431 lines
13 KiB
Dart
431 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:google_fonts/google_fonts.dart';
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import 'package:supabase_flutter/supabase_flutter.dart';
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class HarvestAnalysisScreen extends StatefulWidget {
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final String userId;
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const HarvestAnalysisScreen({Key? key, required this.userId}) : super(key: key);
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@override
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_HarvestAnalysisScreenState createState() => _HarvestAnalysisScreenState();
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}
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class _HarvestAnalysisScreenState extends State<HarvestAnalysisScreen> {
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bool _isLoading = true;
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List<Map<String, dynamic>> _harvestData = [];
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String _selectedPeriod = 'Tahun Ini';
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final List<String> _periods = ['Tahun Ini', '6 Bulan', '3 Bulan', '1 Bulan'];
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@override
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void initState() {
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super.initState();
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_fetchHarvestData();
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}
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Future<void> _fetchHarvestData() async {
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if (widget.userId.isEmpty) {
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setState(() => _isLoading = false);
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return;
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}
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try {
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// Fetch harvest data from Supabase
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final response = await Supabase.instance.client
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.from('harvests')
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.select('*, crops(name, image_url)')
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.eq('user_id', widget.userId)
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.order('harvest_date', ascending: false);
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if (mounted) {
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setState(() {
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_harvestData = List<Map<String, dynamic>>.from(response);
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_isLoading = false;
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});
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}
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} catch (e) {
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debugPrint('Error fetching harvest data: $e');
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if (mounted) {
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setState(() => _isLoading = false);
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.all(20.0),
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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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'Analisis Panen',
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style: GoogleFonts.poppins(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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),
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),
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IconButton(
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icon: const Icon(Icons.refresh),
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tooltip: 'Refresh Data',
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onPressed: () {
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setState(() => _isLoading = true);
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_fetchHarvestData().then((_) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Data berhasil diperbarui')),
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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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const SizedBox(height: 20),
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_buildPeriodSelector(),
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const SizedBox(height: 20),
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_isLoading
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? const Center(child: CircularProgressIndicator())
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: _harvestData.isEmpty
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? _buildEmptyState()
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: Expanded(
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child: SingleChildScrollView(
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child: Column(
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children: [
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_buildSummaryCards(),
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const SizedBox(height: 20),
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_buildYieldChart(),
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const SizedBox(height: 20),
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_buildRecentHarvests(),
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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 _buildPeriodSelector() {
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return Container(
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height: 40,
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(20),
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),
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child: Row(
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children: _periods.map((period) {
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final isSelected = period == _selectedPeriod;
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return Expanded(
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child: GestureDetector(
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onTap: () {
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setState(() => _selectedPeriod = period);
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},
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child: Container(
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decoration: BoxDecoration(
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color: isSelected ? const Color(0xFF056839) : Colors.transparent,
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borderRadius: BorderRadius.circular(20),
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),
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child: Center(
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child: Text(
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period,
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style: GoogleFonts.poppins(
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color: isSelected ? Colors.white : Colors.grey[600],
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
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fontSize: 12,
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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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}).toList(),
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),
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);
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}
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Widget _buildEmptyState() {
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return Expanded(
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.analytics_outlined,
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size: 80,
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color: Colors.grey[400],
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),
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const SizedBox(height: 16),
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Text(
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'Belum ada data panen',
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style: GoogleFonts.poppins(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: Colors.grey[600],
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),
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),
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const SizedBox(height: 8),
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Text(
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'Data analisis panen akan muncul setelah Anda menyelesaikan siklus tanam pertama',
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textAlign: TextAlign.center,
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style: GoogleFonts.poppins(
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fontSize: 14,
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color: Colors.grey[500],
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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 _buildSummaryCards() {
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// Calculate summary data
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double totalYield = 0;
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double totalRevenue = 0;
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int totalHarvests = _harvestData.length;
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for (var harvest in _harvestData) {
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totalYield += (harvest['yield_amount'] ?? 0).toDouble();
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totalRevenue += (harvest['revenue'] ?? 0).toDouble();
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}
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return Row(
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children: [
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_buildSummaryCard(
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title: 'Total Panen',
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value: '$totalHarvests',
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icon: Icons.inventory_2_outlined,
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color: Colors.blue,
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),
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const SizedBox(width: 16),
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_buildSummaryCard(
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title: 'Total Hasil',
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value: '${totalYield.toStringAsFixed(1)} kg',
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icon: Icons.scale_outlined,
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color: Colors.green,
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),
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const SizedBox(width: 16),
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_buildSummaryCard(
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title: 'Pendapatan',
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value: 'Rp ${totalRevenue.toStringAsFixed(0)}',
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icon: Icons.attach_money_outlined,
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color: Colors.orange,
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),
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],
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);
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}
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Widget _buildSummaryCard({
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required String title,
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required String value,
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required IconData icon,
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required Color color,
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}) {
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return Expanded(
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child: Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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offset: const Offset(0, 5),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(icon, color: color, size: 24),
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const SizedBox(height: 8),
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Text(
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value,
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style: GoogleFonts.poppins(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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),
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overflow: TextOverflow.ellipsis,
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),
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Text(
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title,
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style: GoogleFonts.poppins(
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fontSize: 12,
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color: Colors.grey[600],
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),
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overflow: TextOverflow.ellipsis,
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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 _buildYieldChart() {
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return Container(
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height: 200,
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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offset: const Offset(0, 5),
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),
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],
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),
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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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'Hasil Panen (kg)',
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style: GoogleFonts.poppins(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 16),
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Expanded(
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child: Center(
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child: Text(
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'Grafik hasil panen akan ditampilkan di sini',
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style: GoogleFonts.poppins(
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fontSize: 14,
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color: Colors.grey[500],
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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 _buildRecentHarvests() {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Panen Terbaru',
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style: GoogleFonts.poppins(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 12),
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...(_harvestData.isEmpty
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? [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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offset: const Offset(0, 5),
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),
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],
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),
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child: Center(
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child: Text(
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'Belum ada data panen',
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style: GoogleFonts.poppins(
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fontSize: 14,
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color: Colors.grey[600],
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),
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),
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),
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)
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]
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: _harvestData.take(5).map((harvest) {
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final cropName = harvest['crops']['name'] ?? 'Tanaman';
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final yieldAmount = harvest['yield_amount'] ?? 0;
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final revenue = harvest['revenue'] ?? 0;
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final harvestDate = DateTime.parse(harvest['harvest_date']);
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final now = DateTime.now();
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final difference = now.difference(harvestDate).inDays;
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String timeAgo;
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if (difference == 0) {
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timeAgo = 'Hari ini';
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} else if (difference == 1) {
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timeAgo = 'Kemarin';
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} else {
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timeAgo = '$difference hari yang lalu';
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}
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return Container(
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margin: const EdgeInsets.only(bottom: 12),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(12),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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offset: const Offset(0, 5),
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),
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],
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),
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child: Row(
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children: [
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Container(
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width: 50,
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height: 50,
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decoration: BoxDecoration(
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color: Colors.green.withOpacity(0.1),
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borderRadius: BorderRadius.circular(10),
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),
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child: const Center(
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child: Icon(
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Icons.eco,
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color: Colors.green,
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),
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),
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),
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const SizedBox(width: 16),
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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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cropName,
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style: GoogleFonts.poppins(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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),
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),
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Text(
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'$yieldAmount kg - Rp $revenue',
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style: GoogleFonts.poppins(
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fontSize: 14,
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color: Colors.grey[600],
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),
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),
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],
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),
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),
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Text(
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timeAgo,
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style: GoogleFonts.poppins(
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fontSize: 12,
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color: Colors.grey[500],
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),
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),
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],
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),
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);
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}).toList()),
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],
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);
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}
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}
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