class Item < ActiveRecord::Base
	belongs_to :category, :order => :position
	has_many :images, :order => :position, :conditions => "item_id != ''"
	acts_as_list :scope => :category_id
	
	validates_presence_of :name
	validates_presence_of :category_id, :message => "must be selected"
	validates_presence_of :description, :message => "must be entered"
	
  file_column :image, :magick => {:versions => {
        :thumb => {:crop => "1:1", :size => "50x50!", :name => "thumb"},
        :normal => {:size => "500x500>"}
        }
      }
end