feat(mobile): album management pages with qr share
Co-Authored-By: Claude Code <noreply@anthropic.com>
This commit is contained in:
浅念
@@ -0,0 +1,322 @@
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/// 照片管理占位页（P3 计划 Task 4）：基础管理列表（可见性/处理状态
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/// 标签 + 游标加载更多）；完整筛选与操作由 Task 9 队列 UI 替换。
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library;
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../core/api_client.dart';
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import '../core/app_exception.dart';
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import '../core/error_codes.dart';
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import '../core/error_l10n.dart';
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import '../features/albums/album_format.dart';
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import '../features/albums/models.dart';
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import '../features/photos/models.dart';
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import '../l10n/app_localizations.dart';
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/// 照片管理占位（从详情页携带 [album] 进入，时间按相册时区展示）。
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class AlbumPhotosPage extends ConsumerStatefulWidget {
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const AlbumPhotosPage({required this.album, super.key});
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final Album album;
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@override
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ConsumerState<AlbumPhotosPage> createState() => _AlbumPhotosPageState();
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}
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class _AlbumPhotosPageState extends ConsumerState<AlbumPhotosPage> {
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static const int _pageSize = 20;
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List<AdminPhoto> _items = const <AdminPhoto>[];
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String? _nextCursor;
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bool _hasMore = false;
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bool _loading = true;
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bool _loadingMore = false;
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String? _errorCode;
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@override
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void initState() {
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super.initState();
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_reload();
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}
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Future<void> _reload() async {
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setState(() {
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_loading = true;
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_errorCode = null;
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});
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try {
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final page = await ref.read(apiClientProvider).listAlbumPhotos(
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widget.album.id,
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limit: _pageSize,
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);
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if (mounted) {
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setState(() {
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_items = page.items;
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_nextCursor = page.nextCursor;
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_hasMore = page.hasMore;
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_loading = false;
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});
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}
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} on AppException catch (e) {
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if (mounted) {
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setState(() {
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_errorCode = e.code;
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_loading = false;
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});
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}
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} on Object {
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if (mounted) {
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setState(() {
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_errorCode = ErrorCodes.internalError;
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_loading = false;
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});
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}
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}
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}
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Future<void> _loadMore() async {
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if (_loading || _loadingMore || !_hasMore) return;
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setState(() => _loadingMore = true);
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try {
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final page = await ref.read(apiClientProvider).listAlbumPhotos(
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widget.album.id,
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cursor: _nextCursor,
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limit: _pageSize,
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);
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if (mounted) {
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setState(() {
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_items = <AdminPhoto>[..._items, ...page.items];
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_nextCursor = page.nextCursor;
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_hasMore = page.hasMore;
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_loadingMore = false;
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});
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}
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} on AppException {
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if (mounted) {
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setState(() => _loadingMore = false);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(
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AppLocalizations.of(context).messageForErrorCode(
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ErrorCodes.networkError,
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),
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),
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),
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);
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}
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} on Object {
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if (mounted) {
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setState(() => _loadingMore = false);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(AppLocalizations.of(context).errorGeneric),
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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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Widget build(BuildContext context) {
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final l10n = AppLocalizations.of(context);
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final theme = Theme.of(context);
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return Scaffold(
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appBar: AppBar(title: Text(l10n.albumPhotos)),
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body: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Task 9 占位横幅：完整筛选/操作届时替换本页。
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Card(
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margin: const EdgeInsets.fromLTRB(12, 12, 12, 0),
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Row(
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children: [
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Icon(
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Icons.construction_outlined,
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size: 18,
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color: theme.colorScheme.onSurfaceVariant,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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l10n.photosTask9Placeholder,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurfaceVariant,
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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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Expanded(
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child: _loading
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? const Center(child: CircularProgressIndicator())
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: _items.isEmpty && _errorCode != null
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? Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.cloud_off, size: 48),
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const SizedBox(height: 12),
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Text(l10n.messageForErrorCode(_errorCode!)),
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const SizedBox(height: 12),
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FilledButton.icon(
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onPressed: _reload,
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icon: const Icon(Icons.refresh),
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label: Text(l10n.retry),
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),
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],
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),
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)
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: ListView.builder(
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itemCount: _items.length +
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(_items.isEmpty || _hasMore || _loadingMore ? 1 : 0),
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itemBuilder: (context, index) {
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if (_items.isEmpty) {
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return Padding(
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padding: const EdgeInsets.all(32),
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child: Text(
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l10n.albumPhotosEmpty,
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textAlign: TextAlign.center,
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style: theme.textTheme.bodySmall,
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),
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);
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}
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if (index >= _items.length) {
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return const Padding(
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padding: EdgeInsets.symmetric(vertical: 16),
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child: Center(
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child: SizedBox(
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height: 24,
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width: 24,
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child: CircularProgressIndicator(strokeWidth: 2),
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),
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),
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);
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}
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if (index >= _items.length - 3 &&
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_hasMore &&
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!_loadingMore) {
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => _loadMore(),
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);
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}
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return _photoTile(l10n, theme, _items[index]);
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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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Widget _photoTile(
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AppLocalizations l10n,
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ThemeData theme,
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AdminPhoto photo,
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) {
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return ListTile(
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leading: Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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color: theme.colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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),
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child: const Icon(Icons.image_outlined),
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),
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title: Text(
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'${photo.photoId.substring(0, 8)} · ${(photo.bytes / 1024).round()} KB',
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style: theme.textTheme.bodyMedium?.copyWith(
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fontFeatures: const [FontFeature.tabularFigures()],
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),
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),
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subtitle: Text(
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formatAlbumDateTime(
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photo.uploadedAt,
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widget.album.timezone,
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l10n.localeName,
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),
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),
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trailing: Wrap(
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spacing: 6,
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runSpacing: 4,
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crossAxisAlignment: WrapCrossAlignment.center,
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children: [
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_PhotoTag(
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label: _visibilityLabel(l10n, photo.visibility),
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highlight: photo.visibility == PhotoVisibility.published,
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),
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_PhotoTag(
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label: _processingLabel(l10n, photo.processingState),
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highlight: photo.processingState == PhotoProcessingState.ready,
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),
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],
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),
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);
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}
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static String _visibilityLabel(AppLocalizations l10n, PhotoVisibility v) {
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switch (v) {
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case PhotoVisibility.published:
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return l10n.visibilityPublished;
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case PhotoVisibility.unpublished:
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return l10n.visibilityUnpublished;
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case PhotoVisibility.hidden:
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return l10n.visibilityHidden;
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case PhotoVisibility.deleted:
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return l10n.visibilityDeleted;
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}
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}
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static String _processingLabel(
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AppLocalizations l10n,
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PhotoProcessingState s,
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) {
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switch (s) {
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case PhotoProcessingState.pendingUpload:
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return l10n.procPendingUpload;
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case PhotoProcessingState.uploaded:
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return l10n.procUploaded;
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case PhotoProcessingState.processing:
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return l10n.procProcessing;
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case PhotoProcessingState.ready:
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return l10n.procReady;
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case PhotoProcessingState.processingFailed:
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return l10n.procProcessingFailed;
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}
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}
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}
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/// 照片标签（可见性/处理状态）。
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class _PhotoTag extends StatelessWidget {
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const _PhotoTag({required this.label, required this.highlight});
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final String label;
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final bool highlight;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
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decoration: BoxDecoration(
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color: highlight
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? theme.colorScheme.secondaryContainer
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: theme.colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(999),
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),
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child: Text(
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label,
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style: theme.textTheme.labelSmall?.copyWith(
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color: highlight
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? theme.colorScheme.onSecondaryContainer
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: theme.colorScheme.onSurfaceVariant,
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),
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),
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);
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}
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}
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