스마트기기(패드) 반출 신청/승인 시스템 추가

패드는 NFC를 못 쓰므로 학생이 사용 시간/목적을 신청하면 선생님이
대시보드의 반출 대장에서 승인/거절하는 흐름을 추가. 저울-아두이노
연동(무게 기반 픽업/반납 감지)은 백엔드에 구현되어 있으나 실기기
연동은 추후 진행.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
2026-08-31 01:49:17 +09:00
co-authored by Claude Sonnet 5
parent ccff219874
commit fd0bc4f814
7 changed files with 650 additions and 24 deletions
+262
View File
@@ -0,0 +1,262 @@
// 📋 선생님용 "스마트기기 반출 대장" 화면 (UI 전용). 오늘 신청된 반출 요청을 보여주고 승인/거절한다.
// 서버 통신/상태는 lib/function/device_checkout_ledger_controller.dart가 담당한다.
import 'package:flutter/material.dart';
import '../function/device_checkout_ledger_controller.dart';
class DeviceCheckoutLedgerPage extends StatefulWidget {
const DeviceCheckoutLedgerPage({super.key});
@override
State<DeviceCheckoutLedgerPage> createState() =>
_DeviceCheckoutLedgerPageState();
}
class _DeviceCheckoutLedgerPageState extends State<DeviceCheckoutLedgerPage> {
final DeviceCheckoutLedgerController _controller =
DeviceCheckoutLedgerController();
@override
void initState() {
super.initState();
_controller.init();
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Future<void> _approve(int id) async {
final (_, message) = await _controller.approve(id);
if (!mounted) return;
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(message)));
}
Future<void> _reject(int id) async {
final (_, message) = await _controller.reject(id);
if (!mounted) return;
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text(message)));
}
({Color color, String label}) _statusInfo(String status) {
switch (status) {
case 'PENDING':
return (color: Colors.orange, label: '⏳ 대기중');
case 'APPROVED':
return (color: Colors.blue, label: '✅ 승인됨 (픽업 대기)');
case 'IN_USE':
return (color: Colors.teal, label: '📱 사용중');
case 'RETURNED':
return (color: Colors.grey, label: '↩️ 반납완료');
case 'REJECTED':
return (color: Colors.red, label: '🚫 거절됨');
default:
return (color: Colors.grey, label: status);
}
}
String _timeRange(String start, String end) {
// "YYYY-MM-DD HH:MM:SS" -> "HH:MM"
String hm(String full) => full.length >= 16 ? full.substring(11, 16) : full;
return '${hm(start)} ~ ${hm(end)}';
}
@override
Widget build(BuildContext context) {
return ListenableBuilder(
listenable: _controller,
builder: (context, _) {
final requests = _controller.requests;
final pendingCount = requests
.where((r) => r['status'] == 'PENDING')
.length;
return Scaffold(
backgroundColor: Colors.grey[100],
appBar: AppBar(
title: const Text(
'📱 스마트기기 반출 대장',
style: TextStyle(fontWeight: FontWeight.bold),
),
backgroundColor: Colors.teal,
foregroundColor: Colors.white,
elevation: 0,
actions: [
IconButton(
icon: const Icon(Icons.refresh_rounded),
onPressed: _controller.fetchAll,
tooltip: '새로고침',
),
],
),
body: _controller.isLoading
? const Center(child: CircularProgressIndicator())
: Column(
children: [
if (pendingCount > 0)
Container(
width: double.infinity,
margin: const EdgeInsets.all(16),
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 10,
),
decoration: BoxDecoration(
color: Colors.orange[100],
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.orange[400]!),
),
child: Text(
'⏳ 승인 대기 중인 요청이 $pendingCount건 있습니다.',
style: TextStyle(
color: Colors.orange[900],
fontWeight: FontWeight.bold,
),
),
),
Expanded(
child: requests.isEmpty
? const Center(
child: Text(
'오늘 신청된 반출 요청이 없습니다.',
style: TextStyle(color: Colors.grey),
),
)
: ListView.builder(
padding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
itemCount: requests.length,
itemBuilder: (context, index) {
final r = requests[index];
final String status = r['status'];
final info = _statusInfo(status);
final bool isPending = status == 'PENDING';
return Card(
elevation: 1,
margin: const EdgeInsets.only(bottom: 10),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
side: isPending
? BorderSide(color: Colors.orange[300]!)
: BorderSide.none,
),
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment:
CrossAxisAlignment.start,
children: [
Row(
children: [
Expanded(
child: Text(
'${r['studentName']} (${r['studentId']})',
style: const TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
),
),
),
Container(
padding:
const EdgeInsets.symmetric(
horizontal: 10,
vertical: 4,
),
decoration: BoxDecoration(
color: info.color.withValues(
alpha: 0.12,
),
borderRadius:
BorderRadius.circular(20),
),
child: Text(
info.label,
style: TextStyle(
color: info.color,
fontWeight: FontWeight.bold,
fontSize: 12,
),
),
),
],
),
const SizedBox(height: 6),
Text(
'⏰ ${_timeRange(r['requestedStart'], r['requestedEnd'])}',
style: TextStyle(
color: Colors.grey[700],
fontSize: 13,
),
),
const SizedBox(height: 2),
Text(
'📝 ${r['purpose']}',
style: TextStyle(
color: Colors.grey[700],
fontSize: 13,
),
),
if (isPending) ...[
const SizedBox(height: 12),
Row(
children: [
Expanded(
child: OutlinedButton(
onPressed:
_controller.isWorking
? null
: () => _reject(r['id']),
style:
OutlinedButton.styleFrom(
foregroundColor:
Colors.red,
side: const BorderSide(
color: Colors.red,
),
),
child: const Text('거절'),
),
),
const SizedBox(width: 8),
Expanded(
child: ElevatedButton(
onPressed:
_controller.isWorking
? null
: () => _approve(r['id']),
style:
ElevatedButton.styleFrom(
backgroundColor:
Colors.teal,
foregroundColor:
Colors.white,
),
child: const Text('승인'),
),
),
],
),
],
],
),
),
);
},
),
),
],
),
);
},
);
}
}