loyalty
This commit is contained in:
Phuoc Nguyen
380
lib/features/loyalty/presentation/pages/rewards_page.dart
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380
lib/features/loyalty/presentation/pages/rewards_page.dart
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/// Rewards Page
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///
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/// Displays gift catalog where users can redeem rewards with loyalty points.
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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/constants/ui_constants.dart';
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import 'package:worker/core/theme/colors.dart';
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import 'package:worker/features/loyalty/domain/entities/gift_catalog.dart';
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import 'package:worker/features/loyalty/presentation/providers/gifts_provider.dart';
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import 'package:worker/features/loyalty/presentation/providers/loyalty_points_provider.dart';
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import 'package:worker/features/loyalty/presentation/widgets/points_balance_card.dart';
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import 'package:worker/features/loyalty/presentation/widgets/reward_card.dart';
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/// Rewards Page
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///
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/// Features:
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/// - Points balance card with gradient
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/// - Category filter pills
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/// - Gift catalog grid (2 columns)
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/// - Redemption functionality
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class RewardsPage extends ConsumerWidget {
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const RewardsPage({super.key});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final filteredGifts = ref.watch(filteredGiftsProvider);
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final selectedCategory = ref.watch(selectedGiftCategoryProvider);
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return Scaffold(
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backgroundColor: const Color(0xFFF4F6F8),
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appBar: AppBar(
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leading: IconButton(
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icon: const Icon(Icons.arrow_back, color: Colors.black),
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onPressed: () => context.pop(),
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),
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title: const Text('Đổi quà tặng', style: TextStyle(color: Colors.black)),
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elevation: AppBarSpecs.elevation,
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backgroundColor: AppColors.white,
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foregroundColor: AppColors.grey900,
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centerTitle: false,
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actions: const [
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SizedBox(width: AppSpacing.sm),
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],
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),
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body: RefreshIndicator(
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onRefresh: () async {
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await ref.read(giftsProvider.notifier).refresh();
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await ref.read(loyaltyPointsProvider.notifier).refresh();
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},
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child: CustomScrollView(
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slivers: [
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// Points Balance Card
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const SliverToBoxAdapter(
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child: Padding(
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padding: EdgeInsets.all(16),
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child: PointsBalanceCard(),
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),
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),
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// Category Filter Pills
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SliverToBoxAdapter(
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child: _buildCategoryFilter(context, ref, selectedCategory),
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),
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// Rewards Grid
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SliverPadding(
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padding: const EdgeInsets.fromLTRB(12, 8, 12, 24),
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sliver: filteredGifts.isEmpty
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? _buildEmptyState()
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: SliverGrid(
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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childAspectRatio: 0.7,
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crossAxisSpacing: 0,
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mainAxisSpacing: 0,
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),
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delegate: SliverChildBuilderDelegate(
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(context, index) {
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final gift = filteredGifts[index];
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return RewardCard(
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gift: gift,
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onRedeem: () => _handleRedeemGift(
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context,
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ref,
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gift,
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),
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);
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},
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childCount: filteredGifts.length,
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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 category filter pills
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Widget _buildCategoryFilter(
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BuildContext context,
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WidgetRef ref,
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GiftCategory? selectedCategory,
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) {
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return Container(
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height: 48,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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child: ListView(
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scrollDirection: Axis.horizontal,
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children: [
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// "Tất cả" (All) filter
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_buildFilterChip(
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context: context,
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ref: ref,
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label: 'Tất cả',
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isSelected: selectedCategory == null,
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onTap: () {
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ref.read(selectedGiftCategoryProvider.notifier).clearSelection();
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},
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),
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const SizedBox(width: 8),
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// Voucher filter
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_buildFilterChip(
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context: context,
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ref: ref,
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label: 'Voucher',
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isSelected: selectedCategory == GiftCategory.voucher,
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onTap: () {
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ref
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.read(selectedGiftCategoryProvider.notifier)
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.setCategory(GiftCategory.voucher);
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},
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),
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const SizedBox(width: 8),
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// Product filter
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_buildFilterChip(
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context: context,
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ref: ref,
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label: 'Sản phẩm',
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isSelected: selectedCategory == GiftCategory.product,
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onTap: () {
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ref
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.read(selectedGiftCategoryProvider.notifier)
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.setCategory(GiftCategory.product);
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},
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),
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const SizedBox(width: 8),
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// Service filter
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_buildFilterChip(
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context: context,
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ref: ref,
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label: 'Dịch vụ',
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isSelected: selectedCategory == GiftCategory.service,
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onTap: () {
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ref
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.read(selectedGiftCategoryProvider.notifier)
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.setCategory(GiftCategory.service);
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},
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),
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const SizedBox(width: 8),
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// Special offers filter
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_buildFilterChip(
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context: context,
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ref: ref,
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label: 'Ưu đãi đặc biệt',
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isSelected: selectedCategory == GiftCategory.discount,
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onTap: () {
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ref
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.read(selectedGiftCategoryProvider.notifier)
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.setCategory(GiftCategory.discount);
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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 individual filter chip
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Widget _buildFilterChip({
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required BuildContext context,
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required WidgetRef ref,
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required String label,
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required bool isSelected,
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required VoidCallback onTap,
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}) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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decoration: BoxDecoration(
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color: isSelected ? AppColors.primaryBlue : AppColors.grey100,
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borderRadius: BorderRadius.circular(20),
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),
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child: Center(
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child: Text(
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label,
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style: TextStyle(
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fontSize: 14,
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fontWeight: isSelected ? FontWeight.w600 : FontWeight.w400,
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color: isSelected ? Colors.white : AppColors.grey900,
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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 empty state
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Widget _buildEmptyState() {
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return SliverFillRemaining(
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child: Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.card_giftcard_outlined,
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size: 64,
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color: AppColors.grey500,
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),
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const SizedBox(height: 16),
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const Text(
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'Không có quà tặng nào',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w500,
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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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const Text(
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'Vui lòng thử lại sau',
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style: TextStyle(
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fontSize: 14,
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color: AppColors.grey500,
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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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/// Handle gift redemption
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void _handleRedeemGift(
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BuildContext context,
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WidgetRef ref,
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GiftCatalog gift,
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) {
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final numberFormat = NumberFormat('#,###', 'vi_VN');
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final pointsState = ref.read(loyaltyPointsProvider);
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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('Xác nhận đổi quà'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Bạn có chắc muốn đổi quà này?',
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style: const TextStyle(fontSize: 14),
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),
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const SizedBox(height: 16),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: AppColors.grey50,
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borderRadius: BorderRadius.circular(8),
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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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gift.name,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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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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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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'Chi phí:',
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style: TextStyle(fontSize: 13),
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),
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Text(
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'${numberFormat.format(gift.pointsCost)} điểm',
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style: const TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: AppColors.primaryBlue,
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),
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),
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],
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),
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const SizedBox(height: 4),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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'Số dư sau khi đổi:',
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style: TextStyle(fontSize: 13),
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),
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Text(
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'${numberFormat.format(pointsState.availablePoints - gift.pointsCost)} điểm',
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style: const TextStyle(
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fontSize: 13,
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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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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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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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Navigator.pop(context);
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_processRedemption(context, ref, gift);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: AppColors.primaryBlue,
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foregroundColor: Colors.white,
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),
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child: const Text('Xác nhận'),
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),
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],
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),
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);
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}
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/// Process gift redemption
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void _processRedemption(
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BuildContext context,
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WidgetRef ref,
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GiftCatalog gift,
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) {
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// Deduct points
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ref.read(loyaltyPointsProvider.notifier).deductPoints(gift.pointsCost);
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// Show success message
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Row(
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children: [
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const Icon(Icons.check_circle, color: Colors.white),
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const SizedBox(width: 12),
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Expanded(
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child: Text('Đổi quà "${gift.name}" thành công!'),
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),
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],
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),
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backgroundColor: AppColors.success,
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behavior: SnackBarBehavior.floating,
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duration: const Duration(seconds: 3),
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),
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);
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// TODO: Navigate to gift code display page
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// context.push('/loyalty/my-gifts');
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}
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}
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