/// <summary>
/// Makes a call to WebAPI to turn light on/off
/// </summary>
/// <param name="lightId">Id of the light</param>
/// <param name="turnOn">on/off flag</param>
/// <returns></returns>
public async Task SwitchLight(string lightId, bool turnOn)
{
// validate parameters
if (string.IsNullOrEmpty(lightId))
{
throw new ArgumentNullException(nameof(lightId));
}
// Create the model to be transmitted
var lightswichModel = new LightSwitchModel()
{
Id = lightId, IsOn = turnOn
};
// convert it to JSON
var modelJson = JsonConvert.SerializeObject(lightswichModel);
// add model to the reuest as content with the right content type
HttpContent content = new StringContent(modelJson);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
content.Headers.Add("SensorHatDataAddKey", _authKey);
// make that call
HttpResponseMessage response = await Client.PutAsync(_baseAddress + "/api/lights/switch/", content);
// if the call is not successful, throw exception
if (!response.IsSuccessStatusCode)
{
throw new Exception(response.ReasonPhrase);
}
}
public void LogUpdateOnLightswitch(LightSwitchModel lightSwitch)
{
bool addNewRecord = true;
// Check if at least a predefined ammount of time passed since the last record with the same state was inserted.
// There can be the case when the same state is being triggered for a light switch multiple times in a short time span.
// We don't want to log all of those events.
var latestLightSwitchRecord = _dbContext.LightSwitches
.OrderByDescending(l => l.ExecutionDateTime)
.FirstOrDefault();
if (latestLightSwitchRecord != null && latestLightSwitchRecord.State == lightSwitch.State)
{
TimeSpan timeElapsedSinceLastRecord = DateTime.Now.Subtract(latestLightSwitchRecord.ExecutionDateTime);
TimeSpan buffer = new TimeSpan(0, 0, _lightSwitchOptions.NoLogUpdateInterval);
if (timeElapsedSinceLastRecord < buffer)
{
addNewRecord = false;
}
}
if (addNewRecord)
{
_dbContext.LightSwitches.Add(new LightSwitch
{
LightSwitchId = lightSwitch.Id,
ExecutionDateTime = DateTime.Now,
State = lightSwitch.State
});
_dbContext.SaveChanges();
}
}
public IActionResult Update(int id, [FromBody] LightSwitchModel lightSwitch)
{
try
{
lightSwitch.Id = id;
_lightSwitchesService.UpdateDevice(lightSwitch);
return(NoContent());
}
catch (KeyNotFoundException e)
{
return(BadRequest());
}
}
public void Put([FromBody] LightSwitchModel lightSwitch)
{
var homeContext = GlobalHost.ConnectionManager.GetHubContext <SwitchHub>();
homeContext.Clients.All.FlipSwitch(lightSwitch.Id, lightSwitch.IsOn);
}
