fix #242

Author: abuzuhri

Source/FikaAmazonAPI.SampleCode/Program.cs

@@ -44,6 +44,7 @@ static async Task Main(string[] args)
                 ItemCondition = ItemCondition.New,
             });
 
+            var obb = amazonConnection.ProductPricing.LastResponseHeader;
 
             //use this method automatically know if the report are RDT or not
             var data2222 = amazonConnection.Reports.CreateReportAndDownloadFile(ReportTypes.GET_FLAT_FILE_ACTIONABLE_ORDER_DATA_SHIPPING, DateTime.UtcNow.AddDays(-2), DateTime.UtcNow, null);

Source/FikaAmazonAPI/Services/RequestService.cs

@@ -29,7 +29,7 @@ public class RequestService : ApiUrls
         protected string AmazonSandboxUrl { get; set; }
         protected string AmazonProductionUrl { get; set; }
         protected string AccessToken { get; set; }
-
+        protected IList<KeyValuePair<string, string>> LastHeaders { get; set; }
         protected string ApiBaseUrl
         {
             get
@@ -105,6 +105,7 @@ protected void CreateAuthorizedPagedRequest(AmazonFilter filter, string url, Res
             AddAccessToken();
             Request = await TokenGeneration.SignWithSTSKeysAndSecurityTokenAsync(Request, RequestClient.BaseUrl.Host, AmazonCredential);
             var response = await RequestClient.ExecuteAsync<T>(Request);
+            SaveLastRequestHeader(response.Headers);
             SleepForRateLimit(response.Headers, rateLimitType);
             ParseResponse(response);
 
@@ -114,6 +115,18 @@ protected void CreateAuthorizedPagedRequest(AmazonFilter filter, string url, Res
             }
             return response.Data;
         }
+        private void SaveLastRequestHeader(IList<RestSharp.Parameter> parameters)
+        {
+            LastHeaders = new List<KeyValuePair<string, string>>();
+            foreach (RestSharp.Parameter parameter in parameters)
+            {
+                if (parameter != null && parameter.Name != null && parameter.Value != null)
+                {
+                    LastHeaders.Add(new KeyValuePair<string, string>(parameter.Name.ToString(), parameter.Value.ToString()));
+                }
+            }
+
+        }
         private void RestHeader()
         {
             Request.Parameters.RemoveAll(parameter => ParameterType.HttpHeader.Equals(parameter.Type)
@@ -199,7 +212,7 @@ private void SleepForRateLimit(IList<RestSharp.Parameter> headers, RateLimitType
         {
             var response = await RequestClient.ExecuteAsync<T>(Request);
             ParseResponse(response);
-
+            SaveLastRequestHeader(response.Headers);
             if (response.StatusCode == HttpStatusCode.OK && !string.IsNullOrEmpty(response.Content) && response.Data == null)
             {
                 response.Data = JsonConvert.DeserializeObject<T>(response.Content);
@@ -327,6 +340,7 @@ protected async Task RefreshTokenAsync(TokenDataType tokenDataType = TokenDataTy
 
             AccessToken = token.access_token;
         }
+        public IList<KeyValuePair<string, string>> LastResponseHeader => LastHeaders;
 
         public CreateRestrictedDataTokenResponse CreateRestrictedDataToken(CreateRestrictedDataTokenRequest createRestrictedDataTokenRequest)
         {