/// <summary>
///
/// </summary>
/// <param name="client"></param>
/// <param name="lightsToScan"></param>
/// <param name="colorTemperature"></param>
/// <param name="transitiontime"></param>
private async Task ModifyFluxLights(
HueClient hueClient,
IEnumerable <Light> lights,
Primitives.ColorTemperature newColorTemperature,
Primitives.Brightness newBrightness)
{
lights = lights.Where(light =>
light.State.On &&
light.IsFluxControlled());
Dictionary <LightCommand, IList <string> > lightGroups = CalculateLightCommands(lights, newColorTemperature, newBrightness);
// Send the light update command
foreach (KeyValuePair <LightCommand, IList <string> > lightGroup in lightGroups)
{
try
{
HueResults result = await hueClient.SendCommandAsync(lightGroup.Key, lightGroup.Value);
IEnumerable <string> lightNames = lightGroup.Value
.Select(lightId =>
lights.Single(light =>
light.Id.Equals(lightId, StringComparison.OrdinalIgnoreCase)).Name)
?.Take(4);
Log.Info($"'{nameof(ModifyFluxLights)}' set '{lightGroup.Value.Count()}' lights to color temperature {(lightGroup.Key.ColorTemperature.HasValue ? $"'{lightGroup.Key.ColorTemperature}'" : "'null'")} and brightness {(lightGroup.Key.Brightness.HasValue ? $"'{lightGroup.Key.Brightness}'" : "'null'")} for lights '{string.Join(", ", lightNames)}', IDs '{string.Join(", ", lightGroup.Value)}'.");
}
catch (Exception exception)
{
Log.Error($"Exception: '{nameof(ModifyFluxLights)}' exception for '{string.Join(", ", lightGroup.Value)}'. {exception.Message}");
}
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private async Task FluxUpdate()
{
// Get the color temperature for the given time of day
Primitives.ColorTemperature colorTemperature = FluxCalculate.GetColorTemperature(DateTime.Now);
// Get the brightness
Primitives.Brightness brightness = CalculateFluxBrightness(LightLevel.Value);
Log.Info($"'{nameof(FluxUpdate)}' activity for color temperature '{colorTemperature}' and brightness '{brightness}' now starting.");
IEnumerable <Task> fluxTasks = HueClients.Select(async hueClient =>
{
IEnumerable <Light> lights = null;
try
{
lights = await hueClient.GetLightsAsync();
}
catch (Exception e)
{
Log.Debug($"'{nameof(ModifyFluxLights)}' exception attempting to get lights from client. '{e.Message}' '{e.InnerException}'.");
return;
}
// Send light update commands to lights which are currently 'On'
await ModifyFluxLights(hueClient, lights, colorTemperature, brightness);
// Update the underlying 'Flux' scenes
await ModifyFluxSwitchScenes(hueClient, lights, colorTemperature, brightness);
});
await Task.WhenAll(fluxTasks);
// Publish the updated status values so they are retained
await PublishStatus(brightness, colorTemperature);
}
/// <summary>
///
/// </summary>
/// <param name="client"></param>
/// <param name="lightsToScan"></param>
/// <param name="colorTemperature"></param>
/// <param name="transitiontime"></param>
internal Dictionary <LightCommand, IList <string> > CalculateLightCommands(
IEnumerable <Light> lights,
Primitives.ColorTemperature newColorTemperature,
Primitives.Brightness newBrightness)
{
// Lights to update
Dictionary <LightCommand, IList <string> > lightsCommands = new Dictionary <LightCommand, IList <string> >();
double[] newColorTemperatureAsXY = newColorTemperature.XY;
// Group all lights by common name to ensure all like-named light group have a single, common brightness value.
IEnumerable <IGrouping <string, Light> > lightGroups = lights
.GroupBy(light =>
light.Name.Trim().LastIndexOf(" ") > 0 ?
light.Name.Substring(0, light.Name.Trim().LastIndexOf(" ")) :
light.Name)
.OrderBy(lightGroup => lightGroup.Key);
foreach (IGrouping <string, Light> lightGroup in lightGroups)
{
Primitives.Brightness brightnessMostCommon = lightGroup
.GroupBy(x => x.State.Brightness)
// Never choose a Zero brightness as the most common.
.OrderByDescending(x => x.All(y => y.State.Brightness != 0))
// Prefer the brightness which matches the previous brightness value to help stay in sync with Flux.
.ThenByDescending(x => x.All(y => LastBrightnesses.Contains(y.State.Brightness)))
// Tie breaker for the more common value, if any.
.ThenByDescending(x => x.Count())
// Prefer the highest value as final tie-breaker.
.ThenByDescending(x => x.First().State.Brightness)
.Select(x => x.Key)
.First();
Primitives.Brightness brightnessToSet =
(
// Last brightness was previously set by Flux.
LastBrightnesses.Contains(brightnessMostCommon) ||
// Brightness has an invalid brightness value.
brightnessMostCommon == 0
) ? newBrightness : brightnessMostCommon;
Log.Debug($"'{nameof(CalculateLightCommands)}' {lightGroup.Key} has common brightness value '{brightnessMostCommon}'. Setting to '{brightnessToSet}'.");
foreach (Light light in lightGroup)
{
if (light.State.On)
{
bool needToSetBrightness = light.State.Brightness != brightnessToSet;
bool needToSetColorTemperature = false;
if (light.SupportsColorOrTemperatureChange())
{
switch (light.State.ColorMode)
{
case "xy":
{
double xyDifference = Math.Abs(light.State.ColorCoordinates[0] - newColorTemperatureAsXY[0]) + Math.Abs(light.State.ColorCoordinates[1] - newColorTemperatureAsXY[1]);
if (xyDifference > 0.001 && xyDifference < 0.15)
{
needToSetColorTemperature = true;
}
}
break;
case "hs":
// Hue & Saturation is always to be ignored by Flux.
needToSetColorTemperature = false;
break;
case "ct":
default:
// Only set ColorTemp values if there's an allowable change.
needToSetColorTemperature = (new Primitives.ColorTemperature(light.State.ColorTemperature.Value) != newColorTemperature) && newColorTemperature.IsInAllowedColorRange(light.GetLightType());
break;
}
}
// Only send a light adjustment command when needed.
if ((needToSetColorTemperature && light.ControlTemperature()) || (needToSetBrightness && light.ControlBrightness()))
{
LightCommand lightCommand = lightsCommands.Keys.SingleOrDefault(x =>
x.Brightness == ((needToSetBrightness && light.ControlBrightness()) ? brightnessToSet : null) &&
x.ColorTemperature == ((needToSetColorTemperature && light.ControlTemperature()) ? newColorTemperature : null));
if (null != lightCommand)
{
lightsCommands[lightCommand].Add(light.Id);
}
else
{
lightCommand = new LightCommand()
{
ColorTemperature = (needToSetColorTemperature && light.ControlTemperature()) ? newColorTemperature : null,
Brightness = (needToSetBrightness && light.ControlBrightness()) ? brightnessToSet : null,
TransitionTime = LightTansitionTime,
};
lightsCommands[lightCommand] = new List <string>()
{
light.Id
};
}
}
}
}
}
return(lightsCommands);
}
/// <summary>
///
/// </summary>
/// <param name="client"></param>
/// <param name="lightsToSet"></param>
/// <param name="colorTemperature"></param>
internal async Task ModifyFluxSwitchScenes(
HueClient client,
IEnumerable <Light> lights,
Primitives.ColorTemperature colorTemperature,
Primitives.Brightness newBrightness)
{
Dictionary <string, int> scenesModified = new Dictionary <string, int>();
IEnumerable <Scene> scenes = null;
try
{
scenes = await client.GetScenesAsync();
}
catch (Exception e)
{
Log.Debug($"'{nameof(ModifyFluxSwitchScenes)}' exception attempting to get all scenes from client. '{e.Message}' '{e.InnerException}'.");
return;
}
scenes = scenes.Where(x =>
x.Name.ToLowerInvariant().Contains("flux") &&
(!x.Recycle.HasValue || !x.Recycle.Value));
// Scenes to update
foreach (Scene sceneId in scenes)
{
Scene scene = null;
try
{
scene = await client.GetSceneAsync(sceneId.Id);
}
catch (Exception e)
{
Log.Debug($"'{nameof(ModifyFluxSwitchScenes)}' exception attempting to get scene info from client. '{e.Message}' '{e.InnerException}'.");
}
if (null != scene)
{
Dictionary <string, State> lightStates = scene.LightStates;
// Update scenes to use the new color temperature and brightness
foreach (string lightId in scene.LightStates.Keys)
{
Light light = lights.Get(lightId);
if (lightStates[lightId].On && light.IsFluxControlled())
{
LightCommand lightCommand = new LightCommand()
{
On = true,
};
if (light.ControlTemperature())
{
lightCommand.ColorTemperature = colorTemperature.NormalizeColorForAllowedColorRange(light.GetLightType());
}
if (light.ControlBrightness() && LastBrightnesses.Contains(lightStates[lightId].Brightness))
{
lightCommand.Brightness = newBrightness;
}
else
{
lightCommand.Brightness = lightStates[lightId].Brightness;
}
try
{
if ((lightCommand.ColorTemperature.HasValue && lightStates[lightId].ColorTemperature != lightCommand.ColorTemperature.Value) ||
(lightCommand.Brightness.HasValue && lightStates[lightId].Brightness != lightCommand.Brightness.Value))
{
HueResults result = await client.ModifySceneAsync(sceneId.Id, lightId, lightCommand);
// Increment the number of lights modified per scene
if (scenesModified.ContainsKey(scene.Name))
{
scenesModified[scene.Name]++;
}
else
{
scenesModified.Add(scene.Name, 1);
}
// Limit hub requests
await Task.Delay(TimeSpan.FromMilliseconds(15));
}
}
catch (Exception exception)
{
Log.Error($"Exception: '{nameof(ModifyFluxSwitchScenes)}' unable to modify scene ID '{sceneId.Id}' named '{scene.Name}' for light id '{lightId}' with color temperature set to '{lightCommand.ColorTemperature}' and brightness '{lightCommand.Brightness}'. {exception.Message}");
// Limit hub requests
await Task.Delay(TimeSpan.FromMilliseconds(100));
}
}
}
}
}
Log.Info($"'{nameof(ModifyFluxSwitchScenes)}' modified '{scenesModified.Count()}' scenes to color temperature '{colorTemperature}' and brightness '{newBrightness.ToString()}'.");
}