```dart import 'package:flutter/material.dart'; import 'package:image_picker/image_picker.dart'; import 'package:intl/intl.dart'; import 'package:provider/provider.dart'; void main() { runApp( MultiProvider( providers: [ ChangeNotifierProvider(create: (_) => ShopProvider()), ChangeNotifierProvider(create: (_) => VendorProvider()), ChangeNotifierProvider(create: (_) => FabricProvider()), ChangeNotifierProvider(create: (_) => TailorProvider()), ChangeNotifierProvider(create: (_) => StaffProvider()), ], child: const MyApp(), ), ); } class MyApp extends StatelessWidget { const MyApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( title: 'Tailor Shop Management', theme: ThemeData( primarySwatch: Colors.blue, visualDensity: VisualDensity.adaptivePlatformDensity, ), home: const MainDashboard(), routes: { '/vendors': (context) => VendorListScreen(), '/fabrics': (context) => FabricListScreen(), '/tailors': (context) => TailorListScreen(), '/staff': (context) => StaffListScreen(), '/sales': (context) => SalesScreen(), '/orders': (context) => OrdersScreen(), '/reports': (context) => ReportsScreen(), }, ); } } // Data Models class Shop { String name; String logoPath; Shop({required this.name, required this.logoPath}); } class Vendor { String id; String name; String code; String contact; String address; Vendor({ required this.id, required this.name, required this.code, required this.contact, required this.address, }); } class Fabric { String id; String name; String type; String color; String colorNumber; double stock; double minStock; double costPerMeter; double costPerCm; double sellingPrice; String vendorId; Fabric({ required this.id, required this.name, required this.type, required this.color, required this.colorNumber, required this.stock, required this.minStock, required this.costPerMeter, required this.costPerCm, required this.sellingPrice, required this.vendorId, }); } class Tailor { String id; String name; String contact; String address; double totalEarnings; Tailor({ required this.id, required this.name, required this.contact, required this.address, this.totalEarnings = 0, }); } class Staff { String id; String name; String category; double salary; int absentDays; Staff({ required this.id, required this.name, required this.category, required this.salary, this.absentDays = 0, }); } class Order { String id; String customerName; String contact; String description; String status; DateTime orderDate; DateTime? completionDate; List items; double totalAmount; double advancePayment; String tailorId; Order({ required this.id, required this.customerName, required this.contact, required this.description, required this.status, required this.orderDate, this.completionDate, required this.items, required this.totalAmount, required this.advancePayment, required this.tailorId, }); } class OrderItem { String fabricId; double quantity; String measurements; double stitchingCost; double sellingPrice; OrderItem({ required this.fabricId, required this.quantity, required this.measurements, required this.stitchingCost, required this.sellingPrice, }); } // Providers class ShopProvider extends ChangeNotifier { Shop _shop = Shop(name: 'My Tailor Shop', logoPath: ''); Shop get shop => _shop; void updateShop(String name, String logoPath) { _shop = Shop(name: name, logoPath: logoPath); notifyListeners(); } } class VendorProvider extends ChangeNotifier { final List _vendors = []; List get vendors => _vendors; void addVendor(Vendor vendor) { _vendors.add(vendor); notifyListeners(); } void updateVendor(String id, Vendor updatedVendor) { final index = _vendors.indexWhere((v) => v.id == id); if (index != -1) { _vendors[index] = updatedVendor; notifyListeners(); } } void removeVendor(String id) { _vendors.removeWhere((v) => v.id == id); notifyListeners(); } } class FabricProvider extends ChangeNotifier { final List _fabrics = []; List get fabrics => _fabrics; void addFabric(Fabric fabric) { _fabrics.add(fabric); notifyListeners(); } void updateFabric(String id, Fabric updatedFabric) { final index = _fabrics.indexWhere((f) => f.id == id); if (index != -1) { _fabrics[index] = updatedFabric; notifyListeners(); } } void removeFabric(String id) { _fabrics.removeWhere((f) => f.id == id); notifyListeners(); } void updateStock(String id, double quantity) { final index = _fabrics.indexWhere((f) => f.id == id); if (index != -1) { _fabrics[index].stock += quantity; notifyListeners(); } } } class TailorProvider extends ChangeNotifier { final List _tailors = []; final List _orders = []; List get tailors => _tailors; List get orders => _orders; void addTailor(Tailor tailor) { _tailors.add(tailor); notifyListeners(); } void updateTailor(String id, Tailor updatedTailor) { final index = _tailors.indexWhere((t) => t.id == id); if (index != -1) { _tailors[index] = updatedTailor; notifyListeners(); } } void removeTailor(String id) { _tailors.removeWhere((t) => t.id == id); notifyListeners(); } void addOrder(Order order) { _orders.add(order); notifyListeners(); } void updateOrder(String id, Order updatedOrder) { final index = _orders.indexWhere((o) => o.id == id); if (index != -1) { _orders[index] = updatedOrder; notifyListeners(); } } void removeOrder(String id) { _orders.removeWhere((o) => o.id == id); notifyListeners(); } void payTailor(String tailorId, double amount) { final index = _tailors.indexWhere((t) => t.id == tailorId); if (index != -1) { _tailors[index].totalEarnings += amount; notifyListeners(); } } } class StaffProvider extends ChangeNotifier { final List _staff = []; List get staff => _staff; void addStaff(Staff staff) { _staff.add(staff); notifyListeners(); } void updateStaff(String id, Staff updatedStaff) { final index = _staff.indexWhere((s) => s.id == id); if (index != -1) { _staff[index] = updatedStaff; notifyListeners(); } } void removeStaff(String id) { _staff.removeWhere((s) => s.id == id); notifyListeners(); } void markAbsent(String id, int days) { final index = _staff.indexWhere((s) => s.id == id); if (index != -1) { _staff[index].absentDays = days;