mirror of
https://github.com/zapstore/zapstore.git
synced 2026-10-05 20:48:24 +00:00
348 lines
11 KiB
Dart
348 lines
11 KiB
Dart
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:models/models.dart';
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import 'package:zapstore/services/updates_service.dart';
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import 'package:zapstore/utils/app_query.dart';
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import 'package:zapstore/utils/extensions.dart';
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import 'app_card.dart';
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const _kPageSize = 5;
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// ---------------------------------------------------------------------------
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// State
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// ---------------------------------------------------------------------------
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class LatestReleasesState {
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final List<Release> firstPage;
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final List<Release> olderPages;
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final Map<String, App> appsByIdentifier;
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final bool isLoadingMore;
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final bool hasMore;
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final Object? error;
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const LatestReleasesState({
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required this.firstPage,
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required this.olderPages,
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required this.appsByIdentifier,
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required this.isLoadingMore,
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required this.hasMore,
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this.error,
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});
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factory LatestReleasesState.loading() => const LatestReleasesState(
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firstPage: [],
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olderPages: [],
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appsByIdentifier: {},
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isLoadingMore: false,
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hasMore: true,
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);
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bool get isLoading =>
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firstPage.isEmpty && olderPages.isEmpty && error == null;
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List<Release> get allReleases => [...firstPage, ...olderPages];
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LatestReleasesState copyWith({
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List<Release>? firstPage,
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List<Release>? olderPages,
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Map<String, App>? appsByIdentifier,
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bool? isLoadingMore,
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bool? hasMore,
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Object? error,
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}) =>
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LatestReleasesState(
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firstPage: firstPage ?? this.firstPage,
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olderPages: olderPages ?? this.olderPages,
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appsByIdentifier: appsByIdentifier ?? this.appsByIdentifier,
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isLoadingMore: isLoadingMore ?? this.isLoadingMore,
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hasMore: hasMore ?? this.hasMore,
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error: error,
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);
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}
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// ---------------------------------------------------------------------------
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// Notifier
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// ---------------------------------------------------------------------------
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class LatestReleasesNotifier extends StateNotifier<LatestReleasesState> {
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LatestReleasesNotifier(this.ref) : super(LatestReleasesState.loading()) {
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_subscribe();
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}
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final Ref ref;
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ProviderSubscription<StorageState<Release>>? _sub;
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void _subscribe() {
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_sub?.close();
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_sub = ref.listen(
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query<Release>(
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until: DateTime.now(),
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limit: _kPageSize,
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source: const LocalAndRemoteSource(relays: 'AppCatalog', stream: true),
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subscriptionPrefix: 'app-latest-releases',
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),
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(_, next) async {
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if (next is StorageData<Release>) {
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final liveIds = next.models.map((r) => r.id).toSet();
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final filteredOlder =
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state.olderPages.where((r) => !liveIds.contains(r.id)).toList();
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final unresolved = next.models
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.where((r) =>
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!state.appsByIdentifier.containsKey(r.appIdentifier))
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.toList();
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final apps = await _resolveRelated(unresolved);
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if (mounted) {
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state = state.copyWith(
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firstPage: next.models,
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olderPages: filteredOlder,
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appsByIdentifier: {...state.appsByIdentifier, ...apps},
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error: null,
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);
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}
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} else if (next is StorageError<Release>) {
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state = state.copyWith(error: next.exception);
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}
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},
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fireImmediately: true,
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);
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}
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Future<void> loadMore() async {
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final all = state.allReleases;
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if (state.isLoadingMore || !state.hasMore || all.isEmpty) return;
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final oldest = all
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.map((r) => r.event.createdAt)
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.reduce((a, b) => a.isBefore(b) ? a : b)
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.subtract(const Duration(milliseconds: 1));
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state = state.copyWith(isLoadingMore: true);
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try {
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final storage = ref.read(storageNotifierProvider.notifier);
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final releases = await storage.query(
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RequestFilter<Release>(until: oldest, limit: _kPageSize).toRequest(),
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source: const LocalAndRemoteSource(relays: 'AppCatalog', stream: false),
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subscriptionPrefix: 'app-latest-releases-older',
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);
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if (releases.isEmpty) {
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state = state.copyWith(isLoadingMore: false, hasMore: false);
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return;
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}
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final apps = await _resolveRelated(releases);
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final existingIds = all.map((r) => r.id).toSet();
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final unique =
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releases.where((r) => !existingIds.contains(r.id)).toList();
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state = state.copyWith(
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olderPages: [...state.olderPages, ...unique],
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appsByIdentifier: {...state.appsByIdentifier, ...apps},
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isLoadingMore: false,
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hasMore: releases.length >= _kPageSize,
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);
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} catch (_) {
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state = state.copyWith(isLoadingMore: false);
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}
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}
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/// Parallel fetch: assets by e-tag IDs + apps by i-tag identifiers.
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/// Returns resolved apps keyed by identifier.
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Future<Map<String, App>> _resolveRelated(List<Release> releases) async {
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if (releases.isEmpty) return const {};
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final storage = ref.read(storageNotifierProvider.notifier);
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final assetIds =
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releases.expand((r) => r.event.getTagSetValues('e')).toSet();
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final appIds = releases
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.map((r) => r.appIdentifier)
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.where((id) => id.isNotEmpty)
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.toSet();
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await Future.wait([
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if (assetIds.isNotEmpty)
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storage.query(
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RequestFilter<SoftwareAsset>(
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ids: assetIds,
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tags: {'#f': {'android-arm64-v8a'}},
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).toRequest(),
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source: const LocalAndRemoteSource(
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relays: 'AppCatalog',
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stream: false,
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),
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subscriptionPrefix: 'app-latest-releases-assets',
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),
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if (appIds.isNotEmpty)
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storage.query(
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RequestFilter<App>(
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tags: {'#d': appIds, '#f': {'android-arm64-v8a'}},
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).toRequest(),
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source: const LocalAndRemoteSource(
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relays: 'AppCatalog',
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stream: false,
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),
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subscriptionPrefix: 'app-latest-releases-apps',
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),
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]);
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if (appIds.isEmpty) return const {};
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final apps = appIds
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.expand((id) => storage.querySync(
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RequestFilter<App>(tags: {'#d': {id}}, limit: 1).toRequest(),
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))
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.cast<App>()
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.toList();
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await loadAuthors(storage, apps, 'app-latest-releases-authors');
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return {for (final app in apps) app.identifier: app};
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}
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@override
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void dispose() {
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_sub?.close();
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super.dispose();
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}
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}
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final latestReleasesProvider =
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StateNotifierProvider<LatestReleasesNotifier, LatestReleasesState>((ref) {
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return LatestReleasesNotifier(ref);
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});
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// ---------------------------------------------------------------------------
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// Widget
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// ---------------------------------------------------------------------------
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class LatestReleasesContainer extends HookConsumerWidget {
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const LatestReleasesContainer({
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super.key,
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this.showSkeleton = false,
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required this.scrollController,
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});
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final bool showSkeleton;
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final ScrollController scrollController;
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final state = showSkeleton ? null : ref.watch(latestReleasesProvider);
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final releases = state?.allReleases ?? [];
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final appsById = state?.appsByIdentifier ?? const {};
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final categorized = ref.watch(categorizedUpdatesProvider);
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final pinnedApps = [
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...categorized.automaticUpdates,
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...categorized.manualUpdates,
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].where((a) => a.isZapstoreApp).toList();
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final pinnedIds = pinnedApps.map((a) => a.identifier).toSet();
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final seenAppIds = <String>{...pinnedIds};
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final dedupedApps = <App>[];
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for (final release in releases) {
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final app = appsById[release.appIdentifier];
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if (app != null && seenAppIds.add(app.identifier)) {
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dedupedApps.add(app);
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}
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}
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final combinedApps = [...pinnedApps, ...dedupedApps];
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useEffect(() {
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if (state == null) return null;
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void onScroll() {
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final s = ref.read(latestReleasesProvider);
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if (s.isLoadingMore || !s.hasMore) return;
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if (scrollController.position.pixels >=
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scrollController.position.maxScrollExtent - 300) {
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ref.read(latestReleasesProvider.notifier).loadMore();
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}
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}
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scrollController.addListener(onScroll);
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return () => scrollController.removeListener(onScroll);
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}, [scrollController, state]);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildHeader(context),
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const SizedBox(height: 8),
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if (showSkeleton ||
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state == null ||
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(state.isLoading && combinedApps.isEmpty))
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Column(
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children: List.generate(3, (_) => const AppCard(isLoading: true)),
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)
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else if (state.error != null && combinedApps.isEmpty)
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_buildError(context, state.error.toString())
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else ...[
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...combinedApps.map(
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(app) => AppCard(app: app, showUpdateArrow: app.hasUpdate),
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),
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if (state.isLoadingMore)
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const Padding(
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padding: EdgeInsets.all(16.0),
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child: Center(child: CircularProgressIndicator()),
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),
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],
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const SizedBox(height: 24),
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],
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);
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}
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Widget _buildHeader(BuildContext context) {
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final divider = Expanded(
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child: Container(
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height: 1,
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color: Theme.of(context).colorScheme.onSurface.withValues(alpha: 0.2),
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),
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);
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16.0),
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child: Row(
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children: [
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divider,
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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child: Text(
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'LATEST RELEASES',
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style: context.textTheme.labelLarge?.copyWith(
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color: Theme.of(context)
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.colorScheme
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.onSurface
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.withValues(alpha: 0.85),
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letterSpacing: 1.5,
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fontWeight: FontWeight.bold,
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),
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),
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),
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divider,
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],
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),
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);
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}
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Widget _buildError(BuildContext context, String error) {
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return Padding(
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padding: const EdgeInsets.all(16.0),
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child: Center(
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child: Column(
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children: [
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Icon(Icons.error_outline, size: 48, color: Colors.red[400]),
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const SizedBox(height: 16),
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Text('Error loading apps', style: context.textTheme.titleMedium),
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const SizedBox(height: 8),
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Text(
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error,
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style: context.textTheme.bodySmall,
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textAlign: TextAlign.center,
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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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