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light.go
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light.go
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// MIT License
//
// # Copyright (c) 2019 Stefan Wichmann
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package main
import (
"time"
log "github.com/sirupsen/logrus"
hue "github.com/stefanwichmann/go.hue"
)
const initializationDuration = 3 * time.Second
// Light represents a light kelvin can automate in your system.
type Light struct {
ID int `json:"id"`
Name string `json:"name"`
HueLight HueLight `json:"-"`
TargetLightState LightState `json:"targetLightState,omitempty"`
Scheduled bool `json:"scheduled"`
Reachable bool `json:"reachable"`
On bool `json:"on"`
Tracking bool `json:"-"`
Automatic bool `json:"automatic"`
Initializing bool `json:"-"`
Schedule Schedule `json:"-"`
Interval Interval `json:"interval"`
Appearance time.Time `json:"-"`
}
func (light *Light) updateCurrentLightState(attr hue.LightAttributes) error {
light.HueLight.updateCurrentLightState(attr)
light.Reachable = light.HueLight.Reachable
light.On = light.HueLight.On
return nil
}
func (light *Light) update(transistionTime time.Duration) (bool, error) {
// Is the light associated to any schedule?
if !light.Scheduled {
return false, nil
}
// If the light is not reachable anymore clean up
if !light.Reachable {
if light.Tracking {
log.Printf("π‘ Light %s - Light is no longer reachable. Clearing state...", light.Name)
light.Tracking = false
light.Automatic = false
light.Initializing = false
return false, nil
}
// Ignore light because we are not tracking it.
return false, nil
}
// If the light was turned off clean up
if !light.On {
if light.Tracking {
log.Printf("π‘ Light %s - Light was turned off. Clearing state...", light.Name)
light.Tracking = false
light.Automatic = false
light.Initializing = false
return false, nil
}
// Ignore light because we are not tracking it.
return false, nil
}
// Did the light just appear?
if !light.Tracking {
log.Printf("π‘ Light %s - Light just appeared.", light.Name)
light.Tracking = true
light.Appearance = time.Now()
// Should we auto-enable Kelvin?
if light.Schedule.enableWhenLightsAppear {
log.Printf("π‘ Light %s - Initializing state to %vK at %v%% brightness.", light.Name, light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness)
err := light.HueLight.setLightState(light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness, transistionTime)
if err != nil {
log.Debugf("π‘ Light %s - Could not initialize light after %v", light.Name, time.Since(light.Appearance))
return true, err
}
light.Automatic = true
light.Initializing = true
log.Debugf("π‘ Light %s - Light was initialized to %vK at %v%% brightness", light.Name, light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness)
return true, nil
}
}
// Ignore light if it was changed manually
if !light.Automatic {
// return if we should ignore color temperature and brightness
if light.TargetLightState.ColorTemperature == -1 && light.TargetLightState.Brightness == -1 {
return false, nil
}
// if status == scene state --> Activate Kelvin
if light.HueLight.hasState(light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness) {
log.Printf("π‘ Light %s - Detected matching target state. Activating Kelvin...", light.Name)
light.Automatic = true
light.Initializing = true
// set correct target lightstate on HueLight
err := light.HueLight.setLightState(light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness, transistionTime)
if err != nil {
return true, err
}
log.Debugf("π‘ Light %s - Updated light state to %vK at %v%% brightness (Scene detection)", light.Name, light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness)
return true, nil
}
// Light was changed manually and does not conform to scene detection
return false, nil
}
// Keep adjusting the light state for 10 seconds after the light appeared
if light.Initializing {
log.Debugf("π‘ Light %s - Light in initialization for %v (TargetColorTemperature: %d, CurrentColorTemperature: %d, TargetColor: %v, CurrentColor: %v, TargetBrightness: %d, CurrentBrightness: %d)", light.Name, time.Since(light.Appearance), light.HueLight.TargetColorTemperature, light.HueLight.CurrentColorTemperature, light.HueLight.TargetColor, light.HueLight.CurrentColor, light.HueLight.TargetBrightness, light.HueLight.CurrentBrightness)
hasChanged := light.HueLight.hasChanged()
// Disable initialization phase if 10 seconds have passed and the light state has been adopted
if time.Now().After(light.Appearance.Add(initializationDuration)) && !hasChanged {
log.Debugf("π‘ Light %s - Ending initialization phase after %v", light.Name, time.Since(light.Appearance))
light.Initializing = false
}
if hasChanged {
err := light.HueLight.setLightState(light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness, transistionTime)
if err != nil {
return true, err
}
log.Debugf("π‘ Light %s - Adjusting light state to %vK at %v%% brightness (Initialization)", light.Name, light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness)
return true, nil
}
return false, nil
}
// Did the user manually change the light state?
if light.HueLight.hasChanged() {
if log.GetLevel() == log.DebugLevel {
log.Debugf("π‘ Light %s - Light state has been changed manually after %v (TargetColorTemperature: %d, CurrentColorTemperature: %d, TargetColor: %v, CurrentColor: %v, TargetBrightness: %d, CurrentBrightness: %d)", light.Name, time.Since(light.Appearance), light.HueLight.TargetColorTemperature, light.HueLight.CurrentColorTemperature, light.HueLight.TargetColor, light.HueLight.CurrentColor, light.HueLight.TargetBrightness, light.HueLight.CurrentBrightness)
} else {
log.Printf("π‘ Light %s - Light state has been changed manually. Disabling Kelvin...", light.Name)
}
light.Automatic = false
return false, nil
}
// Update of lightstate needed?
if light.HueLight.hasState(light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness) {
return false, nil
}
// Light is turned on and in automatic state. Set target lightstate.
err := light.HueLight.setLightState(light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness, transistionTime)
if err != nil {
return true, err
}
log.Printf("π‘ Light %s - Updated light state to %vK at %v%% brightness", light.Name, light.TargetLightState.ColorTemperature, light.TargetLightState.Brightness)
return true, nil
}
func (light *Light) updateSchedule(schedule Schedule) {
light.Schedule = schedule
light.Scheduled = true
log.Printf("π‘ Light %s - Activating schedule for %v (Sunrise: %v, Sunset: %v)", light.Name, light.Schedule.endOfDay.Format("Jan 2 2006"), light.Schedule.sunrise.Time.Format("15:04"), light.Schedule.sunset.Time.Format("15:04"))
light.updateInterval()
}
func (light *Light) updateInterval() {
if !light.Scheduled {
log.Debugf("π‘ Light %s - Light is not associated to any schedule. No interval to update...", light.Name)
return
}
newInterval, err := light.Schedule.currentInterval(time.Now())
if err != nil {
log.Warningf("π‘ Light %s - Could not determine interval for current schedule: %v", light.Name, err)
return
}
if newInterval != light.Interval {
light.Interval = newInterval
log.Printf("π‘ Light %s - Activating interval %v - %v", light.Name, light.Interval.Start.Time.Format("15:04"), light.Interval.End.Time.Format("15:04"))
}
}
func (light *Light) updateTargetLightState() bool {
if !light.Scheduled {
log.Debugf("π‘ Light %s - Light is not associated to any schedule. No target light state to update...", light.Name)
return false
}
// Calculate the target lightstate from the interval
newLightState := light.Interval.calculateLightStateInInterval(time.Now())
// Did the target light state change?
if newLightState.equals(light.TargetLightState) {
return false
}
// First initialization of the TargetLightState?
if light.TargetLightState.ColorTemperature == 0 && light.TargetLightState.Brightness == 0 {
log.Debugf("π‘ Light %s - Initialized target light state for the interval %v - %v to %+v", light.Name, light.Interval.Start.Time.Format("15:04"), light.Interval.End.Time.Format("15:04"), newLightState)
} else {
log.Debugf("π‘ Light %s - Updated target light state for the interval %v - %v from %+v to %+v", light.Name, light.Interval.Start.Time.Format("15:04"), light.Interval.End.Time.Format("15:04"), light.TargetLightState, newLightState)
}
light.TargetLightState = newLightState
return true
}