E32221362_BeramalBaik/lib/pages/dashboard_public.dart

422 lines
14 KiB
Dart

import 'package:flutter/material.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_database/firebase_database.dart';
import 'package:intl/intl.dart';
import 'package:fl_chart/fl_chart.dart';
class DashboardPublic extends StatefulWidget {
const DashboardPublic({super.key});
@override
State<DashboardPublic> createState() => _DashboardPublicState();
}
class _DashboardPublicState extends State<DashboardPublic> {
double totalKeseluruhan = 0;
Map<String, double> grafikMingguan = {};
List<Map<String, dynamic>> recentList = [];
@override
void initState() {
super.initState();
_loadData();
}
Future<void> _loadData() async {
_loadTotal();
await _loadGrafikMingguan();
await _loadRecentTransaksi();
}
void _loadTotal() {
final dbRef = FirebaseDatabase.instance.ref().child("kotak_amal/total_uang");
dbRef.onValue.listen((event) {
final val = event.snapshot.value;
setState(() {
totalKeseluruhan = double.tryParse(val?.toString() ?? '0') ?? 0;
});
});
}
Future<void> _loadGrafikMingguan() async {
final now = DateTime.now();
final DateTime startDate = now.subtract(const Duration(days: 6));
final snapshot = await FirebaseFirestore.instance
.collection('history_kotak_amal')
.where('timestamp', isGreaterThanOrEqualTo: Timestamp.fromDate(
DateTime(startDate.year, startDate.month, startDate.day)))
.get();
Map<String, double> tempData = {};
for (var doc in snapshot.docs) {
final data = doc.data();
final timestamp = (data['timestamp'] as Timestamp).toDate();
double nominal = 0;
final rawNominal = data['nominal_uang'];
if (rawNominal is int || rawNominal is double) {
nominal = rawNominal.toDouble();
} else if (rawNominal is String) {
nominal = double.tryParse(rawNominal) ?? 0;
}
if (nominal < 0) nominal = 0;
final dateStr = DateFormat('yyyy-MM-dd').format(timestamp);
tempData[dateStr] = (tempData[dateStr] ?? 0) + nominal;
}
final result = <String, double>{};
for (int i = 0; i < 7; i++) {
final dateStr = DateFormat('yyyy-MM-dd')
.format(now.subtract(Duration(days: 6 - i)));
result[dateStr] = tempData[dateStr] ?? 0;
}
setState(() {
grafikMingguan = result;
});
}
Future<void> _loadRecentTransaksi() async {
final snapshot = await FirebaseFirestore.instance
.collection('history_kotak_amal')
.orderBy('timestamp', descending: true)
.limit(10)
.get();
List<Map<String, dynamic>> temp = [];
for (var doc in snapshot.docs) {
final data = doc.data();
final timestamp = (data['timestamp'] as Timestamp).toDate();
final nominal = (data['nominal_uang'] ?? 0).toDouble();
temp.add({
'timestamp': timestamp,
'nominal': nominal,
});
}
setState(() {
recentList = temp;
});
}
String formatRupiah(double amount) {
final format = NumberFormat.currency(locale: 'id', symbol: 'Rp ', decimalDigits: 0);
return format.format(amount);
}
Widget _buildTotalCard() {
return Container(
width: double.infinity,
margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 20),
padding: const EdgeInsets.all(24),
decoration: BoxDecoration(
gradient: const LinearGradient(
colors: [Color(0xFFA5D6A7), Color(0xFF66BB6A)], // full green gradient
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.green.shade300.withOpacity(0.5),
blurRadius: 15,
offset: const Offset(0, 6),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const Icon(Icons.volunteer_activism, size: 40, color: Color.fromARGB(255, 3, 71, 4)),
const SizedBox(height: 12),
const Text(
'Total Infak Terkumpul',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color.fromARGB(255, 0, 0, 0),
),
),
const SizedBox(height: 8),
Text(
'Rp ${totalKeseluruhan.toStringAsFixed(0)}',
style: const TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold,
color: Color.fromARGB(255, 40, 105, 34),
),
),
],
),
);
}
Widget _buildChartCard() {
final entries = grafikMingguan.entries.toList();
final spots = entries.asMap().entries
.map((entry) => FlSpot(entry.key.toDouble(),
entry.value.value >= 0 && entry.value.value.isFinite ? entry.value.value : 0))
.toList();
if (spots.isEmpty) return _buildEmptyChartMessage();
final maxY = (grafikMingguan.values.reduce((a, b) => a > b ? a : b) * 1.2).ceilToDouble();
final yInterval = maxY > 0 ? (maxY / 5).ceilToDouble() : 1; // Fix untuk menghindari 0
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
elevation: 4,
color: Colors.green.shade50,
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
children: [
Text(
'Grafik Infak Mingguan',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.green.shade900,
),
),
const SizedBox(height: 16),
SizedBox(
height: 250,
child: LineChart(
LineChartData(
minY: 0,
maxY: maxY,
gridData: FlGridData(
show: true,
horizontalInterval: yInterval.toDouble(), // Aman dari nol sekarang
getDrawingHorizontalLine: (value) => FlLine(
color: Colors.grey.shade300,
strokeWidth: 1,
),
),
borderData: FlBorderData(show: true, border: Border.all(color: Colors.green.shade400)),
titlesData: FlTitlesData(
bottomTitles: AxisTitles(
sideTitles: SideTitles(
showTitles: true,
interval: 1,
getTitlesWidget: (value, _) {
final index = value.toInt();
if (index >= 0 && index < grafikMingguan.length) {
final dateStr = grafikMingguan.keys.elementAt(index);
final date = DateTime.tryParse(dateStr);
if (date != null) {
final hari = DateFormat('E', 'id_ID').format(date);
return Padding(
padding: const EdgeInsets.only(top: 8),
child: Text(
hari,
style: TextStyle(
color: Colors.green.shade800,
fontWeight: FontWeight.w500,
fontSize: 12,
),
),
);
}
}
return const SizedBox();
},
),
),
leftTitles: AxisTitles(
sideTitles: SideTitles(
showTitles: true,
interval: yInterval.toDouble(),
reservedSize: 42,
getTitlesWidget: (value, _) {
if (value >= 1000000) {
return Text('${(value / 1000000).toStringAsFixed(1)}M', style: const TextStyle(fontSize: 11));
} else if (value >= 1000) {
return Text('${(value / 1000).toStringAsFixed(0)}K', style: const TextStyle(fontSize: 11));
} else {
return Text(value.toStringAsFixed(0), style: const TextStyle(fontSize: 11));
}
},
),
),
topTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
rightTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
),
lineBarsData: [
LineChartBarData(
spots: spots,
isCurved: true,
color: Colors.green.shade700,
barWidth: 3,
dotData: FlDotData(show: true),
belowBarData: BarAreaData(show: true, color: Colors.green.shade200.withOpacity(0.3)
),
),
],
),
),
),
],
),
),
);
}
Widget _buildEmptyChartMessage() {
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
elevation: 4,
color: Colors.green.shade50,
child: Padding(
padding: const EdgeInsets.all(24),
child: Column(
children: [
Icon(Icons.bar_chart, color: Colors.green.shade400, size: 48),
const SizedBox(height: 12),
Text(
'Belum ada data infak minggu ini',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.green.shade800,
),
),
],
),
),
);
}
Widget _buildRecentList() {
final displayList = recentList.take(3).toList();
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Detail Infak Terakhir',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.green.shade900,
),
),
TextButton(
onPressed: _showAllRecentDialog,
child: const Text('Lihat Semua'),
),
],
),
const SizedBox(height: 12),
...displayList.map((item) {
final waktu = item['timestamp'] as DateTime;
final nominal = item['nominal'] as double;
return Card(
elevation: 2,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(10),
side: BorderSide(color: Colors.green.shade300),
),
margin: const EdgeInsets.symmetric(vertical: 6),
child: ListTile(
leading: const Icon(Icons.monetization_on, color: Colors.green),
title: Text(formatRupiah(nominal)),
subtitle: Text(DateFormat('dd MMM yyyy, HH:mm').format(waktu)),
),
);
}),
],
);
}
void _showAllRecentDialog() {
showDialog(
context: context,
builder: (_) => AlertDialog(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: const Text('Semua Transaksi Terbaru'),
content: SizedBox(
width: double.maxFinite,
child: ListView.builder(
shrinkWrap: true,
itemCount: recentList.length,
itemBuilder: (_, index) {
final item = recentList[index];
final waktu = item['timestamp'] as DateTime;
final nominal = item['nominal'] as double;
return ListTile(
leading: const Icon(Icons.monetization_on, color: Colors.green),
title: Text(formatRupiah(nominal)),
subtitle: Text(DateFormat('dd MMM yyyy, HH:mm').format(waktu)),
);
},
),
),
actions: [
TextButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('Tutup'),
),
],
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
automaticallyImplyLeading: false,
title: const Text('DASHBOARD PUBLIK'),
backgroundColor: Colors.green.shade700,
centerTitle: true,
),
body: RefreshIndicator(
onRefresh: _loadData,
child: SingleChildScrollView(
padding: const EdgeInsets.all(16),
physics: const AlwaysScrollableScrollPhysics(),
child: Column(
children: [
_buildTotalCard(),
const SizedBox(height: 24),
_buildChartCard(),
const SizedBox(height: 24),
_buildRecentList(),
const SizedBox(height: 24),
Align(
alignment: Alignment.center,
child: ElevatedButton.icon(
onPressed: () => Navigator.pushNamed(context, '/login'),
icon: const Icon(Icons.login, size: 20),
label: const Text(
"Login untuk Donasi",
style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
),
style: ElevatedButton.styleFrom(
backgroundColor: Colors.green.shade700,
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 14, horizontal: 32),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
elevation: 6,
shadowColor: Colors.green.shade200,
),
),
),
],
),
),
),
);
}
}