add cart
This commit is contained in:
Phuoc Nguyen
459
lib/features/cart/presentation/pages/cart_page.dart
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459
lib/features/cart/presentation/pages/cart_page.dart
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/// Cart Page
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///
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/// Shopping cart screen with items, warehouse selection, discount code,
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/// and order summary matching the HTML design.
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library;
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import 'package:intl/intl.dart';
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import 'package:worker/core/router/app_router.dart';
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import 'package:worker/core/theme/colors.dart';
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import 'package:worker/core/theme/typography.dart';
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import 'package:worker/features/cart/presentation/providers/cart_provider.dart';
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import 'package:worker/features/cart/presentation/providers/cart_state.dart';
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import 'package:worker/features/cart/presentation/widgets/cart_item_widget.dart';
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/// Cart Page
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///
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/// Features:
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/// - AppBar with back, title (with count), and clear cart button
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/// - Warehouse selection dropdown
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/// - Cart items list
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/// - Discount code input with apply button
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/// - Order summary with breakdown
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/// - Checkout button
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class CartPage extends ConsumerStatefulWidget {
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const CartPage({super.key});
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@override
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ConsumerState<CartPage> createState() => _CartPageState();
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}
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class _CartPageState extends ConsumerState<CartPage> {
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final TextEditingController _discountController = TextEditingController();
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@override
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void dispose() {
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_discountController.dispose();
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super.dispose();
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}
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void _clearCart() {
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showDialog<void>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Xóa giỏ hàng'),
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content: const Text('Bạn có chắc chắn muốn xóa toàn bộ giỏ hàng?'),
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actions: [
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TextButton(
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onPressed: () => context.pop(),
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child: const Text('Hủy'),
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),
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ElevatedButton(
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onPressed: () {
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ref.read(cartProvider.notifier).clearCart();
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context.pop();
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context.pop(); // Also go back from cart page
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: AppColors.danger,
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),
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child: const Text('Xóa'),
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),
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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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Widget build(BuildContext context) {
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final cartState = ref.watch(cartProvider);
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final itemCount = cartState.itemCount;
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final currencyFormatter = NumberFormat.currency(
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locale: 'vi_VN',
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symbol: 'đ',
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decimalDigits: 0,
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);
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return Scaffold(
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backgroundColor: AppColors.grey50,
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appBar: AppBar(
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leading: IconButton(
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icon: const Icon(Icons.arrow_back),
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onPressed: () => context.pop(),
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),
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title: Text('Giỏ hàng ($itemCount)'),
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actions: [
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if (cartState.isNotEmpty)
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IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: _clearCart,
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tooltip: 'Xóa giỏ hàng',
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),
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],
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),
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body: cartState.isEmpty
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? _buildEmptyCart()
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: SingleChildScrollView(
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child: Column(
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children: [
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const SizedBox(height: 8),
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// Warehouse Selection
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_buildWarehouseSelection(cartState.selectedWarehouse),
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// Cart Items
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...cartState.items.map((item) => CartItemWidget(item: item)),
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const SizedBox(height: 8),
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// Discount Code
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_buildDiscountCodeSection(cartState),
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// Order Summary
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_buildOrderSummary(cartState, currencyFormatter),
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const SizedBox(height: 16),
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// Checkout Button
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_buildCheckoutButton(cartState),
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const SizedBox(height: 24),
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],
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),
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),
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);
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}
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/// Build empty cart state
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Widget _buildEmptyCart() {
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return 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.shopping_cart_outlined,
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size: 80,
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color: AppColors.grey500.withValues(alpha: 0.5),
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),
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const SizedBox(height: 16),
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Text(
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'Giỏ hàng trống',
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style: AppTypography.headlineMedium.copyWith(
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color: AppColors.grey500,
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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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'Hãy thêm sản phẩm vào giỏ hàng',
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style: AppTypography.bodyMedium.copyWith(
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color: AppColors.grey500,
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),
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),
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const SizedBox(height: 24),
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ElevatedButton.icon(
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onPressed: () => context.go(RouteNames.products),
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icon: const Icon(Icons.shopping_bag_outlined),
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label: const Text('Xem sản phẩm'),
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),
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],
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),
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);
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}
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/// Build warehouse selection card
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Widget _buildWarehouseSelection(String selectedWarehouse) {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.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.withValues(alpha: 0.05),
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blurRadius: 4,
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offset: const Offset(0, 2),
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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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'Kho xuất hàng',
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style: AppTypography.labelLarge.copyWith(
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fontWeight: FontWeight.w600,
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color: AppColors.grey900,
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),
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),
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const SizedBox(height: 8),
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DropdownButtonFormField<String>(
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initialValue: selectedWarehouse,
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decoration: InputDecoration(
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 8,
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: const BorderSide(color: AppColors.grey100),
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),
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),
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items: const [
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DropdownMenuItem(
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value: 'Kho Hà Nội - Nguyễn Trãi',
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child: Text('Kho Hà Nội - Nguyễn Trãi'),
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),
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DropdownMenuItem(
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value: 'Kho TP.HCM - Quận 7',
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child: Text('Kho TP.HCM - Quận 7'),
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),
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DropdownMenuItem(
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value: 'Kho Đà Nẵng - Sơn Trà',
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child: Text('Kho Đà Nẵng - Sơn Trà'),
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),
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],
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onChanged: (value) {
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if (value != null) {
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ref.read(cartProvider.notifier).selectWarehouse(value);
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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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/// Build discount code section
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Widget _buildDiscountCodeSection(CartState cartState) {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.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.withValues(alpha: 0.05),
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blurRadius: 4,
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offset: const Offset(0, 2),
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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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'Mã giảm giá',
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style: AppTypography.labelLarge.copyWith(
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fontWeight: FontWeight.w600,
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color: AppColors.grey900,
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),
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),
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const SizedBox(height: 8),
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _discountController,
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decoration: InputDecoration(
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hintText: 'Nhập mã giảm giá',
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 12,
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: const BorderSide(color: AppColors.grey100),
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),
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),
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),
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),
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const SizedBox(width: 8),
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ElevatedButton(
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onPressed: () {
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if (_discountController.text.isNotEmpty) {
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ref.read(cartProvider.notifier).applyDiscountCode(
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_discountController.text,
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);
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}
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},
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(
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horizontal: 24,
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vertical: 12,
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),
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),
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child: const Text('Áp dụng'),
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),
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],
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),
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// Success message for member discount
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if (cartState.memberTier.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(top: 8),
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child: Row(
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children: [
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const Icon(
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Icons.check_circle,
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color: AppColors.success,
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size: 16,
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),
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const SizedBox(width: 4),
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Text(
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'Bạn được giảm ${cartState.memberDiscountPercent.toStringAsFixed(0)}% (hạng ${cartState.memberTier})',
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style: AppTypography.bodySmall.copyWith(
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color: AppColors.success,
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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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/// Build order summary section
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Widget _buildOrderSummary(CartState cartState, NumberFormat currencyFormatter) {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: AppColors.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.withValues(alpha: 0.05),
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blurRadius: 4,
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offset: const Offset(0, 2),
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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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'Thông tin đơn hàng',
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style: AppTypography.titleMedium.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 16),
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// Subtotal
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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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'Tạm tính (${cartState.totalQuantity.toStringAsFixed(0)} ${cartState.items.firstOrNull?.product.unit ?? 'm²'})',
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style: AppTypography.bodyMedium,
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),
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Text(
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currencyFormatter.format(cartState.subtotal),
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style: AppTypography.bodyMedium,
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),
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],
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),
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const SizedBox(height: 12),
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// Member Discount
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if (cartState.memberDiscount > 0)
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Padding(
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padding: const EdgeInsets.only(bottom: 12),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'Giảm giá ${cartState.memberTier} (-${cartState.memberDiscountPercent.toStringAsFixed(0)}%)',
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style: AppTypography.bodyMedium,
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),
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Text(
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'-${currencyFormatter.format(cartState.memberDiscount)}',
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style: AppTypography.bodyMedium.copyWith(
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color: AppColors.success,
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),
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),
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],
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),
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),
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// Shipping Fee
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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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'Phí vận chuyển',
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style: AppTypography.bodyMedium,
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),
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Text(
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cartState.shippingFee > 0
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? currencyFormatter.format(cartState.shippingFee)
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: 'Miễn phí',
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style: AppTypography.bodyMedium,
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),
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],
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),
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const Divider(height: 24),
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// Total
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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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'Tổng cộng',
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style: AppTypography.titleMedium.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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Text(
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currencyFormatter.format(cartState.total),
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style: AppTypography.headlineSmall.copyWith(
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color: AppColors.primaryBlue,
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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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/// Build checkout button
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Widget _buildCheckoutButton(CartState cartState) {
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: SizedBox(
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width: double.infinity,
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height: 48,
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child: ElevatedButton(
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onPressed: cartState.isNotEmpty
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? () {
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// TODO: Navigate to checkout page when implemented
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Checkout page chưa được triển khai'),
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),
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);
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}
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: null,
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child: const Text(
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'Tiến hành đặt hàng',
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style: TextStyle(
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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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),
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),
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);
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}
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}
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Reference in New Issue
Block a user