MIF_E31230549/lib/bidan/crud_data_gizi/tambah_gizi_balita.dart

454 lines
18 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:http/http.dart' as http;
class TambahGiziBalitaPage extends StatefulWidget {
final Map<String, dynamic> balita;
const TambahGiziBalitaPage({super.key, required this.balita});
@override
State<TambahGiziBalitaPage> createState() => _TambahGiziBalitaPageState();
}
class _TambahGiziBalitaPageState extends State<TambahGiziBalitaPage> {
final _formKey = GlobalKey<FormState>();
bool _isSaving = false;
bool _isLoadingPreview =
true; // Menahan transisi widget selama proses hitung API
// Controller text form input & field readonly
final TextEditingController _bbUController = TextEditingController();
final TextEditingController _tbUController = TextEditingController();
final TextEditingController _bbTbController = TextEditingController();
final TextEditingController _tindakLanjutController = TextEditingController();
final TextEditingController _saranController = TextEditingController();
// Status klasifikasi gizi text yang dihitung dinamis oleh server PHP
String? _selectedStatusBBU;
String? _selectedStatusTBU;
String? _selectedStatusBBTB;
String keteranganBBU = "Menghitung...";
String keteranganTBU = "Menghitung...";
String keteranganBBTB = "Menghitung...";
// Master list referensi dropdown status gizi penyeimbang data
final List<String> _listBBU = [
'Gizi Buruk',
'Gizi Kurang',
'Gizi Baik',
'Risiko Gizi Lebih'
];
final List<String> _listTBU = ['Sangat Pendek', 'Pendek', 'Normal', 'Tinggi'];
final List<String> _listBBTB = [
'Sangat Kurus',
'Kurus',
'Normal',
'Gemuk',
'Obesitas'
];
@override
void initState() {
super.initState();
_ambilPreviewKalkulasiServer();
}
// Helper pembersih string angka timbangan gizi anak di card atas
String formatAngka(dynamic value, String satuan) {
if (value == null ||
value.toString().trim().isEmpty ||
value.toString().toLowerCase() == "null") {
return "-";
}
return "${value.toString()} $satuan";
}
// =========================================================================
// Fungsi Pendukung Realtime Preview Kalkulasi Z-Score dari Database Server
// =========================================================================
Future<void> _ambilPreviewKalkulasiServer() async {
try {
final response = await http.post(
Uri.parse(
"http://ta.myhost.id/E31230549/mposyandu_api/gizi_balita/tambah_gizi_balita.php"),
body: {
"id_pemeriksaan": widget.balita["id_pemeriksaan"].toString(),
"id_balita": widget.balita["id"].toString(),
"mode": "preview" // Triger parameter pembeda request mode di PHP
},
);
final result = json.decode(response.body);
if (result['success'] == true) {
double zBBU =
double.tryParse(result['zscore_bb_u']?.toString() ?? '0.0') ?? 0.0;
double zTBU =
double.tryParse(result['zscore_tb_u']?.toString() ?? '0.0') ?? 0.0;
double zBBTB =
double.tryParse(result['zscore_bb_tb']?.toString() ?? '0.0') ?? 0.0;
_bbUController.text = zBBU.toStringAsFixed(2);
_tbUController.text = zTBU.toStringAsFixed(2);
_bbTbController.text = zBBTB.toStringAsFixed(2);
String serverBBU = result['status_bbu']?.toString() ?? 'Gizi Baik';
String serverTBU = result['status_tbu']?.toString() ?? 'Normal';
String serverBBTB = result['status_bbtb']?.toString() ?? 'Normal';
// Penyelaras kata kunci jika seandainya backend mengirimkan teks "Normal" pada kategori BB/U
if (serverBBU == "Normal") serverBBU = "Gizi Baik";
setState(() {
// Sistem pengaman asersi: hanya masukkan value ke dropdown jika string terdaftar di list widget
_selectedStatusBBU = _listBBU.contains(serverBBU) ? serverBBU : null;
_selectedStatusTBU = _listTBU.contains(serverTBU) ? serverTBU : null;
_selectedStatusBBTB =
_listBBTB.contains(serverBBTB) ? serverBBTB : null;
keteranganBBU = _getSDStatus(zBBU);
keteranganTBU = _getSDStatus(zTBU);
keteranganBBTB = _getSDStatus(zBBTB);
_isLoadingPreview =
false; // Mematikan putaran loading & memunculkan form komponen gizi
});
} else {
setState(() => _isLoadingPreview = false);
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("Info: ${result['message']}")));
}
}
} catch (e) {
setState(() {
keteranganBBU = "Gagal memuat";
keteranganTBU = "Gagal memuat";
keteranganBBTB = "Gagal memuat";
_isLoadingPreview = false;
});
}
}
// =========================================================================
// Perbaikan Inti: Logika Pemisah Angka Minus & Plus Terhadap Nilai Median
// =========================================================================
String _getSDStatus(double z) {
if (z < -3) return "Di bawah -3 SD";
if (z < -2) return "-3 SD s/d -2 SD";
// Jika nilai desimal minus (misal -0.07), langsung kunci ke rentang kiri median
if (z < 0) return "-2 SD s/d < Median";
// Jika nilai desimal nol atau positif kecil, masukkan ke rentang kanan median
if (z <= 1) return "Median s/d +1 SD";
if (z <= 2) return "Di atas +1 SD s/d +2 SD";
return "Di atas +2 SD";
}
// =========================================================================
// Fungsi Penyimpanan Data Gizi Transaksional Bersih ke Server API
// =========================================================================
Future<void> _simpanData() async {
if (!_formKey.currentState!.validate()) return;
setState(() => _isSaving = true);
try {
final response = await http.post(
Uri.parse(
"http://ta.myhost.id/E31230549/mposyandu_api/gizi_balita/tambah_gizi_balita.php"),
body: {
"id_pemeriksaan": widget.balita["id_pemeriksaan"].toString(),
"id_balita": widget.balita["id"].toString(),
"tindak_lanjut": _tindakLanjutController.text,
"saran": _saranController.text,
"status_bbu": _selectedStatusBBU,
"status_tbu": _selectedStatusTBU,
"status_bbtb": _selectedStatusBBTB,
},
);
final result = json.decode(response.body);
if (result['success'] == true) {
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("Data Berhasil Disimpan")));
Navigator.pop(context, true);
} else {
throw result['message'];
}
} catch (e) {
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(content: Text("Error: $e")));
} finally {
if (mounted) setState(() => _isSaving = false);
}
}
@override
Widget build(BuildContext context) {
final bb = formatAngka(widget.balita['bb'], "kg");
final tb = formatAngka(widget.balita['tb'], "cm");
return Scaffold(
backgroundColor: Colors.grey[100],
appBar: AppBar(
backgroundColor: Colors.blue,
iconTheme: const IconThemeData(color: Colors.white),
elevation: 0,
),
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(16),
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 500),
child: Form(
key: _formKey,
child: Column(
children: [
// Judul Besar Halaman Tengah Atas
Text(
"Tambah Data Gizi Balita",
style: GoogleFonts.poppins(
fontSize: 18,
fontWeight: FontWeight.bold,
color: Colors.black),
),
const SizedBox(height: 15),
// Card Informasi Identitas Balita (Warna Biru)
Container(
width: double.infinity,
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.circular(12)),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
widget.balita["nama"] ?? "-",
style: GoogleFonts.poppins(
color: Colors.white,
fontWeight: FontWeight.bold,
fontSize: 15),
),
const SizedBox(height: 4),
const Divider(color: Colors.white54, thickness: 1),
const SizedBox(height: 4),
Text("BB / TB: $bb / $tb",
style: GoogleFonts.poppins(
color: Colors.white, fontSize: 13)),
],
),
),
const SizedBox(height: 15),
// Blok Container Putih Pembungkus Seluruh Form Gizi
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.05),
blurRadius: 10)
],
),
child: _isLoadingPreview
? const Padding(
padding: EdgeInsets.all(30.0),
child: Center(child: CircularProgressIndicator()),
)
: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 1. Seksi Z-Score BB/U
_buildSection(
"Z-Score BB/U",
_bbUController,
keteranganBBU,
_listBBU,
_selectedStatusBBU,
(v) =>
setState(() => _selectedStatusBBU = v)),
// 2. Seksi Z-Score TB/U
_buildSection(
"Z-Score TB/U",
_tbUController,
keteranganTBU,
_listTBU,
_selectedStatusTBU,
(v) =>
setState(() => _selectedStatusTBU = v)),
// 3. Seksi Z-Score BB/TB
_buildSection(
"Z-Score BB/TB",
_bbTbController,
keteranganBBTB,
_listBBTB,
_selectedStatusBBTB,
(v) =>
setState(() => _selectedStatusBBTB = v)),
const Divider(height: 30, thickness: 1),
// Input Field Catatan Tindak Lanjut
_buildLabel("Tindak Lanjut"),
_buildTextField(_tindakLanjutController,
"Rencana tindakan..."),
const SizedBox(height: 10),
// Input Field Catatan Saran
_buildLabel("Saran"),
_buildTextField(
_saranController, "Saran untuk orang tua..."),
const SizedBox(height: 25),
// Tombol Aksi Simpan Data Bergaya Outline (Putih-Biru Stadium)
SizedBox(
width: double.infinity,
child: OutlinedButton(
onPressed: _isSaving ? null : _simpanData,
style: OutlinedButton.styleFrom(
backgroundColor: Colors.white,
side: const BorderSide(
color: Colors.blue, width: 2),
shape: const StadiumBorder(),
padding: const EdgeInsets.symmetric(
vertical: 14)),
child: _isSaving
? const SizedBox(
height: 18,
width: 18,
child: CircularProgressIndicator(
strokeWidth: 2,
color: Colors.blue))
: Text("Simpan Data Gizi",
style: GoogleFonts.poppins(
color: Colors.blue,
fontWeight: FontWeight.bold,
fontSize: 14)),
),
),
],
),
),
],
),
),
),
),
),
);
}
// Widget generator baris isian Z-score (Form, Label SD, dan Dropdown Kategori)
Widget _buildSection(String title, TextEditingController controller,
String sd, List<String> items, String? val, Function(String?) onChanged) {
// Penentu warna latar background dinamis teks keterangan rentang SD
Color bgKuningMuda =
sd.contains('atas') ? Colors.orange[50]! : Colors.amber[50]!;
Color borderKuning =
sd.contains('atas') ? Colors.orange[200]! : Colors.amber[200]!;
Color textKuningTua =
sd.contains('atas') ? Colors.orange[900]! : Colors.amber[900]!;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildLabel(title),
Row(
children: [
// Sisi Kiri: Nilai Angka Z-Score (Read-Only)
Expanded(
flex: 2,
child: TextFormField(
controller: controller,
readOnly: true,
decoration: _inputDeco(isFilled: true),
style: GoogleFonts.poppins(
fontSize: 12, fontWeight: FontWeight.bold))),
const SizedBox(width: 10),
// Sisi Kanan: Teks Status Deviasi (Warna Kuning/Orange Kotak)
Expanded(
flex: 3,
child: Container(
padding: const EdgeInsets.symmetric(
horizontal: 12, vertical: 11),
decoration: BoxDecoration(
color: bgKuningMuda,
borderRadius: BorderRadius.circular(8),
border: Border.all(color: borderKuning)),
child: Text(sd,
style: GoogleFonts.poppins(
fontSize: 11,
fontWeight: FontWeight.bold,
color: textKuningTua)))),
],
),
const SizedBox(height: 10),
// Dropdown Pemilihan Status Klasifikasi Dibawahnya
DropdownButtonFormField<String>(
value: val,
hint: Text("Pilih Status $title",
style:
GoogleFonts.poppins(fontSize: 12, color: Colors.grey[600])),
isExpanded: true,
items: items
.map((e) => DropdownMenuItem(
value: e,
child: Text(e, style: GoogleFonts.poppins(fontSize: 12))))
.toList(),
onChanged: onChanged,
decoration: _inputDeco(),
validator: (v) => v == null ? "Pilih salah satu status" : null,
),
const SizedBox(height: 10),
],
);
}
Widget _buildLabel(String t) => Padding(
padding: const EdgeInsets.only(top: 10, bottom: 6),
child: Text(t,
style: GoogleFonts.poppins(
fontSize: 12,
fontWeight: FontWeight.bold,
color: Colors.black87)));
Widget _buildTextField(TextEditingController c, String h) => TextFormField(
controller: c,
maxLines: 2,
style: GoogleFonts.poppins(fontSize: 12),
decoration: _inputDeco(hint: h));
InputDecoration _inputDeco({String? hint, bool isFilled = false}) =>
InputDecoration(
hintText: hint,
hintStyle: GoogleFonts.poppins(fontSize: 11, color: Colors.grey[400]),
filled: true,
fillColor: isFilled ? Colors.blue[50] : Colors.white,
contentPadding:
const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: BorderSide(color: Colors.grey[300]!)),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Colors.blue)),
errorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Colors.red)),
focusedErrorBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(8),
borderSide: const BorderSide(color: Colors.red, width: 2)),
);
}