TKK_E32211340/lib/histori_data_page.dart

382 lines
10 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_echarts/flutter_echarts.dart';
import 'package:firebase_database/firebase_database.dart';
import 'package:intl/intl.dart';
import 'main.dart';
class HistoriDataPage extends StatefulWidget {
final String title;
const HistoriDataPage({Key? key, required this.title}) : super(key: key);
@override
_HistoriDataPageState createState() => _HistoriDataPageState();
}
class _HistoriDataPageState extends State<HistoriDataPage> with RouteAware {
final DatabaseReference _databaseReference =
FirebaseDatabase.instance.reference().child('sensor_data');
List<Map<String, dynamic>> _dataHistori = [];
DateTime? _startDate;
DateTime? _endDate;
@override
void initState() {
super.initState();
_fetchData();
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
final route = ModalRoute.of(context);
if (route is PageRoute) {
routeObserver.subscribe(this, route);
}
}
@override
void dispose() {
routeObserver.unsubscribe(this);
super.dispose();
}
@override
void didPopNext() {
_fetchData();
}
Future<void> _fetchData() async {
DataSnapshot snapshot = await _databaseReference.get();
if (snapshot.value != null) {
Map<String, dynamic> data =
Map<String, dynamic>.from(snapshot.value as Map);
List<Map<String, dynamic>> dataList = data.entries.map((entry) {
Map<String, dynamic> value =
Map<String, dynamic>.from(entry.value as Map);
return {
'date': entry.key,
'soil': double.tryParse(value['soil'].toString()) ?? 0.0,
'humidity': double.tryParse(value['humidity'].toString()) ?? 0.0,
'temperature':
double.tryParse(value['temperature'].toString()) ?? 0.0,
'intensity': double.tryParse(value['intensity'].toString()) ?? 0.0,
'battery': double.tryParse(value['battery'].toString()) ?? 0.0,
'timestamp': value['timestamp'],
};
}).toList();
dataList.sort((a, b) {
DateTime dateA = DateTime.parse(a['timestamp']);
DateTime dateB = DateTime.parse(b['timestamp']);
return dateB.compareTo(dateA);
});
setState(() {
_dataHistori = dataList;
});
}
}
String _formatDate(String timestamp) {
final DateTime dateTime = DateTime.parse(timestamp);
final DateFormat dateFormatter = DateFormat('dd-MM-yyyy');
return dateFormatter.format(dateTime);
}
String _formatTime(String timestamp) {
final DateTime dateTime = DateTime.parse(timestamp);
final DateFormat timeFormatter = DateFormat('HH:mm');
return timeFormatter.format(dateTime);
}
Future<void> _selectDateRange(BuildContext context) async {
final DateTimeRange? picked = await showDateRangePicker(
context: context,
initialDateRange: _startDate != null && _endDate != null
? DateTimeRange(start: _startDate!, end: _endDate!)
: null,
firstDate: DateTime(2020),
lastDate: DateTime.now(),
);
if (picked != null) {
setState(() {
_startDate = picked.start;
_endDate = picked.end;
});
}
}
List<Map<String, dynamic>> _filterDataByDateRange() {
if (_startDate == null || _endDate == null) {
return _dataHistori;
}
return _dataHistori.where((data) {
DateTime date = DateTime.parse(data['timestamp']);
return date.isAfter(_startDate!.subtract(Duration(days: 1))) &&
date.isBefore(_endDate!.add(Duration(days: 1)));
}).toList();
}
@override
Widget build(BuildContext context) {
List<Map<String, dynamic>> filteredData = _filterDataByDateRange();
List<String> dates = filteredData.map((data) {
return _formatDate(data['timestamp']);
}).toList();
List<double> soilData = filteredData.map<double>((data) {
return data['soil'] as double;
}).toList();
List<double> humidityData = filteredData.map<double>((data) {
return data['humidity'] as double;
}).toList();
List<double> temperatureData = filteredData.map<double>((data) {
return data['temperature'] as double;
}).toList();
List<double> intensityData = filteredData.map<double>((data) {
return data['intensity'] as double;
}).toList();
List<double> batteryData = filteredData.map<double>((data) {
return data['battery'] as double;
}).toList();
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () {
Navigator.pushReplacementNamed(context, '/home');
},
),
backgroundColor: Colors.brown,
title: Text(
widget.title,
style: TextStyle(
fontFamily: 'Quicksand',
fontWeight: FontWeight.bold,
),
),
actions: [
IconButton(
icon: Icon(Icons.calendar_today),
onPressed: () => _selectDateRange(context),
),
],
),
body: SingleChildScrollView(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Container(
height: 300,
child: Echarts(
option: '''
{
title: {
text: 'Soil',
left: 'center',
},
xAxis: {
type: 'category',
data: ${dates.map((e) => '"$e"').toList()},
},
yAxis: {
type: 'value'
},
series: [{
data: $soilData,
type: 'line',
lineStyle: {
color: '#FF0000'
}
}]
}
''',
),
),
Container(
height: 300,
child: Echarts(
option: '''
{
title: {
text: 'Humidity',
left: 'center',
},
xAxis: {
type: 'category',
data: ${dates.map((e) => '"$e"').toList()},
},
yAxis: {
type: 'value'
},
series: [{
data: $humidityData,
type: 'line',
lineStyle: {
color: '#00FF00'
}
}]
}
''',
),
),
Container(
height: 300,
child: Echarts(
option: '''
{
title: {
text: 'Temperature',
left: 'center',
},
xAxis: {
type: 'category',
data: ${dates.map((e) => '"$e"').toList()},
},
yAxis: {
type: 'value'
},
series: [{
data: $temperatureData,
type: 'line',
lineStyle: {
color: '#0000FF'
}
}]
}
''',
),
),
Container(
height: 300,
child: Echarts(
option: '''
{
title: {
text: 'Cahaya',
left: 'center',
},
xAxis: {
type: 'category',
data: ${dates.map((e) => '"$e"').toList()},
},
yAxis: {
type: 'value'
},
series: [{
data: $intensityData,
type: 'line',
lineStyle: {
color: '#FFFF00'
}
}]
}
''',
),
),
Container(
height: 300,
child: Echarts(
option: '''
{
title: {
text: 'Battery',
left: 'center',
},
xAxis: {
type: 'category',
data: ${dates.map((e) => '"$e"').toList()},
},
yAxis: {
type: 'value'
},
series: [{
data: $batteryData,
type: 'line',
lineStyle: {
color: '#FF00FF'
}
}]
}
''',
),
),
ListView.builder(
shrinkWrap: true,
physics: NeverScrollableScrollPhysics(),
itemCount: filteredData.length,
itemBuilder: (context, index) {
final data = filteredData[index];
return Card(
margin: EdgeInsets.symmetric(vertical: 8.0),
child: Padding(
padding: EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
_formatDate(data['timestamp']),
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
Text(
_formatTime(data['timestamp']),
style: TextStyle(
fontSize: 18, fontWeight: FontWeight.bold),
),
],
),
SizedBox(height: 8.0),
Divider(),
SizedBox(height: 8.0),
_buildDataRow('Soil', '${data['soil']} %'),
_buildDataRow('Humidity', '${data['humidity']} %'),
_buildDataRow(
'Temperature', '${data['temperature']} °C'),
_buildDataRow('Cahaya', '${data['intensity']} lux'),
_buildDataRow('Battery', '${data['battery']} %'),
],
),
),
);
},
),
],
),
),
),
);
}
Widget _buildDataRow(String label, String value) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
label,
style: TextStyle(fontSize: 16),
),
Text(
value,
style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
],
),
);
}
}