gistfile1.rb

class Pet < ActiveRecord::Base
  as_enum :species, {:cat => 0, :dog => 1, :other => 2}, :prefix => true
  as_enum :status, {:lost => 0, :found => 1}, :prefix => true

  validates :name, :description, :zip, :species_cd, presence: true
  validates :zip, numericality: { only_integer: true}

  has_attached_file :avatar, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
  validates_attachment_content_type :avatar, :content_type => /\Aimage\/.*\Z/

  scope :lost, -> { where(:status_cd => Pet.status_lost) }
  scope :found, -> { where(:status_cd => Pet.status_found) }

end