price policy

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';
+    }
+  }
 }