fix product

lib/features/products/data/models/product_model.dart

@@ -30,6 +30,7 @@ class ProductModel extends HiveObject {
     this.brand,
     this.unit,
     this.conversionOfSm,
+    this.introAttributes,
     required this.isActive,
     required this.isFeatured,
     this.erpnextItemCode,
@@ -91,6 +92,12 @@ class ProductModel extends HiveObject {
   @HiveField(17)
   final double? conversionOfSm;
 
+  /// Intro attributes (JSON encoded list)
+  /// Quick reference attributes from API: Size, Colour, UOM
+  /// Example: [{"code": "Size", "value": "120x120"}, {"code": "UOM", "value": "2 viên/hộp"}]
+  @HiveField(18)
+  final String? introAttributes;
+
   /// Whether product is active
   @HiveField(12)
   final bool isActive;
@@ -137,6 +144,9 @@ class ProductModel extends HiveObject {
       conversionOfSm: json['conversion_of_sm'] != null
           ? (json['conversion_of_sm'] as num).toDouble()
           : null,
+      introAttributes: json['intro_attributes'] != null
+          ? jsonEncode(json['intro_attributes'])
+          : null,
       isActive: json['is_active'] as bool? ?? true,
       isFeatured: json['is_featured'] as bool? ?? false,
       erpnextItemCode: json['erpnext_item_code'] as String?,
@@ -223,6 +233,22 @@ class ProductModel extends HiveObject {
       }
     }
 
+    // Parse intro_attributes array for quick reference
+    final List<Map<String, String>> introAttributesList = [];
+    if (json['intro_attributes'] != null && json['intro_attributes'] is List) {
+      final introAttrsData = json['intro_attributes'] as List;
+      for (final attr in introAttrsData) {
+        if (attr is Map<String, dynamic> &&
+            attr['code'] != null &&
+            attr['value'] != null) {
+          introAttributesList.add({
+            'code': attr['code'] as String,
+            'value': attr['value'] as String,
+          });
+        }
+      }
+    }
+
     final now = DateTime.now();
 
     // Handle price from both product detail (price) and product list (standard_rate)
@@ -251,6 +277,9 @@ class ProductModel extends HiveObject {
       conversionOfSm: json['conversion_of_sm'] != null
           ? (json['conversion_of_sm'] as num).toDouble()
           : null,
+      introAttributes: introAttributesList.isNotEmpty
+          ? jsonEncode(introAttributesList)
+          : null,
       isActive: (json['disabled'] as int?) == 0, // Frappe uses 'disabled' field
       isFeatured: false, // Not provided by API, default to false
       erpnextItemCode: json['name'] as String, // Store item code for reference
@@ -283,6 +312,9 @@ class ProductModel extends HiveObject {
       'brand': brand,
       'unit': unit,
       'conversion_of_sm': conversionOfSm,
+      'intro_attributes': introAttributes != null
+          ? jsonDecode(introAttributes!)
+          : null,
       'is_active': isActive,
       'is_featured': isFeatured,
       'erpnext_item_code': erpnextItemCode,
@@ -336,6 +368,38 @@ class ProductModel extends HiveObject {
     }
   }
 
+  /// Get intro attributes as List
+  List<Map<String, String>>? get introAttributesList {
+    if (introAttributes == null) return null;
+    try {
+      final decoded = jsonDecode(introAttributes!) as List;
+      return decoded.map((e) {
+        final map = e as Map<String, dynamic>;
+        return {
+          'code': map['code'].toString(),
+          'value': map['value'].toString(),
+        };
+      }).toList();
+    } catch (e) {
+      return null;
+    }
+  }
+
+  /// Get specific intro attribute value by code
+  String? getIntroAttribute(String code) {
+    final attrs = introAttributesList;
+    if (attrs == null) return null;
+
+    try {
+      final attr = attrs.firstWhere(
+        (attr) => attr['code']?.toLowerCase() == code.toLowerCase(),
+      );
+      return attr['value'];
+    } catch (e) {
+      return null;
+    }
+  }
+
   /// Get formatted price with currency
   String get formattedPrice {
     return '${basePrice.toStringAsFixed(0)}đ';
@@ -363,6 +427,7 @@ class ProductModel extends HiveObject {
     String? brand,
     String? unit,
     double? conversionOfSm,
+    String? introAttributes,
     bool? isActive,
     bool? isFeatured,
     String? erpnextItemCode,
@@ -383,6 +448,7 @@ class ProductModel extends HiveObject {
       brand: brand ?? this.brand,
       unit: unit ?? this.unit,
       conversionOfSm: conversionOfSm ?? this.conversionOfSm,
+      introAttributes: introAttributes ?? this.introAttributes,
       isActive: isActive ?? this.isActive,
       isFeatured: isFeatured ?? this.isFeatured,
       erpnextItemCode: erpnextItemCode ?? this.erpnextItemCode,
@@ -426,6 +492,7 @@ class ProductModel extends HiveObject {
       brand: brand,
       unit: unit,
       conversionOfSm: conversionOfSm,
+      introAttributes: introAttributesList,
       isActive: isActive,
       isFeatured: isFeatured,
       erpnextItemCode: erpnextItemCode,

lib/features/products/data/models/product_model.g.dart

@@ -30,6 +30,7 @@ class ProductModelAdapter extends TypeAdapter<ProductModel> {
       brand: fields[10] as String?,
       unit: fields[11] as String?,
       conversionOfSm: (fields[17] as num?)?.toDouble(),
+      introAttributes: fields[18] as String?,
       isActive: fields[12] as bool,
       isFeatured: fields[13] as bool,
       erpnextItemCode: fields[14] as String?,
@@ -41,7 +42,7 @@ class ProductModelAdapter extends TypeAdapter<ProductModel> {
   @override
   void write(BinaryWriter writer, ProductModel obj) {
     writer
-      ..writeByte(18)
+      ..writeByte(19)
       ..writeByte(0)
       ..write(obj.productId)
       ..writeByte(1)
@@ -77,7 +78,9 @@ class ProductModelAdapter extends TypeAdapter<ProductModel> {
       ..writeByte(16)
       ..write(obj.updatedAt)
       ..writeByte(17)
-      ..write(obj.conversionOfSm);
+      ..write(obj.conversionOfSm)
+      ..writeByte(18)
+      ..write(obj.introAttributes);
   }
 
   @override