private void PublishEventsForPreviouslyDownloadedReports(IReportRequestEntryService reportRequestService)
{
var reportsReadyForCallback = reportRequestService.GetAllFromQueueOfReportsReadyForCallback(_merchantId, _region);
foreach (var reportEntry in reportsReadyForCallback)
{
try
{
var reportType = reportEntry.ReportType;
var handledId = reportEntry.TargetHandlerId;
var handlerArgs = (reportEntry.TargetHandlerArgs == null) ? null : new ReadOnlyDictionary <string, object>(JsonConvert.DeserializeObject <Dictionary <string, object> >(reportEntry.TargetHandlerArgs));
if (reportEntry.Details == null && reportEntry.LastAmazonReportProcessingStatus == AmazonReportProcessingStatus.DoneNoData && !_options.EventPublishingOptions.EventPublishingForReportStatusDoneNoData)
{
_logger.Debug($"An attempt will not be made to publish event ReportDownloaded for the following report in queue : {reportEntry.EntryIdentityDescription}, because AmazonProcessingStatus for this report is _DONE_NO_DATA_ but EventPublishingForReportStatusDoneNoData EasyMwsOption is FALSE.");
}
else if (reportEntry.Details == null && reportEntry.LastAmazonReportProcessingStatus == AmazonReportProcessingStatus.DoneNoData && _options.EventPublishingOptions.EventPublishingForReportStatusDoneNoData)
{
_logger.Warn($"Attempting to publish event ReportDownloaded for the following report in queue : {reportEntry.EntryIdentityDescription}, but the AmazonProcessingStatus for this report is _DONE_NO_DATA_ therefore the Stream argument will be null at invocation time.");
var eventArgs = new ReportDownloadedEventArgs(null, reportType, handledId, handlerArgs);
OnReportDownloaded(eventArgs);
}
else
{
_logger.Debug($"Attempting to publish event ReportDownloaded for the next downloaded report in queue : {reportEntry.EntryIdentityDescription}.");
var reportContent = ZipHelper.ExtractArchivedSingleFileToStream(reportEntry.Details?.ReportContent);
var eventArgs = new ReportDownloadedEventArgs(reportContent, reportType, handledId, handlerArgs);
OnReportDownloaded(eventArgs);
}
reportRequestService.Delete(reportEntry);
_logger.Info($"Event publishing has succeeded for {reportEntry.EntryIdentityDescription}.");
}
catch (SqlException e)
{
_logger.Error($"ReportDownloaded event publishing failed for {reportEntry.EntryIdentityDescription} due to an internal error '{e.Message}'. The event publishing will be retried at the next poll request", e);
reportRequestService.Unlock(reportEntry, "Unlocking single report request entry - an SQL exception occurred while trying to invoke callback.");
reportRequestService.Update(reportEntry);
}
catch (Exception e)
{
_logger.Error($"ReportDownloaded event publishing failed for {reportEntry.EntryIdentityDescription}. Current retry count is :{reportEntry.InvokeCallbackRetryCount}. {e.Message}", e);
reportEntry.InvokeCallbackRetryCount++;
reportRequestService.Unlock(reportEntry, "Unlocking single report request entry - an exception occurred while trying to invoke callback.");
reportRequestService.Update(reportEntry);
}
}
reportRequestService.SaveChanges();
}
public void UnlockReportRequestEntries(IReportRequestEntryService reportRequestService, IEnumerable <string> reportRequestIds)
{
foreach (var reportRequestId in reportRequestIds)
{
var reportRequestEntry = reportRequestService.FirstOrDefault(fsc => fsc.RequestReportId == reportRequestId);
if (reportRequestEntry != null)
{
reportRequestService.Unlock(reportRequestEntry, "Unlocking multiple report request entries - amazon processing status update has been completed.");
reportRequestService.Update(reportRequestEntry);
}
}
reportRequestService.SaveChanges();
}
public void QueueReport(IReportRequestEntryService reportRequestService, ReportRequestPropertiesContainer propertiesContainer, string targetEventId, Dictionary <string, object> targetEventArgs)
{
try
{
if (propertiesContainer == null)
{
throw new ArgumentNullException();
}
var serializedPropertiesContainer = JsonConvert.SerializeObject(propertiesContainer);
var reportRequest = new ReportRequestEntry(serializedPropertiesContainer)
{
AmazonRegion = _region,
MerchantId = _merchantId,
LastAmazonRequestDate = DateTime.MinValue,
DateCreated = DateTime.UtcNow,
ContentUpdateFrequency = propertiesContainer.UpdateFrequency,
RequestReportId = null,
GeneratedReportId = null,
ReportRequestRetryCount = 0,
ReportDownloadRetryCount = 0,
ReportProcessRetryCount = 0,
InvokeCallbackRetryCount = 0,
ReportType = propertiesContainer.ReportType,
TargetHandlerId = targetEventId,
TargetHandlerArgs = targetEventArgs == null ? null : JsonConvert.SerializeObject(targetEventArgs),
InstanceId = _options?.EventPublishingOptions?.RestrictInvocationToOriginatingInstance?.HashedInstanceId,
};
reportRequestService.Unlock(reportRequest, "Unlocking single report request entry - newly created, ready for processing.");
reportRequestService.Create(reportRequest);
reportRequestService.SaveChanges();
_logger.Info($"The following report was queued for download from Amazon {reportRequest.EntryIdentityDescription}.");
}
catch (Exception e)
{
_logger.Error(e.Message, e);
}
}
public void RequestReportFromAmazon(IReportRequestEntryService reportRequestService, ReportRequestEntry reportRequestEntry)
{
var missingInformationExceptionMessage = "Cannot request report from amazon due to missing report request information";
if (reportRequestEntry?.ReportRequestData == null)
{
throw new ArgumentNullException($"{missingInformationExceptionMessage}: Report request data is missing");
}
if (string.IsNullOrEmpty(reportRequestEntry?.ReportType))
{
throw new ArgumentException($"{missingInformationExceptionMessage}: Report Type is missing");
}
var reportRequestData = reportRequestEntry.GetPropertiesContainer();
_logger.Debug($"Attempting to request the next report in queue from Amazon: {reportRequestEntry.EntryIdentityDescription}.");
var reportRequest = new RequestReportRequest
{
Merchant = reportRequestEntry.MerchantId,
ReportType = reportRequestEntry.ReportType,
};
if (!string.IsNullOrEmpty(_mWSAuthToken))
{
reportRequest.MWSAuthToken = _mWSAuthToken;
}
if (reportRequestData.MarketplaceIdList != null)
{
reportRequest.MarketplaceIdList = new IdList {
Id = reportRequestData.MarketplaceIdList.ToList()
}
}
;
if (reportRequestData.StartDate.HasValue)
{
reportRequest.StartDate = reportRequestData.StartDate.Value;
}
if (reportRequestData.EndDate.HasValue)
{
reportRequest.EndDate = reportRequestData.EndDate.Value;
}
if (!string.IsNullOrEmpty(reportRequestData.ReportOptions))
{
reportRequest.ReportOptions = reportRequestData.ReportOptions;
}
try
{
reportRequestService.Unlock(reportRequestEntry, "Unlocking single report request entry - attempt to request report from amazon has been completed.");
reportRequestService.Update(reportRequestEntry);
var reportResponse = _marketplaceWebServiceClient.RequestReport(reportRequest);
reportRequestEntry.LastAmazonRequestDate = DateTime.UtcNow;
reportRequestEntry.RequestReportId = reportResponse?.RequestReportResult?.ReportRequestInfo?.ReportRequestId;
var requestId = reportResponse?.ResponseHeaderMetadata?.RequestId ?? "unknown";
var timestamp = reportResponse?.ResponseHeaderMetadata?.Timestamp ?? "unknown";
if (string.IsNullOrEmpty(reportRequestEntry.RequestReportId))
{
reportRequestEntry.ReportRequestRetryCount++;
_logger.Warn($"RequestReport did not generate a ReportRequestId for {reportRequestEntry.EntryIdentityDescription}. Report request will be retried. ReportRequestRetryCount is now : {reportRequestEntry.ReportRequestRetryCount}.",
new RequestInfo(timestamp, requestId));
}
else
{
reportRequestEntry.ReportRequestRetryCount = 0;
_logger.Info($"AmazonMWS RequestReport succeeded for {reportRequestEntry.EntryIdentityDescription}. ReportRequestId:'{reportRequestEntry.RequestReportId}'.",
new RequestInfo(timestamp, requestId));
}
}
catch (MarketplaceWebServiceException e) when(e.StatusCode == HttpStatusCode.BadRequest && IsAmazonErrorCodeFatal(e.ErrorCode))
{
reportRequestService.Delete(reportRequestEntry);
_logger.Error($"AmazonMWS RequestReport failed for {reportRequestEntry.EntryIdentityDescription}. The entry will now be removed from queue", e);
}
catch (MarketplaceWebServiceException e) when(IsAmazonErrorCodeNonFatal(e.ErrorCode))
{
reportRequestEntry.ReportRequestRetryCount++;
reportRequestEntry.LastAmazonRequestDate = DateTime.UtcNow;
_logger.Warn($"AmazonMWS RequestReport failed for {reportRequestEntry.EntryIdentityDescription}. Report request will be retried. ReportRequestRetryCount is now : {reportRequestEntry.ReportRequestRetryCount}.", e);
}
catch (Exception e)
{
reportRequestEntry.ReportRequestRetryCount++;
reportRequestEntry.LastAmazonRequestDate = DateTime.UtcNow;
_logger.Warn($"AmazonMWS RequestReport failed for {reportRequestEntry.EntryIdentityDescription}. Report request will be retried. ReportRequestRetryCount is now : {reportRequestEntry.ReportRequestRetryCount}.", e);
}
finally
{
reportRequestService.SaveChanges();
}
}