class Darklite::Utils
Utilities for common use
Constants
- DAYTIME_CT
- EVENING_CT
- NIGHTTIME_CT
TODO: Convert to runtime config
Public Class Methods
change_lights(brightness, temperature)
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# File lib/darklite/utils.rb, line 10 def self.change_lights(brightness, temperature) Huey::Bulb.all.update(bri: brightness, ct: temperature, on: true) end
convert_to_seconds(time)
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# File lib/darklite/utils.rb, line 18 def self.convert_to_seconds(time) (time.hour * 3600) + (time.min * 60) + time.sec end
estimate_color_temperature(current_time, sunrise_time, sunset_time)
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TODO: Convert from fixed windows to proper twilight/dusk calculations rubocop:disable AbcSize, MethodLength
# File lib/darklite/utils.rb, line 34 def self.estimate_color_temperature(current_time, sunrise_time, sunset_time) current = convert_to_seconds(current_time) sunrise = convert_to_seconds(sunrise_time) sunset = convert_to_seconds(sunset_time) case current # Morning Transition -> Daytime when sunrise + 1..sunrise + 600 interpolate(NIGHTTIME_CT, DAYTIME_CT, (current - sunrise), 600) # Daytime -> Evening Transition when sunrise + 601..sunset - 1800 DAYTIME_CT # Evening Transition -> Evening when sunset - 1799..sunset + 2400 interpolate(DAYTIME_CT, EVENING_CT, current - (sunset - 1799), 4200) # Evening -> Night Transition when sunset + 2401..sunset + 7199 interpolate(EVENING_CT, NIGHTTIME_CT, current - (sunset + 2401), 4800) else NIGHTTIME_CT end end
interpolate(start, stop, step, resolution)
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# File lib/darklite/utils.rb, line 22 def self.interpolate(start, stop, step, resolution) ratio = step.to_f / resolution.to_f if start < stop (((stop - start) * ratio) + start).round else (((start - stop) * (1 - ratio)) + stop).round end end
turn_off_lights()
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# File lib/darklite/utils.rb, line 14 def self.turn_off_lights Huey::Bulb.all.update(on: false) end