private void PublishEventsForPreviouslySubmittedFeeds(IFeedSubmissionEntryService feedSubmissionService)
{
var previouslySubmittedFeeds = feedSubmissionService.GetAllFromQueueOfFeedsReadyForCallback(_merchantId, _region);
foreach (var feedSubmissionEntry in previouslySubmittedFeeds)
{
try
{
var processingReportContent = ZipHelper.ExtractArchivedSingleFileToStream(feedSubmissionEntry.Details.FeedSubmissionReport);
var feedType = feedSubmissionEntry.FeedType;
var handlerId = feedSubmissionEntry.TargetHandlerId;
var handledArgs = feedSubmissionEntry.TargetHandlerArgs == null ? null : new ReadOnlyDictionary <string, object>(JsonConvert.DeserializeObject <Dictionary <string, object> >(feedSubmissionEntry.TargetHandlerArgs));
var eventArgs = new FeedUploadedEventArgs(processingReportContent, feedType, handlerId, handledArgs);
_logger.Debug($"Attempting publish FeedUploaded for the next submitted feed in queue : {feedSubmissionEntry.EntryIdentityDescription}");
OnFeedUploaded(eventArgs);
feedSubmissionService.Delete(feedSubmissionEntry);
_logger.Info($"Event publishing has succeeded for {feedSubmissionEntry.EntryIdentityDescription}.");
}
catch (SqlException e)
{
_logger.Error($"Event publishing failed for {feedSubmissionEntry.EntryIdentityDescription} due to an internal error '{e.Message}'. The event publishing will be retried at the next poll request", e);
feedSubmissionService.Unlock(feedSubmissionEntry, "Unlocking single feed submission entry - an SQL exception occurred while trying to invoke callback.");
feedSubmissionService.Update(feedSubmissionEntry);
}
catch (Exception e)
{
_logger.Error($"Event publishing failed for {feedSubmissionEntry.EntryIdentityDescription}. Current retry count is :{feedSubmissionEntry.FeedSubmissionRetryCount}. {e.Message}", e);
feedSubmissionEntry.InvokeCallbackRetryCount++;
feedSubmissionService.Unlock(feedSubmissionEntry, "Unlocking single feed submission entry - an exception occurred while trying to invoke callback.");
feedSubmissionService.Update(feedSubmissionEntry);
}
}
feedSubmissionService.SaveChanges();
}
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();
}
}
}