public string getResponse(string serviceURL, IDictionary <string, string> parms, bool retry)
{
try
{
Throttle.waitThrottle(parms["Action"], _acct);
AMZNHelper amznHelper = new AMZNHelper(_acct);
amznHelper.AddRequiredParameters(parms, serviceURL, true);
//var content2 = HttpUtility.UrlEncode(str, System.Text.Encoding.UTF8);
var content2 = new FormUrlEncodedContent(parms);
var requestUrl = serviceURL + "?" + content2.ReadAsStringAsync().Result;
url_called = requestUrl;
var start = DateTime.Now;
string rv = "";
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Clear();
// client.DefaultRequestHeaders.Add("Content-MD5", Convert.ToBase64String(MD5.Create().ComputeHash(UTF8Encoding.UTF8.GetBytes(postData))));
//client.BaseAddress = new Uri("requestUrl");
var content = new FormUrlEncodedContent(
parms
);
// Log.Error(_acct.AmazonAccountId, $"Requesting async {requestUrl}");
var task = client.GetAsync(requestUrl);
task.Wait(60000);
var bufTask = task.Result.Content.ReadAsByteArrayAsync();
var h = task.Result.Headers;
if (parms.ContainsKey("Action") && h.Contains("x-mws-quota-remaining") && h.Contains("x-mws-quota-resetsOn"))
{
Throttle.SetHourlyQuotaHold(parms["Action"], Single.Parse(h.GetValues("x-mws-quota-remaining").First()), DateTime.Parse(h.GetValues("x-mws-quota-resetsOn").First()), _acct);
}
bufTask.Wait(5000);
var byteArray = bufTask.Result.ToArray();
var responseString = Encoding.UTF8.GetString(byteArray, 0, byteArray.Length);
var taskString = task.Result.Content.ReadAsStringAsync();
rv = responseString;
if (task.Result.StatusCode != HttpStatusCode.OK)
{
Log.Warn(_acct.AmazonAccountId, $"Error Calling MWS {requestUrl} failed message:{rv} status: {task.Result.StatusCode}");
if (retry || task.Result.StatusCode == HttpStatusCode.ServiceUnavailable)
{
Log.Warn(_acct.AmazonAccountId, $"Retrying {requestUrl} in 2 mins Calling MWS ");
Thread.Sleep(120000);
return(getResponse(serviceURL, parms, false));
}
return(rv);
}
return(rv);
}
}
catch (Exception e)
{
Log.Error(_acct.AmazonAccountId, "Error in MWS Call", e);
return("");
}
}
public string getPostResponse(string serviceURL, IDictionary <string, string> parms, string postData, bool retry)
{
AMZNHelper amznHelper = new AMZNHelper(_acct);
amznHelper.AddRequiredParameters(parms, serviceURL, false);
Throttle.waitThrottle(parms["Action"], _acct);
//var content2 = HttpUtility.UrlEncode(str, System.Text.Encoding.UTF8);
var content2 = new FormUrlEncodedContent(parms);
var requestUrl = serviceURL + "?" + content2.ReadAsStringAsync().Result;
if (parms["Action"] != null)
{
Log.Info(_acct.AmazonAccountId, "calling " + serviceURL + " Action=" + parms["Action"]);
}
url_called = requestUrl;
//var postData = content2.ReadAsStringAsync().Result;
byte[] dataStream = Encoding.UTF8.GetBytes(postData);
url_called = requestUrl;
var start = DateTime.Now;
string rv;
Task <HttpResponseMessage> task;
lock (client)
{
client.DefaultRequestHeaders.Clear();
client.DefaultRequestHeaders.Add("Content-MD5", Convert.ToBase64String(MD5.Create().ComputeHash(UTF8Encoding.UTF8.GetBytes(postData))));
//client.BaseAddress = new Uri("requestUrl");
var content = new FormUrlEncodedContent(
parms
);
task = client.PostAsync(requestUrl, content);
}
task.Wait();
var taskString = task.Result.Content.ReadAsStringAsync();
taskString.Wait();
rv = taskString.Result;
var h = task.Result.Headers;
try
{
if (h.Contains("x-mws-quota-remaining"))
{
Throttle.SetHourlyQuotaHold(parms["Action"], Single.Parse(h.GetValues("x-mws-quota-remaining").First()), DateTime.Parse(h.GetValues("x-mws-quota-resetsOn").First()), _acct);
}
}
catch (Exception e)
{
Log.Error(_acct.AmazonAccountId, "Error setting throttle", e);
}
if (task.Result.StatusCode != HttpStatusCode.OK)
{
if (task.Result.StatusCode == HttpStatusCode.ServiceUnavailable)
{
Log.Warn(_acct.AmazonAccountId, $"Throttled - {parms["Action"]}, waiting 2mins");
Thread.Sleep(120000);
}
else
{
Log.Warn(_acct.AmazonAccountId, $"Error Calling MWS {parms["Action"]} failed with status {task.Result.StatusCode}");
}
if (retry)
{
return(getPostResponse(serviceURL, parms, postData, false));
}
else
{
Log.Warn(_acct.AmazonAccountId, $"Error Calling MWS {requestUrl} failed with status {task.Result.StatusCode}");
}
return(rv);
}
return(rv);
}
private string getCompletedReportId(string ReportRequestId, string ReportType, bool getPriorRun)
{
var responseKey = $"GetReportRequestList:{_acct.AmazonAccountId}";
string s = "";
//check cache first
using (var r = RedisHelper.GetRedisConnection())
{
s = r.Get <string>(responseKey);
}
if (String.IsNullOrEmpty(s))
{
IDictionary <string, string> r1 = new Dictionary <string, String>();
r1["Action"] = "GetReportRequestList";
r1["Version"] = "2009-01-01";
String serviceURL = "https://mws.amazonservices.com";
r1["MarketplaceId"] = _acct.MarketplaceId;
r1["SellerId"] = _acct.SellerId;
r1["ReportTypeList.Type.1"] = ReportType;
r1["RequestedFromDate"] = AMZNHelper.GetFormattedTimestamp(DateTime.Now.AddDays(-1));
AMZNWebResponse wr = new AMZNWebResponse(_acct);
s = wr.getResponse(serviceURL, r1);
// set cache, expires in 15 seconds
using (var r = RedisHelper.GetRedisConnection())
{
r.Set <string>(responseKey, s, DateTime.Now.AddSeconds(15));
s = r.Get <string>(responseKey);
}
}
try
{
var xDoc = XDocument.Parse(s);
//dynamic root = new ExpandoObject();
XElement xe = Util.stripNS(xDoc.Elements().First());
IEnumerable <XElement> ReportRequestInfos = xe.Descendants("ReportRequestInfo");
if (getPriorRun)
{
return(getPriorReportId(ReportType, ReportRequestInfos));
}
foreach (var ReportRequestInfo in ReportRequestInfos)
{
string rId = (string)ReportRequestInfo.Element("ReportRequestId");
if (!String.IsNullOrEmpty(rId) && rId == ReportRequestId)
{
// this will return the last one.
string ReportProcessingStatus = (string)ReportRequestInfo.Element("ReportProcessingStatus");
Log.Info(_acct.AmazonAccountId, $"Report request {ReportRequestId} status = {ReportProcessingStatus}");
if (ReportProcessingStatus.StartsWith("_DONE_"))
{
return((string)ReportRequestInfo.Element("GeneratedReportId"));
}
return(ReportProcessingStatus);
// break;
}
}
}
catch (Exception e)
{
Log.Error(_acct.AmazonAccountId, "Error getting report id", e);
return("");
}
return("");
}
