update keep alive filter

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

@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:hive_ce/hive.dart';
 
+import 'package:worker/core/constants/api_constants.dart';
 import 'package:worker/core/constants/storage_constants.dart';
 import 'package:worker/features/products/domain/entities/product.dart';
 
@@ -141,61 +142,101 @@ class ProductModel extends HiveObject {
   ///
   /// Maps Frappe Item doctype fields to our ProductModel structure.
   /// Frappe fields:
-  /// - name: Item code (e.g., "GIB20 G02")
+  /// - name: Item code (e.g., "CHG S01P")
   /// - item_name: Display name
   /// - description: Product description
-  /// - standard_rate: Price
+  /// - price: Price (from product detail API)
+  /// - standard_rate: Price (from product list API)
   /// - stock_uom: Unit of measurement
-  /// - image: Image path
-  /// - thumbnail: Thumbnail image path
+  /// - thumbnail: Thumbnail image URL
+  /// - image_list: Array of images with image_url
   /// - brand: Brand name
-  /// - item_group: Category/group
+  /// - item_group_name: Category/group name
   /// - custom_link_360: Custom 360 view link
+  /// - attributes: Array of product attributes (Size, Color, Surface, etc.)
   factory ProductModel.fromFrappeJson(Map<String, dynamic> json) {
-    // Handle image - prepend base URL if needed
-    String? imageUrl;
-    if (json['image'] != null && (json['image'] as String).isNotEmpty) {
-      final imagePath = json['image'] as String;
-      if (imagePath.startsWith('/')) {
-        imageUrl = 'https://land.dbiz.com$imagePath';
-      } else if (imagePath.startsWith('http')) {
-        imageUrl = imagePath;
-      } else {
-        imageUrl = 'https://land.dbiz.com/$imagePath';
-      }
-    }
-
     // Handle thumbnail - prepend base URL if needed
     String? thumbnailUrl;
     if (json['thumbnail'] != null && (json['thumbnail'] as String).isNotEmpty) {
       final thumbnailPath = json['thumbnail'] as String;
       if (thumbnailPath.startsWith('/')) {
-        thumbnailUrl = 'https://land.dbiz.com$thumbnailPath';
+        thumbnailUrl = '${ApiConstants.baseUrl}$thumbnailPath';
       } else if (thumbnailPath.startsWith('http')) {
         thumbnailUrl = thumbnailPath;
       } else {
-        thumbnailUrl = 'https://land.dbiz.com/$thumbnailPath';
+        thumbnailUrl = '${ApiConstants.baseUrl}/$thumbnailPath';
       }
     }
 
-    // Convert single image to list format
-    final imagesList = imageUrl != null ? [imageUrl] : [];
+    // Handle image_list array (from product detail API)
+    final List<String> imagesList = [];
+    final Map<String, String> imageCaptionsMap = {};
+
+    if (json['image_list'] != null && json['image_list'] is List) {
+      final imageListData = json['image_list'] as List;
+      for (final imgData in imageListData) {
+        if (imgData is Map<String, dynamic> && imgData['image_url'] != null) {
+          final imageUrl = imgData['image_url'] as String;
+          imagesList.add(imageUrl);
+
+          // Store image caption (image_name: A, B, C, etc.)
+          if (imgData['image_name'] != null) {
+            imageCaptionsMap[imageUrl] = imgData['image_name'] as String;
+          }
+        }
+      }
+    }
+    // Fallback to single image field (from product list API)
+    else if (json['image'] != null && (json['image'] as String).isNotEmpty) {
+      final imagePath = json['image'] as String;
+      String imageUrl;
+      if (imagePath.startsWith('/')) {
+        imageUrl = '${ApiConstants.baseUrl}$imagePath';
+      } else if (imagePath.startsWith('http')) {
+        imageUrl = imagePath;
+      } else {
+        imageUrl = '${ApiConstants.baseUrl}/$imagePath';
+      }
+      imagesList.add(imageUrl);
+    }
+
+    // Parse attributes array into specifications map
+    final Map<String, dynamic> specificationsMap = {};
+    if (json['attributes'] != null && json['attributes'] is List) {
+      final attributesData = json['attributes'] as List;
+      for (final attr in attributesData) {
+        if (attr is Map<String, dynamic> &&
+            attr['attribute_name'] != null &&
+            attr['attribute_value'] != null) {
+          specificationsMap[attr['attribute_name'] as String] =
+              attr['attribute_value'] as String;
+        }
+      }
+    }
 
     final now = DateTime.now();
 
+    // Handle price from both product detail (price) and product list (standard_rate)
+    final price = (json['price'] as num?)?.toDouble() ??
+        (json['standard_rate'] as num?)?.toDouble() ??
+        0.0;
+
     return ProductModel(
       productId: json['name'] as String, // Item code
       name: json['item_name'] as String? ?? json['name'] as String,
       description: json['description'] as String?,
-      basePrice: (json['standard_rate'] as num?)?.toDouble() ?? 0.0,
+      basePrice: price,
       images: imagesList.isNotEmpty ? jsonEncode(imagesList) : null,
       thumbnail: thumbnailUrl,
-      imageCaptions: null, // Not provided by API
-      customLink360: json['custom_link_360'] as String?,
-      specifications: json['specifications'] != null
-          ? jsonEncode(json['specifications'])
+      imageCaptions: imageCaptionsMap.isNotEmpty
+          ? jsonEncode(imageCaptionsMap)
           : null,
-      category: json['item_group'] as String?, // Frappe uses item_group
+      customLink360: json['custom_link_360'] as String?,
+      specifications: specificationsMap.isNotEmpty
+          ? jsonEncode(specificationsMap)
+          : null,
+      category: json['item_group_name'] as String? ??
+          json['item_group'] as String?, // Try item_group_name first, fallback to item_group
       brand: json['brand'] as String?,
       unit: json['stock_uom'] as String? ?? 'm²',
       isActive: (json['disabled'] as int?) == 0, // Frappe uses 'disabled' field

lib/features/products/presentation/pages/products_page.dart

@@ -11,6 +11,7 @@ import 'package:worker/core/router/app_router.dart';
 import 'package:worker/core/theme/colors.dart';
 import 'package:worker/features/cart/presentation/providers/cart_provider.dart';
 import 'package:worker/features/products/presentation/providers/categories_provider.dart';
+import 'package:worker/features/products/presentation/providers/product_filter_options_provider.dart';
 import 'package:worker/features/products/presentation/providers/products_provider.dart';
 import 'package:worker/features/products/presentation/widgets/category_filter_chips.dart';
 import 'package:worker/features/products/presentation/widgets/product_filter_drawer.dart';
@@ -31,11 +32,14 @@ class ProductsPage extends ConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final l10n = AppLocalizations.of(context)!;
+    final l10n = AppLocalizations.of(context);
     final categoriesAsync = ref.watch(categoriesProvider);
     final productsAsync = ref.watch(productsProvider);
     final cartItemCount = ref.watch(cartItemCountProvider);
 
+    // Preload filter options for better UX when opening filter drawer
+    ref.watch(productFilterOptionsProvider);
+
     return Scaffold(
       backgroundColor: const Color(0xFFF4F6F8), // Match HTML background
       endDrawer: const ProductFilterDrawer(),

lib/features/products/presentation/providers/product_filter_options_provider.dart

@@ -90,6 +90,9 @@ class FilterOption {
 /// 2. Product Brands
 /// 3. Product Attributes
 ///
+/// Memory footprint: ~5-15 KB (negligible)
+/// Cache strategy: Keep alive for session duration
+///
 /// Usage:
 /// ```dart
 /// final filterOptionsAsync = ref.watch(productFilterOptionsProvider);
@@ -100,7 +103,7 @@ class FilterOption {
 ///   error: (error, stack) => ErrorWidget(error),
 /// );
 /// ```
-@riverpod
+@Riverpod(keepAlive: true)
 Future<ProductFilterOptions> productFilterOptions(Ref ref) async {
   try {
     // Get remote datasource

lib/features/products/presentation/providers/product_filter_options_provider.g.dart

@@ -15,6 +15,9 @@ part of 'product_filter_options_provider.dart';
 /// 2. Product Brands
 /// 3. Product Attributes
 ///
+/// Memory footprint: ~5-15 KB (negligible)
+/// Cache strategy: Keep alive for session duration
+///
 /// Usage:
 /// ```dart
 /// final filterOptionsAsync = ref.watch(productFilterOptionsProvider);
@@ -36,6 +39,9 @@ const productFilterOptionsProvider = ProductFilterOptionsProvider._();
 /// 2. Product Brands
 /// 3. Product Attributes
 ///
+/// Memory footprint: ~5-15 KB (negligible)
+/// Cache strategy: Keep alive for session duration
+///
 /// Usage:
 /// ```dart
 /// final filterOptionsAsync = ref.watch(productFilterOptionsProvider);
@@ -64,6 +70,9 @@ final class ProductFilterOptionsProvider
   /// 2. Product Brands
   /// 3. Product Attributes
   ///
+  /// Memory footprint: ~5-15 KB (negligible)
+  /// Cache strategy: Keep alive for session duration
+  ///
   /// Usage:
   /// ```dart
   /// final filterOptionsAsync = ref.watch(productFilterOptionsProvider);
@@ -80,7 +89,7 @@ final class ProductFilterOptionsProvider
         argument: null,
         retry: null,
         name: r'productFilterOptionsProvider',
-        isAutoDispose: true,
+        isAutoDispose: false,
         dependencies: null,
         $allTransitiveDependencies: null,
       );
@@ -101,4 +110,4 @@ final class ProductFilterOptionsProvider
 }
 
 String _$productFilterOptionsHash() =>
-    r'394f47113bc2afeea8a0a4548df826900884644b';
+    r'253586215f05ca2fd1ccae7922b5925150614af0';