add price policy

This commit is contained in:
Phuoc Nguyen
2025-11-03 11:20:09 +07:00
parent c0527a086c
commit 21c1c3372c
53 changed files with 7160 additions and 2361 deletions

View File

@@ -0,0 +1,231 @@
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import '../../../../core/constants/ui_constants.dart';
import '../../../../core/theme/colors.dart';
import '../../domain/entities/price_document.dart';
import '../providers/price_documents_provider.dart';
import '../widgets/document_card.dart';
/// Price policy page with tabs for policies and price lists
class PricePolicyPage extends ConsumerStatefulWidget {
const PricePolicyPage({super.key});
@override
ConsumerState<PricePolicyPage> createState() => _PricePolicyPageState();
}
class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
with SingleTickerProviderStateMixin {
late TabController _tabController;
@override
void initState() {
super.initState();
_tabController = TabController(length: 2, vsync: this);
}
@override
void dispose() {
_tabController.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: AppColors.grey50,
appBar: AppBar(
leading: IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.black),
onPressed: () => context.pop(),
),
title: const Text(
'Chính sách giá',
style: TextStyle(color: Colors.black),
),
elevation: AppBarSpecs.elevation,
backgroundColor: AppColors.white,
foregroundColor: AppColors.grey900,
centerTitle: false,
actions: [
IconButton(
icon: const Icon(Icons.info_outline, color: Colors.black),
onPressed: _showInfoDialog,
),
const SizedBox(width: AppSpacing.sm),
],
bottom: TabBar(
controller: _tabController,
labelColor: AppColors.white,
unselectedLabelColor: AppColors.grey900,
indicatorSize: TabBarIndicatorSize.tab,
indicator: BoxDecoration(
color: AppColors.primaryBlue,
borderRadius: BorderRadius.circular(8),
),
labelStyle: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
),
unselectedLabelStyle: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.normal,
),
tabs: const [
Tab(text: 'Chính sách giá'),
Tab(text: 'Bảng giá'),
],
),
),
body: TabBarView(
controller: _tabController,
children: [
// Policy tab
_buildDocumentList(DocumentCategory.policy),
// Price list tab
_buildDocumentList(DocumentCategory.priceList),
],
),
);
}
Widget _buildDocumentList(DocumentCategory category) {
final documentsAsync = ref.watch(filteredPriceDocumentsProvider(category));
return documentsAsync.when(
data: (documents) {
if (documents.isEmpty) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.description_outlined,
size: 64,
color: AppColors.grey500,
),
const SizedBox(height: AppSpacing.md),
Text(
'Chưa có tài liệu',
style: TextStyle(fontSize: 16, color: AppColors.grey500),
),
],
),
);
}
return RefreshIndicator(
onRefresh: () async {
// Refresh documents from repository
ref.invalidate(filteredPriceDocumentsProvider(category));
await Future<void>.delayed(const Duration(milliseconds: 500));
},
child: ListView.separated(
padding: const EdgeInsets.all(AppSpacing.md),
itemCount: documents.length,
separatorBuilder: (context, index) =>
const SizedBox(height: AppSpacing.md),
itemBuilder: (context, index) {
final document = documents[index];
return DocumentCard(
document: document,
onDownload: () => _handleDownload(document),
);
},
),
);
},
loading: () => const Center(child: CircularProgressIndicator()),
error: (error, stack) => Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.error_outline, size: 64, color: AppColors.danger),
const SizedBox(height: AppSpacing.md),
Text(
'Không thể tải tài liệu',
style: TextStyle(fontSize: 16, color: AppColors.grey500),
),
const SizedBox(height: AppSpacing.sm),
ElevatedButton(
onPressed: () {
ref.invalidate(filteredPriceDocumentsProvider(category));
},
child: const Text('Thử lại'),
),
],
),
),
);
}
void _handleDownload(PriceDocument document) {
// In real app, this would trigger actual download
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Đang tải: ${document.title}'),
duration: const Duration(seconds: 2),
backgroundColor: AppColors.primaryBlue,
behavior: SnackBarBehavior.floating,
),
);
// Simulate download
// TODO: Implement actual file download functionality
// - Use url_launcher or dio to download file
// - Show progress indicator
// - Save to device storage
}
void _showInfoDialog() {
showDialog<void>(
context: context,
builder: (context) => AlertDialog(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: const Text(
'Hướng dẫn sử dụng',
style: TextStyle(fontWeight: FontWeight.bold),
),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Đây là nội dung hướng dẫn sử dụng cho tính năng Chính sách giá:',
),
const SizedBox(height: AppSpacing.md),
_buildInfoItem(
'Chọn tab "Chính sách giá" để xem các chính sách giá hiện hành',
),
_buildInfoItem(
'Chọn tab "Bảng giá" để tải về bảng giá chi tiết sản phẩm',
),
_buildInfoItem('Nhấn nút "Tải về" để download file PDF/Excel'),
_buildInfoItem('Các bảng giá được cập nhật định kỳ hàng tháng'),
_buildInfoItem('Liên hệ sales để được tư vấn giá tốt nhất'),
],
),
actions: [
TextButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('Đóng'),
),
],
),
);
}
Widget _buildInfoItem(String text) {
return Padding(
padding: const EdgeInsets.only(bottom: AppSpacing.xs),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('', style: TextStyle(fontSize: 16)),
Expanded(child: Text(text)),
],
),
);
}
}