class Prop < ActiveRecord::Base
	#Validates fields for data entered by user when submitted
	validates_presence_of :title, :category, :availability, :keywords, :description, :price
	validates_numericality_of :price, :on => :save
	validates_numericality_of :year, :on => :create

	def list_by(field, item)
		self.find(:one, :params => { field => item })
  end
end