class Special < ActiveRecord::Base

belongs_to :bar

validates_presence_of :bar_id, :name, :day
validates_numericality_of :price, :if => Proc.new{ |p| not p.price.blank? }

def self.get_for_week(bar_id)
  specials = Special.find(:all, :conditions => ['bar_id = ?', bar_id])
  Special.weekify(specials)
end

def self.weekify(specials)
  week = Array.new(7){|i| specials.find_all{|s| s.day == i}}
  week.each_with_index{ |day, i| week[i] = [nil] if day.empty? }
end