633 lines
24 KiB
Dart
633 lines
24 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import '../media/library_query.dart';
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import '../media/media_backend.dart';
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import '../media/media_hub.dart';
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import '../media/media_item.dart';
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import '../media/media_server_client.dart';
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import '../media/media_sort.dart';
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import '../services/settings_service.dart';
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import '../widgets/settings_builder.dart';
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import '../utils/app_logger.dart';
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import '../utils/grid_size_calculator.dart';
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import '../utils/platform_detector.dart';
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import '../utils/provider_extensions.dart';
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import '../widgets/focusable_media_card.dart';
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import '../widgets/ios_status_bar_tap_scroll_to_top.dart';
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import '../widgets/media_grid_delegate.dart';
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import '../widgets/desktop_app_bar.dart';
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import '../widgets/loading_indicator_box.dart';
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import '../widgets/overlay_sheet.dart';
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import '../focus/focusable_action_bar.dart';
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import '../focus/key_event_utils.dart';
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import '../mixins/grid_focus_node_mixin.dart';
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import 'libraries/sort_bottom_sheet.dart';
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import 'libraries/content_state_builder.dart';
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import '../mixins/refreshable.dart';
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import '../i18n/strings.g.dart';
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import 'focusable_detail_screen_mixin.dart';
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/// Screen to display full content of a recommendation hub
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class HubDetailScreen extends StatefulWidget {
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final MediaHub hub;
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final Future<List<MediaItem>> Function()? loadItems;
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final bool isInContinueWatching;
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final VoidCallback? onRemoveFromContinueWatching;
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const HubDetailScreen({
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super.key,
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required this.hub,
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this.loadItems,
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this.isInContinueWatching = false,
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this.onRemoveFromContinueWatching,
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});
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@override
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State<HubDetailScreen> createState() => _HubDetailScreenState();
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}
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class _HubDetailScreenState extends State<HubDetailScreen>
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with Refreshable, GridFocusNodeMixin, FocusableDetailScreenMixin {
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static const int _pageSize = 200;
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List<MediaItem> _items = [];
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List<MediaItem> _filteredItems = [];
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List<MediaSort> _sortOptions = [];
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MediaSort? _selectedSort;
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bool _isSortDescending = false;
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bool _isLoading = false;
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bool _isLoadingMore = false;
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String? _errorMessage;
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String? _continuationErrorMessage;
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int? _continuationOffset;
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int? _continuationTotal;
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int _loadGeneration = 0;
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/// Key for getting a context below OverlaySheetHost
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final GlobalKey _overlayChildKey = GlobalKey();
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@override
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bool get hasItems => _filteredItems.isNotEmpty;
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@override
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List<FocusableAction> getAppBarActions() {
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return [
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FocusableAction(icon: Symbols.swap_vert_rounded, tooltip: t.libraries.sort, onPressed: _showSortBottomSheet),
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];
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}
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/// Override to add bounds check for filtered items (sorting can change item order)
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@override
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void navigateToGrid() {
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if (!hasItems) return;
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final targetIndex = shouldRestoreGridFocus && lastFocusedGridIndex! < _filteredItems.length
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? lastFocusedGridIndex!
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: 0;
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setState(() {
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isAppBarFocused = false;
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});
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_focusNodeForIndex(targetIndex).requestFocus();
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}
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FocusNode _focusNodeForIndex(int index) => focusNodeForIndex(index, firstItemFocusNode, prefix: 'hub_detail_item');
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@override
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void initState() {
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super.initState();
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_items = widget.hub.items;
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_filteredItems = widget.hub.items;
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if (widget.hub.more) {
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_loadMoreItems();
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}
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_loadSorts();
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autoFocusFirstItemAfterLoad();
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}
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@override
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void dispose() {
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disposeFocusResources();
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super.dispose();
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}
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Future<void> _loadSorts() async {
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try {
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final serverId = widget.hub.serverId;
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if (serverId == null) {
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appLogger.w('Hub has no serverId; using default sort options');
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if (!mounted) return;
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setState(() {
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_sortOptions = _getDefaultSortOptions();
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});
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return;
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}
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// Hub ids can have various formats:
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// - /hubs/sections/1/... (Plex)
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// - /library/sections/1/all?... (Plex)
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// - home.recent / library.<id>.continue (Jellyfin synthesized)
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final hubKey = widget.hub.id;
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appLogger.d('Hub key: $hubKey');
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RegExpMatch? match = RegExp(r'/hubs/sections/(\d+)').firstMatch(hubKey);
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match ??= RegExp(r'/library/sections/(\d+)').firstMatch(hubKey);
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match ??= RegExp(r'sections/(\d+)').firstMatch(hubKey);
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if (match != null) {
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final sectionId = match.group(1)!;
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appLogger.d('Loading sorts for section: $sectionId');
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final client = context.tryGetMediaClientForServer(serverId);
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final sorts = client == null ? const <MediaSort>[] : await client.fetchSortOptions(sectionId);
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appLogger.d('Loaded ${sorts.length} sorts');
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if (!mounted) return;
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setState(() {
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_sortOptions = sorts.isNotEmpty ? sorts : _getDefaultSortOptions();
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});
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} else {
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appLogger.w('Could not extract section ID from hub key: $hubKey');
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if (!mounted) return;
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setState(() {
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_sortOptions = _getDefaultSortOptions();
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});
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}
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} catch (e) {
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appLogger.e('Failed to load sorts', error: e);
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if (!mounted) return;
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setState(() {
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_sortOptions = _getDefaultSortOptions();
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});
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}
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}
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List<MediaSort> _getDefaultSortOptions() {
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return [
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MediaSort(key: 'titleSort', title: t.hubDetail.title, defaultDirection: 'asc'),
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MediaSort(key: 'year', descKey: 'year:desc', title: t.hubDetail.releaseYear, defaultDirection: 'desc'),
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MediaSort(key: 'addedAt', descKey: 'addedAt:desc', title: t.hubDetail.dateAdded, defaultDirection: 'desc'),
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MediaSort(key: 'rating', descKey: 'rating:desc', title: t.hubDetail.rating, defaultDirection: 'desc'),
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];
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}
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void _applySort() {
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setState(() {
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_filteredItems = List.from(_items);
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// Apply sorting
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if (_selectedSort != null) {
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final sortKey = _selectedSort!.key;
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_filteredItems.sort((a, b) {
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int comparison = 0;
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switch (sortKey) {
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case 'titleSort':
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case 'title':
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comparison = (a.title ?? '').compareTo(b.title ?? '');
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break;
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case 'addedAt':
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comparison = (a.addedAt ?? 0).compareTo(b.addedAt ?? 0);
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break;
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case 'originallyAvailableAt':
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case 'year':
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comparison = (a.year ?? 0).compareTo(b.year ?? 0);
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break;
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case 'rating':
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comparison = (a.rating ?? 0).compareTo(b.rating ?? 0);
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break;
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default:
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comparison = (a.title ?? '').compareTo(b.title ?? '');
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}
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return _isSortDescending ? -comparison : comparison;
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});
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}
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});
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}
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void _showSortBottomSheet() {
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final overlayContext = _overlayChildKey.currentContext ?? context;
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MediaSort? pendingSort = _selectedSort;
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bool pendingDescending = _isSortDescending;
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bool pendingCleared = false;
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OverlaySheetController.of(overlayContext)
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.show(
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builder: (context) => SortBottomSheet(
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sortOptions: _sortOptions,
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selectedSort: _selectedSort,
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isSortDescending: _isSortDescending,
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onSortChanged: (sort, descending) {
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pendingSort = sort;
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pendingDescending = descending;
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pendingCleared = false;
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},
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onClear: () {
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pendingSort = null;
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pendingDescending = false;
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pendingCleared = true;
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},
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),
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)
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.then((_) {
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if (!mounted) return;
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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if (pendingCleared) {
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_selectedSort = null;
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_isSortDescending = false;
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_applySort();
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} else if (pendingSort != null &&
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(pendingSort!.key != _selectedSort?.key || pendingDescending != _isSortDescending)) {
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_selectedSort = pendingSort;
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_isSortDescending = pendingDescending;
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_applySort();
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}
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});
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});
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}
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Future<void> _loadMoreItems() async {
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if (_isLoading) return;
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final generation = ++_loadGeneration;
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final serverId = widget.hub.serverId;
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if (widget.loadItems == null && serverId == null) {
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appLogger.w('Hub has no serverId; cannot load more items for ${widget.hub.id}');
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return;
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}
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setState(() {
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_isLoading = true;
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_isLoadingMore = false;
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_errorMessage = null;
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_continuationErrorMessage = null;
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_continuationOffset = null;
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_continuationTotal = null;
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});
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try {
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final loader = widget.loadItems;
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final client = serverId == null ? null : context.tryGetMediaClientForServer(serverId);
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final List<MediaItem> items;
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int totalCount;
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int loadedCount;
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if (loader == null) {
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final page = client == null
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? const LibraryPage<MediaItem>(items: [], totalCount: 0)
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: await client.fetchMoreHubItemsPage(widget.hub.id, start: 0, size: _pageSize);
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items = _applySectionFilter(page.items);
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totalCount = page.totalCount;
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loadedCount = page.items.length;
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} else {
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items = _applySectionFilter(await loader());
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totalCount = items.length;
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loadedCount = items.length;
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}
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if (!mounted || generation != _loadGeneration) return;
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setState(() {
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_items = items;
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_filteredItems = items;
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_isLoading = false;
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});
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_applySort();
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if (loader == null && client != null && loadedCount < totalCount) {
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if (client.backend == MediaBackend.plex) {
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unawaited(_loadFullHubContent(client, generation));
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} else {
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unawaited(_loadRemainingHubPages(client, generation, loadedCount, totalCount));
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}
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}
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appLogger.d('Loaded ${items.length} items for hub: ${widget.hub.title}');
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} catch (e) {
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appLogger.e('Failed to load hub content', error: e);
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if (!mounted) return;
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setState(() {
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_errorMessage = t.messages.errorLoading(error: e.toString());
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_isLoading = false;
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});
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}
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}
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Future<void> _loadFullHubContent(MediaServerClient client, int generation) async {
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if (mounted && generation == _loadGeneration) {
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setState(() {
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_isLoadingMore = true;
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_continuationErrorMessage = null;
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});
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}
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try {
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final items = _applySectionFilter(await client.fetchMoreHubItems(widget.hub.id));
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if (!mounted || generation != _loadGeneration) return;
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if (items.isEmpty && _items.isNotEmpty) {
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throw StateError('Hub continuation returned no items');
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}
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setState(() {
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_items = items;
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_filteredItems = items;
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_isLoadingMore = false;
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_continuationErrorMessage = null;
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_continuationOffset = null;
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_continuationTotal = null;
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});
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_applySort();
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} catch (e, st) {
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appLogger.w('Failed to finish loading hub content', error: e, stackTrace: st);
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if (!mounted || generation != _loadGeneration) return;
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setState(() {
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_isLoadingMore = false;
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_continuationErrorMessage = t.messages.errorLoading(error: e.toString());
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});
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}
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}
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Future<void> _loadRemainingHubPages(MediaServerClient client, int generation, int startOffset, int totalCount) async {
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var offset = startOffset;
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var total = totalCount;
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if (mounted && generation == _loadGeneration) {
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setState(() {
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_isLoadingMore = true;
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_continuationErrorMessage = null;
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_continuationOffset = offset;
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_continuationTotal = total;
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});
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}
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try {
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while (offset < total) {
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final page = await client.fetchMoreHubItemsPage(widget.hub.id, start: offset, size: _pageSize);
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if (!mounted || generation != _loadGeneration) return;
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if (page.items.isEmpty) break;
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final items = _applySectionFilter(page.items);
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setState(() {
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_items.addAll(items);
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_filteredItems = List.of(_items);
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});
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_applySort();
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offset += page.items.length;
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total = page.totalCount;
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_continuationOffset = offset;
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_continuationTotal = total;
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}
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if (!mounted || generation != _loadGeneration) return;
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setState(() {
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_isLoadingMore = false;
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_continuationErrorMessage = null;
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_continuationOffset = null;
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_continuationTotal = null;
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});
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} catch (e, st) {
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appLogger.w('Failed to finish loading hub content', error: e, stackTrace: st);
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if (!mounted || generation != _loadGeneration) return;
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setState(() {
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_isLoadingMore = false;
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_continuationErrorMessage = t.messages.errorLoading(error: e.toString());
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_continuationOffset = offset;
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_continuationTotal = total;
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});
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}
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}
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void _retryHubContinuation() {
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final serverId = widget.hub.serverId;
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final client = serverId == null ? null : context.tryGetMediaClientForServer(serverId);
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if (client == null || _isLoadingMore) return;
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final generation = _loadGeneration;
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if (client.backend == MediaBackend.plex) {
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unawaited(_loadFullHubContent(client, generation));
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return;
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}
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final offset = _continuationOffset;
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final total = _continuationTotal;
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if (offset == null || total == null) return;
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unawaited(_loadRemainingHubPages(client, generation, offset, total));
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}
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List<MediaItem> _applySectionFilter(List<MediaItem> items) {
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final sectionFilter = int.tryParse(widget.hub.libraryId ?? '');
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if (sectionFilter == null) return items;
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return items.where((item) => int.tryParse(item.libraryId ?? '') == sectionFilter).toList();
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}
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Future<void> _handleItemRefresh(String ratingKey) async {
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final itemIndex = _items.indexWhere((item) => item.id == ratingKey);
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final filteredIndex = _filteredItems.indexWhere((item) => item.id == ratingKey);
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final existing = itemIndex != -1
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? _items[itemIndex]
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: filteredIndex != -1
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? _filteredItems[filteredIndex]
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: null;
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if (existing == null) return;
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final serverId = existing.serverId ?? widget.hub.serverId;
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if (serverId == null) return;
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try {
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final updated = await context.tryGetMediaClientForServer(serverId)?.fetchItem(ratingKey);
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if (updated == null || !mounted) return;
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setState(() {
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final currentItemIndex = _items.indexWhere((item) => item.id == ratingKey);
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if (currentItemIndex != -1) _items[currentItemIndex] = updated;
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final currentFilteredIndex = _filteredItems.indexWhere((item) => item.id == ratingKey);
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if (currentFilteredIndex != -1) _filteredItems[currentFilteredIndex] = updated;
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});
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if (_selectedSort != null) _applySort();
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} catch (e) {
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appLogger.d('Item refresh skipped for: $ratingKey', error: e);
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}
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}
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void _handleRemoveFromContinueWatching() {
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widget.onRemoveFromContinueWatching?.call();
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unawaited(_loadMoreItems());
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}
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Widget _buildContinuationStatusSliver() {
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final error = _continuationErrorMessage;
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return SliverToBoxAdapter(
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child: Padding(
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padding: const EdgeInsets.all(24),
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child: Center(
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child: error == null
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? const CircularProgressIndicator()
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: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(error, textAlign: TextAlign.center),
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const SizedBox(height: 8),
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TextButton(onPressed: _retryHubContinuation, child: Text(t.common.retry)),
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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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@override
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void refresh() {
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_loadMoreItems();
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}
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@override
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Widget build(BuildContext context) {
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return PopScope(
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canPop: PlatformDetector.isHandheldIOS(context),
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onPopInvokedWithResult: (didPop, _) {
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if (BackKeyCoordinator.consumeIfHandled()) return;
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if (didPop) return;
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final shouldPop = handleBackNavigation();
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if (shouldPop && mounted) {
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Navigator.pop(context);
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}
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},
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child: PrimaryScrollController(
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controller: scrollController,
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child: IosStatusBarTapScrollToTop(
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controller: scrollController,
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child: OverlaySheetHost(
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child: Scaffold(
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key: _overlayChildKey,
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body: CustomScrollView(
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primary: true,
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clipBehavior: Clip.none,
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slivers: [
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CustomAppBar(title: Text(widget.hub.title), pinned: true, actions: buildFocusableAppBarActions()),
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if (_errorMessage != null)
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SliverErrorState(message: _errorMessage!, onRetry: _loadMoreItems)
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else if (_filteredItems.isEmpty && _isLoading)
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LoadingIndicatorBox.sliver
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else if (_filteredItems.isEmpty)
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SliverFillRemaining(child: Center(child: Text(t.hubDetail.noItemsFound)))
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else
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SettingsBuilder(
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prefs: const [
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SettingsService.viewMode,
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SettingsService.episodePosterMode,
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SettingsService.libraryDensity,
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SettingsService.tvFullCardLayout,
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],
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builder: (context) {
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final svc = SettingsService.instanceOrNull!;
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final isListMode = svc.read(SettingsService.viewMode) == ViewMode.list;
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final episodePosterMode = svc.read(SettingsService.episodePosterMode);
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final libraryDensity = svc.read(SettingsService.libraryDensity);
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final fullCardLayout = PlatformDetector.isTV() && svc.read(SettingsService.tvFullCardLayout);
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// Determine hub content type for layout decisions
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final hasEpisodes = _filteredItems.any((item) => item.usesWideAspectRatio(episodePosterMode));
|
|
final hasNonEpisodes = _filteredItems.any(
|
|
(item) => !item.usesWideAspectRatio(episodePosterMode),
|
|
);
|
|
|
|
// Mixed hub = has both episodes AND non-episodes
|
|
final isMixedHub = hasEpisodes && hasNonEpisodes;
|
|
|
|
// Episode-only = all items are episodes with thumbnails
|
|
final isEpisodeOnlyHub = hasEpisodes && !hasNonEpisodes;
|
|
|
|
// Use 16:9 for episode-only hubs OR mixed hubs (with episode thumbnail mode)
|
|
final useWideLayout =
|
|
episodePosterMode == EpisodePosterMode.episodeThumbnail && (isEpisodeOnlyHub || isMixedHub);
|
|
|
|
if (isListMode) {
|
|
return SliverPadding(
|
|
padding: const EdgeInsets.all(8),
|
|
sliver: SliverList.builder(
|
|
itemCount: _filteredItems.length,
|
|
itemBuilder: (context, index) {
|
|
final item = _filteredItems[index];
|
|
final focusNode = _focusNodeForIndex(index);
|
|
|
|
return FocusableMediaCard(
|
|
focusNode: focusNode,
|
|
item: item,
|
|
disableScale: true,
|
|
onRefresh: _handleItemRefresh,
|
|
onRemoveFromContinueWatching: widget.isInContinueWatching
|
|
? _handleRemoveFromContinueWatching
|
|
: null,
|
|
isInContinueWatching: widget.isInContinueWatching,
|
|
onNavigateUp: index == 0 ? navigateToAppBar : null,
|
|
onBack: handleBackFromContent,
|
|
onFocusChange: (hasFocus) => trackGridItemFocus(index, hasFocus),
|
|
mixedHubContext: isMixedHub,
|
|
);
|
|
},
|
|
),
|
|
);
|
|
}
|
|
|
|
return SliverPadding(
|
|
padding: const EdgeInsets.all(8),
|
|
sliver: SliverLayoutBuilder(
|
|
builder: (context, constraints) {
|
|
final maxExtent = GridSizeCalculator.getMaxCrossAxisExtentWithPadding(
|
|
context,
|
|
libraryDensity,
|
|
16,
|
|
);
|
|
final gridSpacing = MediaGridDelegate.spacingFor(
|
|
context: context,
|
|
fullBleedImage: fullCardLayout,
|
|
);
|
|
final columnCount = GridSizeCalculator.getColumnCount(
|
|
constraints.crossAxisExtent,
|
|
useWideLayout ? maxExtent * 1.8 : maxExtent,
|
|
crossAxisSpacing: gridSpacing,
|
|
);
|
|
|
|
return SliverGrid(
|
|
gridDelegate: MediaGridDelegate.createDelegate(
|
|
context: context,
|
|
density: libraryDensity,
|
|
usePaddingAware: true,
|
|
horizontalPadding: 16,
|
|
useWideAspectRatio: useWideLayout,
|
|
fullBleedImage: fullCardLayout,
|
|
),
|
|
delegate: SliverChildBuilderDelegate((context, index) {
|
|
final item = _filteredItems[index];
|
|
final focusNode = _focusNodeForIndex(index);
|
|
final isFirstRow = GridSizeCalculator.isFirstRow(index, columnCount);
|
|
final isFirstColumn = GridSizeCalculator.isFirstColumn(index, columnCount);
|
|
|
|
return FocusableMediaCard(
|
|
focusNode: focusNode,
|
|
item: item,
|
|
onRefresh: _handleItemRefresh,
|
|
onRemoveFromContinueWatching: widget.isInContinueWatching
|
|
? _handleRemoveFromContinueWatching
|
|
: null,
|
|
isInContinueWatching: widget.isInContinueWatching,
|
|
onNavigateUp: isFirstRow ? navigateToAppBar : null,
|
|
onNavigateLeft: isFirstColumn ? () {} : null,
|
|
onBack: handleBackFromContent,
|
|
onFocusChange: (hasFocus) => trackGridItemFocus(index, hasFocus),
|
|
mixedHubContext: isMixedHub,
|
|
fullBleedImage: fullCardLayout,
|
|
);
|
|
}, childCount: _filteredItems.length),
|
|
);
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
if (_filteredItems.isNotEmpty && (_isLoadingMore || _continuationErrorMessage != null))
|
|
_buildContinuationStatusSliver(),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|