324 lines
11 KiB
Dart
324 lines
11 KiB
Dart
import 'dart:convert'; // Untuk JSON parsing
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import 'package:flutter/material.dart';
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import 'package:http/http.dart' as http; // Untuk HTTP request
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import 'package:go_router/go_router.dart';
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import 'package:ta_tahsin/core/baseurl/base_url.dart';
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import 'package:ta_tahsin/core/theme.dart'; // Pastikan Anda mengimpor theme.dart
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import 'package:shared_preferences/shared_preferences.dart'; // Import shared_preferences
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class DetailQuizPage extends StatefulWidget {
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final int id; // Menambahkan materiId yang dipilih
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final String title; // Menambahkan materiId yang dipilih
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DetailQuizPage({super.key, required this.id, required this.title});
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@override
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_DetailQuizPageState createState() => _DetailQuizPageState();
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}
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class _DetailQuizPageState extends State<DetailQuizPage> {
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Map<int, int> selectedAnswers = {}; // Menyimpan jawaban per soal
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List<dynamic> quizList = []; // Menyimpan data soal yang diambil dari API
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bool isLoading = true; // Untuk menandakan status loading data
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String? authToken; // Variabel authToken yang akan diambil dari shared_preferences
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@override
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void initState() {
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super.initState();
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_getAuthToken(); // Ambil authToken ketika halaman pertama kali dibuka
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fetchQuizData(); // Mengambil data soal ketika halaman pertama kali dibuka
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}
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Future<void> _getAuthToken() async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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// Mengambil token yang disimpan
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String? authToken = prefs.getString('token');
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if (authToken != null) {
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setState(() {
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this.authToken = authToken; // Menyimpan token ke variabel authToken
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});
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} else {
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print("No auth token found");
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}
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}
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// Fungsi untuk mengambil data soal dari API
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Future<void> fetchQuizData() async {
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final response = await http.get(Uri.parse('${BaseUrl.baseUrl}/quiz/${widget.id}'));
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if (response.statusCode == 200) {
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setState(() {
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quizList = json.decode(response.body)['data'];
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isLoading = false;
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});
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} else {
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setState(() {
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isLoading = false;
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});
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// Handle error jika API gagal
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print('Failed to load quiz data');
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}
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}
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Future<void> submitQuizAnswers() async {
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if (authToken == null) {
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print("No auth token found");
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return;
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}
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List<Map<String, dynamic>> answers = [];
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selectedAnswers.forEach((questionIndex, optionIndex) {
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var questionData = quizList[questionIndex];
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var selectedOption = ['a', 'b', 'c', 'd'][optionIndex]; // Menyusun option berdasarkan index
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answers.add({
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'question_id': questionData['id'],
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'selected_option': selectedOption,
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});
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});
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final response = await http.post(
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Uri.parse('${BaseUrl.baseUrl}/quiz/${widget.id}/check'),
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headers: {
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'Authorization': 'Bearer $authToken',
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'Content-Type': 'application/json',
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},
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body: json.encode({'answers': answers}),
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);
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print("Response status: ${response.statusCode}");
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print("Response body: ${response.body}");
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if (response.statusCode == 200) {
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var data = json.decode(response.body);
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int totalScore = data['data']['total_score'];
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int correctAnswers = data['data']['correct_answers'];
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// Tampilkan dialog hasil quiz
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showResultDialog(totalScore, correctAnswers);
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} else {
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print('Failed to submit answers');
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// Tampilkan pesan error jika gagal
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}
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}
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void showResultDialog(int totalScore, int correctAnswers) {
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showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12.0), // Membuat sudut lebih melengkung
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),
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title: Row(
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children: [
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Icon(
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Icons.check_circle_outline,
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color: Colors.green,
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size: 30,
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),
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SizedBox(width: 10),
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Text(
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"Konfirmasi",
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
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),
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],
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),
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content: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(
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"Apakah Anda yakin dengan jawaban Anda?",
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 16),
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),
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),
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actions: <Widget>[
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// Tombol Batal
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TextButton(
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child: Text(
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"Batal",
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style: TextStyle(color: Colors.red, fontSize: 16),
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),
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onPressed: () {
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Navigator.of(context).pop(); // Menutup dialog dan kembali
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},
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),
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// Tombol OK
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ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: secondPrimaryColor, // Warna tombol OK
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padding: EdgeInsets.symmetric(horizontal: 20, vertical: 12),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8.0),
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),
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),
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child: Text(
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"OK",
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style: TextStyle(fontSize: 16, color: Colors.white),
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),
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onPressed: () {
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// Navigasi ke halaman hasil_quiz dengan data tambahan
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Navigator.of(context).pop(); // Tutup dialog terlebih dahulu
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context.go('/hasil_quiz', extra: {
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'totalScore': totalScore,
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'title': widget.title,
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});
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},
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),
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],
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);
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},
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);
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}
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// Fungsi untuk mengecek apakah semua soal sudah dijawab
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bool canFinishQuiz() {
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return selectedAnswers.length == quizList.length;
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}
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// Membuat tampilan tombol pilihan jawaban
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Widget _buildOption(String optionText, int questionIndex, int optionIndex) {
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bool isSelected = selectedAnswers[questionIndex] == optionIndex;
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 8.0),
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child: ElevatedButton(
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onPressed: () {
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setState(() {
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selectedAnswers[questionIndex] = optionIndex; // Menyimpan pilihan yang dipilih untuk soal tertentu
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});
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: isSelected ? secondPrimaryColor : Colors.grey[300], // Mengubah warna tombol saat dipilih
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padding: const EdgeInsets.symmetric(vertical: 16.0, horizontal: 16.0),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12.0)),
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elevation: isSelected ? 5 : 2, // Efek bayangan yang lebih halus
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shadowColor: isSelected ? Colors.black.withOpacity(0.2) : Colors.black.withOpacity(0.1),
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minimumSize: Size(double.infinity, 50), // Tombol mengisi lebar layar
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),
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child: Text(
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optionText,
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style: TextStyle(fontSize: 16, color: isSelected ? Colors.white : Colors.black87),
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),
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: PreferredSize(
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preferredSize: Size.fromHeight(50),
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child: Card(
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elevation: 4,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.zero,
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),
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margin: EdgeInsets.zero,
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child: AppBar(
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backgroundColor: secondPrimaryColor,
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title: Text(
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"Detail Quiz",
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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),
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),
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leading: IconButton(
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icon: const Icon(Icons.arrow_back),
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color: Colors.white,
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onPressed: () {
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context.go('/navigasi');
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},
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),
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),
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),
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),
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body: Padding(
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padding: const EdgeInsets.all(16.0),
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child: isLoading
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? Center(child: CircularProgressIndicator()) // Loading indicator
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: Column(
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children: [
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Expanded(
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child: ListView.builder(
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itemCount: quizList.length,
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itemBuilder: (context, index) {
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var questionData = quizList[index];
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var question = questionData['question'];
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var options = [
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questionData['option_a'],
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questionData['option_b'],
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questionData['option_c'],
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questionData['option_d']
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];
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return Padding(
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padding: const EdgeInsets.only(bottom: 20),
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child: Card(
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elevation: 5,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(15)),
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color: Colors.white,
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shadowColor: Colors.black.withOpacity(0.1),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"${index + 1}. $question",
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: blackColor,
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),
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),
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const SizedBox(height: 15),
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...options.map((option) {
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int optionIndex = options.indexOf(option);
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return _buildOption(option, index, optionIndex);
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}).toList(),
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],
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),
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),
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),
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);
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},
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),
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),
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// Tombol Selesai
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Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: canFinishQuiz() ? submitQuizAnswers : null, // Tombol selesai hanya aktif jika semua soal dijawab
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style: ElevatedButton.styleFrom(
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backgroundColor: canFinishQuiz()
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? secondPrimaryColor
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: Colors.grey[300],
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padding: const EdgeInsets.symmetric(vertical: 10.0),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12.0)),
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elevation: 5,
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),
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child: Text(
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"Selesai",
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style: TextStyle(fontSize: 16, color: Colors.white),
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),
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),
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),
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),
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],
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),
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),
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);
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}
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}
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