Added LastUpdatedBefore to OrderList

added LastUpdatedBefore to OrderList so it can be used to make sure we don't miss any orders

Author: dansharpe83

Source/FikaAmazonAPI/AmazonSpApiSDK/Models/Orders/OrderList.cs

@@ -32,6 +32,7 @@ public OrderList() : base()
         }
 
         public string NextToken { get; set; }
+        public DateTime? LastUpdatedBefore { get; set; }
 
         /// <summary>
         /// Returns the string presentation of the object

Source/FikaAmazonAPI/Services/OrderService.cs

@@ -1,4 +1,5 @@
-using FikaAmazonAPI.AmazonSpApiSDK.Models.Orders;
+using System;
+using FikaAmazonAPI.AmazonSpApiSDK.Models.Orders;
 using FikaAmazonAPI.AmazonSpApiSDK.Models.Token;
 using FikaAmazonAPI.Parameter.Order;
 using FikaAmazonAPI.Search;
@@ -51,6 +52,9 @@ public async Task<OrderList> GetOrdersAsync(ParameterOrderList searchOrderList,
             var response = await ExecuteRequestAsync<GetOrdersResponse>(Utils.RateLimitType.Order_GetOrders, cancellationToken);
             var nextToken = response.Payload.NextToken;
             orderList = response.Payload.Orders;
+            if (!string.IsNullOrWhiteSpace(response.Payload.LastUpdatedBefore))
+                orderList.LastUpdatedBefore = DateTime.Parse(response.Payload.LastUpdatedBefore);
+
             int PageCount = 1;
             if (searchOrderList.MaxNumberOfPages.HasValue && searchOrderList.MaxNumberOfPages.Value == 1)
             {