Implement real-time product API synchronization
- Add POST /products endpoint to Flask backend for creating new products
- Add createProduct() method to MLService for API communication
- Update Transaction Screen to fetch products from API in dropdown
- Update Product List Screen with RefreshIndicator and dynamic product loading
- Add product count display to header subtitle
- Implement filter and search functionality with computed filteredProducts getter
- All screens now sync with backend database in real-time
Build status: ✅ Compiles successfully on Android device
This commit is contained in:
parent
9d7bd0c6cd
commit
244395c234
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@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
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import 'package:finalproject/models/product_model.dart';
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import 'package:finalproject/theme/colors.dart';
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import 'package:finalproject/theme/text_styles.dart';
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import 'package:finalproject/services/ml_service.dart';
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class ProductListScreen extends StatefulWidget {
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const ProductListScreen({Key? key}) : super(key: key);
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@ -13,73 +14,56 @@ class ProductListScreen extends StatefulWidget {
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class _ProductListScreenState extends State<ProductListScreen> {
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String _selectedFilter = 'semua';
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String _searchQuery = '';
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bool _isLoading = true;
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final List<Product> products = [
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Product(
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id: 1,
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name: 'Tepung Terigu 1kg',
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category: 'Tepung',
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price: 15000,
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stock: 45,
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status: 'tersedia',
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),
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Product(
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id: 2,
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name: 'Telur 1kg',
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category: 'Telur',
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price: 35000,
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stock: 12,
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status: 'rendah',
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),
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Product(
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id: 3,
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name: 'Gula Pasir 1kg',
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category: 'Gula',
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price: 20000,
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stock: 28,
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status: 'tersedia',
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),
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Product(
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id: 4,
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name: 'Susu Bubuk',
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category: 'Susu',
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price: 45000,
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stock: 8,
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status: 'kritis',
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),
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Product(
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id: 5,
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name: 'Cokelat Bubuk 250gr',
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category: 'Cokelat',
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price: 35000,
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stock: 22,
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status: 'tersedia',
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),
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Product(
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id: 6,
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name: 'Mentega 500gr',
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category: 'Mentega',
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price: 50000,
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stock: 15,
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status: 'tersedia',
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),
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Product(
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id: 7,
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name: 'Keju Parut 250gr',
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category: 'Keju',
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price: 40000,
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stock: 3,
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status: 'rendah',
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),
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Product(
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id: 8,
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name: 'Baking Powder',
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category: 'Bahan Tambahan',
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price: 12000,
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stock: 60,
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status: 'tersedia',
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),
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];
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late List<Product> products = [];
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@override
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void initState() {
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super.initState();
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_loadProducts();
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}
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Future<void> _loadProducts() async {
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try {
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final fetchedProducts = await MLService.getProducts();
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// Determine stock status based on quantity
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String _getStatus(int stock) {
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if (stock == 0) return 'kritis';
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if (stock <= 5) return 'rendah';
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return 'tersedia';
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}
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final productList = fetchedProducts.map((p) {
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int stock = p['current_stock'] ?? 0;
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return Product(
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id: p['id'] ?? 0,
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name: p['name'] ?? '',
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category: p['category'] ?? '',
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price: p['price'] ?? 0,
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stock: stock,
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status: _getStatus(stock),
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);
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}).toList();
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setState(() {
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products = productList;
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_isLoading = false;
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});
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} catch (e) {
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print('Error loading products: $e');
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setState(() => _isLoading = false);
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('Gagal memuat data produk'),
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backgroundColor: AppColors.statusError,
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),
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);
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}
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}
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}
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List<Product> get filteredProducts {
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List<Product> result = products;
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@ -187,8 +171,8 @@ class _ProductListScreenState extends State<ProductListScreen> {
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const SizedBox(width: 12),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: const [
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Text(
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children: [
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const Text(
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'Data Produk',
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style: TextStyle(
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color: Colors.white,
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@ -196,10 +180,10 @@ class _ProductListScreenState extends State<ProductListScreen> {
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fontWeight: FontWeight.w700,
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),
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),
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SizedBox(height: 2),
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const SizedBox(height: 2),
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Text(
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'8 Produk',
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style: TextStyle(
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'${products.length} Produk',
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style: const TextStyle(
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color: Colors.white70,
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fontSize: 12,
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fontWeight: FontWeight.w400,
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@ -250,108 +234,127 @@ class _ProductListScreenState extends State<ProductListScreen> {
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),
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),
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),
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body: SingleChildScrollView(
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child: Column(
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children: [
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// Filter Chips Section (moved to body)
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Container(
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color: AppColors.bgWhite,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: Row(
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children: [
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'semua',
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'tersedia',
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'rendah',
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'kritis'
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]
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.map((filter) => Padding(
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padding: const EdgeInsets.only(right: 8),
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child: FilterChip(
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label: Text(
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_capitalize(filter),
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style: AppTextStyles.labelSmall.copyWith(
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color: _selectedFilter == filter
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? Colors.white
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: AppColors.textSecondary,
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fontWeight: FontWeight.w600,
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),
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),
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backgroundColor: _selectedFilter == filter
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? AppColors.primaryBrown
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: AppColors.bgLight,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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side: BorderSide(
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color: _selectedFilter == filter
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? AppColors.primaryBrown
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: AppColors.grey200,
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width: 1,
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),
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),
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onSelected: (selected) {
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setState(() => _selectedFilter = filter);
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},
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),
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))
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.toList(),
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body: RefreshIndicator(
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onRefresh: _loadProducts,
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color: AppColors.primaryBrown,
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child: _isLoading
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? Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: const [
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CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(
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Color(0xFF8B6E58),
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),
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),
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SizedBox(height: 16),
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Text('Memuat data produk...'),
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],
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),
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),
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),
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// Products List
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Padding(
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padding: const EdgeInsets.all(16),
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child: filteredProducts.isNotEmpty
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? Column(
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children: filteredProducts
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.map((product) => _buildProductCard(product))
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.toList()
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.expand((card) =>
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[card, const SizedBox(height: 12)])
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.toList(),
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)
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: Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 60),
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child: Column(
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)
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: SingleChildScrollView(
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child: Column(
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children: [
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// Filter Chips Section (moved to body)
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Container(
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color: AppColors.bgWhite,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: Row(
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children: [
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Container(
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width: 80,
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height: 80,
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decoration: BoxDecoration(
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color: AppColors.grey200,
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borderRadius: BorderRadius.circular(20),
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),
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child: Icon(
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Icons.shopping_bag_outlined,
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size: 40,
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color: AppColors.textSecondary,
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),
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),
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const SizedBox(height: 16),
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Text(
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'Produk Tidak Ditemukan',
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style: AppTextStyles.headlineSmall.copyWith(
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color: AppColors.textPrimary,
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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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'Coba ubah filter atau cari dengan kata kunci lain',
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style: AppTextStyles.bodySmall.copyWith(
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color: AppColors.textSecondary,
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),
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textAlign: TextAlign.center,
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),
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],
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'semua',
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'tersedia',
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'rendah',
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'kritis'
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]
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.map((filter) => Padding(
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padding: const EdgeInsets.only(right: 8),
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child: FilterChip(
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label: Text(
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_capitalize(filter),
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style: AppTextStyles.labelSmall.copyWith(
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color: _selectedFilter == filter
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? Colors.white
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: AppColors.textSecondary,
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fontWeight: FontWeight.w600,
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),
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),
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backgroundColor: _selectedFilter == filter
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? AppColors.primaryBrown
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: AppColors.bgLight,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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side: BorderSide(
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color: _selectedFilter == filter
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? AppColors.primaryBrown
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: AppColors.grey200,
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width: 1,
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),
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),
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onSelected: (selected) {
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setState(() => _selectedFilter = filter);
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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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],
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),
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// Products List
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Padding(
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padding: const EdgeInsets.all(16),
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child: filteredProducts.isNotEmpty
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? Column(
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children: filteredProducts
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.map((product) => _buildProductCard(product))
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.toList()
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.expand((card) =>
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[card, const SizedBox(height: 12)])
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.toList(),
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)
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: Center(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 60),
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child: Column(
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children: [
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Container(
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width: 80,
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height: 80,
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decoration: BoxDecoration(
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color: AppColors.grey200,
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borderRadius: BorderRadius.circular(20),
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),
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child: Icon(
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Icons.shopping_bag_outlined,
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size: 40,
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color: AppColors.textSecondary,
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),
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),
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const SizedBox(height: 16),
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Text(
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'Produk Tidak Ditemukan',
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style: AppTextStyles.headlineSmall.copyWith(
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color: AppColors.textPrimary,
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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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'Coba ubah filter atau cari dengan kata kunci lain',
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style: AppTextStyles.bodySmall.copyWith(
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color: AppColors.textSecondary,
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),
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textAlign: TextAlign.center,
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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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bottomNavigationBar: BottomNavigationBar(
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currentIndex: 1,
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@ -46,45 +46,47 @@ class _TransactionScreenState extends State<TransactionScreen> {
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@override
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void initState() {
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super.initState();
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// Initialize products
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products = [
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'Tepung Terigu 1kg',
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'Telur 1kg',
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'Gula Pasir 1kg',
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'Susu Bubuk',
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'Cokelat Bubuk 250gr',
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'Mentega 500gr',
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'Keju Parut 250gr',
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'Baking Powder',
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];
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productCategories = {
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'Tepung Terigu 1kg': 'Tepung',
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'Telur 1kg': 'Telur',
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'Gula Pasir 1kg': 'Gula',
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'Susu Bubuk': 'Susu',
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'Cokelat Bubuk 250gr': 'Cokelat',
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'Mentega 500gr': 'Mentega',
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'Keju Parut 250gr': 'Keju',
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'Baking Powder': 'Bahan Tambahan',
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};
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productPrices = {
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'Tepung Terigu 1kg': 15000,
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'Telur 1kg': 35000,
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'Gula Pasir 1kg': 20000,
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'Susu Bubuk': 45000,
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'Cokelat Bubuk 250gr': 35000,
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'Mentega 500gr': 50000,
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'Keju Parut 250gr': 40000,
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'Baking Powder': 12000,
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};
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// Extract unique categories
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categories = productCategories.values.toSet().toList();
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_quantityController = TextEditingController();
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_selectedDate = DateTime.now();
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_loadProducts();
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}
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Future<void> _loadProducts() async {
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try {
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final fetchedProducts = await MLService.getProducts();
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setState(() {
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products = [];
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productCategories = {};
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productPrices = {};
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categories = [];
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// Convert API response to local maps
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for (var product in fetchedProducts) {
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String name = product['name'] ?? '';
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String category = product['category'] ?? '';
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int price = product['price'] ?? 0;
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if (name.isNotEmpty) {
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products.add(name);
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productCategories[name] = category;
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productPrices[name] = price;
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if (!categories.contains(category)) {
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categories.add(category);
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}
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}
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}
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});
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} catch (e) {
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print('Error loading products: $e');
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('Gagal memuat data produk'),
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backgroundColor: AppColors.statusError,
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),
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);
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}
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}
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@override
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@ -429,7 +431,7 @@ class _TransactionScreenState extends State<TransactionScreen> {
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const SizedBox(width: 12),
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Expanded(
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child: ElevatedButton(
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onPressed: () {
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onPressed: () async {
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final productName =
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newProductNameController.text.trim();
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final category = _createNewCategory
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|
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@ -467,32 +469,74 @@ class _TransactionScreenState extends State<TransactionScreen> {
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return;
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}
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// Add new product
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setState(() {
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products.add(productName);
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productCategories[productName] =
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category;
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productPrices[productName] = priceInt;
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// Frontend validation: check duplicate
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if (products.contains(productName)) {
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ScaffoldMessenger.of(context)
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.showSnackBar(
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SnackBar(
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content: Text(
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'Produk "$productName" sudah ada'),
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backgroundColor:
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AppColors.statusError,
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),
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);
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return;
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}
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// Add new category if created
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if (_createNewCategory &&
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!categories.contains(category)) {
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categories.add(category);
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}
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// Call API to create product
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setStateDialog(() {
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// Show loading in dialog via disabling button
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});
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Navigator.pop(context);
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|
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// Show success message
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ScaffoldMessenger.of(context)
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.showSnackBar(
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SnackBar(
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content: Text(
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'Produk "$productName" berhasil ditambahkan'),
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backgroundColor:
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AppColors.statusSuccess,
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),
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final result =
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await MLService.createProduct(
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name: productName,
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category: category,
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price: priceInt,
|
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currentStock: 0, // Default stock 0
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||||
);
|
||||
|
||||
if (!mounted) return;
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||||
|
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if (result['status'] == 'success') {
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// Add to local state for immediate UI update
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setState(() {
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products.add(productName);
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productCategories[productName] =
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category;
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productPrices[productName] = priceInt;
|
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|
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if (_createNewCategory &&
|
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!categories.contains(category)) {
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categories.add(category);
|
||||
}
|
||||
});
|
||||
|
||||
Navigator.pop(context);
|
||||
|
||||
// Show success message
|
||||
ScaffoldMessenger.of(context)
|
||||
.showSnackBar(
|
||||
SnackBar(
|
||||
content: Text(
|
||||
'Produk "$productName" berhasil ditambahkan'),
|
||||
backgroundColor:
|
||||
AppColors.statusSuccess,
|
||||
),
|
||||
);
|
||||
} else {
|
||||
// Handle error from API
|
||||
String errorMsg = result['message'] ??
|
||||
'Gagal menambahkan produk';
|
||||
ScaffoldMessenger.of(context)
|
||||
.showSnackBar(
|
||||
SnackBar(
|
||||
content: Text(errorMsg),
|
||||
backgroundColor:
|
||||
AppColors.statusError,
|
||||
),
|
||||
);
|
||||
}
|
||||
},
|
||||
style: ElevatedButton.styleFrom(
|
||||
backgroundColor: AppColors.primaryBrown,
|
||||
|
|
|
|||
|
|
@ -5,7 +5,7 @@ class MLService {
|
|||
// API URL - Change based on environment
|
||||
// Untuk emulator Android: 10.0.2.2
|
||||
// Untuk device fisik: 192.168.x.x atau 127.0.0.1 kalau local
|
||||
static const String baseUrl = 'http://192.168.1.13:5000';
|
||||
static const String baseUrl = 'http://192.168.1.2:5000';
|
||||
|
||||
static const int timeoutSeconds = 30;
|
||||
|
||||
|
|
@ -209,6 +209,46 @@ class MLService {
|
|||
}
|
||||
}
|
||||
|
||||
/// Create new product in database
|
||||
static Future<Map<String, dynamic>> createProduct({
|
||||
required String name,
|
||||
required String category,
|
||||
required int price,
|
||||
required int currentStock,
|
||||
}) async {
|
||||
try {
|
||||
final data = {
|
||||
'name': name,
|
||||
'category': category,
|
||||
'price': price,
|
||||
'current_stock': currentStock,
|
||||
};
|
||||
|
||||
final response = await http
|
||||
.post(
|
||||
Uri.parse('$baseUrl/products'),
|
||||
headers: {'Content-Type': 'application/json'},
|
||||
body: jsonEncode(data),
|
||||
)
|
||||
.timeout(Duration(seconds: timeoutSeconds));
|
||||
|
||||
if (response.statusCode == 201) {
|
||||
return jsonDecode(response.body);
|
||||
} else if (response.statusCode == 409) {
|
||||
final result = jsonDecode(response.body);
|
||||
return result;
|
||||
} else {
|
||||
return {
|
||||
'status': 'error',
|
||||
'message': 'Server error: ${response.statusCode}',
|
||||
};
|
||||
}
|
||||
} catch (e) {
|
||||
print('Create product error: $e');
|
||||
return {'status': 'error', 'message': 'Connection error: $e'};
|
||||
}
|
||||
}
|
||||
|
||||
/// Get specific product by ID
|
||||
static Future<Map<String, dynamic>?> getProduct(int productId) async {
|
||||
try {
|
||||
|
|
|
|||
|
|
@ -299,6 +299,75 @@ def get_product(product_id):
|
|||
return jsonify({'status': 'error', 'message': str(e)}), 500
|
||||
|
||||
|
||||
@app.route('/products', methods=['POST'])
|
||||
def create_product():
|
||||
"""
|
||||
Create new product in database
|
||||
Body: {
|
||||
"name": "Tepung Terigu 1kg",
|
||||
"category": "Tepung",
|
||||
"price": 15000,
|
||||
"current_stock": 50
|
||||
}
|
||||
"""
|
||||
try:
|
||||
data = request.json
|
||||
|
||||
# Validate required fields
|
||||
required_fields = ['name', 'category', 'price', 'current_stock']
|
||||
missing_fields = [f for f in required_fields if f not in data]
|
||||
|
||||
if missing_fields:
|
||||
return jsonify({
|
||||
'status': 'error',
|
||||
'message': f'Missing fields: {", ".join(missing_fields)}',
|
||||
'required_fields': required_fields
|
||||
}), 400
|
||||
|
||||
connection = get_db_connection()
|
||||
if not connection:
|
||||
return jsonify({'status': 'error', 'message': 'Database connection failed'}), 500
|
||||
|
||||
cursor = connection.cursor()
|
||||
|
||||
# Check for duplicate product name
|
||||
cursor.execute("SELECT id FROM products WHERE name = %s", (data['name'],))
|
||||
if cursor.fetchone():
|
||||
cursor.close()
|
||||
connection.close()
|
||||
return jsonify({
|
||||
'status': 'error',
|
||||
'message': f'Product "{data["name"]}" already exists'
|
||||
}), 409
|
||||
|
||||
# Insert new product
|
||||
cursor.execute("""
|
||||
INSERT INTO products
|
||||
(name, category, price, current_stock)
|
||||
VALUES (%s, %s, %s, %s)
|
||||
""", (
|
||||
data['name'],
|
||||
data['category'],
|
||||
data['price'],
|
||||
data['current_stock']
|
||||
))
|
||||
connection.commit()
|
||||
|
||||
product_id = cursor.lastrowid
|
||||
cursor.close()
|
||||
connection.close()
|
||||
|
||||
return jsonify({
|
||||
'status': 'success',
|
||||
'product_id': product_id,
|
||||
'message': 'Product created successfully'
|
||||
}), 201
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"Create product error: {str(e)}")
|
||||
return jsonify({'status': 'error', 'message': str(e)}), 500
|
||||
|
||||
|
||||
@app.route('/transactions', methods=['POST'])
|
||||
def save_transaction():
|
||||
"""
|
||||
|
|
|
|||
Loading…
Reference in New Issue