/// <summary>
/// Sends all documents.
/// </summary>
/// <returns></returns>
public async Task SendDocumentsInQueue()
{
var notificationItems = new List <NotificationData>();
// Get all the 'Pending' documents
var pendingDocuments = await _dataStore.FilterDocuments(new[] { DocumentStatus.Pending });
// Set documents statuses to 'Sending'
foreach (var document in pendingDocuments)
{
document.Status = DocumentStatus.Sending;
await _dataStore.UpdateDocument(document);
}
Log.Information("Found '{documentsToSend}' document(s) to send", pendingDocuments.Count);
// Process each document
foreach (var document in pendingDocuments)
{
EventType?newEventType = null;
string newEventMessage = null;
DocumentStatus?newDocumentStatus = null;
bool skipDocument = false;
// Check if current document supercedes a document that hasn't been sent yet then set status back to 'Pending' and do not process document
if (!string.IsNullOrEmpty(document.DocumentIdToReplace))
{
var replaceDocument = await _dataStore.GetDocument(document.DocumentIdToReplace);
if (replaceDocument != null && replaceDocument.Status != DocumentStatus.Sent)
{
newEventType = EventType.Deferred;
newEventMessage = $"Document to supercede ({replaceDocument.DocumentId}) hasn't been sent";
newDocumentStatus = DocumentStatus.Pending;
skipDocument = true;
}
}
if (!skipDocument)
{
var uploadRequest = new DocumentUploadRequest
{
DocumentData = document.DocumentData,
FormatCode = document.FormatCode,
FormatCodeName = document.FormatCodeName
};
// Upload document
bool wasSendSuccessful;
try
{
DocumentUploadResult documentUploadResult = await _mhrDocumentUploadClient.UploadDocument(uploadRequest);
Log.Information("Document with ID '{documentId}' upload status is '{uploadStatus}'", document.DocumentId, documentUploadResult.Status);
wasSendSuccessful = documentUploadResult.Status == DocumentUploadResultStatus.Success;
if (!wasSendSuccessful)
{
// Determine the message
newEventMessage = documentUploadResult.AdditionalInfo;
if (!string.IsNullOrEmpty(documentUploadResult.ErrorCode))
{
newEventMessage = $"Code: {documentUploadResult.ErrorCode} - {newEventMessage}";
}
}
}
catch (Exception e)
{
Log.Error(e, "Error uploading document");
wasSendSuccessful = false;
newEventMessage = e.Message;
}
// Determine the result
if (wasSendSuccessful)
{
newEventType = EventType.Success;
newDocumentStatus = DocumentStatus.Sent;
}
else
{
newEventType = EventType.Failed;
// Check if the retry limit has been reached
if (document.Events.Count(e => e.Type == EventType.Failed) + 1 >= _retryLimit)
{
Log.Information("Retry limit reached for document with ID '{documentId}'", document.DocumentId);
newDocumentStatus = DocumentStatus.RetryLimitReached;
}
else
{
// Change back to pending
newDocumentStatus = DocumentStatus.Pending;
}
}
}
// Add an event
await _dataStore.AddEvent(document, newEventType.Value, newEventMessage);
// Set the status
document.Status = newDocumentStatus.Value;
// Update the document
await _dataStore.UpdateDocument(document);
// Add a notification
notificationItems.Add(new NotificationData
{
DocumentEvent = newEventType.Value,
DocumentId = document.DocumentId
});
}
// Send any notifications
if (notificationItems.Any())
{
await _notificationService.SendNotification(notificationItems);
}
}