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