Sistem-Pakar-Diagnosa-Penya.../frontend/lib/admin/penyakit_page.dart

317 lines
11 KiB
Dart

import 'package:flutter/material.dart';
import 'package:SIBAYAM/admin/edit_penyakit_page.dart';
import 'package:SIBAYAM/api_services/api_services.dart';
import 'tambah_penyakit_page.dart';
import 'edit_penyakit_page.dart';
class PenyakitPage extends StatefulWidget {
@override
_PenyakitPageState createState() => _PenyakitPageState();
}
class _PenyakitPageState extends State<PenyakitPage> {
final ApiService apiService = ApiService();
List<Map<String, dynamic>> penyakitList = [];
List<Map<String, dynamic>> filteredPenyakitList = [];
TextEditingController searchController = TextEditingController();
bool isSearchVisible = false;
@override
void initState() {
super.initState();
_fetchPenyakit();
searchController.addListener(_filterPenyakit);
}
@override
void dispose() {
searchController.dispose();
super.dispose();
}
Future<void> _fetchPenyakit() async {
try {
List<Map<String, dynamic>> data = await apiService.getPenyakit();
setState(() {
penyakitList = data;
filteredPenyakitList = data;
});
} catch (e) {
print("Error fetching data: $e");
}
}
void _filterPenyakit() {
String query = searchController.text.toLowerCase();
setState(() {
filteredPenyakitList = penyakitList.where((penyakit) {
String nama = (penyakit['nama'] ?? '').toLowerCase();
String kode = (penyakit['kode'] ?? '').toLowerCase();
return nama.contains(query) || kode.contains(query);
}).toList();
currentPage = 0; // Reset pagination saat search
});
}
void _toggleSearch() {
setState(() {
isSearchVisible = !isSearchVisible;
if (!isSearchVisible) {
searchController.clear();
filteredPenyakitList = penyakitList;
}
});
}
// 🔹 Hapus penyakit dari API
void _hapusPenyakit(int id) async {
try {
await apiService.deletePenyakit(id);
_fetchPenyakit(); // Refresh data setelah hapus
} catch (e) {
print('Error hapus penyakit: $e');
}
}
void _konfirmasiHapus(int id) {
showDialog(
context: context,
builder: (context) {
return AlertDialog(
title: Text('Konfirmasi Hapus'),
content: Text('Apakah Anda yakin ingin menghapus penyakit ini?'),
actions: [
TextButton(
onPressed: () {
Navigator.pop(context); // Tutup pop-up tanpa menghapus
},
child: Text('Tidak'),
),
ElevatedButton(
onPressed: () {
Navigator.pop(context); // Tutup pop-up
_hapusPenyakit(id); // Lanjutkan proses hapus
},
child: Text('Ya, Hapus'),
style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
),
],
);
},
);
}
void _navigateToEdit(Map<String, dynamic> penyakit) {
// Parse nilai_pakar dengan aman
double nilaiPakar = 0.0;
if (penyakit['nilai_pakar'] != null) {
// Coba parse jika string
if (penyakit['nilai_pakar'] is String) {
try {
String nilaiStr = penyakit['nilai_pakar'].toString().trim();
if (nilaiStr.isNotEmpty) {
nilaiPakar = double.parse(nilaiStr.replaceAll(',', '.'));
}
} catch (e) {
print("Error parsing nilai_pakar: $e");
}
}
// Langsung gunakan jika sudah double
else if (penyakit['nilai_pakar'] is double) {
nilaiPakar = penyakit['nilai_pakar'];
}
// Jika int, konversi ke double
else if (penyakit['nilai_pakar'] is int) {
nilaiPakar = penyakit['nilai_pakar'].toDouble();
}
}
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => EditPenyakitPage(
idPenyakit: penyakit['id'],
namaAwal: penyakit['nama'] ?? '',
deskripsiAwal: penyakit['deskripsi'] ?? '',
penangananAwal: penyakit['penanganan'] ?? '',
gambarUrl: penyakit['foto'] ?? '',
nilai_pakar: nilaiPakar,
onPenyakitUpdated: _fetchPenyakit,
),
),
);
}
//pagination
int currentPage = 0;
int rowsPerPage = 10;
@override
Widget build(BuildContext context) {
int start = currentPage * rowsPerPage;
int end = (start + rowsPerPage < filteredPenyakitList.length)
? start + rowsPerPage
: filteredPenyakitList.length;
List currentPageData = filteredPenyakitList.sublist(start, end);
return Scaffold(
appBar: AppBar(
title: Text('Halaman Penyakit'),
backgroundColor: Color(0xFF9DC08D),
),
body: Column(
children: [
SizedBox(height: 16),
// Search Button
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
ElevatedButton.icon(
onPressed: _toggleSearch,
icon: Icon(Icons.search),
label: Text('Cari'),
style: ElevatedButton.styleFrom(
backgroundColor: Color(0xFF9DC08D),
foregroundColor: Colors.white,
),
),
],
),
),
// Search Field (conditional)
if (isSearchVisible)
Container(
margin: EdgeInsets.all(16),
child: TextField(
controller: searchController,
autofocus: true,
decoration: InputDecoration(
hintText: 'Cari nama atau kode penyakit...',
prefixIcon: Icon(Icons.search),
suffixIcon: IconButton(
icon: Icon(Icons.close),
onPressed: _toggleSearch,
),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(10),
),
filled: true,
fillColor: Colors.grey[100],
),
),
),
Expanded(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
children: [
// Data List
Expanded(
child: ListView.builder(
itemCount: currentPageData.length,
itemBuilder: (context, index) {
final penyakit = currentPageData[index];
return Container(
margin: EdgeInsets.only(bottom: 12),
child: Row(
children: [
// Card dengan nama penyakit
Expanded(
child: Card(
elevation: 2,
child: InkWell(
onTap: () => _navigateToEdit(penyakit),
child: Container(
padding: EdgeInsets.symmetric(vertical: 16, horizontal: 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
penyakit['nama'] ?? '-',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w500,
),
),
SizedBox(height: 4),
Text(
penyakit['kode'] ?? '-',
style: TextStyle(
fontSize: 14,
color: Colors.grey[600],
),
),
],
),
),
),
),
),
SizedBox(width: 8),
// Button hapus di luar card
Container(
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(8),
),
child: IconButton(
icon: Icon(Icons.delete, color: Colors.white),
onPressed: () => _konfirmasiHapus(penyakit['id']),
),
),
],
),
);
},
),
),
SizedBox(height: 16),
// Pagination
if (filteredPenyakitList.length > rowsPerPage)
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
IconButton(
icon: Icon(Icons.chevron_left),
onPressed: currentPage > 0
? () => setState(() => currentPage--)
: null,
),
Text(
'Halaman ${currentPage + 1}',
style: TextStyle(fontSize: 16),
),
IconButton(
icon: Icon(Icons.chevron_right),
onPressed: (currentPage + 1) * rowsPerPage < filteredPenyakitList.length
? () => setState(() => currentPage++)
: null,
),
],
),
],
),
),
),
],
),
floatingActionButton: FloatingActionButton(
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => TambahPenyakitPage(
onPenyakitAdded: _fetchPenyakit,
),
),
);
},
child: Icon(Icons.add),
backgroundColor: Color(0xFF9DC08D),
),
);
}
}