86 lines
2.4 KiB
Dart
86 lines
2.4 KiB
Dart
 
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// 📋 선생님용 "스마트기기 반출 대장" 화면의 기능(서버 통신/상태) 담당 컨트롤러.
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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/foundation.dart';
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import 'package:http/http.dart' as http;
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import '../config.dart';
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class DeviceCheckoutLedgerController extends ChangeNotifier {
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List<dynamic> _requests = [];
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bool _isLoading = true;
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bool _isWorking = false;
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Timer? _timer;
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bool _disposed = false;
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List<dynamic> get requests => _requests;
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bool get isLoading => _isLoading;
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bool get isWorking => _isWorking;
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void _safeNotify() {
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if (!_disposed) notifyListeners();
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}
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void init() {
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fetchAll();
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_timer = Timer.periodic(const Duration(seconds: 5), (_) => fetchAll());
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}
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@override
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void dispose() {
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_disposed = true;
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_timer?.cancel();
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super.dispose();
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}
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Future<void> fetchAll() async {
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try {
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final response = await http.get(
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Uri.parse('$baseUrl/api/device-checkout/list'),
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);
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if (response.statusCode == 200) {
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final data = jsonDecode(utf8.decode(response.bodyBytes));
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_requests = data['requests'] ?? [];
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}
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} catch (_) {
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// 새로고침 실패는 조용히 무시하고 마지막으로 받아온 목록을 유지한다.
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} finally {
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_isLoading = false;
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_safeNotify();
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}
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}
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Future<(bool success, String message)> approve(int requestId) async {
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return _postAction('/api/device-checkout/approve', requestId);
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}
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Future<(bool success, String message)> reject(int requestId) async {
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return _postAction('/api/device-checkout/reject', requestId);
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}
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Future<(bool success, String message)> _postAction(
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String path,
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int requestId,
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) async {
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_isWorking = true;
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_safeNotify();
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try {
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final response = await http.post(
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Uri.parse('$baseUrl$path'),
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headers: {"Content-Type": "application/json"},
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body: jsonEncode({"requestId": requestId}),
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);
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final result = jsonDecode(utf8.decode(response.bodyBytes));
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if (response.statusCode == 200 && result['status'] == 'success') {
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await fetchAll();
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return (true, '✅ ${result['message'] ?? '처리되었습니다.'}');
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}
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return (false, '❌ ${result['message'] ?? '처리 실패'}');
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} catch (e) {
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return (false, '🚨 네트워크 에러: $e');
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} finally {
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_isWorking = false;
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_safeNotify();
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}
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}
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}
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