public async Task <HttpResponseMessage> Post(HttpRequestMessage requestMessage)
{
var deviceId = Request.GetDeviceId();
var json = string.Empty;
JArray events = null;
try
{
json = await requestMessage.Content.ReadAsStringAsync();
dynamic request = JObject.Parse(json);
events = (JArray)request.events;
_log.TraceEvent("ParseEvents",
new Facet("deviceId", deviceId),
new Facet("eventCount", events.Count));
}
catch (Exception ex)
{
var errorId = _log.ErrorEvent("ParseEvents", ex,
new Facet("json", json));
var error = new { errorId = errorId };
var errorJson = JsonConvert.SerializeObject(error);
return(new HttpResponseMessage(HttpStatusCode.BadRequest)
{
Content = new StringContent(errorJson)
});
}
var sendToEventHubs = Config.Parse <bool>("DataBrain.DeviceEvents.SendToEventHubs");
if (sendToEventHubs && events.Any())
{
try
{
await _sender.SendEventsAsync(events, deviceId);
return(new HttpResponseMessage(HttpStatusCode.Created));
}
catch (Exception ex)
{
var errorId = _log.ErrorEvent("SendEvents", ex);
var error = new { errorId = errorId };
var errorJson = JsonConvert.SerializeObject(error);
return(new HttpResponseMessage(HttpStatusCode.InternalServerError)
{
Content = new StringContent(errorJson)
});
}
}
return(new HttpResponseMessage(HttpStatusCode.OK));
}
//The return will only contain the return message (based on if the event has been successfully processed)
//The request will contain an array of events, but the schema is not fixed (typical BigData).
//So we wont be working with Model (instead only with HttpResponse and HttpRequest Message.
public async Task <HttpResponseMessage> Post(HttpRequestMessage requestMessage)
{
var json = string.Empty;
var deviceId = Request.GetDeviceId(); //The device id is read from the header because it is same for all the events in the post request
JArray events;
try
{
json = await requestMessage.Content.ReadAsStringAsync();
dynamic request = JObject.Parse(json); //dynamic JSON has been used becasue we are not fixing the JSON schema
events = (JArray)request.events;
_log.TraceEvent("ParseEvent", //Disable Trace in higher environment
new Facet("deviceId", deviceId),
new Facet("eventCount", events.Count.ToString()));
}
catch (Exception error)
{
_log.ErrorEvent("ParseEvent", error, new Facet("json", json));
throw;
}
if (Boolean.Parse(ConfigurationManager.AppSettings["Telemetry.DeviceEvents.SendToEventhub"]))
{
try
{
await _sender.SendEventsAsync(events, deviceId); //Wait for the sending to be over, becasue based on the result we might have to change the response
return(new HttpResponseMessage(HttpStatusCode.OK));
}
catch (Exception ex)
{
var errorId = _log.ErrorEvent("SendEvents", ex);
var error = new { errorId = errorId };
var errorJson = JsonConvert.SerializeObject(error);
return(new HttpResponseMessage(HttpStatusCode.InternalServerError)
{
Content = new StringContent(errorJson)
});
}
}
return(new HttpResponseMessage(HttpStatusCode.OK));
}