349 lines
13 KiB
Dart
349 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../providers/cart_provider.dart';
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import '../providers/cart_total_provider.dart';
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import '../../../../shared/widgets/price_display.dart';
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/// Bottom bar showing cart total and checkout button
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class CartBottomBar extends ConsumerWidget {
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const CartBottomBar({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final cartAsync = ref.watch(cartProvider);
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final totalData = ref.watch(cartTotalProvider);
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final theme = Theme.of(context);
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final itemCount = cartAsync.value?.length ?? 0;
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final hasItems = itemCount > 0;
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return AnimatedContainer(
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duration: const Duration(milliseconds: 300),
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height: hasItems ? 80 : 0,
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child: hasItems
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? Container(
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decoration: BoxDecoration(
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color: theme.colorScheme.primaryContainer,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 8,
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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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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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child: Row(
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children: [
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// Cart icon with badge
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Stack(
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clipBehavior: Clip.none,
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children: [
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Icon(
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Icons.shopping_cart,
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size: 32,
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color: theme.colorScheme.onPrimaryContainer,
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),
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Positioned(
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right: -8,
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top: -8,
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child: Container(
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padding: const EdgeInsets.all(4),
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decoration: BoxDecoration(
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color: theme.colorScheme.error,
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shape: BoxShape.circle,
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),
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constraints: const BoxConstraints(
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minWidth: 20,
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minHeight: 20,
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),
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child: Center(
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child: Text(
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'$itemCount',
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style: theme.textTheme.labelSmall?.copyWith(
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color: theme.colorScheme.onError,
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fontWeight: FontWeight.bold,
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),
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),
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),
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),
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),
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],
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),
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const SizedBox(width: 16),
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// Total info
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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'$itemCount item${itemCount == 1 ? '' : 's'}',
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onPrimaryContainer,
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),
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),
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const SizedBox(height: 2),
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PriceDisplay(
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price: totalData.total,
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style: theme.textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.onPrimaryContainer,
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),
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),
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],
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),
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),
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// View Cart button
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OutlinedButton(
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onPressed: () {
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_showCartBottomSheet(context, ref);
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},
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style: OutlinedButton.styleFrom(
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foregroundColor: theme.colorScheme.onPrimaryContainer,
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side: BorderSide(
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color: theme.colorScheme.onPrimaryContainer,
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),
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),
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child: const Text('View Cart'),
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),
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const SizedBox(width: 8),
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// Checkout button
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FilledButton.icon(
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onPressed: () {
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// TODO: Navigate to checkout
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Checkout coming soon!'),
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),
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);
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},
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icon: const Icon(Icons.payment),
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label: const Text('Checkout'),
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style: FilledButton.styleFrom(
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backgroundColor: theme.colorScheme.primary,
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foregroundColor: theme.colorScheme.onPrimary,
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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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),
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],
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),
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)
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: const SizedBox.shrink(),
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);
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}
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void _showCartBottomSheet(BuildContext context, WidgetRef ref) {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder: (context) => DraggableScrollableSheet(
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initialChildSize: 0.7,
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minChildSize: 0.5,
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maxChildSize: 0.95,
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expand: false,
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builder: (context, scrollController) {
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return CartBottomSheet(scrollController: scrollController);
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},
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),
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);
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}
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}
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/// Cart bottom sheet content
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class CartBottomSheet extends ConsumerWidget {
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final ScrollController scrollController;
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const CartBottomSheet({
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super.key,
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required this.scrollController,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final cartAsync = ref.watch(cartProvider);
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final totalData = ref.watch(cartTotalProvider);
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final theme = Theme.of(context);
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return Container(
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decoration: BoxDecoration(
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color: theme.colorScheme.surface,
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borderRadius: const BorderRadius.vertical(top: Radius.circular(20)),
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),
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child: Column(
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children: [
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// Handle bar
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Container(
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margin: const EdgeInsets.symmetric(vertical: 12),
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: theme.colorScheme.onSurfaceVariant.withOpacity(0.4),
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borderRadius: BorderRadius.circular(2),
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),
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),
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// Header
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16),
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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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'Shopping Cart',
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style: theme.textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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if (cartAsync.value?.isNotEmpty ?? false)
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TextButton.icon(
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onPressed: () {
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ref.read(cartProvider.notifier).clearCart();
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},
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icon: const Icon(Icons.delete_sweep),
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label: const Text('Clear'),
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),
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],
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),
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),
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const Divider(),
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// Cart items
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Expanded(
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child: cartAsync.when(
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loading: () => const Center(child: CircularProgressIndicator()),
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error: (error, stack) => Center(child: Text('Error: $error')),
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data: (items) {
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if (items.isEmpty) {
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return const Center(
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child: Text('Cart is empty'),
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);
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}
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return ListView.separated(
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controller: scrollController,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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itemCount: items.length,
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separatorBuilder: (context, index) => const Divider(),
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itemBuilder: (context, index) {
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final item = items[index];
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return ListTile(
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contentPadding: EdgeInsets.zero,
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title: Text(item.productName),
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subtitle: PriceDisplay(
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price: item.price,
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style: theme.textTheme.bodyMedium,
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),
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trailing: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Quantity controls
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IconButton(
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icon: const Icon(Icons.remove_circle_outline),
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onPressed: item.quantity > 1
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? () => ref
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.read(cartProvider.notifier)
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.updateQuantity(
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item.productId,
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item.quantity - 1,
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)
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: null,
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iconSize: 20,
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),
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Text(
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'${item.quantity}',
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style: theme.textTheme.titleMedium,
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),
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IconButton(
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icon: const Icon(Icons.add_circle_outline),
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onPressed: () => ref
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.read(cartProvider.notifier)
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.updateQuantity(
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item.productId,
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item.quantity + 1,
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),
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iconSize: 20,
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),
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// Remove button
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IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: () => ref
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.read(cartProvider.notifier)
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.removeItem(item.productId),
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color: theme.colorScheme.error,
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iconSize: 20,
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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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// Summary
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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: theme.colorScheme.surfaceContainerHighest,
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border: Border(
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top: BorderSide(color: theme.dividerColor),
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),
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),
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child: Column(
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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('Subtotal:', style: theme.textTheme.bodyLarge),
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PriceDisplay(
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price: totalData.subtotal,
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style: theme.textTheme.bodyLarge,
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),
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],
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),
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if (totalData.tax > 0) ...[
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const SizedBox(height: 4),
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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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'Tax (${(totalData.taxRate * 100).toStringAsFixed(0)}%):',
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style: theme.textTheme.bodyLarge,
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),
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PriceDisplay(
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price: totalData.tax,
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style: theme.textTheme.bodyLarge,
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),
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],
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),
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],
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const Divider(height: 16),
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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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'Total:',
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style: theme.textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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PriceDisplay(
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price: totalData.total,
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style: theme.textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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color: theme.colorScheme.primary,
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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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