cmd/cart/pool-server.go

@@ -177,18 +177,20 @@ type SetCartItems struct {
 
 func getMultipleAddMessages(items []Item, country string) []proto.Message {
 	wg := sync.WaitGroup{}
+	mu := sync.Mutex{}
 	msgs := make([]proto.Message, 0, len(items))
 	for _, itm := range items {
-		wg.Add(1)
-		go func(itm Item) {
-			defer wg.Done()
+		wg.Go(
+			func() {
 				msg, err := GetItemAddMessage(itm.Sku, itm.Quantity, country, itm.StoreId)
 				if err != nil {
 					log.Printf("error adding item %s: %v", itm.Sku, err)
 					return
 				}
+				mu.Lock()
 				msgs = append(msgs, msg)
-		}(itm)
+				mu.Unlock()
+			})
 	}
 	wg.Wait()
 	return msgs