update cart/favorite

lib/features/cart/data/datasources/cart_remote_datasource.dart

@@ -190,15 +190,21 @@ class CartRemoteDataSourceImpl implements CartRemoteDataSource {
         try {
           // Map API response to CartItemModel
           // API fields: name, item, quantity, amount, item_code, item_name, image, conversion_of_sm
+          final quantity = (item['quantity'] as num?)?.toDouble() ?? 0.0;
+          final unitPrice = (item['amount'] as num?)?.toDouble() ?? 0.0;
+
           final cartItem = CartItemModel(
             cartItemId: item['name'] as String? ?? '',
             cartId: 'user_cart', // Fixed cart ID for user's cart
             productId: item['item_code'] as String? ?? item['item'] as String? ?? '',
-            quantity: (item['quantity'] as num?)?.toDouble() ?? 0.0,
-            unitPrice: (item['amount'] as num?)?.toDouble() ?? 0.0,
-            subtotal: ((item['quantity'] as num?)?.toDouble() ?? 0.0) *
-                     ((item['amount'] as num?)?.toDouble() ?? 0.0),
+            quantity: quantity,
+            unitPrice: unitPrice,
+            subtotal: quantity * unitPrice,
             addedAt: DateTime.now(), // API doesn't provide timestamp
+            // Product details from cart API - no need to fetch separately
+            itemName: item['item_name'] as String?,
+            image: item['image'] as String?,
+            conversionOfSm: (item['conversion_of_sm'] as num?)?.toDouble(),
           );
 
           cartItems.add(cartItem);

lib/features/cart/data/models/cart_item_model.dart

@@ -1,9 +1,12 @@
 import 'package:hive_ce/hive.dart';
 import 'package:worker/core/constants/storage_constants.dart';
+import 'package:worker/features/cart/domain/entities/cart_item.dart';
 
 part 'cart_item_model.g.dart';
 
 /// Cart Item Model - Type ID: 5
+///
+/// Includes product details from cart API to avoid fetching each product.
 @HiveType(typeId: HiveTypeIds.cartItemModel)
 class CartItemModel extends HiveObject {
   CartItemModel({
@@ -14,6 +17,9 @@ class CartItemModel extends HiveObject {
     required this.unitPrice,
     required this.subtotal,
     required this.addedAt,
+    this.itemName,
+    this.image,
+    this.conversionOfSm,
   });
 
   @HiveField(0)
@@ -37,6 +43,18 @@ class CartItemModel extends HiveObject {
   @HiveField(6)
   final DateTime addedAt;
 
+  /// Product name from cart API
+  @HiveField(7)
+  final String? itemName;
+
+  /// Product image URL from cart API
+  @HiveField(8)
+  final String? image;
+
+  /// Conversion factor (m² to tiles) from cart API
+  @HiveField(9)
+  final double? conversionOfSm;
+
   factory CartItemModel.fromJson(Map<String, dynamic> json) {
     return CartItemModel(
       cartItemId: json['cart_item_id'] as String,
@@ -67,6 +85,9 @@ class CartItemModel extends HiveObject {
     double? unitPrice,
     double? subtotal,
     DateTime? addedAt,
+    String? itemName,
+    String? image,
+    double? conversionOfSm,
   }) => CartItemModel(
     cartItemId: cartItemId ?? this.cartItemId,
     cartId: cartId ?? this.cartId,
@@ -75,5 +96,22 @@ class CartItemModel extends HiveObject {
     unitPrice: unitPrice ?? this.unitPrice,
     subtotal: subtotal ?? this.subtotal,
     addedAt: addedAt ?? this.addedAt,
+    itemName: itemName ?? this.itemName,
+    image: image ?? this.image,
+    conversionOfSm: conversionOfSm ?? this.conversionOfSm,
+  );
+
+  /// Convert to domain entity
+  CartItem toEntity() => CartItem(
+    cartItemId: cartItemId,
+    cartId: cartId,
+    productId: productId,
+    quantity: quantity,
+    unitPrice: unitPrice,
+    subtotal: subtotal,
+    addedAt: addedAt,
+    itemName: itemName,
+    image: image,
+    conversionOfSm: conversionOfSm,
   );
 }

lib/features/cart/data/models/cart_item_model.g.dart

@@ -24,13 +24,16 @@ class CartItemModelAdapter extends TypeAdapter<CartItemModel> {
       unitPrice: (fields[4] as num).toDouble(),
       subtotal: (fields[5] as num).toDouble(),
       addedAt: fields[6] as DateTime,
+      itemName: fields[7] as String?,
+      image: fields[8] as String?,
+      conversionOfSm: (fields[9] as num?)?.toDouble(),
     );
   }
 
   @override
   void write(BinaryWriter writer, CartItemModel obj) {
     writer
-      ..writeByte(7)
+      ..writeByte(10)
       ..writeByte(0)
       ..write(obj.cartItemId)
       ..writeByte(1)
@@ -44,7 +47,13 @@ class CartItemModelAdapter extends TypeAdapter<CartItemModel> {
       ..writeByte(5)
       ..write(obj.subtotal)
       ..writeByte(6)
-      ..write(obj.addedAt);
+      ..write(obj.addedAt)
+      ..writeByte(7)
+      ..write(obj.itemName)
+      ..writeByte(8)
+      ..write(obj.image)
+      ..writeByte(9)
+      ..write(obj.conversionOfSm);
   }
 
   @override

lib/features/cart/data/repositories/cart_repository_impl.dart

@@ -36,6 +36,7 @@ class CartRepositoryImpl implements CartRepository {
     required List<String> itemIds,
     required List<double> quantities,
     required List<double> prices,
+    List<double?>? conversionFactors,
   }) async {
     try {
       // Validate input
@@ -48,11 +49,16 @@ class CartRepositoryImpl implements CartRepository {
       // Build API request items
       final items = <Map<String, dynamic>>[];
       for (int i = 0; i < itemIds.length; i++) {
-        items.add({
+        final item = <String, dynamic>{
           'item_id': itemIds[i],
           'quantity': quantities[i],
           'amount': prices[i],
-        });
+        };
+        // Add conversion_of_sm if provided
+        if (conversionFactors != null && i < conversionFactors.length) {
+          item['conversion_of_sm'] = conversionFactors[i] ?? 0.0;
+        }
+        items.add(item);
       }
 
       // Try API first
@@ -66,6 +72,7 @@ class CartRepositoryImpl implements CartRepository {
               productId: itemIds[i],
               quantity: quantities[i],
               unitPrice: prices[i],
+              conversionOfSm: conversionFactors?[i],
             );
             await _localDataSource.addCartItem(cartItemModel);
           }
@@ -80,6 +87,7 @@ class CartRepositoryImpl implements CartRepository {
               productId: itemIds[i],
               quantity: quantities[i],
               unitPrice: prices[i],
+              conversionOfSm: conversionFactors?[i],
             );
             await _localDataSource.addCartItem(cartItemModel);
           }
@@ -176,6 +184,7 @@ class CartRepositoryImpl implements CartRepository {
     required String itemId,
     required double quantity,
     required double price,
+    double? conversionFactor,
   }) async {
     try {
       // API doesn't have update endpoint, use add with new quantity
@@ -184,6 +193,7 @@ class CartRepositoryImpl implements CartRepository {
         itemIds: [itemId],
         quantities: [quantity],
         prices: [price],
+        conversionFactors: conversionFactor != null ? [conversionFactor] : null,
       );
     } catch (e) {
       throw UnknownException('Failed to update cart item quantity', e);
@@ -268,6 +278,9 @@ class CartRepositoryImpl implements CartRepository {
       unitPrice: model.unitPrice,
       subtotal: model.subtotal,
       addedAt: model.addedAt,
+      itemName: model.itemName,
+      image: model.image,
+      conversionOfSm: model.conversionOfSm,
     );
   }
 
@@ -276,6 +289,7 @@ class CartRepositoryImpl implements CartRepository {
     required String productId,
     required double quantity,
     required double unitPrice,
+    double? conversionOfSm,
   }) {
     return CartItemModel(
       cartItemId: DateTime.now().millisecondsSinceEpoch.toString(),
@@ -285,6 +299,7 @@ class CartRepositoryImpl implements CartRepository {
       unitPrice: unitPrice,
       subtotal: quantity * unitPrice,
       addedAt: DateTime.now(),
+      conversionOfSm: conversionOfSm,
     );
   }
 }