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기존 프로젝트 최초 업로드

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moonsihoo
2026-07-28 19:00:30 +09:00
commit 7135854933
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lib/screens/teacher_student_management_page.dart
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// 👥 교사용 학생 계정 관리 화면. 신규 학생 계정 추가와 계정 강제 삭제를 담당한다.
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import '../config.dart';
// -----------------------------------------------------------------------------
// 👥 [서브 화면 2] 학생 계정 관리 란 (추가 양식 폼 + 강제 삭제 다이얼로그 완전 내장)
// -----------------------------------------------------------------------------
class TeacherStudentManagementPage extends StatefulWidget {
const TeacherStudentManagementPage({super.key});
@override
State<TeacherStudentManagementPage> createState() =>
_TeacherStudentManagementPageState();
}
class _TeacherStudentManagementPageState
extends State<TeacherStudentManagementPage> {
final TextEditingController _addIdController = TextEditingController();
final TextEditingController _addNameController = TextEditingController();
final TextEditingController _addPwController = TextEditingController();
bool _isWorking = false;
// ➕ [학생 추가 API 연동용 함수]
Future<void> _addStudentAccount() async {
final sId = _addIdController.text.trim();
final sName = _addNameController.text.trim();
final sPw = _addPwController.text.trim();
if (sId.isEmpty || sName.isEmpty || sPw.isEmpty) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('⚠️ 모든 입력란을 채워주세요.')));
return;
}
setState(() => _isWorking = true);
try {
final url = Uri.parse('$baseUrl/api/users/register-student');
final response = await http.post(
url,
headers: {"Content-Type": "application/json"},
body: jsonEncode({"studentId": sId, "name": sName, "password": sPw}),
);
final result = jsonDecode(utf8.decode(response.bodyBytes));
if (response.statusCode == 200 || response.statusCode == 201) {
_addIdController.clear();
_addNameController.clear();
_addPwController.clear();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('✅ 계정 생성 완료: ${result['message'] ?? '성공'}')),
);
} else {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('❌ 생성 실패: ${result['message'] ?? '오류 발생'}')),
);
}
} catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text('🚨 네트워크 에러: $e')));
} finally {
setState(() => _isWorking = false);
}
}
// ❌ [학생 삭제 API 연동용 함수]
Future<void> _deleteStudentAccount(String studentId) async {
setState(() => _isWorking = true);
final url = Uri.parse('$baseUrl/api/users/delete/$studentId');
try {
final response = await http.delete(url);
if (response.statusCode == 200) {
final resData = jsonDecode(utf8.decode(response.bodyBytes));
ScaffoldMessenger.of(
context,
).showSnackBar(SnackBar(content: Text('✅ ${resData['message']}')));
} else {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('❌ 삭제 실패하였습니다.')));
}
} catch (e) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('❌ 서버 에러 발생')));
} finally {
setState(() => _isWorking = false);
}
}
// 🚨 계정 삭제 확인 팝업창 모달
void _showDeleteDialog() {
final TextEditingController deleteIdController = TextEditingController();
showDialog(
context: context,
builder: (context) {
return AlertDialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(24),
),
title: Row(
children: [
Icon(Icons.warning_amber_rounded, color: Colors.orange[700]),
const SizedBox(width: 10),
const Text(
'학생 계정 강제 삭제',
style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18),
),
],
),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
const Text(
'영구 삭제할 학생의 학번을 정확하게 입력하세요.',
style: TextStyle(color: Colors.black54, fontSize: 13),
),
const SizedBox(height: 16),
TextField(
controller: deleteIdController,
keyboardType: TextInputType.number,
decoration: InputDecoration(
labelText: '학번 입력',
labelStyle: TextStyle(color: Colors.orange[700]),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(16),
borderSide: BorderSide(
color: Colors.orange[700]!,
width: 2,
),
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(16),
),
prefixIcon: const Icon(Icons.no_accounts_rounded),
),
),
],
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('취소', style: TextStyle(color: Colors.grey)),
),
ElevatedButton(
onPressed: () {
final inputId = deleteIdController.text.trim();
if (inputId.isNotEmpty) {
Navigator.pop(context);
_deleteStudentAccount(inputId);
}
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.orange[700],
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: const Text(
'삭제 확정',
style: TextStyle(fontWeight: FontWeight.bold),
),
),
],
);
},
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Colors.grey[100],
appBar: AppBar(
title: const Text(
'⚙️ 학생 통합 관리 센터',
style: TextStyle(fontWeight: FontWeight.bold),
),
backgroundColor: Colors.orange,
foregroundColor: Colors.white,
elevation: 0,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(24.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 🏷️ 인디케이터 바 1 (추가 메뉴)
Row(
children: [
Container(
width: 4,
height: 16,
decoration: BoxDecoration(
color: Colors.orange,
borderRadius: BorderRadius.circular(2),
),
),
const SizedBox(width: 8),
const Text(
'신규 학생 계정 추가',
style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
),
],
),
const SizedBox(height: 16),
// 📝 학생 추가 컨테이너 폼
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(24),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.04),
blurRadius: 16,
),
],
),
child: Column(
children: [
TextField(
controller: _addIdController,
keyboardType: TextInputType.number,
decoration: const InputDecoration(
labelText: '학번',
prefixIcon: Icon(Icons.badge),
),
),
const SizedBox(height: 12),
TextField(
controller: _addNameController,
decoration: const InputDecoration(
labelText: '이름',
prefixIcon: Icon(Icons.person),
),
),
const SizedBox(height: 12),
TextField(
controller: _addPwController,
obscureText: true,
decoration: const InputDecoration(
labelText: '초기 비밀번호',
prefixIcon: Icon(Icons.lock),
),
),
const SizedBox(height: 20),
SizedBox(
width: double.infinity,
height: 50,
child: ElevatedButton(
onPressed: _isWorking ? null : _addStudentAccount,
style: ElevatedButton.styleFrom(
backgroundColor: Colors.orange,
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
child: _isWorking
? const CircularProgressIndicator(color: Colors.white)
: const Text(
'학생 등록 완료',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 15,
),
),
),
),
],
),
),
const SizedBox(height: 36),
// 🏷️ 인디케이터 바 2 (삭제 권한 제어메뉴)
Row(
children: [
Container(
width: 4,
height: 16,
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(2),
),
),
const SizedBox(width: 8),
const Text(
'위험 구역 (Account Reset)',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: Colors.redAccent,
),
),
],
),
const SizedBox(height: 16),
// 🚨 학생 삭제 트리거 카드
InkWell(
onTap: _showDeleteDialog,
borderRadius: BorderRadius.circular(24),
child: Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.red[50],
borderRadius: BorderRadius.circular(24),
border: Border.all(color: Colors.red.shade200),
),
child: const Row(
children: [
Icon(
Icons.delete_sweep_rounded,
color: Colors.red,
size: 32,
),
SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'학생 계정 강제 원격 삭제',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.red,
),
),
SizedBox(height: 2),
Text(
'인증 초기화 및 DB 제거용',
style: TextStyle(
fontSize: 12,
color: Colors.redAccent,
),
),
],
),
),
Icon(
Icons.arrow_forward_ios_rounded,
color: Colors.red,
size: 16,
),
],
),
),
),
],
),
),
);
}
}