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ops-console v1.0.2 (versionCode 8) 源码入库

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txh
2026-09-03 18:01:05 +08:00
commit 685fff27c8
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lib/screens/admin/media/media_list_page.dart Normal file
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../models/media_asset.dart';
import '../../../services/media_service.dart';
import '../../../services/api_client.dart';
/// 媒资管理页。
class MediaListPage extends ConsumerStatefulWidget {
const MediaListPage({super.key});
@override
ConsumerState<MediaListPage> createState() => _MediaListPageState();
}
class _MediaListPageState extends ConsumerState<MediaListPage> {
final _scrollController = ScrollController();
final _searchController = TextEditingController();
List<MediaAsset> _items = [];
bool _loading = false;
bool _hasMore = true;
int _page = 1;
String? _error;
String _keyword = '';
@override
void initState() {
super.initState();
_scrollController.addListener(_onScroll);
_loadData();
}
@override
void dispose() {
_searchController.dispose();
_scrollController.removeListener(_onScroll);
_scrollController.dispose();
super.dispose();
}
void _onScroll() {
if (_scrollController.position.pixels >=
_scrollController.position.maxScrollExtent - 200 &&
!_loading &&
_hasMore) {
_loadMore();
}
}
Future<void> _loadData() async {
setState(() {
_loading = true;
_error = null;
});
try {
final list = await MediaService().getMediaAssetList(page: 1, limit: 20);
if (!mounted) return;
setState(() {
_items = list;
_loading = false;
_hasMore = list.length >= 20;
_page = 1;
});
} catch (e) {
if (!mounted) return;
setState(() {
_loading = false;
_error = e is ApiException ? e.message : '加载失败';
});
}
}
Future<void> _loadMore() async {
if (_loading) return;
setState(() => _loading = true);
try {
final list = await MediaService().getMediaAssetList(page: _page + 1, limit: 20);
if (!mounted) return;
setState(() {
_items.addAll(list);
_loading = false;
_hasMore = list.length >= 20;
_page++;
});
} catch (_) {
if (!mounted) return;
setState(() => _loading = false);
}
}
Future<void> _refresh() async {
_page = 1;
_hasMore = true;
await _loadData();
}
void _showForm({MediaAsset? editing}) {
final isEdit = editing != null;
final nameCtrl = TextEditingController(text: editing?.name ?? '');
final codeCtrl = TextEditingController(text: editing?.code ?? '');
final coverCtrl = TextEditingController(text: editing?.coverUrl ?? '');
final playCtrl = TextEditingController(text: editing?.playUrl ?? '');
final durationCtrl =
TextEditingController(text: editing?.duration.toString() ?? '');
String typeValue = editing?.type.isNotEmpty == true ? editing!.type : 'video';
int statusValue = editing?.status ?? 0;
showModalBottomSheet(
useSafeArea: true,
context: context,
isScrollControlled: true,
builder: (ctx) => StatefulBuilder(
builder: (ctx, setSheet) => Padding(
padding: EdgeInsets.only(bottom: MediaQuery.of(ctx).viewInsets.bottom),
child: Padding(
padding: const EdgeInsets.all(16),
child: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(isEdit ? '编辑媒资' : '新增媒资',
style: Theme.of(ctx).textTheme.titleMedium),
const SizedBox(height: 16),
TextField(
controller: nameCtrl,
decoration: const InputDecoration(
labelText: '名称', border: OutlineInputBorder())),
const SizedBox(height: 12),
TextField(
controller: codeCtrl,
decoration: const InputDecoration(
labelText: '编码', border: OutlineInputBorder())),
const SizedBox(height: 12),
DropdownButtonFormField<String>(
value: typeValue,
decoration: const InputDecoration(
labelText: '类型', border: OutlineInputBorder()),
items: const [
DropdownMenuItem(value: 'video', child: Text('影视')),
DropdownMenuItem(value: 'audio', child: Text('音乐')),
DropdownMenuItem(value: 'image', child: Text('图片')),
],
onChanged: (v) {
if (v != null) setSheet(() => typeValue = v);
},
),
const SizedBox(height: 12),
TextField(
controller: coverCtrl,
decoration: const InputDecoration(
labelText: '封面地址', border: OutlineInputBorder())),
const SizedBox(height: 12),
TextField(
controller: playCtrl,
decoration: const InputDecoration(
labelText: '播放地址', border: OutlineInputBorder())),
const SizedBox(height: 12),
TextField(
controller: durationCtrl,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
labelText: '时长(秒)', border: OutlineInputBorder())),
const SizedBox(height: 12),
DropdownButtonFormField<int>(
value: statusValue,
decoration: const InputDecoration(
labelText: '状态', border: OutlineInputBorder()),
items: const [
DropdownMenuItem(value: 0, child: Text('正常')),
DropdownMenuItem(value: 1, child: Text('禁用')),
],
onChanged: (v) {
if (v != null) setSheet(() => statusValue = v);
},
),
const SizedBox(height: 16),
FilledButton(
onPressed: () async {
final data = <String, dynamic>{
if (isEdit) 'id': editing!.id,
'name': nameCtrl.text,
'code': codeCtrl.text,
'type': typeValue,
'coverUrl': coverCtrl.text,
'playUrl': playCtrl.text,
'duration': int.tryParse(durationCtrl.text) ?? 0,
'status': statusValue,
};
try {
await MediaService().saveMediaAsset(data);
if (!ctx.mounted) return;
Navigator.pop(ctx);
_refresh();
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('保存成功')),
);
} catch (e) {
if (!ctx.mounted) return;
ScaffoldMessenger.of(ctx).showSnackBar(
SnackBar(content: Text(e is ApiException ? e.message : '保存失败')),
);
}
},
child: const Text('保存'),
),
],
),
),
),
),
),
);
}
Future<void> _delete(String id) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('确认删除'),
content: const Text('确定要删除此媒资吗？'),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx, false), child: const Text('取消')),
TextButton(onPressed: () => Navigator.pop(ctx, true), child: const Text('删除')),
],
),
);
if (confirmed != true) return;
try {
await MediaService().deleteMediaAsset([int.tryParse(id) ?? 0]);
_refresh();
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('删除成功')));
} catch (e) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text(e is ApiException ? e.message : '删除失败')),
);
}
}
String _typeLabel(String type) {
switch (type.toLowerCase()) {
case 'video':
return '影视';
case 'audio':
return '音乐';
case 'image':
return '图片';
default:
return type;
}
}
String _formatDuration(int seconds) {
final h = seconds ~/ 3600;
final m = (seconds % 3600) ~/ 60;
final s = seconds % 60;
if (h > 0) return '${h}h${m.toString().padLeft(2, '0')}m';
return '${m.toString().padLeft(2, '0')}:${s.toString().padLeft(2, '0')}';
}
@override
Widget build(BuildContext context) {
final filtered = _keyword.isEmpty
? _items
: _items
.where((e) => e.name.toLowerCase().contains(_keyword.toLowerCase()))
.toList();
return Scaffold(
appBar: AppBar(automaticallyImplyLeading: false, title: const Text('媒资管理')),
body: Column(
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 8),
child: TextField(
controller: _searchController,
decoration: InputDecoration(
hintText: '搜索媒资名称',
prefixIcon: const Icon(Icons.search),
suffixIcon: _keyword.isEmpty
? null
: IconButton(
icon: const Icon(Icons.clear),
onPressed: () {
_searchController.clear();
setState(() => _keyword = '');
},
),
border: const OutlineInputBorder(),
),
onChanged: (v) => setState(() => _keyword = v),
),
),
Expanded(
child: _error != null
? Center(child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(_error!),
const SizedBox(height: 8),
FilledButton.tonal(onPressed: _refresh, child: const Text('重试')),
],
))
: RefreshIndicator(
onRefresh: _refresh,
child: filtered.isEmpty && !_loading
? const Center(child: Text('暂无数据'))
: ListView.builder(
controller: _scrollController,
physics: const AlwaysScrollableScrollPhysics(),
itemCount: filtered.length + (_loading ? 1 : 0),
itemBuilder: (ctx, i) {
if (i >= filtered.length) {
return const Padding(
padding: EdgeInsets.all(16),
child: Center(child: CircularProgressIndicator()),
);
}
final item = filtered[i];
return Card(
child: ListTile(
leading: item.coverUrl.isNotEmpty
? ClipRRect(
borderRadius: BorderRadius.circular(6),
child: Image.network(
item.coverUrl,
width: 50,
height: 70,
fit: BoxFit.cover,
errorBuilder: (_, __, ___) =>
Container(
width: 50,
height: 70,
color: Colors.grey.shade300,
child: const Icon(Icons.video_library, size: 24),
),
),
)
: Container(
width: 50,
height: 70,
decoration: BoxDecoration(
color: Colors.grey.shade300,
borderRadius: BorderRadius.circular(6),
),
child: const Icon(Icons.video_library, size: 24),
),
title: Text(item.name,
style: const TextStyle(fontWeight: FontWeight.w600)),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const SizedBox(height: 4),
Text('编码: ${item.code}'),
Text('类型: ${_typeLabel(item.type)}'),
if (item.duration > 0)
Text('时长: ${_formatDuration(item.duration)}'),
const SizedBox(height: 4),
Chip(
label: Text(item.status == 0 ? '正常' : '禁用'),
visualDensity: VisualDensity.compact,
),
],
),
trailing: PopupMenuButton<String>(
onSelected: (v) {
if (v == 'edit') _showForm(editing: item);
if (v == 'delete') _delete(item.id);
},
itemBuilder: (_) => [
const PopupMenuItem(value: 'edit', child: Text('编辑')),
const PopupMenuItem(value: 'delete', child: Text('删除')),
],
),
),
);
},
),
),
),
],
),
floatingActionButton: FloatingActionButton(
onPressed: () => _showForm(),
child: const Icon(Icons.add),
),
);
}
}