TKK_E32230502/lib/screen/history.dart

483 lines
15 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:firebase_database/firebase_database.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:intl/intl.dart';
import 'dashboard.dart';
import 'notifikasi.dart';
import '../widgets/fade_in_up.dart';
import '../widgets/whatsapp_notification.dart';
import 'akun.dart';
import '../utils/knn_classifier.dart';
class RiwayatPage extends StatefulWidget {
const RiwayatPage({super.key});
@override
State<RiwayatPage> createState() => _RiwayatPageState();
}
class _RiwayatPageState extends State<RiwayatPage> {
final db = FirebaseDatabase.instance.ref();
List<Map<String, dynamic>> riwayatList = [];
String selectedFilter = "Semua";
StreamSubscription? _historySubscription;
@override
void initState() {
super.initState();
WhatsAppNotificationService().startListening();
listenToHistory();
}
@override
void dispose() {
_historySubscription?.cancel();
super.dispose();
}
void listenToHistory() {
_historySubscription?.cancel();
_historySubscription = db.child("sensor/history").onValue.listen((event) {
final data = event.snapshot.value as Map<dynamic, dynamic>?;
if (data != null) {
List<Map<String, dynamic>> tempList = [];
data.forEach((key, value) {
double ppm = double.parse(value["ppm"].toString());
int timestamp = value["timestamp"];
DateTime date =
DateTime.fromMillisecondsSinceEpoch(timestamp * 1000);
String? rawStatus = value["keterangan"];
String status;
if (rawStatus == "Bahaya") {
status = "Berbahaya";
} else if (rawStatus == "Sedang") {
status = "Formalin Sedang";
} else if (rawStatus == "Aman") {
status = "Aman";
} else {
String statusKnn = klasifikasiKNN(ppm);
if (statusKnn == "Bahaya") {
status = "Berbahaya";
} else if (statusKnn == "Sedang") {
status = "Formalin Sedang";
} else {
status = "Aman";
}
}
tempList.add({
"key": key,
"nama": value["makanan"] ?? "-",
"ppm": ppm,
"status": status,
"tanggal": DateFormat('dd-MM-yyyy').format(date),
"jam": DateFormat('HH:mm').format(date),
});
});
// urutkan terbaru di atas
tempList.sort((a, b) =>
b["tanggal"].compareTo(a["tanggal"]));
if (mounted) {
setState(() {
riwayatList = tempList;
});
}
}
});
}
void hapusSatu(String key) {
db.child("sensor/history").child(key).remove();
}
void hapusSemua() {
db.child("sensor/history").remove();
setState(() {
riwayatList.clear();
});
}
Color getStatusColor(String status) {
if (status == "Berbahaya") return Colors.red;
if (status == "Formalin Sedang") return Colors.orangeAccent;
return const Color(0xFF1565C0);
}
@override
Widget build(BuildContext context) {
final filteredList = selectedFilter == "Semua"
? riwayatList
: riwayatList
.where((item) {
try {
if (item == null) return false;
final nama = item["nama"];
if (nama == null) return false;
return nama.toString().toLowerCase() == selectedFilter.toLowerCase();
} catch (e) {
return false;
}
})
.toList();
return Scaffold(
appBar: AppBar(
automaticallyImplyLeading: false,
backgroundColor: Colors.white,
elevation: 0,
centerTitle: true,
title: const Text(
"History Pengujian",
style: TextStyle(color: Color(0xFF1565C0), fontWeight: FontWeight.bold),
),
iconTheme: const IconThemeData(color: Color(0xFF1565C0)), // in case of back button
actions: [],
),
body: Container(
width: double.infinity,
height: double.infinity,
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: [
Colors.white,
Color(0xFFE3F2FD), // Light blue
Color(0xFF42A5F5), // Medium blue
Color(0xFF1565C0), // Dark blue
],
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
),
),
child: Column(
children: [
// 🔥 STATISTIK (Vibrant, Premium & Modern Dashboard Stats Grid)
FadeInUp(
delay: 200,
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 15, 20, 5),
child: Row(
children: [
Expanded(
child: _buildStatCard(
"Total Uji",
"${riwayatList.length}",
const Color(0xFF1565C0),
Icons.analytics_outlined,
),
),
const SizedBox(width: 10),
Expanded(
child: _buildStatCard(
"Aman",
"${riwayatList.where((e) => e['status'] == 'Aman').length}",
const Color(0xFF00C853),
Icons.check_circle_outline_rounded,
),
),
const SizedBox(width: 10),
Expanded(
child: _buildStatCard(
"Bahaya",
"${riwayatList.where((e) => e['status'] == 'Berbahaya').length}",
const Color(0xFFFF1744),
Icons.warning_amber_rounded,
),
),
],
),
),
),
// 🔥 FILTER DROPDOWN
FadeInUp(
delay: 300,
child: _buildFilterDropdown(),
),
Expanded(
child: FadeInUp(
delay: 400,
child: filteredList.isEmpty
? Center(
child: Text(
"Belum ada riwayat $selectedFilter",
style: const TextStyle(color: Colors.white, fontSize: 16),
),
)
: ListView.builder(
padding: const EdgeInsets.all(20),
itemCount: filteredList.length,
itemBuilder: (context, index) {
final riwayat = filteredList[index];
return Dismissible(
key: Key(riwayat['key']),
direction: DismissDirection.endToStart,
onDismissed: (direction) => hapusSatu(riwayat['key']),
background: Container(
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 20),
margin: const EdgeInsets.only(bottom: 15),
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(20),
),
child: const Icon(Icons.delete, color: Colors.white),
),
child: _buildHistoryCard(riwayat),
);
},
),
),
),
],
),
),
// NAVBAR
bottomNavigationBar: BottomNavigationBar(
currentIndex: 1,
selectedItemColor: const Color(0xFF1565C0),
unselectedItemColor: Colors.grey,
type: BottomNavigationBarType.fixed,
onTap: (index) {
if (index == 0) {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const DashboardPage()),
);
} else if (index == 2) {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const NotifikasiPage()),
);
} else if (index == 3) {
Navigator.pushReplacement(
context,
MaterialPageRoute(builder: (context) => const AkunPage()),
);
}
},
items: const [
BottomNavigationBarItem(icon: Icon(Icons.home), label: "Home"),
BottomNavigationBarItem(icon: Icon(Icons.history), label: "History"),
BottomNavigationBarItem(icon: Icon(Icons.notifications), label: "Notif"),
BottomNavigationBarItem(icon: Icon(Icons.person), label: "Akun"),
],
),
);
}
Widget _buildFilterDropdown() {
return Container(
margin: const EdgeInsets.symmetric(vertical: 12, horizontal: 20),
padding: const EdgeInsets.symmetric(horizontal: 16),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(15),
boxShadow: [
BoxShadow(
color: Colors.black.withOpacity(0.06),
blurRadius: 8,
offset: const Offset(0, 3),
),
],
),
child: DropdownButtonHideUnderline(
child: DropdownButton<String>(
value: selectedFilter,
isExpanded: true,
icon: const Icon(Icons.arrow_drop_down_circle_outlined, color: Color(0xFF1565C0)),
style: const TextStyle(
color: Colors.black87,
fontSize: 15,
fontWeight: FontWeight.w600,
),
dropdownColor: Colors.white,
borderRadius: BorderRadius.circular(15),
onChanged: (String? newValue) {
if (newValue != null) {
setState(() {
selectedFilter = newValue;
});
}
},
items: const [
DropdownMenuItem<String>(
value: "Semua",
child: Row(
children: [
Icon(Icons.restaurant_menu, color: Color(0xFF1565C0), size: 20),
SizedBox(width: 10),
Text("Semua Makanan"),
],
),
),
DropdownMenuItem<String>(
value: "Mie Ayam",
child: Row(
children: [
Icon(Icons.ramen_dining, color: Color(0xFF1565C0), size: 20),
SizedBox(width: 10),
Text("Mie Ayam"),
],
),
),
DropdownMenuItem<String>(
value: "Bakso",
child: Row(
children: [
Icon(Icons.soup_kitchen, color: Color(0xFF1565C0), size: 20),
SizedBox(width: 10),
Text("Bakso"),
],
),
),
DropdownMenuItem<String>(
value: "Air Mineral",
child: Row(
children: [
Icon(Icons.local_drink_rounded, color: Color(0xFF1565C0), size: 20),
SizedBox(width: 10),
Text("Air Mineral"),
],
),
),
],
),
),
);
}
Widget _buildStatCard(String label, String value, Color themeColor, IconData icon) {
return Container(
padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 10),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(20),
border: Border.all(
color: themeColor.withOpacity(0.12),
width: 1.5,
),
boxShadow: [
BoxShadow(
color: themeColor.withOpacity(0.06),
blurRadius: 10,
offset: const Offset(0, 4),
),
],
),
child: Column(
children: [
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
color: themeColor.withOpacity(0.1),
shape: BoxShape.circle,
),
child: Icon(
icon,
color: themeColor,
size: 20,
),
),
const SizedBox(height: 10),
Text(
value,
style: TextStyle(
fontSize: 22,
fontWeight: FontWeight.bold,
color: themeColor,
),
),
const SizedBox(height: 2),
Text(
label,
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: Colors.grey.shade600,
letterSpacing: 0.2,
),
),
],
),
);
}
Widget _buildHistoryCard(Map<String, dynamic> data) {
String status = data["status"];
Color statusColor = getStatusColor(status);
return Container(
margin: const EdgeInsets.only(bottom: 15),
padding: const EdgeInsets.all(15),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(20),
boxShadow: const [BoxShadow(color: Colors.black12, blurRadius: 5)],
),
child: Row(
children: [
Icon(
status == "Berbahaya"
? Icons.warning_rounded
: (status == "Formalin Sedang" ? Icons.info_outline : Icons.check_circle_rounded),
color: statusColor,
size: 30,
),
const SizedBox(width: 15),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
data["nama"],
style: const TextStyle(
fontWeight: FontWeight.bold, fontSize: 16),
),
const SizedBox(height: 4),
Text(
"${data["tanggal"]}${data["jam"]}",
style: const TextStyle(color: Colors.grey, fontSize: 12),
),
],
),
),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text(
"${data["ppm"].toStringAsFixed(2)} PPM",
style: const TextStyle(fontWeight: FontWeight.bold),
),
const SizedBox(height: 5),
Container(
padding:
const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: statusColor,
borderRadius: BorderRadius.circular(10),
),
child: Text(
status,
style: const TextStyle(
color: Colors.white,
fontSize: 10,
fontWeight: FontWeight.bold),
),
),
],
),
],
),
);
}
}