Files
indoindo/lib/home_page.dart
2025-07-15 21:18:57 +09:00

575 lines
22 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 'common/widgets/upcoming_class_card.dart';
import 'common/widgets/course_card.dart';
import 'common/data/course.dart'; // Course 클래스 import
import 'plan_page.dart'; // PlanPage import
import 'common/widgets/now_study_class_card.dart';
import 'common/data/upcoming_study.dart';
import 'common/data/new_study.dart';
// 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<UpcomingStudy>> _upcomingStudies;
late Future<List<NewStudy>> _newStudies;
late Future<List<Course>> _newCoursesFuture; // New: Future for new courses
DateTime _currentTime = DateTime.now();
String _currentTimeZone = 'Loading timezone...';
late Stream<DateTime> _clockStream;
// --- 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();
_upcomingStudies = _fetchUpcomingStudies();
_newStudies = _fetchNewStudies();
_newCoursesFuture = _fetchNewCourses(); // Initialize new courses future
_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<UpcomingStudy>> _fetchUpcomingStudies() async {
final response = await http
.get(Uri.parse('https://helloworld6-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) =>
UpcomingStudy.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 upcoming studies. Status Code: ${response.statusCode}');
}
}
Future<List<NewStudy>> _fetchNewStudies() 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) =>
NewStudy.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 new studies. Status Code: ${response.statusCode}');
}
}
// New: Fetch new courses from API
Future<List<Course>> _fetchNewCourses() async {
final response = await http.get(Uri.parse('https://helloworld5-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> coursesJson = decodedJson['data'];
return coursesJson
.map((jsonItem) => Course.fromJson(jsonItem as Map<String, dynamic>))
.toList();
} else {
throw Exception('Invalid data format for new courses: "data" field is missing or not a list.');
}
}
else {
throw Exception('Failed to load new courses. 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.';
});
}
}
}
// --- 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: ${response.statusCode}');
}
} catch (e) {
if (mounted) {
setState(() {
_isLoadingRecommends = false;
_hasRecommendError = true;
_recommendErrorText = e.toString();
});
}
}
}
// --- 추천 클래스 데이터 가져오는 함수 끝 ---
// --- 추천 클래스 순환 타이머 시작 함수 ---
void _startRecommendTimer() {
_recommendTimer?.cancel();
if (_recommendPlans.isEmpty || !mounted) return;
_recommendTimer = Timer.periodic(const Duration(seconds: 10), (timer) {
if (!mounted || _recommendPlans.isEmpty) {
timer.cancel();
return;
}
setState(() {
_currentRecommendIndex = (_currentRecommendIndex + 1) % _recommendPlans.length;
});
});
}
// --- 추천 클래스 순환 타이머 시작 함수 끝 ---
Widget _buildLocalTimeBar() {
return StreamBuilder<DateTime>(
stream: _clockStream,
initialData: _currentTime,
builder: (context, snapshot) {
final DateTime displayTime = snapshot.data ?? DateTime.now();
final String formattedDate = DateFormat.yMMMMd().format(displayTime);
final String formattedTime = DateFormat.jms().format(displayTime);
return Container(
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
decoration: BoxDecoration(
color: Theme.of(context).primaryColor.withAlpha(25),
borderRadius: BorderRadius.circular(8.0),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.center, // 세로 중앙 정렬
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('Your Local Time', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16.0)),
const SizedBox(height: 6.0),
Text('$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])),
],
),
);
},
);
}
Widget _buildButtons() {
return Column(
mainAxisAlignment: MainAxisAlignment.center, // 세로 중앙 정렬
crossAxisAlignment: CrossAxisAlignment.stretch, // 버튼이 가로로 꽉 차게 설정
children: [
Expanded( // 버튼이 할당된 세로 공간을 모두 차지하도록 설정
child: ElevatedButton.icon(
icon: const Icon(Icons.add_circle_outline, size: 20),
label: const Text('Book Class', style: TextStyle(fontSize: 20)),
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Book Class 버튼 기능 구현 예정')),
);
},
style: ElevatedButton.styleFrom(
backgroundColor: Colors.blue, // 배경색을 파란색으로 설정
foregroundColor: Colors.white, // 글자색을 흰색으로 설정
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(8.0),
),
),
),
),
// const SizedBox(height: 8.0),
// 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),
// ),
// ),
// ),
],
);
}
Widget _buildHomeContent() {
return SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
child: IntrinsicHeight(
child: Row(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Expanded(
flex: 1,
child: _buildLocalTimeBar(),
),
const SizedBox(width: 12.0),
Expanded(
flex: 1,
child: _buildButtons(),
),
],
),
),
),
const Padding(
padding: EdgeInsets.fromLTRB(16.0, 16.0, 16.0, 8.0), // vertical을 위아래 다르게 조정
child: Text('Upcoming Study', style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold)),
),
SizedBox(
height: 200, // 가로 리스트의 높이를 줄입니다.
child: FutureBuilder<List<UpcomingStudy>>(
future: _upcomingStudies,
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(
scrollDirection: Axis.horizontal, // 가로 스크롤로 변경
padding: const EdgeInsets.only(left: 10.0, right: 5.0, top: 8.0, bottom: 5.0),
itemCount: plans.length,
itemBuilder: (context, index) {
final plan = plans[index];
return Align(
alignment: Alignment.topCenter, // 항목을 상단 중앙에 정렬
child: UpcomingClassCard(
plan: plan,
onTap: () {
widget.onNavigateToPlanTab(1);
},
),
);
},
);
}
},
),
),
// --- ▼▼▼ Find Your New Course 섹션 ▼▼▼ ---
const Padding(
padding: EdgeInsets.fromLTRB(16.0, 16.0, 16.0, 8.0),
child: Text('Find Your New Course', style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold)),
),
SizedBox(
height: 180,
child: FutureBuilder<List<Course>>(
future: _newCoursesFuture,
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 new courses: ${snapshot.error}', textAlign: TextAlign.center),
));
} else if (!snapshot.hasData || snapshot.data!.isEmpty) {
return const Center(child: Text('No new courses available.'));
} else {
final courses = snapshot.data!;
return ListView.builder(
scrollDirection: Axis.horizontal,
padding: const EdgeInsets.only(left: 10.0, right: 10.0, top: 5.0, bottom: 5.0),
itemCount: courses.length,
itemBuilder: (context, index) {
final course = courses[index];
return CourseCard(course: course);
},
);
}
},
),
),
// --- ▲▲▲ Find Your New Course 섹션 끝 ▲▲▲ ---
// --- ▼▼▼ 추천 클래스 섹션 호출 ▼▼▼ ---
_buildRecommendSection(),
// --- ▲▲▲ 추천 클래스 섹션 호출 끝 ▲▲▲ ---
const Padding(
padding: EdgeInsets.fromLTRB(16.0, 16.0, 16.0, 8.0),
child: Text('Trending On New Study', style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold)),
),
FutureBuilder<List<NewStudy>>(
future: _newStudies,
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 new studies: ${snapshot.error}', textAlign: TextAlign.center),
));
} else if (!snapshot.hasData || snapshot.data!.isEmpty) {
return const Center(child: Text('No new studies available.'));
} else {
final plans = snapshot.data!;
return GridView.builder(
shrinkWrap: true, // Column 안에 GridView를 넣을 때 필요
physics: const NeverScrollableScrollPhysics(), // 부모 SingleChildScrollView와 스크롤 충돌 방지
padding: const EdgeInsets.symmetric(horizontal: 10.0, vertical: 8.0),
itemCount: plans.length,
gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2, // 한 줄에 2개씩
crossAxisSpacing: 10.0, // 가로 간격
mainAxisSpacing: 10.0, // 세로 간격
childAspectRatio: 1.0, // 아이템의 가로세로 비율 (조정 필요 시 변경)
),
itemBuilder: (context, index) {
final plan = plans[index];
return StudyClassCard(
plan: plan,
onTap: () {
// widget.onNavigateToPlanTab(1);
},
);
},
);
}
},
),
],
),
);
}
@override
Widget build(BuildContext context) {
final List<Widget> pageContents = _buildPageContents();
return Scaffold(
// appBar: AppBar( // AppBar 주석 처리됨 (기존 코드에서)
// title: Text(_selectedIndex == 0 ? 'Home' : 'Plan Page'),
// ),
body: IndexedStack( // AppBar가 없으므로 SafeArea로 감싸는 것을 고려해볼 수 있습니다.
index: 0,
children: pageContents,
)
);
}
Widget _buildRecommendSection() {
if (_isLoadingRecommends) {
return const Padding(
padding: EdgeInsets.symmetric(vertical: 20.0),
child: Center(child: CircularProgressIndicator()),
);
}
if (_hasRecommendError) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 20.0, horizontal: 16.0),
child: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.error_outline, color: Colors.red, size: 40),
const SizedBox(height: 8),
Text(
'Failed to load recommendations.\n$_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(0.0, 12.0, 0.0, 0.0), // 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: [
AspectRatio(
aspectRatio: 6 / 1,
child: ClipRRect(
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))),
),
),
)],
),
);
}
}