contract.rb

class Contact < ActiveRecord::Base

  hobo_model # Don't put anything above this

  fields do
    name  :string
     timestamps
  end
  belongs_to :title

  # --- Permissions --- #

  def create_permitted?
    acting_user.administrator?
  end

  def update_permitted?
    acting_user.administrator?
  end

  def destroy_permitted?
    acting_user.administrator?
  end

  def view_permitted?(field)
    true
  end

end

gistfile3.txt

http://screencast.com/t/ZGFmZDQ0NT
http://screencast.com/t/ZjRlM2I5OGIt

title.rb

class Title < ActiveRecord::Base

  hobo_model # Don't put anything above this

  fields do
    name :string
    timestamps
  end

  has_many :contacts

  # --- Permissions --- #

  def create_permitted?
    acting_user.administrator?
  end

  def update_permitted?
    acting_user.administrator?
  end

  def destroy_permitted?
    acting_user.administrator?
  end

  def view_permitted?(field)
    true
  end

end