347 lines
13 KiB
Dart
347 lines
13 KiB
Dart
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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 '../../../models/tv_app.dart';
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import '../../../services/app_service.dart';
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import '../../../services/api_client.dart';
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/// TV端应用管理页。
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class TvAppPage extends ConsumerStatefulWidget {
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const TvAppPage({super.key});
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@override
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ConsumerState<TvAppPage> createState() => _TvAppPageState();
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}
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class _TvAppPageState extends ConsumerState<TvAppPage> {
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final _searchController = TextEditingController();
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final _scrollController = ScrollController();
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List<TvApp> _items = [];
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bool _loading = false;
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bool _hasMore = true;
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int _page = 1;
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String? _error;
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String _keyword = '';
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@override
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void initState() {
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super.initState();
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_scrollController.addListener(_onScroll);
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_loadData();
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}
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@override
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void dispose() {
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_searchController.dispose();
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_scrollController.removeListener(_onScroll);
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_scrollController.dispose();
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super.dispose();
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}
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void _onScroll() {
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if (_scrollController.position.pixels >=
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_scrollController.position.maxScrollExtent - 200 &&
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!_loading &&
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_hasMore) {
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_loadMore();
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}
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}
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Future<void> _loadData() async {
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setState(() {
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_loading = true;
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_error = null;
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});
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try {
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final kw = _keyword.trim().isEmpty ? null : _keyword.trim();
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final list = await AppService().getTvAppList(page: 1, limit: 20, appName: kw);
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if (!mounted) return;
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setState(() {
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_items = list;
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_loading = false;
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_hasMore = list.length >= 20;
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_page = 1;
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});
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} catch (e) {
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if (!mounted) return;
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setState(() {
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_loading = false;
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_error = e is ApiException ? e.message : '加载失败';
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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) return;
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setState(() => _loading = true);
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try {
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final kw = _keyword.trim().isEmpty ? null : _keyword.trim();
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final list = await AppService().getTvAppList(page: _page + 1, limit: 20, appName: kw);
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if (!mounted) return;
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setState(() {
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_items.addAll(list);
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_loading = false;
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_hasMore = list.length >= 20;
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_page++;
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});
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} catch (_) {
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if (!mounted) return;
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setState(() => _loading = false);
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}
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}
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Future<void> _refresh() async {
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_page = 1;
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_hasMore = true;
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await _loadData();
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}
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void _showForm({TvApp? editing}) {
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final isEdit = editing != null;
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final nameCtrl = TextEditingController(text: editing?.appName ?? '');
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final pkgCtrl = TextEditingController(text: editing?.packageName ?? '');
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final catCtrl = TextEditingController(text: editing?.appCategory ?? '');
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final iconCtrl = TextEditingController(text: editing?.iconUrl ?? '');
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final orgIdCtrl = TextEditingController(text: editing?.orgId ?? '');
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final groupIdCtrl = TextEditingController(text: editing?.groupId ?? '');
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int statusValue = editing?.status ?? 0;
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showModalBottomSheet(
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useSafeArea: true,
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context: context,
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isScrollControlled: true,
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builder: (ctx) => StatefulBuilder(
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builder: (ctx, setSheet) => Padding(
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padding: EdgeInsets.only(bottom: MediaQuery.of(ctx).viewInsets.bottom),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: SingleChildScrollView(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(isEdit ? '编辑应用' : '新增应用',
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style: Theme.of(ctx).textTheme.titleMedium),
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const SizedBox(height: 16),
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TextField(
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controller: nameCtrl,
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decoration: const InputDecoration(
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labelText: '应用名称', border: OutlineInputBorder())),
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const SizedBox(height: 12),
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TextField(
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controller: pkgCtrl,
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decoration: const InputDecoration(
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labelText: '包名', border: OutlineInputBorder())),
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const SizedBox(height: 12),
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TextField(
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controller: catCtrl,
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decoration: const InputDecoration(
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labelText: '分类', border: OutlineInputBorder())),
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const SizedBox(height: 12),
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TextField(
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controller: iconCtrl,
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decoration: const InputDecoration(
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labelText: '图标地址', border: OutlineInputBorder())),
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const SizedBox(height: 12),
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TextField(
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controller: orgIdCtrl,
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decoration: const InputDecoration(
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labelText: '组织ID', border: OutlineInputBorder())),
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const SizedBox(height: 12),
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TextField(
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controller: groupIdCtrl,
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decoration: const InputDecoration(
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labelText: '分组ID', border: OutlineInputBorder())),
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const SizedBox(height: 12),
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DropdownButtonFormField<int>(
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value: statusValue,
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decoration: const InputDecoration(
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labelText: '状态', border: OutlineInputBorder()),
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items: const [
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DropdownMenuItem(value: 0, child: Text('正常')),
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DropdownMenuItem(value: 1, child: Text('禁用')),
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],
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onChanged: (v) {
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if (v != null) setSheet(() => statusValue = v);
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},
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),
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const SizedBox(height: 16),
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FilledButton(
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onPressed: () async {
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final data = <String, dynamic>{
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if (isEdit) 'id': editing!.id,
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'appName': nameCtrl.text,
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'packageName': pkgCtrl.text,
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'appCategory': catCtrl.text,
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'iconUrl': iconCtrl.text,
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'orgId': orgIdCtrl.text,
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'groupId': groupIdCtrl.text,
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'status': statusValue,
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};
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try {
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await AppService().saveTvApp(data);
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if (!ctx.mounted) return;
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Navigator.pop(ctx);
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_refresh();
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('保存成功')),
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);
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} catch (e) {
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if (!ctx.mounted) return;
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ScaffoldMessenger.of(ctx).showSnackBar(
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SnackBar(content: Text(e is ApiException ? e.message : '保存失败')),
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);
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}
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},
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child: const Text('保存'),
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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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);
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}
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Future<void> _delete(String id) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('确认删除'),
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content: const Text('确定要删除此应用吗？'),
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actions: [
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TextButton(onPressed: () => Navigator.pop(ctx, false), child: const Text('取消')),
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TextButton(onPressed: () => Navigator.pop(ctx, true), child: const Text('删除')),
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],
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),
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);
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if (confirmed != true) return;
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try {
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await AppService().deleteTvApp([int.tryParse(id) ?? 0]);
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_refresh();
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('删除成功')));
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(e is ApiException ? e.message : '删除失败')),
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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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return Scaffold(
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appBar: AppBar(automaticallyImplyLeading: false, title: const Text('TV端应用管理')),
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body: Column(
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
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child: TextField(
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controller: _searchController,
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decoration: InputDecoration(
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hintText: '搜索应用名称',
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prefixIcon: const Icon(Icons.search),
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suffixIcon: _keyword.isEmpty
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? null
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: IconButton(
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icon: const Icon(Icons.clear),
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onPressed: () {
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_searchController.clear();
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setState(() => _keyword = '');
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_refresh();
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},
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),
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border: const OutlineInputBorder(),
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),
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onSubmitted: (v) {
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setState(() => _keyword = v);
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_refresh();
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},
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),
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),
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Expanded(
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child: _error != null
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? Center(child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(_error!),
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const SizedBox(height: 8),
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FilledButton.tonal(onPressed: _refresh, child: const Text('重试')),
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],
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))
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: RefreshIndicator(
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onRefresh: _refresh,
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child: _items.isEmpty && !_loading
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? const Center(child: Text('暂无数据'))
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: ListView.builder(
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controller: _scrollController,
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physics: const AlwaysScrollableScrollPhysics(),
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itemCount: _items.length + (_loading ? 1 : 0),
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itemBuilder: (ctx, i) {
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if (i >= _items.length) {
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return const Padding(
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padding: EdgeInsets.all(16),
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child: Center(child: CircularProgressIndicator()),
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);
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}
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final item = _items[i];
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return Card(
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child: ListTile(
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leading: item.iconUrl.isNotEmpty
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? ClipRRect(
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borderRadius: BorderRadius.circular(8),
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child: Image.network(
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item.iconUrl,
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width: 40,
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height: 40,
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fit: BoxFit.cover,
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errorBuilder: (_, __, ___) =>
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const Icon(Icons.apps, size: 40),
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),
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)
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: const CircleAvatar(child: Icon(Icons.apps)),
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title: Text(item.appName,
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style: const TextStyle(fontWeight: FontWeight.w600)),
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subtitle: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const SizedBox(height: 4),
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Text('包名: ${item.packageName}'),
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if (item.appCategory.isNotEmpty)
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Text('分类: ${item.appCategory}'),
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const SizedBox(height: 4),
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Chip(
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label: Text(item.status == 0 ? '正常' : '禁用'),
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visualDensity: VisualDensity.compact,
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),
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],
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),
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trailing: PopupMenuButton<String>(
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onSelected: (v) {
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if (v == 'edit') _showForm(editing: item);
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if (v == 'delete') _delete(item.id);
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},
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itemBuilder: (_) => [
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const PopupMenuItem(value: 'edit', child: Text('编辑')),
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const PopupMenuItem(value: 'delete', child: Text('删除')),
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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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),
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],
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),
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floatingActionButton: FloatingActionButton(
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onPressed: () => _showForm(),
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child: const Icon(Icons.add),
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),
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);
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}
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}
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