = ref.watch(postListProvider);
final posts = ref.watch(postListProvider);
final postsNotifier = ref.watch(postListProvider.notifier);
return AppScaffold(
appBar: AppBar(title: const Text('Explore')),
@ -32,60 +33,48 @@ class ExploreScreen extends ConsumerWidget {
child: const Icon(Symbols.edit),
),
floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
body: postAsync.when(
data:
(controller) => RefreshIndicator(
onRefresh:
() => Future.sync((() {
ref.invalidate(postListProvider);
})),
child: InfiniteList(
padding: EdgeInsets.only(
bottom: MediaQuery.of(context).padding.bottom,
),
itemCount: controller.posts.length,
isLoading: controller.isLoading,
hasReachedMax: controller.hasReachedMax,
onFetchData: controller.fetchMore,
itemBuilder: (context, index) {
final post = controller.posts[index];
return PostItem(
item: post,
onRefresh: (_) {
ref.invalidate(postListProvider);
},
);
},
separatorBuilder: (_, __) => const Divider(height: 1),
),
),
loading: () => const Center(child: CircularProgressIndicator()),
error:
(e, _) => GestureDetector(
child: Center(
child: Text('Error: $e', textAlign: TextAlign.center),
),
onTap: () {
body: RefreshIndicator(
onRefresh:
() => Future.sync((() {
ref.invalidate(postListProvider);
})),
child: InfiniteList(
padding: EdgeInsets.only(
bottom: MediaQuery.of(context).padding.bottom,
),
itemCount: posts.length,
isLoading: postsNotifier.isLoading,
hasReachedMax: postsNotifier.hasReachedMax,
onFetchData: postsNotifier.fetchMore,
itemBuilder: (context, index) {
final post = posts[index];
return PostItem(
item: post,
onRefresh: (_) {
ref.invalidate(postListProvider);
},
),
onUpdate: (post) {
postsNotifier.updateOne(index, post);
},
);
},
separatorBuilder: (_, __) => const Divider(height: 1),
),
),
);
}
}
final postListProvider = FutureProvider<_PostListController>((ref) async {
final client = ref.watch(apiClientProvider);
final controller = _PostListController(client);
await controller.fetchMore();
return controller;
});
final postListProvider =
StateNotifierProvider<_PostListController, List<SnPost>>((ref) {
final client = ref.watch(apiClientProvider);
return _PostListController(client);
});
class _PostListController {
_PostListController(this._dio);
class _PostListController extends StateNotifier<List<SnPost>> {
_PostListController(this._dio) : super([]);
final Dio _dio;
final List<SnPost> posts = [];
bool isLoading = false;
bool hasReachedMax = false;
int offset = 0;
@ -109,10 +98,16 @@ class _PostListController {
final headerTotal = int.tryParse(response.headers['x-total']?.first ?? '');
if (headerTotal != null) total = headerTotal;
posts.addAll(fetched);
state = [...state, ...fetched];
offset += fetched.length;
if (posts.length >= total) hasReachedMax = true;
if (state.length >= total) hasReachedMax = true;
isLoading = false;
}
void updateOne(int index, SnPost post) {
final updatedPosts = [...state];
updatedPosts[index] = post;
state = updatedPosts;
}
}