ActivityPub service impl basis

This commit is contained in:
2025-12-29 01:01:47 +08:00
parent eb90dbbc5a
commit bb1a5155ed
31 changed files with 6705 additions and 4091 deletions

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@@ -0,0 +1,2 @@
export 'list.dart';
export 'search.dart';

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import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:island/models/activitypub.dart';
import 'package:island/services/activitypub_service.dart';
import 'package:island/widgets/activitypub/user_list_item.dart';
import 'package:island/widgets/alert.dart';
import 'package:island/widgets/app_scaffold.dart';
import 'package:island/widgets/extended_refresh_indicator.dart';
import 'package:material_symbols_icons/symbols.dart';
enum ActivityPubListType { following, followers }
class ApListScreen extends HookConsumerWidget {
final ActivityPubListType type;
const ApListScreen({super.key, required this.type});
@override
Widget build(BuildContext context, WidgetRef ref) {
final users = useState<List<SnActivityPubUser>>([]);
final isLoading = useState(true);
final followingUris = useState<Set<String>>({});
final isLoadingAction = useState<String?>(null);
Future<void> loadUsers() async {
isLoading.value = true;
try {
final service = ref.read(activityPubServiceProvider);
final result = type == ActivityPubListType.following
? await service.getFollowing()
: await service.getFollowers();
users.value = result;
followingUris.value = result.map((user) => user.actorUri).toSet();
} catch (err) {
showErrorAlert(err);
} finally {
isLoading.value = false;
}
}
Future<void> handleFollow(SnActivityPubUser user) async {
isLoadingAction.value = user.actorUri;
try {
final service = ref.read(activityPubServiceProvider);
await service.followRemoteUser(user.actorUri);
followingUris.value = {...followingUris.value, user.actorUri};
showSnackBar('followedUser'.tr(args: ['@${user.username}']));
} catch (err) {
showErrorAlert(err);
} finally {
isLoadingAction.value = null;
}
}
Future<void> handleUnfollow(SnActivityPubUser user) async {
isLoadingAction.value = user.actorUri;
try {
final service = ref.read(activityPubServiceProvider);
await service.unfollowRemoteUser(user.actorUri);
followingUris.value = followingUris.value
.where((uri) => uri != user.actorUri)
.toSet();
if (type == ActivityPubListType.following) {
users.value = users.value
.where((u) => u.actorUri != user.actorUri)
.toList();
}
showSnackBar('unfollowedUser'.tr(args: ['@${user.username}']));
} catch (err) {
showErrorAlert(err);
} finally {
isLoadingAction.value = null;
}
}
final title = type == ActivityPubListType.following
? 'following'.tr()
: 'followers'.tr();
return AppScaffold(
appBar: AppBar(
title: Text(title),
elevation: 0,
actions: [
IconButton(
icon: const Icon(Icons.refresh),
onPressed: loadUsers,
tooltip: 'refresh'.tr(),
),
],
),
body: isLoading.value
? const Center(child: CircularProgressIndicator())
: users.value.isEmpty
? Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Symbols.group,
size: 64,
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
const SizedBox(height: 16),
Text(
type == ActivityPubListType.following
? 'followingEmpty'.tr()
: 'followersEmpty'.tr(),
style: Theme.of(context).textTheme.titleMedium,
),
const SizedBox(height: 8),
Text(
'followingEmptyHint'.tr(),
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
],
),
)
: ExtendedRefreshIndicator(
onRefresh: loadUsers,
child: ListView.separated(
padding: const EdgeInsets.symmetric(vertical: 8),
itemCount: users.value.length,
separatorBuilder: (context, index) => const Divider(height: 1),
itemBuilder: (context, index) {
final user = users.value[index];
final isFollowing = followingUris.value.contains(
user.actorUri,
);
final isLoadingUser = isLoadingAction.value == user.actorUri;
return ActivityPubUserListItem(
user: user,
isFollowing: isFollowing,
isLoading: isLoadingUser,
onFollow: type == ActivityPubListType.followers
? () => handleFollow(user)
: null,
onUnfollow: type == ActivityPubListType.following
? () => handleUnfollow(user)
: null,
);
},
),
),
);
}
}

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import 'dart:async';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:island/models/activitypub.dart';
import 'package:island/services/activitypub_service.dart';
import 'package:island/widgets/activitypub/actor_list_item.dart';
import 'package:island/widgets/alert.dart';
import 'package:island/widgets/app_scaffold.dart';
import 'package:island/widgets/extended_refresh_indicator.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:styled_widget/styled_widget.dart';
class ApSearchScreen extends HookConsumerWidget {
const ApSearchScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final searchController = useTextEditingController();
final debounce = useMemoized(() => const Duration(milliseconds: 500));
final debounceTimer = useRef<Timer?>(null);
final searchResults = useState<List<SnActivityPubActor>>([]);
final isSearching = useState(false);
final followingUris = useState<Set<String>>({});
useEffect(() {
return () {
searchController.dispose();
debounceTimer.value?.cancel();
};
}, []);
Future<void> performSearch(String query) async {
if (query.trim().isEmpty) {
searchResults.value = [];
return;
}
isSearching.value = true;
try {
final service = ref.read(activityPubServiceProvider);
final results = await service.searchUsers(query);
searchResults.value = results;
} catch (err) {
showErrorAlert(err);
} finally {
isSearching.value = false;
}
}
void onSearchChanged(String query) {
if (debounceTimer.value?.isActive ?? false) {
debounceTimer.value!.cancel();
}
debounceTimer.value = Timer(debounce, () {
performSearch(query);
});
}
Future<void> handleFollow(SnActivityPubActor actor) async {
try {
followingUris.value = {...followingUris.value, actor.id};
final service = ref.read(activityPubServiceProvider);
await service.followRemoteUser(actor.id);
showSnackBar(
'followedUser'.tr(
args: [
'@${actor.username?.isNotEmpty ?? false ? actor.username : actor.displayName}',
],
),
);
} catch (err) {
showErrorAlert(err);
followingUris.value = followingUris.value
.where((uri) => uri != actor.id)
.toSet();
}
}
Future<void> handleUnfollow(SnActivityPubActor actor) async {
try {
followingUris.value = followingUris.value
.where((uri) => uri != actor.id)
.toSet();
final service = ref.read(activityPubServiceProvider);
await service.unfollowRemoteUser(actor.id);
showSnackBar(
'unfollowedUser'.tr(
args: [
'@${actor.username?.isNotEmpty ?? false ? actor.username : actor.displayName}',
],
),
);
} catch (err) {
showErrorAlert(err);
followingUris.value = {...followingUris.value, actor.id};
}
}
return AppScaffold(
appBar: AppBar(title: Text('searchFediverse'.tr()), elevation: 0),
body: Column(
children: [
Padding(
padding: const EdgeInsets.all(16),
child: SearchBar(
controller: searchController,
hintText: 'searchFediverseHint'.tr(
args: ['@username@instance.com'],
),
leading: const Icon(Symbols.search).padding(horizontal: 24),
onChanged: onSearchChanged,
onSubmitted: (value) {
onSearchChanged(value);
performSearch(value);
},
),
),
Expanded(
child: isSearching.value
? const Center(child: CircularProgressIndicator())
: searchResults.value.isEmpty
? Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Symbols.search,
size: 64,
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
const SizedBox(height: 16),
if (searchController.text.isEmpty)
Text(
'searchFediverseEmpty'.tr(),
style: Theme.of(context).textTheme.titleMedium,
)
else
Text(
'searchFediverseNoResults'.tr(),
style: Theme.of(context).textTheme.titleMedium,
),
],
),
)
: ExtendedRefreshIndicator(
onRefresh: () => performSearch(searchController.text),
child: ListView.separated(
padding: const EdgeInsets.symmetric(vertical: 8),
itemCount: searchResults.value.length,
separatorBuilder: (context, index) =>
const Divider(height: 1),
itemBuilder: (context, index) {
final actor = searchResults.value[index];
final isFollowing = followingUris.value.contains(
actor.id,
);
return ApActorListItem(
actor: actor,
isFollowing: isFollowing,
isLoading: false,
onFollow: () => handleFollow(actor),
onUnfollow: () => handleUnfollow(actor),
);
},
),
),
),
],
),
);
}
}

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@@ -138,6 +138,18 @@ class ExploreScreen extends HookConsumerWidget {
),
PopupMenuButton(
itemBuilder: (context) => [
PopupMenuItem(
child: Row(
children: [
const Icon(Symbols.linked_services),
const Gap(12),
Text('searchFediverse').tr(),
],
),
onTap: () {
context.pushNamed('activitypubSearch');
},
),
PopupMenuItem(
child: Row(
children: [