void

lib/infrastructure/order/datasources/remote_data_provider.dart

@@ -1,5 +1,6 @@
 import 'dart:developer';
 
+import 'package:dartz/dartz.dart';
 import 'package:data_channel/data_channel.dart';
 import 'package:injectable/injectable.dart';
 import 'package:intl/intl.dart';
@@ -202,4 +203,37 @@ class OrderRemoteDataProvider {
       return DC.error(OrderFailure.serverError(e));
     }
   }
+
+  Future<DC<OrderFailure, Unit>> voidOrder({
+    required String orderId,
+    required String reason,
+    String type = "ITEM", // TYPE: ALL, ITEM
+    required List<OrderItemDto> orderItems,
+  }) async {
+    try {
+      final response = await _apiClient.post(
+        '${ApiPath.orders}/void',
+        data: {
+          'order_id': orderId,
+          'type': orderItems.isEmpty ? "ALL" : type,
+          'reason': reason,
+          "items": orderItems
+              .map(
+                (item) => {'order_item_id': item.id, "quantity": item.quantity},
+              )
+              .toList(),
+        },
+        headers: getAuthorizationHeader(),
+      );
+
+      if (response.data['success'] == false) {
+        return DC.error(OrderFailure.unexpectedError());
+      }
+
+      return DC.data(unit);
+    } on ApiFailure catch (e, s) {
+      log('voidOrderError', name: _logName, error: e, stackTrace: s);
+      return DC.error(OrderFailure.serverError(e));
+    }
+  }
 }

lib/infrastructure/order/dtos/order_dto.dart

@@ -136,4 +136,23 @@ class OrderItemDto with _$OrderItemDto {
     printerType: printerType ?? '',
     paidQuantity: paidQuantity ?? 0,
   );
+
+  factory OrderItemDto.fromDomain(OrderItem orderItem) => OrderItemDto(
+    id: orderItem.id,
+    orderId: orderItem.orderId,
+    productId: orderItem.productId,
+    productName: orderItem.productName,
+    productVariantId: orderItem.productVariantId,
+    productVariantName: orderItem.productVariantName,
+    quantity: orderItem.quantity,
+    unitPrice: orderItem.unitPrice,
+    totalPrice: orderItem.totalPrice,
+    modifiers: orderItem.modifiers,
+    notes: orderItem.notes,
+    status: orderItem.status,
+    createdAt: orderItem.createdAt.toIso8601String(),
+    updatedAt: orderItem.updatedAt.toIso8601String(),
+    printerType: orderItem.printerType,
+    paidQuantity: orderItem.paidQuantity,
+  );
 }

lib/infrastructure/order/dtos/order_request_dto.dart

@@ -98,11 +98,18 @@ class OrderItemRequestDto with _$OrderItemRequestDto {
         notes: request.notes,
       );
 
-  Map<String, dynamic> toRequest() => {
-    "product_id": productId,
-    "product_variant_id": productVariantId,
-    "quantity": quantity,
-    "unit_price": unitPrice,
-    "notes": notes,
-  };
+  Map<String, dynamic> toRequest() {
+    Map<String, dynamic> data = {
+      "product_id": productId,
+      "quantity": quantity,
+      "unit_price": unitPrice,
+      "notes": notes,
+    };
+
+    if (productVariantId != null && productVariantId != '') {
+      data["product_variant_id"] = productVariantId;
+    }
+
+    return data;
+  }
 }

lib/infrastructure/order/repositories/order_repository.dart

@@ -151,4 +151,30 @@ class OrderRepository implements IOrderRepository {
       return left(const OrderFailure.unexpectedError());
     }
   }
+
+  @override
+  Future<Either<OrderFailure, Unit>> voidOrder({
+    required String orderId,
+    required String reason,
+    String type = "ITEM",
+    required List<OrderItem> orderItems,
+  }) async {
+    try {
+      final result = await _dataProvider.voidOrder(
+        orderId: orderId,
+        reason: reason,
+        type: type,
+        orderItems: orderItems.map((e) => OrderItemDto.fromDomain(e)).toList(),
+      );
+
+      if (result.hasError) {
+        return left(result.error!);
+      }
+
+      return right(unit);
+    } catch (e) {
+      log('voidOrderError', name: _logName, error: e);
+      return left(const OrderFailure.unexpectedError());
+    }
+  }
 }