Class: Huey::Bulb

Inherits:
Object
  • Object
show all
Defined in:
lib/huey/bulb.rb

Overview

An actual object for a bulb.

Constant Summary collapse

ATTRIBUTES = 
[:on, :bri, :hue, :sat, :xy, :ct, :name, :transitiontime, :colormode, :effect, :reachable, :alert]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id, hash) ⇒ Bulb

Returns a new instance of Bulb.



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# File 'lib/huey/bulb.rb', line 24

def initialize(id, hash)
  @id = id.to_i
  @changes = {}
  @name = hash['name']

  reload(hash)
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/huey/bulb.rb', line 8

def id
  @id
end

Class Method Details

.all ⇒ Object 



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# File 'lib/huey/bulb.rb', line 10

def self.all
  @all ||= Huey::Request.get['lights'].collect do |id, hash|
    Bulb.new(id, hash)
  end
end

.find(id) ⇒ Object 



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# File 'lib/huey/bulb.rb', line 16

def self.find(id)
  self.all.find {|b| b.id == id || b.name.include?(id.to_s)}
end

.find_all(id) ⇒ Object 



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# File 'lib/huey/bulb.rb', line 20

def self.find_all(id)
  self.all.select {|b| b.id == id || b.name.include?(id.to_s)}
end

Instance Method Details

#alert! ⇒ Object 



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# File 'lib/huey/bulb.rb', line 113

def alert!
  self.update(alert: 'none') if self.alert != 'none'
  self.update(alert: 'select')
end

#reload(hash = nil) ⇒ Object 



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# File 'lib/huey/bulb.rb', line 32

def reload(hash = nil)
  hash ||= Huey::Request.get("lights/#{self.id}")

  (Huey::Bulb::ATTRIBUTES - [:name]).each do |attribute|
    instance_variable_set("@#{attribute}".to_sym, hash['state'][attribute.to_s])
  end

  self
end

#rgb ⇒ Object 



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# File 'lib/huey/bulb.rb', line 68

def rgb
  Color::HSL.new(self.hue.to_f / 182.04, self.sat.to_f / 255.0 * 100.0, self.bri.to_f / 255.0 * 100.0).to_rgb.html
end

#rgb=(hex) ⇒ Object 



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# File 'lib/huey/bulb.rb', line 72

def rgb=(hex)
  color = Color::RGB.from_html(hex)

  # Manual calcuation is necessary here because of an error in the Color library
  r = color.r
  g = color.g
  b = color.b
  max = [r, g, b].max
  min = [r, g, b].min
  delta = max - min
  v = max * 100

  if (max != 0.0)
    s = delta / max * 100
  else
    s = 0.0
  end

  if (s == 0.0)
    h = 0.0
  else
    if (r == max)
      h = (g - b) / delta
    elsif (g == max)
      h = 2 + (b - r) / delta
    elsif (b == max)
      h = 4 + (r - g) / delta
    end

    h *= 60.0

    if (h < 0)
      h += 360.0
    end
  end

  self.hue = (h * 182.04).round
  self.sat = (s / 100.0 * 255.0).round
  self.bri = (v / 100.0 * 255.0).round
end

#save ⇒ Object Also known as: commit 



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# File 'lib/huey/bulb.rb', line 55

def save
  Huey::Request.put("lights/#{self.id}/state", body: MultiJson.dump(@changes))
  @changes = {}
  true
end

#update(hash) ⇒ Object 



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# File 'lib/huey/bulb.rb', line 62

def update(hash)
  hash.each { |k, v| self.send("#{k}=".to_sym, v) }

  save
end