Sistem-Pakar-Diagnosa-Penya.../frontend/lib/user/riwayat_diagnosa_page.dart

535 lines
19 KiB
Dart

import 'package:flutter/material.dart';
import 'package:SIBAYAM/api_services/api_services.dart';
import 'detail_riwayat_page.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'dart:convert';
import 'package:http/http.dart' as http;
import 'login_page.dart';
class RiwayatDiagnosaPage extends StatefulWidget {
final String? userId;
RiwayatDiagnosaPage({this.userId});
@override
_RiwayatDiagnosaPageState createState() => _RiwayatDiagnosaPageState();
}
class _RiwayatDiagnosaPageState extends State<RiwayatDiagnosaPage> {
List<Map<String, dynamic>> _riwayatData = [];
final ApiService apiService = ApiService();
bool _isLoading = true;
String? _errorMessage;
String? _userId;
String? _token;
String? _email;
@override
void initState() {
super.initState();
_loadUserDataAndFetchHistori();
}
Future<void> _loadUserDataAndFetchHistori() async {
try {
setState(() {
_isLoading = true;
_errorMessage = null;
});
// Ambil data user yang sedang login dari SharedPreferences
SharedPreferences prefs = await SharedPreferences.getInstance();
_token = prefs.getString('token');
_email = prefs.getString('email');
// Check if already has userId from widget constructor
_userId = widget.userId;
print("Token from SharedPreferences: $_token");
print("Email from SharedPreferences: $_email");
print("Initial userId: $_userId");
// If no token or email, we can't proceed
if (_token == null || _email == null) {
throw Exception('Sesi login tidak ditemukan, silahkan login kembali');
}
// If we don't have userId yet, we need to fetch user data first
if (_userId == null || _userId!.isEmpty) {
await _fetchUserData();
}
// Double-check if userId is still null after fetching
if (_userId == null || _userId!.isEmpty) {
throw Exception('Gagal mendapatkan ID pengguna');
}
// Now that we have userId, fetch the history data
await _fetchHistoriData();
} catch (e) {
print("Error in _loadUserDataAndFetchHistori: $e");
// Check if the error is about authentication
if (e.toString().contains('login') || e.toString().contains('sesi')) {
// Clear any existing user data and redirect to login
await ApiService.logoutUser();
// Navigate to login page in the next frame
WidgetsBinding.instance.addPostFrameCallback((_) {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => LoginPage()),
);
});
}
setState(() {
_isLoading = false;
_errorMessage = e.toString();
});
}
}
// Fetch user data to get user ID
Future<void> _fetchUserData() async {
try {
// Buat URL untuk endpoint user API
var url = Uri.parse(
"http://202.74.74.214/api/users",
);
// Kirim permintaan GET dengan token autentikasi
var response = await http.get(
url,
headers: {
"Content-Type": "application/json",
"Authorization": "Bearer $_token",
},
);
if (response.statusCode == 200) {
// Parse data respons
List<dynamic> users = jsonDecode(response.body);
print("Email login: $_email");
print("Users data from server: ${users.length} users");
// Cari user dengan email yang sama dengan yang login
Map<String, dynamic>? currentUser;
for (var user in users) {
if (user['email'].toString().toLowerCase() == _email!.toLowerCase()) {
currentUser = Map<String, dynamic>.from(user);
print(
"User found: ${currentUser['name']} with ID: ${currentUser['id']}",
);
break;
}
}
if (currentUser == null) {
throw Exception('Data pengguna tidak ditemukan');
}
// Save userId to SharedPreferences for future use
final prefs = await SharedPreferences.getInstance();
prefs.setString('userId', currentUser['id'].toString());
// Update state with user ID
setState(() {
_userId = currentUser!['id'].toString();
});
print("User ID set to: $_userId");
} else if (response.statusCode == 401) {
// Token tidak valid atau expired
await ApiService.logoutUser();
throw Exception('Sesi habis, silahkan login kembali');
} else {
throw Exception('Gagal mengambil data: ${response.statusCode}');
}
} catch (e) {
print("Error fetching user data: $e");
throw e; // Re-throw for the caller to handle
}
}
// Fungsi baru untuk mengelompokkan berdasarkan diagnosis dan waktu yang sama
List<Map<String, dynamic>> _groupHistoriByDiagnosis(
List<Map<String, dynamic>> data,
) {
final Map<String, Map<String, dynamic>> groupedData = {};
print("Data mentah dari API (setelah filter userId): $data");
for (var item in data) {
final String? penyakitNama = item['penyakit_nama'];
final String? hamaNama = item['hama_nama'];
final String? tanggalDiagnosa = item['tanggal_diagnosa'];
final int? idPenyakit = item['id_penyakit'];
final int? idHama = item['id_hama'];
final hasPenyakit =
penyakitNama != null && penyakitNama.toString().isNotEmpty;
final hasHama = hamaNama != null && hamaNama.toString().isNotEmpty;
if (!hasPenyakit && !hasHama) {
print("Item dilewati karena tidak memiliki penyakit atau hama: $item");
continue;
}
if (tanggalDiagnosa == null) {
print("Item dilewati karena tidak memiliki tanggal diagnosa: $item");
continue;
}
// Gabungkan nama penyakit dan hama jika keduanya ada
String diagnosisKey = '';
if (hasPenyakit && hasHama) {
diagnosisKey = '$penyakitNama & $hamaNama';
} else if (hasPenyakit) {
diagnosisKey = penyakitNama!;
} else {
diagnosisKey = hamaNama!;
}
// Tentukan diagnosis_type
String diagnosisType =
hasPenyakit && hasHama
? 'penyakit & hama'
: hasPenyakit
? 'penyakit'
: 'hama';
// Format tanggal waktu ke format Indonesia
String formattedDateTime = '';
String rawDateTime = '';
DateTime dateTime;
try {
// Parsing tanggal dari string yang datang dari API
dateTime = DateTime.parse(tanggalDiagnosa);
// Buat format tanggal dan waktu yang lebih ramah pengguna
String day = dateTime.day.toString().padLeft(2, '0');
String month = dateTime.month.toString().padLeft(2, '0');
String year = dateTime.year.toString();
String hour = dateTime.hour.toString().padLeft(2, '0');
String minute = dateTime.minute.toString().padLeft(2, '0');
String second = dateTime.second.toString().padLeft(2, '0');
formattedDateTime = '$day-$month-$year $hour:$minute:$second WIB';
// Format timestamp untuk pengelompokan (tanpa detik untuk mengelompokkan waktu yang "sama")
rawDateTime = '$year-$month-$day $hour:$minute';
} catch (e) {
print("Error parsing date: $e for date: $tanggalDiagnosa");
formattedDateTime = 'Tanggal tidak valid';
rawDateTime = 'invalid';
continue; // Skip item with invalid date
}
// Buat composite key untuk pengelompokan (gabungan diagnosa dan waktu)
final compositeKey = '$diagnosisKey##$rawDateTime';
// Inisialisasi grup jika belum ada
if (!groupedData.containsKey(compositeKey)) {
groupedData[compositeKey] = {
'diagnosis': diagnosisKey,
'diagnosis_type': diagnosisType,
'gejala': <String>[],
'hasil': item['hasil'],
'tanggal_diagnosa': formattedDateTime,
'tanggal_diagnosa_raw': tanggalDiagnosa,
'id_penyakit': idPenyakit,
'id_hama': idHama,
'timestamp': rawDateTime, // menyimpan waktu untuk sorting
};
}
// Tambahkan gejala jika belum ada
if (item['gejala_nama'] != null) {
final gejalaNama = item['gejala_nama'];
if (!groupedData[compositeKey]!['gejala'].contains(gejalaNama)) {
groupedData[compositeKey]!['gejala'].add(gejalaNama);
}
}
}
// Konversi ke list dan urutkan berdasarkan timestamp terbaru
final result = groupedData.values.toList();
result.sort((a, b) {
final String timestampA = a['timestamp'] ?? '';
final String timestampB = b['timestamp'] ?? '';
return timestampB.compareTo(timestampA); // descending (terbaru dulu)
});
print(
"Hasil pengelompokan berdasarkan diagnosa dan waktu: ${result.length} entries",
);
return result;
}
Future<void> _fetchHistoriData() async {
try {
print("Fetching histori dengan userId: $_userId");
// Panggil API untuk mendapatkan data histori
final historiResponse = await apiService.fetchHistoriDenganDetail(
_userId!,
);
// Kelompokkan data berdasarkan diagnosis
final groupedData = _groupHistoriByDiagnosis(historiResponse);
setState(() {
_riwayatData =
groupedData; // Use groupedData instead of historiResponse
_isLoading = false;
});
print("Successfully fetched ${_riwayatData.length} history records");
} catch (e) {
print("Error fetching histori data: $e");
setState(() {
_isLoading = false;
_errorMessage = "Gagal memuat data riwayat: ${e.toString()}";
});
}
}
Widget _buildErrorWidget() {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 60, color: Colors.white70),
SizedBox(height: 16),
Text(
_errorMessage ?? 'Terjadi kesalahan',
style: TextStyle(color: Colors.white, fontSize: 16),
textAlign: TextAlign.center,
),
SizedBox(height: 24),
ElevatedButton(
onPressed: _loadUserDataAndFetchHistori,
style: ElevatedButton.styleFrom(
backgroundColor: Colors.white,
foregroundColor: Color(0xFF9DC08D),
),
child: Text('Coba Lagi'),
),
],
),
);
}
Widget _buildEmptyHistoryWidget() {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.history, size: 60, color: Colors.white70),
SizedBox(height: 16),
Text(
'Belum ada riwayat diagnosa.',
style: TextStyle(color: Colors.white, fontSize: 16),
textAlign: TextAlign.center,
),
],
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Color(0xFF9DC08D),
appBar: AppBar(
backgroundColor: Color(0xFF9DC08D),
title: Text(
"Riwayat Diagnosa",
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold,
color: Colors.white,
),
),
leading: IconButton(
icon: Icon(Icons.arrow_back, color: Colors.white),
onPressed: () => Navigator.pop(context),
),
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child:
_isLoading
? Center(child: CircularProgressIndicator(color: Colors.white))
: _errorMessage != null
? _buildErrorWidget()
: _riwayatData.isEmpty
? _buildEmptyHistoryWidget()
: ListView.builder(
itemCount: _riwayatData.length,
itemBuilder: (context, index) {
final riwayat = _riwayatData[index];
// Safely handle potential null values
List<dynamic> gejalaList = [];
if (riwayat.containsKey('gejala') &&
riwayat['gejala'] != null) {
gejalaList = riwayat['gejala'] as List<dynamic>;
}
final gejalaText =
gejalaList.isEmpty
? "Tidak ada gejala tercatat"
: gejalaList.join(', ');
// Mendapatkan jenis diagnosis (penyakit/hama/keduanya)
final String diagnosisType =
riwayat['diagnosis_type'] ?? 'Tidak diketahui';
// Mendapatkan badge warna berdasarkan jenis diagnosis
Color badgeColor;
switch (diagnosisType) {
case 'penyakit':
badgeColor = Color(0xFF9DC08D); // Warna untuk penyakit
break;
case 'hama':
badgeColor = Color(
0xFF7A9A6D,
); // Warna lebih gelap untuk hama
break;
case 'penyakit & hama':
badgeColor = Color(
0xFF5C7452,
); // Warna paling gelap untuk kombinasi
break;
default:
badgeColor = Colors.grey[300]!;
}
return Card(
margin: EdgeInsets.only(bottom: 12.0),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
elevation: 3,
child: Column(
children: [
// Header dengan waktu diagnosa
Container(
width: double.infinity,
padding: EdgeInsets.symmetric(
horizontal: 12,
vertical: 8,
),
decoration: BoxDecoration(
color: Color(0xFFE1EDD5),
borderRadius: BorderRadius.only(
topLeft: Radius.circular(12),
topRight: Radius.circular(12),
),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Icon(
Icons.access_time,
size: 18,
color: Colors.grey[700],
),
SizedBox(width: 8),
Expanded(
child: Text(
'${riwayat['tanggal_diagnosa'] ?? "Tanggal tidak tersedia"}',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w500,
color: Colors.grey[700],
),
),
),
// Badge jenis diagnosis
Container(
padding: EdgeInsets.symmetric(
horizontal: 8,
vertical: 4,
),
decoration: BoxDecoration(
color: badgeColor,
borderRadius: BorderRadius.circular(12),
),
child: Text(
diagnosisType,
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w500,
color: Colors.white,
),
),
),
],
),
),
// Content
Padding(
padding: const EdgeInsets.all(12.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Diagnosis: ${riwayat['diagnosis']}',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
SizedBox(height: 8),
Text(
'Gejala: $gejalaText',
style: TextStyle(fontSize: 14),
),
SizedBox(height: 4),
Text(
'Hasil: ${riwayat['hasil'] != null ? "${(((riwayat['hasil'] as num) * 1000).floor() / 10).toStringAsFixed(1)}%" : "-"}',
style: TextStyle(fontSize: 14),
),
SizedBox(height: 12),
Align(
alignment: Alignment.centerRight,
child: ElevatedButton(
onPressed: () {
print(
"Navigating to DetailRiwayatPage with data: $riwayat",
);
Navigator.push(
context,
MaterialPageRoute(
builder:
(context) => DetailRiwayatPage(
detailRiwayat:
riwayat, // Kirim data riwayat ke halaman detail
),
),
);
},
style: ElevatedButton.styleFrom(
backgroundColor: Color(0xFF9DC08D),
foregroundColor: Colors.white,
),
child: Text('Lihat Detail'),
),
),
],
),
),
],
),
);
},
),
),
);
}
}