Method: Request::Choregraphy#set

Defined in:

lib/violet/request.rb

#set(command) ⇒ Object

Raises:

• (BadChorDesc)

# File 'lib/violet/request.rb', line 404

def set command
  raise BadChorDesc.new('wrong Choregraphy description')    unless command.is_a?(LedCommandStruct)
  raise BadChorDesc.new('need an element')                  unless command.elements
  command.elements.each do |e|
    raise BadChorDesc.new('wrong element')                  unless e == :all or e.between?(Leds::Positions::BOTTOM,Leds::Positions::TOP)
  end
  raise BadChorDesc.new('need a time')                      unless command.time
  raise BadChorDesc.new('time must be >= than zero')        unless command.time.to_i >= 0
  raise BadChorDesc.new('need a color')                     unless command.color
  raise BadChorDesc.new('wrong size for rgb color array')   unless command.color.size == 3
  command.color.collect! do |c|
    raise BadChorDesc.new('color code must be betwen 0 and 255') unless c.to_i.between?(0,255)
    c.to_i
  end

  template = '%s,led,%s,%s'
  command.color = command.color.join(',')

  # remove trailling element if all is set
  command.elements.uniq!
  command.elements = [:all] if command.elements.include?(:all)

  command.elements.each do |e|
    if e == :all
      (Leds::Positions.constants - ['ALL']).each do |cste_name|
        cste = Helpers.constantize "#{self.class}::Leds::Positions::#{cste_name}"
        @chor << template % [ command.time.to_i, cste, command.color ]
      end
    else
        @chor << template % [ command.time.to_i,  e, command.color ]
    end
  end
end