I got an error import 'dart:convert'; import 'package:fitstand/src/models/customer/menu_items_model.dart'; // Assuming OrderItem needs MenuItem // Example Order Model - Adjust fields and types based on your ACTUAL backend response class Order { final int id; final int? userId; final int? restaurantId; final int? addressId; final Map? deliveryAddressSnapshot; // Store as Map final double? totalAmount; final String? paymentGateway; final String? paymentId; final String? paymentStatus; final String? orderStatus; final String? razorpayOrderId; final DateTime? orderDate; // Use DateTime for created_at/updated_at final String? restaurantName; // Add if backend includes it via relationship final List? items; // List of order items final double? subTotal; // Added field final double? deliveryCharge; // Added field Order({ required this.id, this.userId, this.restaurantId, this.addressId, this.deliveryAddressSnapshot, this.totalAmount, this.paymentGateway, this.paymentId, this.paymentStatus, this.orderStatus, this.razorpayOrderId, this.orderDate, this.restaurantName, this.items, this.subTotal, // Added to constructor this.deliveryCharge, // Added to constructor }); factory Order.fromJson(Map json) { // Helper to safely parse DateTime DateTime? parseOptionalDate(String? dateString) { if (dateString == null) return null; try { return DateTime.parse(dateString).toLocal(); } // Convert to local time catch (e) { print("Error parsing date: $dateString"); return null; } } // Helper to safely decode JSON string if needed (depends on backend response) Map? decodeJsonString(dynamic jsonField) { if (jsonField == null) return null; if (jsonField is Map) return jsonField; // Already a map if (jsonField is String) { try { // *** Use the imported jsonDecode *** return jsonDecode(jsonField) as Map?; // ********************************** } catch (e) { print("Error decoding JSON string field: $e"); return null; } } return null; // Not a map or string } return Order( id: json['id'] as int? ?? 0, // Handle potential null ID? Unlikely but safe. userId: json['user_id'] as int?, restaurantId: json['restaurant_id'] as int?, addressId: json['address_id'] as int?, // Use helper in case backend sends string OR map deliveryAddressSnapshot: decodeJsonString(json['delivery_address_snapshot']), //totalAmount: double.tryParse(json['total_amount']?.toString() ?? '0.0'), totalAmount: _parseDouble(json['total_amount']), subTotal: _parseDouble(json['sub_total']), deliveryCharge: _parseDouble(json['delivery_charge']), paymentGateway: json['payment_gateway'] as String?, paymentId: json['payment_id'] as String?, paymentStatus: json['payment_status'] as String?, orderStatus: json['order_status'] as String?, razorpayOrderId: json['razorpay_order_id'] as String?, orderDate: parseOptionalDate(json['created_at']), // Parse created_at // Add restaurant name parsing if backend includes it (e.g., via relationship) restaurantName: json['restaurant']?['name'] as String?, // Example if nested under 'restaurant' // Parse items list if included in the response items: json['items'] != null && json['items'] is List ? (json['items'] as List).map((itemJson) => OrderItem.fromJson(itemJson)).toList() : null, //subTotal: json['sub_total']?.toDouble(), // Added to fromJson //deliveryCharge: json['delivery_charge']?.toDouble(), // Added to fromJson ); } static double? _parseDouble(dynamic value) { if (value == null) return null; if (value is double) return value; if (value is int) return value.toDouble(); if (value is String) return double.tryParse(value); return null; } } class OrderItem { final int id; final int? orderId; final int? menuItemId; final int? quantity; final double? price; final String? specialRequest; // Add fields from related MenuItem if backend includes them final String? menuItemName; final String? menuItemPhoto; final String? menuItemFoodType; // Add food type // You might have the full MenuItem object nested final MenuItem? menuItem; // Example if the full item is nested OrderItem({ required this.id, this.orderId, this.menuItemId, this.quantity, this.price, this.specialRequest, this.menuItemName, this.menuItemPhoto, this.menuItemFoodType, this.menuItem, // Add to constructor }); factory OrderItem.fromJson(Map json) { return OrderItem( id: json['id'] as int? ?? 0, orderId: json['order_id'] as int?, menuItemId: json['menu_item_id'] as int?, quantity: json['quantity'] as int?, //price: double.tryParse(json['price']?.toString() ?? '0.0'), price: _parseDouble(json['price']), specialRequest: json['special_request'] as String?, // Parse nested menu item details if backend sends them // Adjust keys ('menu_item', 'item_name', 'photo') based on your actual API response menuItemName: json['menu_item']?['item_name'] as String?, //menuItemPhoto: json['menu_item']?['photo'] as String?, menuItemPhoto: json['menu_item_photo'] ?? json['menu_item']?['photo_url'] ?? json['menu_item']?['photo'], menuItemFoodType: json['menu_item']?['food_type'] as String?, // If the full MenuItem object is nested under 'menu_item': menuItem: json['menu_item'] != null ? MenuItem.fromJson(json['menu_item']) : null, ); } static double? _parseDouble(dynamic value) { if (value == null) return null; if (value is double) return value; if (value is int) return value.toDouble(); if (value is String) return double.tryParse(value); return null; } } when I was trying to see order details. My order_model.dart is: This happens after I have updated code for photo: My order_model.dart code is: import 'dart:convert'; import 'package:fitstand/src/models/customer/menu_items_model.dart'; // Assuming OrderItem needs MenuItem // Example Order Model - Adjust fields and types based on your ACTUAL backend response class Order { final int id; final int? userId; final int? restaurantId; final int? addressId; final Map? deliveryAddressSnapshot; // Store as Map final double? totalAmount; final String? paymentGateway; final String? paymentId; final String? paymentStatus; final String? orderStatus; final String? razorpayOrderId; final DateTime? orderDate; // Use DateTime for created_at/updated_at final String? restaurantName; // Add if backend includes it via relationship final List? items; // List of order items final double? subTotal; // Added field final double? deliveryCharge; // Added field Order({ required this.id, this.userId, this.restaurantId, this.addressId, this.deliveryAddressSnapshot, this.totalAmount, this.paymentGateway, this.paymentId, this.paymentStatus, this.orderStatus, this.razorpayOrderId, this.orderDate, this.restaurantName, this.items, this.subTotal, // Added to constructor this.deliveryCharge, // Added to constructor }); factory Order.fromJson(Map json) { // Helper to safely parse DateTime DateTime? parseOptionalDate(String? dateString) { if (dateString == null) return null; try { return DateTime.parse(dateString).toLocal(); } // Convert to local time catch (e) { print("Error parsing date: $dateString"); return null; } } // Helper to safely decode JSON string if needed (depends on backend response) Map? decodeJsonString(dynamic jsonField) { if (jsonField == null) return null; if (jsonField is Map) return jsonField; // Already a map if (jsonField is String) { try { // *** Use the imported jsonDecode *** return jsonDecode(jsonField) as Map?; // ********************************** } catch (e) { print("Error decoding JSON string field: $e"); return null; } } return null; // Not a map or string } return Order( id: json['id'] as int? ?? 0, // Handle potential null ID? Unlikely but safe. userId: json['user_id'] as int?, restaurantId: json['restaurant_id'] as int?, addressId: json['address_id'] as int?, // Use helper in case backend sends string OR map deliveryAddressSnapshot: decodeJsonString(json['delivery_address_snapshot']), //totalAmount: double.tryParse(json['total_amount']?.toString() ?? '0.0'), totalAmount: _parseDouble(json['total_amount']), subTotal: _parseDouble(json['sub_total']), deliveryCharge: _parseDouble(json['delivery_charge']), paymentGateway: json['payment_gateway'] as String?, paymentId: json['payment_id'] as String?, paymentStatus: json['payment_status'] as String?, orderStatus: json['order_status'] as String?, razorpayOrderId: json['razorpay_order_id'] as String?, orderDate: parseOptionalDate(json['created_at']), // Parse created_at // Add restaurant name parsing if backend includes it (e.g., via relationship) restaurantName: json['restaurant']?['name'] as String?, // Example if nested under 'restaurant' // Parse items list if included in the response items: json['items'] != null && json['items'] is List ? (json['items'] as List).map((itemJson) => OrderItem.fromJson(itemJson)).toList() : null, //subTotal: json['sub_total']?.toDouble(), // Added to fromJson //deliveryCharge: json['delivery_charge']?.toDouble(), // Added to fromJson ); } static double? _parseDouble(dynamic value) { if (value == null) return null; if (value is double) return value; if (value is int) return value.toDouble(); if (value is String) return double.tryParse(value); return null; } } class OrderItem { final int id; final int? orderId; final int? menuItemId; final int? quantity; final double? price; final String? specialRequest; // Add fields from related MenuItem if backend includes them final String? menuItemName; final String? menuItemPhoto; final String? menuItemFoodType; // Add food type // You might have the full MenuItem object nested final MenuItem? menuItem; // Example if the full item is nested OrderItem({ required this.id, this.orderId, this.menuItemId, this.quantity, this.price, this.specialRequest, this.menuItemName, this.menuItemPhoto, this.menuItemFoodType, this.menuItem, // Add to constructor }); factory OrderItem.fromJson(Map json) { return OrderItem( id: json['id'] as int? ?? 0, orderId: json['order_id'] as int?, menuItemId: json['menu_item_id'] as int?, quantity: json['quantity'] as int?, //price: double.tryParse(json['price']?.toString() ?? '0.0'), price: _parseDouble(json['price']), specialRequest: json['special_request'] as String?, // Parse nested menu item details if backend sends them // Adjust keys ('menu_item', 'item_name', 'photo') based on your actual API response menuItemName: json['menu_item']?['item_name'] as String?, //menuItemPhoto: json['menu_item']?['photo'] as String?, menuItemPhoto: json['menu_item_photo'] ?? json['menu_item']?['photo_url'] ?? json['menu_item']?['photo'], menuItemFoodType: json['menu_item']?['food_type'] as String?, // If the full MenuItem object is nested under 'menu_item': menuItem: json['menu_item'] != null ? MenuItem.fromJson(json['menu_item']) : null, ); } static double? _parseDouble(dynamic value) { if (value == null) return null; if (value is double) return value; if (value is int) return value.toDouble(); if (value is String) return double.tryParse(value); return null; } }