Use the refunded item id to obtain the item attributes.

Author: toupper

WooCommerce/Classes/Tools/AggregateData/AggregateDataHelper.swift

@@ -19,7 +19,7 @@ final class AggregateDataHelper {
 
     /// Combine all refunded products into a single data source
     ///
-    static func combineRefundedProducts(from refunds: [Refund]) -> [AggregateOrderItem]? {
+    static func combineRefundedProducts(from refunds: [Refund], orderItems: [OrderItem]) -> [AggregateOrderItem]? {
         /// OrderItemRefund.orderItemID isn't useful for finding duplicates
         /// because multiple refunds cause orderItemIDs to be unique.
         /// Instead, we need to find duplicate *Products*.
@@ -49,6 +49,8 @@ final class AggregateDataHelper {
                 .compactMap { currency.convertToDecimal($0.total) }
                 .reduce(NSDecimalNumber(value: 0), { $0.adding($1) })
 
+            let attributes = orderItems.first(where: { $0.itemID == item.refundedItemID })?.attributes ?? []
+
             return AggregateOrderItem(
                 productID: item.productID,
                 variationID: item.variationID,
@@ -57,7 +59,7 @@ final class AggregateDataHelper {
                 quantity: totalQuantity,
                 sku: item.sku,
                 total: total,
-                attributes: []
+                attributes: attributes
             )
         }
 
@@ -70,7 +72,7 @@ final class AggregateDataHelper {
     /// to get a tally for the quantity and item total
     ///
     static func combineOrderItems(_ items: [OrderItem], with refunds: [Refund]) -> [AggregateOrderItem] {
-        guard let refundedProducts = combineRefundedProducts(from: refunds) else {
+        guard let refundedProducts = combineRefundedProducts(from: refunds, orderItems: items) else {
             fatalError("Error: attempted to calculate aggregate order item data with no refunded products.")
         }
 

WooCommerce/Classes/ViewModels/Order Details/OrderDetailsDataSource.swift

@@ -193,7 +193,7 @@ final class OrderDetailsDataSource: NSObject {
     /// Combine refunded order items to show refunded products
     ///
     var refundedProducts: [AggregateOrderItem]? {
-        return AggregateDataHelper.combineRefundedProducts(from: refunds)
+        return AggregateDataHelper.combineRefundedProducts(from: refunds, orderItems: items)
     }
 
     /// Calculate the new order item quantities and totals after refunded products have altered the fields