private async Task AddToQueueAsync(Models.GatewayServiceRequest.Content requestContent)
{
Models.LogMessage exceptionMsg = null;
try
{
var serializedContent = JsonConvert.SerializeObject(requestContent);
var queueItem = new Models.GatewayQueueItem {
ID = Guid.NewGuid(), JsonSerializedRequestContent = serializedContent, QueuedDateTime = DateTime.Now
};
try
{
await _queueItemRepository.InsertAsync(queueItem);
}
catch (Exception ex)
{
MvxTrace.Error("\"{0}\" in {1}.{2}\n{3}", ex.Message, "GatewayQueueItemRepository", "InsertAsync", ex.StackTrace);
throw;
}
// Always attempt to sync with the MWF Mobile Gateway service whenever items are added to the queue (providing the GatewayQueueTimerService has been started)
await UploadQueueAsync();
}
catch (Exception ex)
{
exceptionMsg = _loggingService.GetExceptionLogMessage(ex);
}
if (exceptionMsg != null)
{
await _loggingService.LogEventAsync(exceptionMsg);
}
}
public async Task UploadQueueAsync()
{
Models.LogMessage exceptionMsg = null;
try {
await SubmitQueueAsync();
await _loggingService.UploadLoggedEventsAsync();
}
catch (Exception ex)
{
exceptionMsg = _loggingService.GetExceptionLogMessage(ex);
}
if (exceptionMsg != null)
{
await _loggingService.LogEventAsync(exceptionMsg);
}
}
private async Task SubmitQueueAsync()
{
Mvx.Trace("Submit Queue");
if (_isSubmitting)
{
_submitAgainOnCompletion = true;
return;
}
_isSubmitting = true;
Models.LogMessage exceptionMsg = null;
try
{
if (!_reachability.IsConnected())
{
return;
}
IEnumerable <Models.GatewayQueueItem> queuedItems = await _queueItemRepository.GetAllInQueueOrderAsync();
if (queuedItems != null)
{
foreach (var queuedItem in queuedItems)
{
var submitted = true;
await this.ServiceCallAsync(queuedItem.JsonSerializedRequestContent);
await _queueItemRepository.DeleteAsync(queuedItem);
//TODO: should we attempt remaining items if one fails or bail out at this point?
if (!submitted)
{
break;
}
}
}
}
catch (Exception ex)
{
exceptionMsg = _loggingService.GetExceptionLogMessage(ex);
}
finally
{
_isSubmitting = false;
_timer.Reset();
}
if (exceptionMsg != null)
{
await _loggingService.LogEventAsync(exceptionMsg);
}
if (_submitAgainOnCompletion)
{
_submitAgainOnCompletion = false;
await SubmitQueueAsync();
}
}
public Task LogEventAsync(Models.LogMessage exceptionLogMessage)
{
return(this.InsertLogMessage(exceptionLogMessage));
}
