diff --git a/docs/price.sh b/docs/price.sh
new file mode 100644
index 0000000..b9e3685
--- /dev/null
+++ b/docs/price.sh
@@ -0,0 +1,22 @@
+#get price list
+curl --location 'https://land.dbiz.com//api/method/building_material.building_material.api.pricing.get_pricing_info' \
+--header 'Cookie: sid=a0cbe3ea6f9a7e9cf083bbe3139eada68d2357eac0167bcc66cda17d; full_name=Ha%20Duy%20Lam; sid=a0cbe3ea6f9a7e9cf083bbe3139eada68d2357eac0167bcc66cda17d; system_user=yes; user_id=lamhd%40gmail.com; user_image=/files/avatar_0986788766_1763627962.jpg' \
+--header 'X-Frappe-Csrf-Token: 6ff3be4d1f887dbebf86ba4502b05d94b30c0b0569de49b74a7171a9' \
+--header 'Content-Type: application/json' \
+--data '{
+  "pricing_type" : "PRICE_LIST",
+  "limit_page_length" : 0,
+  "limit_start" : 0
+}'
+//note: PRICING_RULE = Chính sách giá,PRICE_LIST= bảng giá
+
+#response
+{
+    "message": [
+        {
+            "title": "EUROTILE",
+            "file_url": "https://land.dbiz.com/private/files/City.xlsx",
+            "updated_at": "2025-11-26 11:36:43"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/ios/Podfile.lock b/ios/Podfile.lock
index b32f963..d465686 100644
--- a/ios/Podfile.lock
+++ b/ios/Podfile.lock
@@ -94,6 +94,8 @@ PODS:
     - nanopb/encode (= 2.30910.0)
   - nanopb/decode (2.30910.0)
   - nanopb/encode (2.30910.0)
+  - open_file_ios (0.0.1):
+    - Flutter
   - path_provider_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
@@ -121,6 +123,7 @@ DEPENDENCIES:
   - image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
   - integration_test (from `.symlinks/plugins/integration_test/ios`)
   - mobile_scanner (from `.symlinks/plugins/mobile_scanner/ios`)
+  - open_file_ios (from `.symlinks/plugins/open_file_ios/ios`)
   - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
   - share_plus (from `.symlinks/plugins/share_plus/ios`)
   - shared_preferences_foundation (from `.symlinks/plugins/shared_preferences_foundation/darwin`)
@@ -161,6 +164,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/integration_test/ios"
   mobile_scanner:
     :path: ".symlinks/plugins/mobile_scanner/ios"
+  open_file_ios:
+    :path: ".symlinks/plugins/open_file_ios/ios"
   path_provider_foundation:
     :path: ".symlinks/plugins/path_provider_foundation/darwin"
   share_plus:
@@ -193,6 +198,7 @@ SPEC CHECKSUMS:
   MLKitVision: e858c5f125ecc288e4a31127928301eaba9ae0c1
   mobile_scanner: 96e91f2e1fb396bb7df8da40429ba8dfad664740
   nanopb: 438bc412db1928dac798aa6fd75726007be04262
+  open_file_ios: 461db5853723763573e140de3193656f91990d9e
   path_provider_foundation: 0b743cbb62d8e47eab856f09262bb8c1ddcfe6ba
   PromisesObjC: f5707f49cb48b9636751c5b2e7d227e43fba9f47
   SDWebImage: 16309af6d214ba3f77a7c6f6fdda888cb313a50a
diff --git a/lib/core/router/app_router.dart b/lib/core/router/app_router.dart
index 422514a..f6f8d2c 100644
--- a/lib/core/router/app_router.dart
+++ b/lib/core/router/app_router.dart
@@ -570,7 +570,7 @@ class RouteNames {
   // Main Routes
   static const String home = '/';
   static const String products = '/products';
-  static const String productDetail = '/products/:id';
+  static const String productDetail = '$products/:id';
   static const String writeReview = 'write-review';
   static const String cart = '/cart';
   static const String favorites = '/favorites';
@@ -579,40 +579,40 @@ class RouteNames {
 
   // Loyalty Routes
   static const String loyalty = '/loyalty';
-  static const String rewards = '/loyalty/rewards';
-  static const String pointsHistory = '/loyalty/points-history';
-  static const String pointsRecords = '/$loyalty/points-records';
-  static const String myGifts = '/loyalty/gifts';
-  static const String referral = '/loyalty/referral';
+  static const String rewards = '$loyalty/rewards';
+  static const String pointsHistory = '$loyalty/points-history';
+  static const String pointsRecords = '$loyalty/points-records';
+  static const String myGifts = '$loyalty/gifts';
+  static const String referral = '$loyalty/referral';
 
   // Orders & Payments Routes
   static const String orders = '/orders';
-  static const String orderDetail = '/orders/:id';
+  static const String orderDetail = '$orders/:id';
   static const String payments = '/payments';
-  static const String paymentDetail = '/payments/:id';
+  static const String paymentDetail = '$payments/:id';
   static const String paymentQr = '/payment-qr';
 
   // Projects & Quotes Routes
   static const String projects = '/projects';
-  static const String projectDetail = '/projects/:id';
-  static const String projectCreate = '/projects/create';
+  static const String projectDetail = '$projects/:id';
+  static const String projectCreate = '$projects/create';
   static const String submissions = '/submissions';
-  static const String submissionCreate = '/submissions/create';
+  static const String submissionCreate = '$submissions/create';
   static const String quotes = '/quotes';
-  static const String quoteDetail = '/quotes/:id';
-  static const String quoteCreate = '/quotes/create';
+  static const String quoteDetail = '$quotes/:id';
+  static const String quoteCreate = '$quotes/create';
 
   // Account Routes
   static const String account = '/account';
-  static const String profile = '/account/profile';
-  static const String addresses = '/account/addresses';
-  static const String addressForm = '/account/addresses/form';
-  static const String changePassword = '/account/change-password';
-  static const String settings = '/account/settings';
+  static const String profile = '$account/profile';
+  static const String addresses = '$account/addresses';
+  static const String addressForm = '$addresses/form';
+  static const String changePassword = '$account/change-password';
+  static const String settings = '$account/settings';
 
   // Promotions & Notifications Routes
   static const String promotions = '/promotions';
-  static const String promotionDetail = '/promotions/:id';
+  static const String promotionDetail = '$promotions/:id';
   static const String notifications = '/notifications';
 
   // Price Policy Route
@@ -620,17 +620,16 @@ class RouteNames {
 
   // News Route
   static const String news = '/news';
-  static const String newsDetail = '/news/:id';
+  static const String newsDetail = '$news/:id';
 
   // Chat Route
   static const String chat = '/chat';
 
   // Model Houses & Design Requests Routes
   static const String modelHouses = '/model-houses';
-  static const String modelHouseDetail = '/model-houses/:id';
-  static const String designRequestCreate =
-      '/model-houses/design-request/create';
-  static const String designRequestDetail = '/model-houses/design-request/:id';
+  static const String modelHouseDetail = '$modelHouses/:id';
+  static const String designRequestCreate = '$modelHouses/design-request/create';
+  static const String designRequestDetail = '$modelHouses/design-request/:id';
 
   // Authentication Routes
   static const String splash = '/splash';
diff --git a/lib/features/price_policy/data/datasources/price_policy_local_datasource.dart b/lib/features/price_policy/data/datasources/price_policy_local_datasource.dart
deleted file mode 100644
index 33815aa..0000000
--- a/lib/features/price_policy/data/datasources/price_policy_local_datasource.dart
+++ /dev/null
@@ -1,185 +0,0 @@
-/// Price Policy Local DataSource
-///
-/// Handles all local data operations for price policy documents.
-/// Currently provides mock data for development and testing.
-/// Will be extended to use Hive cache when backend API is available.
-library;
-
-import 'package:worker/features/price_policy/data/models/price_document_model.dart';
-
-/// Price Policy Local Data Source
-///
-/// Provides mock data for price policy documents.
-/// In production, this will cache data from the remote API.
-class PricePolicyLocalDataSource {
-  /// Get all price policy documents
-  ///
-  /// Returns a list of all documents from mock data.
-  /// In production, this will fetch from Hive cache.
-  Future<List<PriceDocumentModel>> getAllDocuments() async {
-    // Simulate network delay
-    await Future<void>.delayed(const Duration(milliseconds: 300));
-
-    return _mockDocuments;
-  }
-
-  /// Get documents by category
-  ///
-  /// Returns filtered list of documents matching the [category].
-  Future<List<PriceDocumentModel>> getDocumentsByCategory(
-    String category,
-  ) async {
-    // Simulate network delay
-    await Future<void>.delayed(const Duration(milliseconds: 200));
-
-    return _mockDocuments
-        .where((doc) => doc.category.toLowerCase() == category.toLowerCase())
-        .toList();
-  }
-
-  /// Get a specific document by ID
-  ///
-  /// Returns the document if found, null otherwise.
-  Future<PriceDocumentModel?> getDocumentById(String documentId) async {
-    // Simulate network delay
-    await Future<void>.delayed(const Duration(milliseconds: 100));
-
-    try {
-      return _mockDocuments.firstWhere((doc) => doc.id == documentId);
-    } catch (e) {
-      return null;
-    }
-  }
-
-  /// Check if cache is valid
-  ///
-  /// Returns true if cached data is still valid.
-  /// Currently always returns false since we're using mock data.
-  Future<bool> isCacheValid() async {
-    // TODO: Implement cache validation when using Hive
-    return false;
-  }
-
-  /// Cache documents locally
-  ///
-  /// Saves documents to Hive for offline access.
-  /// Currently not implemented (using mock data).
-  Future<void> cacheDocuments(List<PriceDocumentModel> documents) async {
-    // TODO: Implement Hive caching when backend API is ready
-  }
-
-  /// Clear cached documents
-  ///
-  /// Removes all cached documents from Hive.
-  /// Currently not implemented (using mock data).
-  Future<void> clearCache() async {
-    // TODO: Implement cache clearing when using Hive
-  }
-
-  /// Mock documents matching HTML design
-  ///
-  /// This data will be replaced with real API data in production.
-  static final List<PriceDocumentModel> _mockDocuments = [
-    // Policy documents (Chính sách giá)
-    const PriceDocumentModel(
-      id: 'policy-eurotile-10-2025',
-      title: 'Chính sách giá Eurotile T10/2025',
-      description:
-          'Chính sách giá mới nhất cho sản phẩm gạch Eurotile, áp dụng từ tháng 10/2025',
-      publishedDate: '2025-10-01T00:00:00.000Z',
-      documentType: 'pdf',
-      category: 'policy',
-      downloadUrl: '/documents/policy-eurotile-10-2025.pdf',
-      fileSize: '2.5 MB',
-    ),
-    const PriceDocumentModel(
-      id: 'policy-vasta-10-2025',
-      title: 'Chính sách giá Vasta Stone T10/2025',
-      description:
-          'Chính sách giá đá tự nhiên Vasta Stone, hiệu lực từ tháng 10/2025',
-      publishedDate: '2025-10-01T00:00:00.000Z',
-      documentType: 'pdf',
-      category: 'policy',
-      downloadUrl: '/documents/policy-vasta-10-2025.pdf',
-      fileSize: '1.8 MB',
-    ),
-    const PriceDocumentModel(
-      id: 'policy-dealer-2025',
-      title: 'Chính sách chiết khấu đại lý 2025',
-      description:
-          'Chương trình chiết khấu và ưu đãi dành cho đại lý, thầu thợ',
-      publishedDate: '2025-09-15T00:00:00.000Z',
-      documentType: 'pdf',
-      category: 'policy',
-      downloadUrl: '/documents/policy-dealer-2025.pdf',
-      fileSize: '3.2 MB',
-    ),
-    const PriceDocumentModel(
-      id: 'policy-payment-2025',
-      title: 'Điều kiện thanh toán & giao hàng',
-      description:
-          'Điều khoản thanh toán, chính sách giao hàng và bảo hành sản phẩm',
-      publishedDate: '2025-08-01T00:00:00.000Z',
-      documentType: 'pdf',
-      category: 'policy',
-      downloadUrl: '/documents/policy-payment-2025.pdf',
-      fileSize: '1.5 MB',
-    ),
-
-    // Price list documents (Bảng giá)
-    const PriceDocumentModel(
-      id: 'pricelist-granite-2025',
-      title: 'Bảng giá Gạch Granite Eurotile 2025',
-      description:
-          'Bảng giá chi tiết toàn bộ sản phẩm gạch granite, kích thước 60x60, 80x80, 120x120',
-      publishedDate: '2025-10-01T00:00:00.000Z',
-      documentType: 'excel',
-      category: 'priceList',
-      downloadUrl: '/documents/pricelist-granite-2025.xlsx',
-      fileSize: '850 KB',
-    ),
-    const PriceDocumentModel(
-      id: 'pricelist-ceramic-2025',
-      title: 'Bảng giá Gạch Ceramic Eurotile 2025',
-      description: 'Bảng giá gạch ceramic vân gỗ, vân đá, vân xi măng các loại',
-      publishedDate: '2025-10-01T00:00:00.000Z',
-      documentType: 'excel',
-      category: 'priceList',
-      downloadUrl: '/documents/pricelist-ceramic-2025.xlsx',
-      fileSize: '720 KB',
-    ),
-    const PriceDocumentModel(
-      id: 'pricelist-stone-2025',
-      title: 'Bảng giá Đá tự nhiên Vasta Stone 2025',
-      description:
-          'Bảng giá đá marble, granite tự nhiên nhập khẩu, kích thước tấm lớn',
-      publishedDate: '2025-10-01T00:00:00.000Z',
-      documentType: 'excel',
-      category: 'priceList',
-      downloadUrl: '/documents/pricelist-stone-2025.xlsx',
-      fileSize: '950 KB',
-    ),
-    const PriceDocumentModel(
-      id: 'pricelist-accessories-2025',
-      title: 'Bảng giá Phụ kiện & Vật liệu 2025',
-      description:
-          'Giá keo dán, chà ron, nẹp nhựa, nẹp inox và các phụ kiện thi công',
-      publishedDate: '2025-09-15T00:00:00.000Z',
-      documentType: 'excel',
-      category: 'priceList',
-      downloadUrl: '/documents/pricelist-accessories-2025.xlsx',
-      fileSize: '640 KB',
-    ),
-    const PriceDocumentModel(
-      id: 'pricelist-outdoor-2025',
-      title: 'Bảng giá Gạch Outdoor & Chống trơn 2025',
-      description:
-          'Bảng giá sản phẩm outdoor, gạch chống trơn dành cho ngoại thất',
-      publishedDate: '2025-09-01T00:00:00.000Z',
-      documentType: 'excel',
-      category: 'priceList',
-      downloadUrl: '/documents/pricelist-outdoor-2025.xlsx',
-      fileSize: '780 KB',
-    ),
-  ];
-}
diff --git a/lib/features/price_policy/data/datasources/price_policy_remote_datasource.dart b/lib/features/price_policy/data/datasources/price_policy_remote_datasource.dart
new file mode 100644
index 0000000..dc95ebe
--- /dev/null
+++ b/lib/features/price_policy/data/datasources/price_policy_remote_datasource.dart
@@ -0,0 +1,65 @@
+/// Remote Data Source: Price Policy
+///
+/// Handles API communication for price policy documents.
+library;
+
+import 'package:dio/dio.dart';
+import 'package:worker/core/network/dio_client.dart';
+import 'package:worker/features/price_policy/data/models/price_document_model.dart';
+
+/// Price Policy Remote Data Source Interface
+abstract class PricePolicyRemoteDataSource {
+  /// Get documents by pricing type
+  Future<List<PriceDocumentModel>> getDocumentsByType(String pricingType);
+
+  /// Get all documents (both pricing rule and price list)
+  Future<List<PriceDocumentModel>> getAllDocuments();
+}
+
+/// Price Policy Remote Data Source Implementation
+class PricePolicyRemoteDataSourceImpl implements PricePolicyRemoteDataSource {
+
+  const PricePolicyRemoteDataSourceImpl(this._dioClient);
+  final DioClient _dioClient;
+
+  @override
+  Future<List<PriceDocumentModel>> getDocumentsByType(String pricingType) async {
+    try {
+      final response = await _dioClient.post<Map<String, dynamic>>(
+        '/api/method/building_material.building_material.api.pricing.get_pricing_info',
+        data: {
+          'pricing_type': pricingType,
+          'limit_page_length': 0,
+          'limit_start': 0,
+        },
+      );
+
+      if (response.data == null) {
+        return [];
+      }
+
+      final apiResponse = PricingApiResponse.fromJson(response.data!);
+      return apiResponse.message;
+    } on DioException catch (e) {
+      throw Exception('Failed to fetch pricing documents: ${e.message}');
+    } catch (e) {
+      throw Exception('Failed to parse pricing documents: $e');
+    }
+  }
+
+  @override
+  Future<List<PriceDocumentModel>> getAllDocuments() async {
+    try {
+      // Fetch both pricing rule and price list in parallel
+      final results = await Future.wait([
+        getDocumentsByType('PRICING_RULE'),
+        getDocumentsByType('PRICE_LIST'),
+      ]);
+
+      // Combine results
+      return [...results[0], ...results[1]];
+    } catch (e) {
+      throw Exception('Failed to fetch all documents: $e');
+    }
+  }
+}
diff --git a/lib/features/price_policy/data/models/price_document_model.dart b/lib/features/price_policy/data/models/price_document_model.dart
index b013fae..13af4aa 100644
--- a/lib/features/price_policy/data/models/price_document_model.dart
+++ b/lib/features/price_policy/data/models/price_document_model.dart
@@ -1,158 +1,115 @@
-/// Data Model: Price Document Model
+/// Data Model: Price Document
 ///
-/// Data layer model for price policy documents.
-/// Handles JSON serialization and conversion to/from domain entity.
+/// Data model for price policy documents from API.
 library;
 
 import 'package:worker/features/price_policy/domain/entities/price_document.dart';
 
-/// Price Document Model
-///
-/// Used in the data layer for:
-/// - JSON serialization/deserialization from API
-/// - Conversion to domain entity
-/// - Local storage (if needed)
+/// Price document data model
 class PriceDocumentModel {
-  /// Unique document ID
-  final String id;
-
   /// Document title
   final String title;
 
-  /// Document description
-  final String description;
-
-  /// Date the document was published (ISO 8601 string)
-  final String publishedDate;
-
-  /// Type of document (pdf or excel)
-  final String documentType;
-
-  /// Category (policy or priceList)
-  final String category;
-
   /// URL to download the document
-  final String downloadUrl;
+  final String fileUrl;
 
-  /// Optional file size display string
-  final String? fileSize;
+  /// Last updated timestamp
+  final String updatedAt;
 
   /// Constructor
   const PriceDocumentModel({
-    required this.id,
     required this.title,
-    required this.description,
-    required this.publishedDate,
-    required this.documentType,
-    required this.category,
-    required this.downloadUrl,
-    this.fileSize,
+    required this.fileUrl,
+    required this.updatedAt,
   });
 
-  /// Create model from JSON
+  /// Create from JSON
   factory PriceDocumentModel.fromJson(Map<String, dynamic> json) {
     return PriceDocumentModel(
-      id: json['id'] as String,
-      title: json['title'] as String,
-      description: json['description'] as String,
-      publishedDate: json['published_date'] as String,
-      documentType: json['document_type'] as String,
-      category: json['category'] as String,
-      downloadUrl: json['download_url'] as String,
-      fileSize: json['file_size'] as String?,
+      title: json['title'] as String? ?? '',
+      fileUrl: json['file_url'] as String? ?? '',
+      updatedAt: json['updated_at'] as String? ?? '',
     );
   }
 
-  /// Convert model to JSON
+  /// Convert to JSON
   Map<String, dynamic> toJson() {
     return {
-      'id': id,
       'title': title,
-      'description': description,
-      'published_date': publishedDate,
-      'document_type': documentType,
-      'category': category,
-      'download_url': downloadUrl,
-      'file_size': fileSize,
+      'file_url': fileUrl,
+      'updated_at': updatedAt,
     };
   }
 
-  /// Convert model to domain entity
-  PriceDocument toEntity() {
+  /// Convert to domain entity
+  PriceDocument toEntity(DocumentCategory category) {
     return PriceDocument(
-      id: id,
       title: title,
-      description: description,
-      publishedDate: DateTime.parse(publishedDate),
-      documentType: _parseDocumentType(documentType),
-      category: _parseCategory(category),
-      downloadUrl: downloadUrl,
-      fileSize: fileSize,
+      fileUrl: fileUrl,
+      updatedAt: _parseDateTime(updatedAt),
+      category: category,
     );
   }
 
-  /// Create model from domain entity
+  /// Parse datetime string from API format
+  /// Format: "2025-11-26 11:36:43"
+  DateTime _parseDateTime(String dateTimeStr) {
+    try {
+      // Replace space with 'T' for ISO 8601 format
+      final isoFormat = dateTimeStr.trim().replaceFirst(' ', 'T');
+      return DateTime.parse(isoFormat);
+    } catch (e) {
+      // If parsing fails, return current datetime
+      return DateTime.now();
+    }
+  }
+
+  /// Create from domain entity
   factory PriceDocumentModel.fromEntity(PriceDocument entity) {
     return PriceDocumentModel(
-      id: entity.id,
       title: entity.title,
-      description: entity.description,
-      publishedDate: entity.publishedDate.toIso8601String(),
-      documentType: _documentTypeToString(entity.documentType),
-      category: _categoryToString(entity.category),
-      downloadUrl: entity.downloadUrl,
-      fileSize: entity.fileSize,
+      fileUrl: entity.fileUrl,
+      updatedAt: _formatDateTime(entity.updatedAt),
     );
   }
 
-  /// Parse document type from string
-  static DocumentType _parseDocumentType(String type) {
-    switch (type.toLowerCase()) {
-      case 'pdf':
-        return DocumentType.pdf;
-      case 'excel':
-        return DocumentType.excel;
-      default:
-        return DocumentType.pdf;
-    }
-  }
-
-  /// Parse category from string
-  static DocumentCategory _parseCategory(String category) {
-    switch (category.toLowerCase()) {
-      case 'policy':
-        return DocumentCategory.policy;
-      case 'pricelist':
-      case 'price_list':
-        return DocumentCategory.priceList;
-      default:
-        return DocumentCategory.policy;
-    }
-  }
-
-  /// Convert document type to string
-  static String _documentTypeToString(DocumentType type) {
-    switch (type) {
-      case DocumentType.pdf:
-        return 'pdf';
-      case DocumentType.excel:
-        return 'excel';
-    }
-  }
-
-  /// Convert category to string
-  static String _categoryToString(DocumentCategory category) {
-    switch (category) {
-      case DocumentCategory.policy:
-        return 'policy';
-      case DocumentCategory.priceList:
-        return 'priceList';
-    }
+  /// Format datetime to API format
+  static String _formatDateTime(DateTime dateTime) {
+    return '${dateTime.year}-'
+        '${dateTime.month.toString().padLeft(2, '0')}-'
+        '${dateTime.day.toString().padLeft(2, '0')} '
+        '${dateTime.hour.toString().padLeft(2, '0')}:'
+        '${dateTime.minute.toString().padLeft(2, '0')}:'
+        '${dateTime.second.toString().padLeft(2, '0')}';
   }
 
   @override
   String toString() {
-    return 'PriceDocumentModel(id: $id, title: $title, category: $category, '
-        'documentType: $documentType, publishedDate: $publishedDate)';
+    return 'PriceDocumentModel(title: $title, fileUrl: $fileUrl, updatedAt: $updatedAt)';
+  }
+}
+
+/// API Response wrapper
+class PricingApiResponse {
+  /// List of price documents
+  final List<PriceDocumentModel> message;
+
+  const PricingApiResponse({required this.message});
+
+  /// Create from JSON
+  factory PricingApiResponse.fromJson(Map<String, dynamic> json) {
+    final messageList = json['message'] as List<dynamic>? ?? [];
+    return PricingApiResponse(
+      message: messageList
+          .map((item) => PriceDocumentModel.fromJson(item as Map<String, dynamic>))
+          .toList(),
+    );
+  }
+
+  /// Convert to JSON
+  Map<String, dynamic> toJson() {
+    return {
+      'message': message.map((doc) => doc.toJson()).toList(),
+    };
   }
 }
diff --git a/lib/features/price_policy/data/repositories/price_policy_repository_impl.dart b/lib/features/price_policy/data/repositories/price_policy_repository_impl.dart
index 36d729e..23fe099 100644
--- a/lib/features/price_policy/data/repositories/price_policy_repository_impl.dart
+++ b/lib/features/price_policy/data/repositories/price_policy_repository_impl.dart
@@ -1,59 +1,44 @@
 /// Repository Implementation: Price Policy Repository
 ///
 /// Concrete implementation of the PricePolicyRepository interface.
-/// Coordinates between local and remote data sources to provide price policy data.
-///
-/// Currently uses mock data from local datasource.
-/// Will implement offline-first strategy when backend API is available.
+/// Fetches price policy documents from remote API.
 library;
 
-import 'package:worker/features/price_policy/data/datasources/price_policy_local_datasource.dart';
+import 'package:worker/features/price_policy/data/datasources/price_policy_remote_datasource.dart';
 import 'package:worker/features/price_policy/domain/entities/price_document.dart';
 import 'package:worker/features/price_policy/domain/repositories/price_policy_repository.dart';
 
 /// Price Policy Repository Implementation
-///
-/// Responsibilities:
-/// - Coordinate between local cache and remote API (when available)
-/// - Convert data models to domain entities
-/// - Handle errors gracefully
-/// - Manage cache invalidation
 class PricePolicyRepositoryImpl implements PricePolicyRepository {
-  /// Local data source
-  final PricePolicyLocalDataSource localDataSource;
-
-  /// Remote data source (API) - TODO: Add when API is ready
-  // final PricePolicyRemoteDataSource remoteDataSource;
+  /// Remote data source
+  final PricePolicyRemoteDataSource remoteDataSource;
 
   /// Constructor
-  PricePolicyRepositoryImpl({
-    required this.localDataSource,
-    // required this.remoteDataSource, // TODO: Add when API ready
+  const PricePolicyRepositoryImpl({
+    required this.remoteDataSource,
   });
 
   @override
   Future<List<PriceDocument>> getAllDocuments() async {
     try {
-      // TODO: Implement offline-first strategy
-      // 1. Check if cache is valid
-      // 2. Return cached data if valid
-      // 3. If cache invalid, fetch from remote
+      // Fetch documents separately to maintain category info
+      final pricingRuleModels =
+          await remoteDataSource.getDocumentsByType('PRICING_RULE');
+      final priceListModels =
+          await remoteDataSource.getDocumentsByType('PRICE_LIST');
 
-      // For now, get from local datasource (mock data)
-      final models = await localDataSource.getAllDocuments();
+      final entities = <PriceDocument>[
+        ...pricingRuleModels.map((model) => model.toEntity(DocumentCategory.policy)),
+        ...priceListModels.map((model) => model.toEntity(DocumentCategory.priceList)),
+      ];
 
-      // Convert models to entities
-      final entities = models.map((model) => model.toEntity()).toList();
-
-      // Sort by published date (newest first)
-      entities.sort((a, b) => b.publishedDate.compareTo(a.publishedDate));
+      // Sort by update date (newest first)
+      entities.sort((a, b) => b.updatedAt.compareTo(a.updatedAt));
 
       return entities;
     } catch (e) {
-      // Log error and return empty list
       // In production, this should throw proper domain failures
-      print('[PricePolicyRepository] Error getting documents: $e');
-      return [];
+      rethrow;
     }
   }
 
@@ -62,37 +47,35 @@ class PricePolicyRepositoryImpl implements PricePolicyRepository {
     DocumentCategory category,
   ) async {
     try {
-      // Convert category to string for datasource
-      final categoryString = _categoryToString(category);
+      // Convert category to API parameter
+      final pricingType = category.apiValue;
 
-      // Get documents from local datasource
-      final models = await localDataSource.getDocumentsByCategory(
-        categoryString,
-      );
+      // Fetch documents by type from API
+      final models = await remoteDataSource.getDocumentsByType(pricingType);
 
-      // Convert models to entities
-      final entities = models.map((model) => model.toEntity()).toList();
+      // Convert models to entities with the correct category
+      final entities = models.map((model) => model.toEntity(category)).toList();
 
-      // Sort by published date (newest first)
-      entities.sort((a, b) => b.publishedDate.compareTo(a.publishedDate));
+      // Sort by update date (newest first)
+      entities.sort((a, b) => b.updatedAt.compareTo(a.updatedAt));
 
       return entities;
     } catch (e) {
-      print('[PricePolicyRepository] Error getting documents by category: $e');
-      return [];
+      rethrow;
     }
   }
 
   @override
   Future<PriceDocument?> getDocumentById(String documentId) async {
     try {
-      // Get document from local datasource
-      final model = await localDataSource.getDocumentById(documentId);
-
-      // Convert model to entity
-      return model?.toEntity();
+      // Since API doesn't have a get-by-id endpoint,
+      // we fetch all and find the matching one
+      final allDocuments = await getAllDocuments();
+      return allDocuments.firstWhere(
+        (doc) => doc.title == documentId,
+        orElse: () => throw Exception('Document not found'),
+      );
     } catch (e) {
-      print('[PricePolicyRepository] Error getting document by id: $e');
       return null;
     }
   }
@@ -100,35 +83,10 @@ class PricePolicyRepositoryImpl implements PricePolicyRepository {
   @override
   Future<List<PriceDocument>> refreshDocuments() async {
     try {
-      // TODO: Implement remote fetch when API is available
-      // 1. Fetch from remote API
-      // 2. Cache the results locally
-      // 3. Return fresh data
-
-      // For now, just clear and refetch from local
-      await localDataSource.clearCache();
-      final models = await localDataSource.getAllDocuments();
-
-      // Convert models to entities
-      final entities = models.map((model) => model.toEntity()).toList();
-
-      // Sort by published date (newest first)
-      entities.sort((a, b) => b.publishedDate.compareTo(a.publishedDate));
-
-      return entities;
+      // Refresh is same as getAllDocuments since we're fetching from API
+      return await getAllDocuments();
     } catch (e) {
-      print('[PricePolicyRepository] Error refreshing documents: $e');
-      return [];
-    }
-  }
-
-  /// Helper method to convert category enum to string
-  String _categoryToString(DocumentCategory category) {
-    switch (category) {
-      case DocumentCategory.policy:
-        return 'policy';
-      case DocumentCategory.priceList:
-        return 'priceList';
+      rethrow;
     }
   }
 }
diff --git a/lib/features/price_policy/domain/entities/price_document.dart b/lib/features/price_policy/domain/entities/price_document.dart
index 3687ca3..4fedbb2 100644
--- a/lib/features/price_policy/domain/entities/price_document.dart
+++ b/lib/features/price_policy/domain/entities/price_document.dart
@@ -4,44 +4,47 @@
 /// This entity is framework-independent and contains only business logic.
 library;
 
-/// Price policy document entity
-class PriceDocument {
-  /// Unique document ID
-  final String id;
+import 'package:equatable/equatable.dart';
 
+/// Price policy document entity
+class PriceDocument extends Equatable {
   /// Document title
   final String title;
 
-  /// Document description
-  final String description;
+  /// URL to download the document
+  final String fileUrl;
 
-  /// Date the document was published
-  final DateTime publishedDate;
-
-  /// Type of document (PDF or Excel)
-  final DocumentType documentType;
+  /// Date the document was last updated
+  final DateTime updatedAt;
 
   /// Category (policy or price list)
   final DocumentCategory category;
 
-  /// URL to download the document
-  final String downloadUrl;
-
-  /// Optional file size display string
-  final String? fileSize;
+  /// Local file path after download (in-memory cache for current session)
+  final String? filePath;
 
   /// Constructor
   const PriceDocument({
-    required this.id,
     required this.title,
-    required this.description,
-    required this.publishedDate,
-    required this.documentType,
+    required this.fileUrl,
+    required this.updatedAt,
     required this.category,
-    required this.downloadUrl,
-    this.fileSize,
+    this.filePath,
   });
 
+  /// Get document type based on file extension
+  DocumentType get documentType {
+    final lowerUrl = fileUrl.toLowerCase();
+    if (lowerUrl.endsWith('.pdf')) {
+      return DocumentType.pdf;
+    } else if (lowerUrl.endsWith('.xlsx') ||
+        lowerUrl.endsWith('.xls') ||
+        lowerUrl.endsWith('.csv')) {
+      return DocumentType.excel;
+    }
+    return DocumentType.excel; // Default to excel
+  }
+
   /// Check if document is a PDF
   bool get isPdf => documentType == DocumentType.pdf;
 
@@ -56,9 +59,15 @@ class PriceDocument {
 
   /// Get formatted published date (dd/MM/yyyy)
   String get formattedDate {
-    return '${publishedDate.day.toString().padLeft(2, '0')}/'
-        '${publishedDate.month.toString().padLeft(2, '0')}/'
-        '${publishedDate.year}';
+    return '${updatedAt.day.toString().padLeft(2, '0')}/'
+        '${updatedAt.month.toString().padLeft(2, '0')}/'
+        '${updatedAt.year}';
+  }
+
+  /// Get formatted date with time (dd/MM/yyyy HH:mm)
+  String get formattedDateTime {
+    return '$formattedDate ${updatedAt.hour.toString().padLeft(2, '0')}:'
+        '${updatedAt.minute.toString().padLeft(2, '0')}';
   }
 
   /// Get formatted date with prefix based on category
@@ -72,64 +81,30 @@ class PriceDocument {
 
   /// Copy with method for immutability
   PriceDocument copyWith({
-    String? id,
     String? title,
-    String? description,
-    DateTime? publishedDate,
-    DocumentType? documentType,
+    String? fileUrl,
+    DateTime? updatedAt,
     DocumentCategory? category,
-    String? downloadUrl,
-    String? fileSize,
+    String? filePath,
   }) {
     return PriceDocument(
-      id: id ?? this.id,
       title: title ?? this.title,
-      description: description ?? this.description,
-      publishedDate: publishedDate ?? this.publishedDate,
-      documentType: documentType ?? this.documentType,
+      fileUrl: fileUrl ?? this.fileUrl,
+      updatedAt: updatedAt ?? this.updatedAt,
       category: category ?? this.category,
-      downloadUrl: downloadUrl ?? this.downloadUrl,
-      fileSize: fileSize ?? this.fileSize,
+      filePath: filePath ?? this.filePath,
     );
   }
 
-  /// Equality operator
+  /// Equatable props for equality comparison
   @override
-  bool operator ==(Object other) {
-    if (identical(this, other)) return true;
-
-    return other is PriceDocument &&
-        other.id == id &&
-        other.title == title &&
-        other.description == description &&
-        other.publishedDate == publishedDate &&
-        other.documentType == documentType &&
-        other.category == category &&
-        other.downloadUrl == downloadUrl &&
-        other.fileSize == fileSize;
-  }
-
-  /// Hash code
-  @override
-  int get hashCode {
-    return Object.hash(
-      id,
-      title,
-      description,
-      publishedDate,
-      documentType,
-      category,
-      downloadUrl,
-      fileSize,
-    );
-  }
+  List<Object?> get props => [title, fileUrl, updatedAt, category, filePath];
 
   /// String representation
   @override
   String toString() {
-    return 'PriceDocument(id: $id, title: $title, description: $description, '
-        'publishedDate: $publishedDate, documentType: $documentType, '
-        'category: $category, downloadUrl: $downloadUrl, fileSize: $fileSize)';
+    return 'PriceDocument(title: $title, fileUrl: $fileUrl, '
+        'updatedAt: $updatedAt, category: $category, filePath: $filePath)';
   }
 }
 
@@ -138,8 +113,8 @@ enum DocumentType { pdf, excel }
 
 /// Document category enum
 enum DocumentCategory {
-  policy, // Chính sách giá
-  priceList, // Bảng giá
+  policy, // Chính sách giá (PRICING_RULE)
+  priceList, // Bảng giá (PRICE_LIST)
 }
 
 // Extension for display
@@ -163,4 +138,14 @@ extension DocumentCategoryX on DocumentCategory {
         return 'Bảng giá';
     }
   }
+
+  /// Get API parameter value for this category
+  String get apiValue {
+    switch (this) {
+      case DocumentCategory.policy:
+        return 'PRICING_RULE';
+      case DocumentCategory.priceList:
+        return 'PRICE_LIST';
+    }
+  }
 }
diff --git a/lib/features/price_policy/presentation/pages/price_policy_page.dart b/lib/features/price_policy/presentation/pages/price_policy_page.dart
index 5342d20..8517afb 100644
--- a/lib/features/price_policy/presentation/pages/price_policy_page.dart
+++ b/lib/features/price_policy/presentation/pages/price_policy_page.dart
@@ -1,7 +1,12 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
+import 'package:open_file/open_file.dart';
+import 'package:path_provider/path_provider.dart';
 import '../../../../core/constants/ui_constants.dart';
+import '../../../../core/network/dio_client.dart';
 import '../../../../core/theme/colors.dart';
 import '../../domain/entities/price_document.dart';
 import '../providers/price_documents_provider.dart';
@@ -55,36 +60,55 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
           ),
           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,
+      body: Column(
         children: [
-          // Policy tab
-          _buildDocumentList(DocumentCategory.policy),
-          // Price list tab
-          _buildDocumentList(DocumentCategory.priceList),
+          // TabBar with padding
+          Padding(
+            padding: const EdgeInsets.all(16),
+            child: Container(
+              height: 40,
+              decoration: BoxDecoration(
+                color: AppColors.grey100,
+                borderRadius: BorderRadius.circular(8),
+              ),
+              child: TabBar(
+                controller: _tabController,
+                labelColor: AppColors.white,
+                unselectedLabelColor: AppColors.grey900,
+                indicatorSize: TabBarIndicatorSize.tab,
+                indicator: BoxDecoration(
+                  color: AppColors.primaryBlue,
+                  borderRadius: BorderRadius.circular(8),
+                ),
+                dividerColor: Colors.transparent,
+                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'),
+                ],
+              ),
+            ),
+          ),
+          // TabBarView
+          Expanded(
+            child: TabBarView(
+              controller: _tabController,
+              children: [
+                // Policy tab
+                _buildDocumentList(DocumentCategory.policy),
+                // Price list tab
+                _buildDocumentList(DocumentCategory.priceList),
+              ],
+            ),
+          ),
         ],
       ),
     );
@@ -96,7 +120,7 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
     return documentsAsync.when(
       data: (documents) {
         if (documents.isEmpty) {
-          return Center(
+          return const Center(
             child: Column(
               mainAxisAlignment: MainAxisAlignment.center,
               children: [
@@ -105,7 +129,7 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
                   size: 64,
                   color: AppColors.grey500,
                 ),
-                const SizedBox(height: AppSpacing.md),
+                SizedBox(height: AppSpacing.md),
                 Text(
                   'Chưa có tài liệu',
                   style: TextStyle(fontSize: 16, color: AppColors.grey500),
@@ -118,8 +142,9 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
         return RefreshIndicator(
           onRefresh: () async {
             // Refresh documents from repository
-            ref.invalidate(filteredPriceDocumentsProvider(category));
-            await Future<void>.delayed(const Duration(milliseconds: 500));
+            await ref
+                .read(filteredPriceDocumentsProvider(category).notifier)
+                .refresh();
           },
           child: ListView.separated(
             padding: const EdgeInsets.all(AppSpacing.md),
@@ -130,7 +155,7 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
               final document = documents[index];
               return DocumentCard(
                 document: document,
-                onDownload: () => _handleDownload(document),
+                onDownload: () => _handleDownload(document, category),
               );
             },
           ),
@@ -150,7 +175,9 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
             const SizedBox(height: AppSpacing.sm),
             ElevatedButton(
               onPressed: () {
-                ref.invalidate(filteredPriceDocumentsProvider(category));
+                ref
+                    .read(filteredPriceDocumentsProvider(category).notifier)
+                    .refresh();
               },
               child: const Text('Thử lại'),
             ),
@@ -160,22 +187,95 @@ class _PricePolicyPageState extends ConsumerState<PricePolicyPage>
     );
   }
 
-  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,
-      ),
-    );
+  Future<void> _handleDownload(
+    PriceDocument document,
+    DocumentCategory category,
+  ) async {
+    try {
+      // Check if file already downloaded and exists
+      if (document.filePath != null) {
+        final file = File(document.filePath!);
+        if (await file.exists()) {
+          // File exists, just open it
+          final result = await OpenFile.open(document.filePath!);
+          if (result.type != ResultType.done && mounted) {
+            ScaffoldMessenger.of(context).showSnackBar(
+              SnackBar(
+                content: Text('Không thể mở file: ${result.message}'),
+                backgroundColor: AppColors.danger,
+                behavior: SnackBarBehavior.floating,
+              ),
+            );
+          }
+          return;
+        }
+      }
 
-    // Simulate download
-    // TODO: Implement actual file download functionality
-    // - Use url_launcher or dio to download file
-    // - Show progress indicator
-    // - Save to device storage
+      // File not downloaded yet, show loading snackbar
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text('Đang tải: ${document.title}'),
+          duration: const Duration(seconds: 2),
+          backgroundColor: AppColors.primaryBlue,
+          behavior: SnackBarBehavior.floating,
+        ),
+      );
+
+      // Get DioClient
+      final dioClient = await ref.read(dioClientProvider.future);
+
+      // Get download directory
+      final directory = await getApplicationDocumentsDirectory();
+
+      // Extract filename from URL or use title
+      final uri = Uri.parse(document.fileUrl);
+      final filename = uri.pathSegments.isNotEmpty
+          ? uri.pathSegments.last
+          : '${document.title}.${document.documentType == DocumentType.pdf ? "pdf" : "xlsx"}';
+
+      final savePath = '${directory.path}/$filename';
+
+      // Download file with authentication headers (automatically added by AuthInterceptor)
+      await dioClient.downloadFile(
+        document.fileUrl,
+        savePath,
+        onReceiveProgress: (received, total) {
+          // Progress tracking available here if needed: (received / total * 100)
+        },
+      );
+
+      // Update document with file path in provider
+      ref
+          .read(filteredPriceDocumentsProvider(category).notifier)
+          .updateDocumentFilePath(document.title, savePath);
+
+      // Show success message
+      if (mounted) {
+        // Clear any existing snackbars
+        ScaffoldMessenger.of(context).clearSnackBars();
+
+        // Show success message
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('Tải thành công: ${document.title}'),
+            backgroundColor: AppColors.success,
+            behavior: SnackBarBehavior.floating,
+            duration: const Duration(seconds: 2),
+          ),
+        );
+      }
+    } catch (e) {
+      // Show error message
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text('Lỗi tải file: ${e.toString()}'),
+            backgroundColor: AppColors.danger,
+            behavior: SnackBarBehavior.floating,
+          ),
+        );
+      }
+    }
   }
 
   void _showInfoDialog() {
diff --git a/lib/features/price_policy/presentation/providers/price_documents_provider.dart b/lib/features/price_policy/presentation/providers/price_documents_provider.dart
index 78aa284..c3bf836 100644
--- a/lib/features/price_policy/presentation/providers/price_documents_provider.dart
+++ b/lib/features/price_policy/presentation/providers/price_documents_provider.dart
@@ -1,38 +1,54 @@
 import 'package:riverpod_annotation/riverpod_annotation.dart';
-import 'package:worker/features/price_policy/data/datasources/price_policy_local_datasource.dart';
+import 'package:worker/core/network/dio_client.dart';
+import 'package:worker/features/price_policy/data/datasources/price_policy_remote_datasource.dart';
 import 'package:worker/features/price_policy/data/repositories/price_policy_repository_impl.dart';
 import 'package:worker/features/price_policy/domain/entities/price_document.dart';
 import 'package:worker/features/price_policy/domain/repositories/price_policy_repository.dart';
 
 part 'price_documents_provider.g.dart';
 
-/// Provider for local data source
-@riverpod
-PricePolicyLocalDataSource pricePolicyLocalDataSource(Ref ref) {
-  return PricePolicyLocalDataSource();
-}
-
 /// Provider for price policy repository
 @riverpod
-PricePolicyRepository pricePolicyRepository(Ref ref) {
-  final localDataSource = ref.watch(pricePolicyLocalDataSourceProvider);
-
-  return PricePolicyRepositoryImpl(localDataSource: localDataSource);
+Future<PricePolicyRepository> pricePolicyRepository(Ref ref) async {
+  final dioClient = await ref.watch(dioClientProvider.future);
+  final remoteDataSource = PricePolicyRemoteDataSourceImpl(dioClient);
+  return PricePolicyRepositoryImpl(remoteDataSource: remoteDataSource);
 }
 
 /// Provider for all price policy documents
 @riverpod
 Future<List<PriceDocument>> priceDocuments(Ref ref) async {
-  final repository = ref.watch(pricePolicyRepositoryProvider);
+  final repository = await ref.watch(pricePolicyRepositoryProvider.future);
   return repository.getAllDocuments();
 }
 
-/// Provider for filtered documents by category
+/// Provider for filtered documents by category with file path management
 @riverpod
-Future<List<PriceDocument>> filteredPriceDocuments(
-  Ref ref,
-  DocumentCategory category,
-) async {
-  final repository = ref.watch(pricePolicyRepositoryProvider);
-  return repository.getDocumentsByCategory(category);
+class FilteredPriceDocuments extends _$FilteredPriceDocuments {
+  @override
+  Future<List<PriceDocument>> build(DocumentCategory category) async {
+    final repository = await ref.watch(pricePolicyRepositoryProvider.future);
+    return repository.getDocumentsByCategory(category);
+  }
+
+  /// Update a document's file path after download
+  void updateDocumentFilePath(String documentTitle, String filePath) {
+    state = state.whenData((documents) {
+      return documents.map((doc) {
+        if (doc.title == documentTitle) {
+          return doc.copyWith(filePath: filePath);
+        }
+        return doc;
+      }).toList();
+    });
+  }
+
+  /// Refresh documents
+  Future<void> refresh() async {
+    state = const AsyncValue.loading();
+    state = await AsyncValue.guard(() async {
+      final repository = await ref.read(pricePolicyRepositoryProvider.future);
+      return repository.getDocumentsByCategory(category);
+    });
+  }
 }
diff --git a/lib/features/price_policy/presentation/providers/price_documents_provider.g.dart b/lib/features/price_policy/presentation/providers/price_documents_provider.g.dart
index e7c4aa0..4f6683e 100644
--- a/lib/features/price_policy/presentation/providers/price_documents_provider.g.dart
+++ b/lib/features/price_policy/presentation/providers/price_documents_provider.g.dart
@@ -8,60 +8,6 @@ part of 'price_documents_provider.dart';
 
 // GENERATED CODE - DO NOT MODIFY BY HAND
 // ignore_for_file: type=lint, type=warning
-/// Provider for local data source
-
-@ProviderFor(pricePolicyLocalDataSource)
-const pricePolicyLocalDataSourceProvider =
-    PricePolicyLocalDataSourceProvider._();
-
-/// Provider for local data source
-
-final class PricePolicyLocalDataSourceProvider
-    extends
-        $FunctionalProvider<
-          PricePolicyLocalDataSource,
-          PricePolicyLocalDataSource,
-          PricePolicyLocalDataSource
-        >
-    with $Provider<PricePolicyLocalDataSource> {
-  /// Provider for local data source
-  const PricePolicyLocalDataSourceProvider._()
-    : super(
-        from: null,
-        argument: null,
-        retry: null,
-        name: r'pricePolicyLocalDataSourceProvider',
-        isAutoDispose: true,
-        dependencies: null,
-        $allTransitiveDependencies: null,
-      );
-
-  @override
-  String debugGetCreateSourceHash() => _$pricePolicyLocalDataSourceHash();
-
-  @$internal
-  @override
-  $ProviderElement<PricePolicyLocalDataSource> $createElement(
-    $ProviderPointer pointer,
-  ) => $ProviderElement(pointer);
-
-  @override
-  PricePolicyLocalDataSource create(Ref ref) {
-    return pricePolicyLocalDataSource(ref);
-  }
-
-  /// {@macro riverpod.override_with_value}
-  Override overrideWithValue(PricePolicyLocalDataSource value) {
-    return $ProviderOverride(
-      origin: this,
-      providerOverride: $SyncValueProvider<PricePolicyLocalDataSource>(value),
-    );
-  }
-}
-
-String _$pricePolicyLocalDataSourceHash() =>
-    r'dd1bee761fa7f050835508cf33bf34a788829483';
-
 /// Provider for price policy repository
 
 @ProviderFor(pricePolicyRepository)
@@ -72,11 +18,13 @@ const pricePolicyRepositoryProvider = PricePolicyRepositoryProvider._();
 final class PricePolicyRepositoryProvider
     extends
         $FunctionalProvider<
+          AsyncValue<PricePolicyRepository>,
           PricePolicyRepository,
-          PricePolicyRepository,
-          PricePolicyRepository
+          FutureOr<PricePolicyRepository>
         >
-    with $Provider<PricePolicyRepository> {
+    with
+        $FutureModifier<PricePolicyRepository>,
+        $FutureProvider<PricePolicyRepository> {
   /// Provider for price policy repository
   const PricePolicyRepositoryProvider._()
     : super(
@@ -94,26 +42,18 @@ final class PricePolicyRepositoryProvider
 
   @$internal
   @override
-  $ProviderElement<PricePolicyRepository> $createElement(
+  $FutureProviderElement<PricePolicyRepository> $createElement(
     $ProviderPointer pointer,
-  ) => $ProviderElement(pointer);
+  ) => $FutureProviderElement(pointer);
 
   @override
-  PricePolicyRepository create(Ref ref) {
+  FutureOr<PricePolicyRepository> create(Ref ref) {
     return pricePolicyRepository(ref);
   }
-
-  /// {@macro riverpod.override_with_value}
-  Override overrideWithValue(PricePolicyRepository value) {
-    return $ProviderOverride(
-      origin: this,
-      providerOverride: $SyncValueProvider<PricePolicyRepository>(value),
-    );
-  }
 }
 
 String _$pricePolicyRepositoryHash() =>
-    r'296555a45936d8e43a28bf5add5e7db40495009c';
+    r'35aa21067e77bbb6b91dd29c4772b1c6707be116';
 
 /// Provider for all price policy documents
 
@@ -159,26 +99,18 @@ final class PriceDocumentsProvider
   }
 }
 
-String _$priceDocumentsHash() => r'cf2ccf6bd9aaae0c56ab01529fd034a090d99263';
+String _$priceDocumentsHash() => r'dffe292742776681c22d0ccdb3e091491290057d';
 
-/// Provider for filtered documents by category
+/// Provider for filtered documents by category with file path management
 
-@ProviderFor(filteredPriceDocuments)
+@ProviderFor(FilteredPriceDocuments)
 const filteredPriceDocumentsProvider = FilteredPriceDocumentsFamily._();
 
-/// Provider for filtered documents by category
-
+/// Provider for filtered documents by category with file path management
 final class FilteredPriceDocumentsProvider
     extends
-        $FunctionalProvider<
-          AsyncValue<List<PriceDocument>>,
-          List<PriceDocument>,
-          FutureOr<List<PriceDocument>>
-        >
-    with
-        $FutureModifier<List<PriceDocument>>,
-        $FutureProvider<List<PriceDocument>> {
-  /// Provider for filtered documents by category
+        $AsyncNotifierProvider<FilteredPriceDocuments, List<PriceDocument>> {
+  /// Provider for filtered documents by category with file path management
   const FilteredPriceDocumentsProvider._({
     required FilteredPriceDocumentsFamily super.from,
     required DocumentCategory super.argument,
@@ -202,15 +134,7 @@ final class FilteredPriceDocumentsProvider
 
   @$internal
   @override
-  $FutureProviderElement<List<PriceDocument>> $createElement(
-    $ProviderPointer pointer,
-  ) => $FutureProviderElement(pointer);
-
-  @override
-  FutureOr<List<PriceDocument>> create(Ref ref) {
-    final argument = this.argument as DocumentCategory;
-    return filteredPriceDocuments(ref, argument);
-  }
+  FilteredPriceDocuments create() => FilteredPriceDocuments();
 
   @override
   bool operator ==(Object other) {
@@ -225,13 +149,16 @@ final class FilteredPriceDocumentsProvider
 }
 
 String _$filteredPriceDocumentsHash() =>
-    r'8f5b2ed822694b4dd9523e1a61e202a7ba0c1fbc';
+    r'c06d858ed1027d6408c4b70c29f47a4c4c9eb21c';
 
-/// Provider for filtered documents by category
+/// Provider for filtered documents by category with file path management
 
 final class FilteredPriceDocumentsFamily extends $Family
     with
-        $FunctionalFamilyOverride<
+        $ClassFamilyOverride<
+          FilteredPriceDocuments,
+          AsyncValue<List<PriceDocument>>,
+          List<PriceDocument>,
           FutureOr<List<PriceDocument>>,
           DocumentCategory
         > {
@@ -244,7 +171,7 @@ final class FilteredPriceDocumentsFamily extends $Family
         isAutoDispose: true,
       );
 
-  /// Provider for filtered documents by category
+  /// Provider for filtered documents by category with file path management
 
   FilteredPriceDocumentsProvider call(DocumentCategory category) =>
       FilteredPriceDocumentsProvider._(argument: category, from: this);
@@ -252,3 +179,29 @@ final class FilteredPriceDocumentsFamily extends $Family
   @override
   String toString() => r'filteredPriceDocumentsProvider';
 }
+
+/// Provider for filtered documents by category with file path management
+
+abstract class _$FilteredPriceDocuments
+    extends $AsyncNotifier<List<PriceDocument>> {
+  late final _$args = ref.$arg as DocumentCategory;
+  DocumentCategory get category => _$args;
+
+  FutureOr<List<PriceDocument>> build(DocumentCategory category);
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final created = build(_$args);
+    final ref =
+        this.ref as $Ref<AsyncValue<List<PriceDocument>>, List<PriceDocument>>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<AsyncValue<List<PriceDocument>>, List<PriceDocument>>,
+              AsyncValue<List<PriceDocument>>,
+              Object?,
+              Object?
+            >;
+    element.handleValue(ref, created);
+  }
+}
diff --git a/lib/features/price_policy/presentation/widgets/document_card.dart b/lib/features/price_policy/presentation/widgets/document_card.dart
index 4c480ea..63b1507 100644
--- a/lib/features/price_policy/presentation/widgets/document_card.dart
+++ b/lib/features/price_policy/presentation/widgets/document_card.dart
@@ -120,23 +120,11 @@ class DocumentCard extends StatelessWidget {
               document.formattedDateWithPrefix,
               style: const TextStyle(fontSize: 13, color: AppColors.grey500),
             ),
-            if (document.fileSize != null) ...[
-              const SizedBox(width: 8),
-              const Text(
-                '•',
-                style: TextStyle(fontSize: 13, color: AppColors.grey500),
-              ),
-              const SizedBox(width: 8),
-              Text(
-                document.fileSize!,
-                style: const TextStyle(fontSize: 13, color: AppColors.grey500),
-              ),
-            ],
           ],
         ),
         const SizedBox(height: 6),
         Text(
-          document.description,
+          document.title,
           style: const TextStyle(
             fontSize: 14,
             color: AppColors.grey500,
@@ -150,19 +138,24 @@ class DocumentCard extends StatelessWidget {
   }
 
   Widget _buildDownloadButton() {
+    final isDownloaded = document.filePath != null;
+    final buttonColor = isDownloaded ? AppColors.success : AppColors.primaryBlue;
+    final buttonIcon = isDownloaded ? Icons.folder_open : Icons.download;
+    final buttonText = isDownloaded ? 'Mở file' : 'Tải về';
+
     return ElevatedButton.icon(
       onPressed: onDownload,
       style: ElevatedButton.styleFrom(
-        backgroundColor: AppColors.primaryBlue,
+        backgroundColor: buttonColor,
         foregroundColor: AppColors.white,
         elevation: 0,
         padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
         shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
       ),
-      icon: const Icon(Icons.download, size: 18),
-      label: const Text(
-        'Tải về',
-        style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
+      icon: Icon(buttonIcon, size: 18),
+      label: Text(
+        buttonText,
+        style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w500),
       ),
     );
   }
diff --git a/pubspec.lock b/pubspec.lock
index 726ffef..8205081 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -964,6 +964,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  open_file:
+    dependency: "direct main"
+    description:
+      name: open_file
+      sha256: d17e2bddf5b278cb2ae18393d0496aa4f162142ba97d1a9e0c30d476adf99c0e
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.5.10"
+  open_file_android:
+    dependency: transitive
+    description:
+      name: open_file_android
+      sha256: "58141fcaece2f453a9684509a7275f231ac0e3d6ceb9a5e6de310a7dff9084aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.6"
+  open_file_ios:
+    dependency: transitive
+    description:
+      name: open_file_ios
+      sha256: "02996f01e5f6863832068e97f8f3a5ef9b613516db6897f373b43b79849e4d07"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  open_file_linux:
+    dependency: transitive
+    description:
+      name: open_file_linux
+      sha256: d189f799eecbb139c97f8bc7d303f9e720954fa4e0fa1b0b7294767e5f2d7550
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.5"
+  open_file_mac:
+    dependency: transitive
+    description:
+      name: open_file_mac
+      sha256: "1440b1e37ceb0642208cfeb2c659c6cda27b25187a90635c9d1acb7d0584d324"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  open_file_platform_interface:
+    dependency: transitive
+    description:
+      name: open_file_platform_interface
+      sha256: "101b424ca359632699a7e1213e83d025722ab668b9fd1412338221bf9b0e5757"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  open_file_web:
+    dependency: transitive
+    description:
+      name: open_file_web
+      sha256: e3dbc9584856283dcb30aef5720558b90f88036360bd078e494ab80a80130c4f
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.4"
+  open_file_windows:
+    dependency: transitive
+    description:
+      name: open_file_windows
+      sha256: d26c31ddf935a94a1a3aa43a23f4fff8a5ff4eea395fe7a8cb819cf55431c875
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.3"
   package_config:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 3dfa6d1..414a7cc 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -74,6 +74,7 @@ dependencies:
   file_picker: ^8.0.0
   url_launcher: ^6.3.0
   path_provider: ^2.1.3
+  open_file: ^3.5.10
   shared_preferences: ^2.2.3
   flutter_secure_storage: ^9.2.4