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