class Closet < ActiveRecord::Base
  belongs_to :floor
  validates_associated :floor
  
  has_many :switches
  
  validates_presence_of :number
  validates_uniqueness_of :number,
                          :scope => 'floor_id'
                          :message => 'already exists on this floor'
  validates_length_of :number, :maximum => 10
  
  def validate
    if closet.floor.rooms.collect {|r| r.number }.include?(closet.number)
      errors.add(:number, "can't be the same number as a room on the same floor")
      return false
    end
  end