public void SubmitFeedToAmazon(IFeedSubmissionEntryService feedSubmissionService, FeedSubmissionEntry feedSubmission)
{
void HandleSubmitFeedSuccess(SubmitFeedResponse response)
{
var requestId = response?.ResponseHeaderMetadata?.RequestId ?? "unknown";
var timestamp = response?.ResponseHeaderMetadata?.Timestamp ?? "unknown";
feedSubmission.FeedSubmissionId = response?.SubmitFeedResult?.FeedSubmissionInfo?.FeedSubmissionId;
feedSubmission.FeedSubmissionRetryCount = 0;
_logger.Info($"AmazonMWS feed submission has succeeded for {feedSubmission.EntryIdentityDescription}. FeedSubmissionId:'{feedSubmission.FeedSubmissionId}'.",
new RequestInfo(timestamp, requestId));
}
void HandleMissingFeedSubmissionId()
{
feedSubmission.FeedSubmissionRetryCount++;
_logger.Warn($"SubmitFeed did not generate a FeedSubmissionId for {feedSubmission.EntryIdentityDescription}. Feed submission will be retried. FeedSubmissionRetryCount is now : {feedSubmission.FeedSubmissionRetryCount}.");
}
void HandleNonFatalOrGenericException(Exception e)
{
feedSubmission.FeedSubmissionRetryCount++;
feedSubmission.LastSubmitted = DateTime.UtcNow;
_logger.Warn($"AmazonMWS SubmitFeed failed for {feedSubmission.EntryIdentityDescription}. Feed submission will be retried. FeedSubmissionRetryCount is now : {feedSubmission.FeedSubmissionRetryCount}.", e);
}
void HandleFatalException(Exception e)
{
feedSubmissionService.Delete(feedSubmission);
_logger.Error($"AmazonMWS SubmitFeed failed for {feedSubmission.EntryIdentityDescription}. The entry will now be removed from queue", e);
}
var missingInformationExceptionMessage = "Cannot submit queued feed to amazon due to missing feed submission information";
if (feedSubmission == null)
{
throw new ArgumentNullException($"{missingInformationExceptionMessage}: Feed submission entry is null");
}
if (feedSubmission.FeedSubmissionData == null)
{
throw new ArgumentNullException($"{missingInformationExceptionMessage}: Feed submission data is null");
}
var feedContentZip = feedSubmission.Details?.FeedContent;
if (feedContentZip == null)
{
throw new ArgumentNullException($"{missingInformationExceptionMessage}: Feed content is missing");
}
if (string.IsNullOrEmpty(feedSubmission?.FeedType))
{
throw new ArgumentException($"{missingInformationExceptionMessage}: Feed type is missing");
}
_logger.Debug($"Attempting to submit the next feed in queue to Amazon: {feedSubmission.EntryIdentityDescription}.");
var feedSubmissionData = feedSubmission.GetPropertiesContainer();
using (var stream = ZipHelper.ExtractArchivedSingleFileToStream(feedContentZip))
{
var submitFeedRequest = new SubmitFeedRequest
{
Merchant = feedSubmission.MerchantId,
FeedType = feedSubmission.FeedType,
FeedContent = stream,
MarketplaceIdList = feedSubmissionData.MarketplaceIdList == null ? null : new IdList {
Id = feedSubmissionData.MarketplaceIdList
},
PurgeAndReplace = feedSubmissionData.PurgeAndReplace ?? false,
ContentMD5 = MD5ChecksumHelper.ComputeHashForAmazon(stream),
};
if (!string.IsNullOrEmpty(_mWSAuthToken))
{
submitFeedRequest.MWSAuthToken = _mWSAuthToken;
}
try
{
feedSubmissionService.Unlock(feedSubmission, "Unlocking single feed submission entry - finished attempt to submit feed to amazon.");
feedSubmissionService.Update(feedSubmission);
var response = _marketplaceWebServiceClient.SubmitFeed(submitFeedRequest);
feedSubmission.LastSubmitted = DateTime.UtcNow;
if (string.IsNullOrEmpty(response?.SubmitFeedResult?.FeedSubmissionInfo?.FeedSubmissionId))
{
HandleMissingFeedSubmissionId();
}
else
{
HandleSubmitFeedSuccess(response);
}
}
catch (MarketplaceWebServiceException e) when(e.StatusCode == HttpStatusCode.BadRequest && IsAmazonErrorCodeFatal(e.ErrorCode))
{
HandleFatalException(e);
}
catch (MarketplaceWebServiceException e) when(IsAmazonErrorCodeNonFatal(e.ErrorCode))
{
HandleNonFatalOrGenericException(e);
}
catch (Exception e)
{
HandleNonFatalOrGenericException(e);
}
finally
{
stream.Dispose();
feedSubmissionService.SaveChanges();
}
}
}
public static SubmitFeedResponse SendAmazonFeeds(IMarketplaceWebServiceClient feedService, IEnumerable<Product> amazonUpdateList, AmazonEnvelopeMessageType messageType, AmazonFeedType feedType, string AmazonMerchantId, string AmazonMarketplaceId, string AmazonServiceUrl, string AmazonAccessKeyId, string AmazonSecretAccessKey)
{
//var requestResponse = new List<string>();
SubmitFeedResponse feedResponse = null;
var amazonEnvelope = new AmazonEnvelope { Header = new Header { DocumentVersion = "1.01", MerchantIdentifier = AmazonMerchantId, }, MessageType = messageType };
var updates = new List<AmazonEnvelopeMessage>();
var counter = 1;
foreach (var amazonUpdate in amazonUpdateList)
{
var curUpdate = new AmazonEnvelopeMessage { MessageID = counter.ToString(), Item = amazonUpdate };
updates.Add(curUpdate);
counter++;
}
//add all update products to envelope's message
amazonEnvelope.Message = updates.ToArray();
var serializer = new XmlSerializer(amazonEnvelope.GetType());
var stringReader = new StringWriter();
serializer.Serialize(stringReader, amazonEnvelope);
var xmlResult = stringReader.ToString();
using (MemoryStream feedStream = new MemoryStream())
{
serializer.Serialize(feedStream, amazonEnvelope);
var feedRequest = new SubmitFeedRequest
{
Merchant = AmazonMerchantId,
MarketplaceIdList = new IdList { Id = new List<string>(new[] { AmazonMarketplaceId }) },
FeedType = feedType.ToString(),
ContentType = new ContentType(MediaType.OctetStream),
FeedContent = feedStream
};
// Calculating the MD5 hash value exhausts the stream, and therefore we must either reset the
// position, or create another stream for the calculation.
feedRequest.ContentMD5 = MarketplaceWebServiceClient.CalculateContentMD5(feedRequest.FeedContent);
//var feedService = new MockMarketplaceWebServiceClient();
var uploadSuccess = false;
var retryCount = 0;
while (!uploadSuccess)
{
try
{
feedResponse = feedService.SubmitFeed(feedRequest);
//var submissionId = feedResponse.SubmitFeedResult.FeedSubmissionInfo.FeedSubmissionId;
//requestResponse.Add(submissionId);
uploadSuccess = true;
}
catch (Exception ex)
{
//if sending not succeed after 3 attempts stop retrying
retryCount++;
if (retryCount == 3) break;
//pause sending for 3 minutes
Thread.Sleep(18000);
if (ex.ToString().ToLowerInvariant().Contains("request is throttled")) continue;
//requestResponse.Add(string.Format("ERROR: {0}", ex));
}
}
}
return feedResponse;
}
public static SubmitFeedResponse SendAmazonFeeds(IMarketplaceWebServiceClient feedService, IEnumerable <Product> amazonUpdateList, AmazonEnvelopeMessageType messageType, AmazonFeedType feedType, string AmazonMerchantId, string AmazonMarketplaceId, string AmazonServiceUrl, string AmazonAccessKeyId, string AmazonSecretAccessKey)
{
//var requestResponse = new List<string>();
SubmitFeedResponse feedResponse = null;
var amazonEnvelope = new AmazonEnvelope {
Header = new Header {
DocumentVersion = "1.01", MerchantIdentifier = AmazonMerchantId,
}, MessageType = messageType
};
var updates = new List <AmazonEnvelopeMessage>();
var counter = 1;
foreach (var amazonUpdate in amazonUpdateList)
{
var curUpdate = new AmazonEnvelopeMessage {
MessageID = counter.ToString(), Item = amazonUpdate
};
updates.Add(curUpdate);
counter++;
}
//add all update products to envelope's message
amazonEnvelope.Message = updates.ToArray();
var serializer = new XmlSerializer(amazonEnvelope.GetType());
var stringReader = new StringWriter();
serializer.Serialize(stringReader, amazonEnvelope);
var xmlResult = stringReader.ToString();
using (MemoryStream feedStream = new MemoryStream())
{
serializer.Serialize(feedStream, amazonEnvelope);
var feedRequest = new SubmitFeedRequest
{
Merchant = AmazonMerchantId,
MarketplaceIdList = new IdList {
Id = new List <string>(new[] { AmazonMarketplaceId })
},
FeedType = feedType.ToString(),
ContentType = new ContentType(MediaType.OctetStream),
FeedContent = feedStream
};
// Calculating the MD5 hash value exhausts the stream, and therefore we must either reset the
// position, or create another stream for the calculation.
feedRequest.ContentMD5 = MarketplaceWebServiceClient.CalculateContentMD5(feedRequest.FeedContent);
//var feedService = new MockMarketplaceWebServiceClient();
var uploadSuccess = false;
var retryCount = 0;
while (!uploadSuccess)
{
try
{
feedResponse = feedService.SubmitFeed(feedRequest);
//var submissionId = feedResponse.SubmitFeedResult.FeedSubmissionInfo.FeedSubmissionId;
//requestResponse.Add(submissionId);
uploadSuccess = true;
}
catch (Exception ex)
{
//if sending not succeed after 3 attempts stop retrying
retryCount++;
if (retryCount == 3)
{
break;
}
//pause sending for 3 minutes
Thread.Sleep(18000);
if (ex.ToString().ToLowerInvariant().Contains("request is throttled"))
{
continue;
}
//requestResponse.Add(string.Format("ERROR: {0}", ex));
}
}
}
return(feedResponse);
}