Files
indoindo/lib/home_page.dart
2025-06-06 06:18:19 +09:00

543 lines
20 KiB
Dart

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';
import 'dart:async'; // Timer를 사용하기 위해 추가
import 'package:intl/intl.dart';
// import 'package:flutter_native_timezone/flutter_native_timezone.dart'; // 주석 처리된 상태 유지
import '../plan_page.dart'; // PlanPage import
// CaseStudyPlan 클래스 (변경 없음)
class CaseStudyPlan {
final String planId;
final String planTitle;
final String planTeacher;
final String thumbnail;
CaseStudyPlan({
required this.planId,
required this.planTitle,
required this.planTeacher,
required this.thumbnail,
});
factory CaseStudyPlan.fromJson(Map<String, dynamic> json) {
return CaseStudyPlan(
planId: json['planId'] ?? '아이디 없음',
planTitle: json['planTitle'] ?? '제목 없음',
planTeacher: json['planTeacher'] ?? '선생님 정보 없음',
thumbnail: json['thumbnail'] ?? '',
);
}
}
// 새로운 추천 플랜 모델
class RecommendPlan {
final String planId;
final String planName;
final String thumbnail;
RecommendPlan({
required this.planId,
required this.planName,
required this.thumbnail,
});
factory RecommendPlan.fromJson(Map<String, dynamic> json) {
return RecommendPlan(
planId: json['plan id'] ?? 'ID 없음',
planName: json['plane name'] ?? '이름 없음',
thumbnail: json['thumbnail'] ?? '',
);
}
}
typedef OnNavigateToPage = void Function(int pageIndex);
class HomePage extends StatefulWidget {
// *** 추가: 콜백 함수를 받을 프로퍼티 ***
final OnNavigateToPage onNavigateToPlanTab;
const HomePage({
super.key,
required this.onNavigateToPlanTab, // *** 생성자에서 콜백 함수를 받도록 수정 ***
});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
late Future<List<CaseStudyPlan>> _caseStudyPlans;
DateTime _currentTime = DateTime.now();
String _currentTimeZone = 'Loading timezone...';
late Stream<DateTime> _clockStream;
int _selectedIndex = 0;
// --- 추천 클래스 관련 상태 변수 ---
List<RecommendPlan> _recommendPlans = [];
int _currentRecommendIndex = 0;
Timer? _recommendTimer;
bool _isLoadingRecommends = true;
bool _hasRecommendError = false;
String _recommendErrorText = '';
// --- 추천 클래스 관련 상태 변수 끝 ---
List<Widget> _buildPageContents() {
return [
_buildHomeContent(),
const PlanPage(),
];
}
@override
void initState() {
super.initState();
_caseStudyPlans = _fetchCaseStudyPlans();
_fetchTimezone();
_clockStream = Stream.periodic(const Duration(seconds: 1), (_) {
return DateTime.now();
});
_currentTime = DateTime.now();
// --- 추천 클래스 데이터 로드 및 타이머 시작 ---
_fetchRecommendPlans();
// --- 추천 클래스 데이터 로드 및 타이머 시작 끝 ---
}
@override
void dispose() {
_recommendTimer?.cancel(); // 위젯 제거 시 타이머 취소
super.dispose();
}
Future<List<CaseStudyPlan>> _fetchCaseStudyPlans() async {
final response = await http
.get(Uri.parse('https://helloworld2-ad2uqhckxq-uc.a.run.app'));
if (response.statusCode == 200) {
final Map<String, dynamic> decodedJson = json.decode(response.body);
if (decodedJson.containsKey('data') && decodedJson['data'] is List) {
final List<dynamic> plansJson = decodedJson['data'];
return plansJson
.map((jsonItem) =>
CaseStudyPlan.fromJson(jsonItem as Map<String, dynamic>))
.toList();
} else {
throw Exception(
'Invalid data format: "data" field is missing or not a list.');
}
} else {
throw Exception(
'Failed to load case study plans. Status Code: ${response.statusCode}');
}
}
Future<void> _fetchTimezone() async {
try {
final String timeZone = DateTime.now().timeZoneName;
if (mounted) {
setState(() {
_currentTimeZone = timeZone;
});
}
} catch (e) {
if (mounted) {
setState(() {
_currentTimeZone = 'Failed to get timezone.';
});
}
print('Could not get timezone: $e');
}
}
// --- 추천 클래스 데이터 가져오는 함수 ---
Future<void> _fetchRecommendPlans() async {
if (!mounted) return;
setState(() {
_isLoadingRecommends = true;
_hasRecommendError = false;
_recommendErrorText = '';
});
try {
final response = await http
.get(Uri.parse('https://helloworld3-ad2uqhckxq-uc.a.run.app'));
if (!mounted) return;
if (response.statusCode == 200) {
final Map<String, dynamic> decodedJson = json.decode(response.body);
if (decodedJson.containsKey('data') && decodedJson['data'] is List) {
final List<dynamic> plansJson = decodedJson['data'];
setState(() {
_recommendPlans = plansJson
.map((jsonItem) =>
RecommendPlan.fromJson(jsonItem as Map<String, dynamic>))
.toList();
_isLoadingRecommends = false;
if (_recommendPlans.isNotEmpty) {
_currentRecommendIndex = 0; // 데이터 로드 후 인덱스 초기화
_startRecommendTimer(); // 데이터 로드 후 타이머 시작
}
});
} else {
throw Exception('Invalid data format for recommend plans: "data" field is missing or not a list.');
}
} else {
throw Exception(
'Failed to load recommend plans. Status Code: ${response.statusCode}');
}
} catch (e) {
print('Error fetching recommend plans: $e');
if (mounted) {
setState(() {
_isLoadingRecommends = false;
_hasRecommendError = true;
_recommendErrorText = e.toString();
});
}
}
}
// --- 추천 클래스 데이터 가져오는 함수 끝 ---
// --- 추천 클래스 순환 타이머 시작 함수 ---
void _startRecommendTimer() {
_recommendTimer?.cancel();
if (_recommendPlans.isEmpty || !mounted) return;
_recommendTimer = Timer.periodic(const Duration(seconds: 10), (timer) {
if (!mounted || _recommendPlans.isEmpty) {
timer.cancel();
return;
}
setState(() {
_currentRecommendIndex = (_currentRecommendIndex + 1) % _recommendPlans.length;
});
});
}
// --- 추천 클래스 순환 타이머 시작 함수 끝 ---
Widget _buildLocalTimeBar() {
return StreamBuilder<DateTime>(
stream: _clockStream,
initialData: _currentTime,
builder: (context, snapshot) {
final DateTime displayTime = snapshot.data ?? DateTime.now();
final String formattedDate = DateFormat.yMMMMd().format(displayTime);
final String formattedTime = DateFormat.jms().format(displayTime);
return Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
color: Theme.of(context).primaryColor.withOpacity(0.1),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('Your Local Time', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16.0)),
const SizedBox(height: 6.0),
Text('$formattedDate, $formattedTime', style: const TextStyle(fontSize: 18.0, fontWeight: FontWeight.w500)),
const SizedBox(height: 4.0),
Text('Timezone: $_currentTimeZone', style: TextStyle(fontSize: 13.0, color: Colors.grey[700])),
],
),
);
},
);
}
// --- 추천 클래스 섹션 위젯 ---
Widget _buildRecommendSection() {
if (_isLoadingRecommends) {
return const Padding(
padding: EdgeInsets.symmetric(vertical: 20.0),
child: Center(child: CircularProgressIndicator()),
);
}
if (_hasRecommendError) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 20.0, horizontal: 16.0),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.error_outline, color: Colors.red, size: 40),
const SizedBox(height: 8),
Text(
'Failed to load recommendations.\n$_recommendErrorText',
textAlign: TextAlign.center,
style: const TextStyle(color: Colors.redAccent),
),
const SizedBox(height: 8),
ElevatedButton.icon(
icon: const Icon(Icons.refresh),
label: const Text('Retry'),
onPressed: _fetchRecommendPlans,
)
],
),
),
);
}
if (_recommendPlans.isEmpty) {
return const Padding(
padding: EdgeInsets.symmetric(vertical: 20.0),
child: Center(child: Text('No recommendations available at the moment.')),
);
}
final currentPlan = _recommendPlans[_currentRecommendIndex];
return Container(
margin: const EdgeInsets.fromLTRB(16.0, 12.0, 16.0, 16.0), // 하단 마진 추가
padding: const EdgeInsets.all(12.0),
decoration: BoxDecoration(
color: Theme.of(context).cardColor, // 카드 색상 사용
borderRadius: BorderRadius.circular(12.0),
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(0.2),
spreadRadius: 1,
blurRadius: 4,
offset: const Offset(0, 2),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'✨ Recommend Classes', // 이모지 추가
style: Theme.of(context).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold),
),
const SizedBox(height: 12.0),
Text(
currentPlan.planName,
style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.w500),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
// Test: Plan ID 표시 (디버깅용)
// Text('ID: ${currentPlan.planId}', style: TextStyle(fontSize: 10, color: Colors.grey)),
AspectRatio(
aspectRatio: 16 / 9,
child: ClipRRect(
borderRadius: BorderRadius.circular(8.0),
child: currentPlan.thumbnail.isNotEmpty
? Image.network(
currentPlan.thumbnail,
fit: BoxFit.cover,
loadingBuilder: (BuildContext context, Widget child, ImageChunkEvent? loadingProgress) {
if (loadingProgress == null) return child;
return Container( // 로딩 중 배경색 및 인디케이터 중앙 정렬 개선
color: Colors.grey[200],
child: Center(
child: CircularProgressIndicator(
value: loadingProgress.expectedTotalBytes != null
? loadingProgress.cumulativeBytesLoaded / loadingProgress.expectedTotalBytes!
: null,
),
),
);
},
errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
return Container(
color: Colors.grey[200],
child: const Center(child: Icon(Icons.broken_image, color: Colors.grey, size: 50)),
);
},
)
: Container(
color: Colors.grey[200],
child: const Center(child: Text('No Image Available', style: TextStyle(color: Colors.grey))),
),
),
)],
),
);
}
// --- 추천 클래스 섹션 위젯 끝 ---
Widget _buildHomeContent() {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
_buildLocalTimeBar(),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: <Widget>[
Expanded(
child: ElevatedButton.icon(
icon: const Icon(Icons.add_circle_outline, size: 20),
label: const Text('Book Class', style: TextStyle(fontSize: 14)),
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Book Class 버튼 기능 구현 예정')),
);
},
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 12.0),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8.0),
),
),
),
),
const SizedBox(width: 12.0),
Expanded(
child: ElevatedButton.icon(
icon: const Icon(Icons.schedule, size: 20),
label: const Text('Schedule', style: TextStyle(fontSize: 14)),
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Schedule 버튼 기능 구현 예정')),
);
},
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(vertical: 12.0),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8.0),
),
),
),
),
],
),
),
const Padding(
padding: EdgeInsets.fromLTRB(16.0, 16.0, 16.0, 8.0), // vertical을 위아래 다르게 조정
child: Text('Upcoming Classes', style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold)),
),
Expanded(
child: FutureBuilder<List<CaseStudyPlan>>(
future: _caseStudyPlans,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
} else if (snapshot.hasError) {
return Center(child: Padding(
padding: const EdgeInsets.all(16.0),
child: Text('Error loading upcoming classes: ${snapshot.error}', textAlign: TextAlign.center),
));
} else if (!snapshot.hasData || snapshot.data!.isEmpty) {
return const Center(child: Text('No upcoming classes available.'));
} else {
final plans = snapshot.data!;
return ListView.builder(
padding: const EdgeInsets.only(top: 8.0),
itemCount: plans.length,
itemBuilder: (context, index) {
final plan = plans[index];
return InkWell(
onTap: () {
// *** 부모 위젯(MyHomePage)에게 Plan 탭으로 이동하라고 알림 ***
// *** PlanPage가 _widgetOptions 리스트에서 두 번째(인덱스 1)라고 가정 ***
widget.onNavigateToPlanTab(1); // *** 전달받은 콜백 호출 ***
},
child: Card(
margin: const EdgeInsets.symmetric(vertical: 6.0, horizontal: 16.0),
elevation: 2.0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10.0)),
child: Padding(
padding: const EdgeInsets.all(12.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Expanded(
child: Text(
plan.planTitle,
style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
overflow: TextOverflow.ellipsis,
maxLines: 2,
),
),
const SizedBox(width: 8.0),
Text(
plan.planTeacher,
style: Theme.of(context).textTheme.bodySmall?.copyWith(color: Colors.grey[600]),
),
],
),
const SizedBox(height: 8.0),
if (plan.thumbnail.isNotEmpty)
ClipRRect(
borderRadius: BorderRadius.circular(8.0),
child: Image.network(
plan.thumbnail,
height: 150,
width: double.infinity,
fit: BoxFit.cover,
loadingBuilder: (BuildContext context, Widget child, ImageChunkEvent? loadingProgress) {
if (loadingProgress == null) return child;
return Container(
height: 150,
color: Colors.grey[200],
child: Center(
child: CircularProgressIndicator(
value: loadingProgress.expectedTotalBytes != null
? loadingProgress.cumulativeBytesLoaded / loadingProgress.expectedTotalBytes!
: null,
),
),
);
},
errorBuilder: (BuildContext context, Object exception, StackTrace? stackTrace) {
return Container(height: 150, color: Colors.grey[200], child: const Center(child: Icon(Icons.broken_image, color: Colors.grey, size: 50)));
},
),
)
else
Container(height: 150, color: Colors.grey[200], child: const Center(child: Text('No Image', style: TextStyle(color: Colors.grey)))),
],
),
),
),
);
},
);
}
},
),
),
// --- ▼▼▼ 추천 클래스 섹션 호출 ▼▼▼ ---
_buildRecommendSection(),
// --- ▲▲▲ 추천 클래스 섹션 호출 끝 ▲▲▲ ---
],
);
}
void _onItemTapped(int index) {
setState(() {
_selectedIndex = index;
// 홈 탭(인덱스 0)으로 돌아올 때 추천 타이머를 다시 시작할 수 있도록 고려
if (index == 0 && _recommendPlans.isNotEmpty && (_recommendTimer == null || !_recommendTimer!.isActive)) {
_startRecommendTimer();
} else if (index != 0) {
_recommendTimer?.cancel(); // 다른 탭으로 이동 시 타이머 일시 중지
}
});
}
@override
Widget build(BuildContext context) {
final List<Widget> pageContents = _buildPageContents();
return Scaffold(
// appBar: AppBar( // AppBar 주석 처리됨 (기존 코드에서)
// title: Text(_selectedIndex == 0 ? 'Home' : 'Plan Page'),
// ),
body: IndexedStack( // AppBar가 없으므로 SafeArea로 감싸는 것을 고려해볼 수 있습니다.
index: _selectedIndex,
children: pageContents,
)
);
}
}