public static CheckinRequest Load(ThermostatMonitorLib.Location location, string json)
{
CheckinRequest result = new CheckinRequest();
result.ZipCode = location.ZipCode;
result.Thermostats = new Thermostats();
Hashtable hash = (Hashtable)ThermostatMonitorLib.JSON.JsonDecode(json);
ArrayList thermostats = new ArrayList();
try
{
thermostats = (ArrayList)hash["thermostats"];
}
catch { }
foreach (System.Collections.Hashtable thermostatHash in thermostats)
{
Thermostat thermostat = new Thermostat();
thermostat.State = thermostatHash["state"].ToString();
thermostat.IpAddress = thermostatHash["ipAddress"].ToString();
thermostat.Temperature = Convert.ToInt32(thermostatHash["temperature"]);
thermostat.CheckinTime = DateTime.Now;
result.Thermostats.Add(thermostat);
}
return(result);
}
private void LogTemperatureChange(int locationId, Thermostat current, Thermostat previous)
{
ThermostatMonitorLib.Thermostat thermostat=ThermostatMonitorLib.Thermostat.LoadThermostat(locationId, current.IpAddress);
double precision = System.Math.Round(new TimeSpan(DateTime.Now.Ticks - previous.CheckinTime.Ticks).TotalMinutes, 0);
if (precision > 100) precision = -1;
ThermostatMonitorLib.Temperature.LogTemperature(thermostat.Id, current.Temperature, (short)precision);
}
private void CheckIn(ThermostatMonitorLib.Location location)
{
StreamReader reader = new StreamReader(Request.InputStream, Request.ContentEncoding);
string jsonInput = reader.ReadToEnd();
reader.Close();
reader.Dispose();
CheckinRequest request = CheckinRequest.Load(location, jsonInput);
CheckinResponse response = new CheckinResponse();
//Update inside temperature and thermostat state
foreach (Thermostat thermostat in request.Thermostats)
{
string key=location.Id.ToString() + "_" + thermostat.IpAddress;
Thermostat previousThermostat = new Thermostat();
if (Thermostats.Cache.ContainsKey(key)) previousThermostat = (Thermostat)Thermostats.Cache[key];
if (thermostat.Temperature != previousThermostat.Temperature) LogTemperatureChange(location.Id, thermostat, previousThermostat);
if (thermostat.State != previousThermostat.State) LogStateChange(location.Id, thermostat, previousThermostat);
Thermostats.Cache[key] = thermostat;
}
//Update outside temperature
response.ZipCode = request.ZipCode;
string cacheKey = "OutsideTemperature" + location.Id.ToString();
if (Cache.Get(cacheKey)==null)
{
try
{
response.OutsideTemperature = ThermostatMonitorLib.Weather.GetTemperature(location.OpenWeatherCityId);
Cache.Add(cacheKey, response.OutsideTemperature, null, DateTime.Now.AddMinutes(4).AddSeconds(30), TimeSpan.Zero, System.Web.Caching.CacheItemPriority.Normal, null);
} catch{}
} else {
response.OutsideTemperature = Convert.ToInt32(Cache.Get(cacheKey));
}
int previousTemperature = -999;
if (CheckinResponse.ConditionHash.ContainsKey(location.Id)) previousTemperature = Convert.ToInt32(CheckinResponse.ConditionHash[location.Id]);
if (response.OutsideTemperature != previousTemperature && response.OutsideTemperature!=0) ThermostatMonitorLib.OutsideCondition.Log(location.Id, response.OutsideTemperature);
CheckinResponse.ConditionHash[location.Id] = response.OutsideTemperature;
//Add any pending commands to the response
response.ReplyCommands = Commands.Get(location.Id);
Commands.Remove(location.Id);
try
{
Thermostats.CleanCache();
}
catch (Exception ex)
{
ThermostatMonitorLib.Error error = new ThermostatMonitorLib.Error();
error.ErrorMessage = ex.ToString();
error.LogDate = DateTime.Now;
error.UserId = 0;
error.Url = "/json/default.aspx";
ThermostatMonitorLib.Error.SaveError(error);
}
Response.Write(response.GetJson());
Response.End();
}
private void LogStateChange(int locationId, Thermostat current, Thermostat previous)
{
ThermostatMonitorLib.Thermostat thermostat = ThermostatMonitorLib.Thermostat.LoadThermostat(locationId, current.IpAddress);
double precision = System.Math.Round(new TimeSpan(DateTime.Now.Ticks - previous.CheckinTime.Ticks).TotalMinutes, 0);
if (precision > 100) precision = -1;
ThermostatMonitorLib.Cycle.EndOpenCycle(thermostat.Id, (short)precision);
if (current.State != "Off")
{
ThermostatMonitorLib.Cycle.StartCycle(thermostat.Id, current.State, (short)precision);
}
else
{
ThermostatMonitorLib.Snapshots.Generate(thermostat.Id);
}
}
