public HttpResponseMessage Get()
{
if (db.NOISE_SAMPLE == null || db.NOISE_SAMPLE.Count() == 0)
{
return(Request.CreateResponse(HttpStatusCode.OK, "[]"));
}
var keyValuePairs = Request.GetQueryNameValuePairs();
if (keyValuePairs.Count() < 4)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, "requst invalid"));
}
var options = RequestSamplesOptions.FromQuery(keyValuePairs);
var filteredSamples = SamplesAPI.getSamples(db, options);
if (filteredSamples == null)
{
Request.CreateResponse(HttpStatusCode.BadRequest, "requst invalid");
}
return(Request.CreateResponse(HttpStatusCode.OK, filteredSamples));
}
private async void Client_ApplicationMessageReceived(object sender, MqttApplicationMessageReceivedEventArgs e)
{
var topic = e.ApplicationMessage.Topic;
var payload = e.ApplicationMessage.Payload;
var result = System.Text.Encoding.UTF8.GetString(payload);
if (topic.Equals(NEW_MEASUREMENT_TOPIC_NAME))
{
var sample = JsonConvert.DeserializeObject <NOISE_SAMPLE>(result);
sample.userName = "******";
sample.Id = db.NOISE_SAMPLE.Count() == 0 ? 0 : (db.NOISE_SAMPLE.Max(x => x.Id) + 1);
db.NOISE_SAMPLE.Add(sample);
db.SaveChanges();
}
else if (topic.StartsWith("clients/", StringComparison.CurrentCulture) && topic.EndsWith("/request", StringComparison.CurrentCulture))
{
var requestOptions = JsonConvert.DeserializeObject <RequestSamplesOptions>(result);
var samples = SamplesAPI.getSamples(db, requestOptions);
var startOfTopic = topic.Substring(0, topic.Length - "/request".Length);
var jsonMsg = JsonConvert.SerializeObject(samples);
await client.PublishAsync(startOfTopic + "/response", jsonMsg);
}
}