백품타에 친구/그룹 스터디/출석 달력 기능 추가

친구 신청·수락, 그룹 생성·초대(친구 목록에서 선택)·오늘 출석 현황 공유, 개인 연속 출석(스트릭) 달력, 관리자가 날짜별로 선물/이벤트를 등록하는 달력 관리 화면을 추가. 대시보드에 학생용 3개(친구/그룹 스터디/출석 달력) + 교사·관리자용 1개(출석 달력 관리) 타일을 배치. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-21 04:09:35 +00:00
parent bdc79b94c3
commit 8a9b414535
9 changed files with 1904 additions and 0 deletions
@@ -0,0 +1,124 @@
+// 👥 백품타 그룹 스터디(목록/생성/초대) 화면의 기능(서버 통신/상태) 담당 컨트롤러.
+import 'dart:convert';
+import 'package:flutter/foundation.dart';
+import 'package:http/http.dart' as http;
+import '../config.dart';
+
+class GroupController extends ChangeNotifier {
+  final String studentId;
+  final String studentName;
+
+  GroupController({required this.studentId, required this.studentName});
+
+  bool _isLoading = true;
+  bool _isBusy = false;
+  List<dynamic> _groups = [];
+  List<dynamic> _invites = [];
+  bool _disposed = false;
+
+  bool get isLoading => _isLoading;
+  bool get isBusy => _isBusy;
+  List<dynamic> get groups => _groups;
+  List<dynamic> get invites => _invites;
+
+  void _safeNotify() {
+    if (!_disposed) notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    _disposed = true;
+    super.dispose();
+  }
+
+  Future<void> init() => refresh();
+
+  Future<void> refresh() async {
+    _isLoading = true;
+    _safeNotify();
+    await Future.wait([_fetchGroups(), _fetchInvites()]);
+    _isLoading = false;
+    _safeNotify();
+  }
+
+  Future<void> _fetchGroups() async {
+    try {
+      final response = await http.get(
+        Uri.parse('$baseUrl/api/groups/mine?studentId=$studentId'),
+      );
+      if (response.statusCode == 200) {
+        final data = jsonDecode(utf8.decode(response.bodyBytes));
+        _groups = data['groups'] ?? [];
+      }
+    } catch (_) {
+      // 조용히 무시
+    }
+  }
+
+  Future<void> _fetchInvites() async {
+    try {
+      final response = await http.get(
+        Uri.parse('$baseUrl/api/groups/invites?studentId=$studentId'),
+      );
+      if (response.statusCode == 200) {
+        final data = jsonDecode(utf8.decode(response.bodyBytes));
+        _invites = data['invites'] ?? [];
+      }
+    } catch (_) {
+      // 조용히 무시
+    }
+  }
+
+  Future<(bool success, String message)> createGroup(String name) async {
+    _isBusy = true;
+    _safeNotify();
+    try {
+      final response = await http.post(
+        Uri.parse('$baseUrl/api/groups'),
+        headers: {"Content-Type": "application/json"},
+        body: jsonEncode({
+          "ownerId": studentId,
+          "ownerName": studentName,
+          "name": name.trim(),
+        }),
+      );
+      final result = jsonDecode(utf8.decode(response.bodyBytes));
+      if (response.statusCode == 200 && result['status'] == 'success') {
+        await _fetchGroups();
+        return (true, '${result['message'] ?? '그룹을 만들었습니다.'}');
+      }
+      return (false, '${result['message'] ?? '그룹 생성 실패'}');
+    } catch (e) {
+      return (false, '네트워크 에러: $e');
+    } finally {
+      _isBusy = false;
+      _safeNotify();
+    }
+  }
+
+  Future<(bool success, String message)> respondInvite(
+    int inviteId,
+    bool accept,
+  ) async {
+    _isBusy = true;
+    _safeNotify();
+    try {
+      final response = await http.post(
+        Uri.parse('$baseUrl/api/groups/invites/$inviteId/respond'),
+        headers: {"Content-Type": "application/json"},
+        body: jsonEncode({"responderId": studentId, "accept": accept}),
+      );
+      final result = jsonDecode(utf8.decode(response.bodyBytes));
+      if (response.statusCode == 200 && result['status'] == 'success') {
+        await refresh();
+        return (true, '${result['message'] ?? '처리했습니다.'}');
+      }
+      return (false, '${result['message'] ?? '처리 실패'}');
+    } catch (e) {
+      return (false, '네트워크 에러: $e');
+    } finally {
+      _isBusy = false;
+      _safeNotify();
+    }
+  }
+}