Web API controller to query IoT device metadata

mapcontroller.cs

public class MapController : ApiController
{
  [Route("api/map/{id}")]
  public object Get(int id)
  {
    var uri = new Uri(ConfigurationManager.AppSettings["docdbUri"]);
    var key = ConfigurationManager.AppSettings["docdbKey"];
    var dbName = ConfigurationManager.AppSettings["docdbDatabaseName"];
    var collName = ConfigurationManager.AppSettings["docdbCollName"];

    var client = new DocumentClient(uri, key);

    var query = client.CreateDocumentQuery<BusInfo>(UriFactory.CreateDocumentCollectionUri(dbName, collName),
                  new FeedOptions { MaxItemCount = 1 })
                .Where(bi => bi.VehicleId == id);

    var result = query.AsEnumerable().FirstOrDefault();

    return result != null
          ? new
          {
            tripid = result.TripId,
            route = result.RouteShortName,
            vehicleid = result.VehicleId,
            timeliness = result.Timeliness.ToString()
          }
          : null;
  }
}