Yes, yes we do.

Too bad Posterous doesn’t have a preview function. Maybe I should compose in ReText.

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class User < ActiveRecord::Base
  # Active devise modules. Others available are:
  #   :token_authenticatable, :encryptable, :timeoutable, :omniauthable
  devise :database_authenticatable, :registerable, :recoverable,
    :rememberable, :trackable, :validatable, :confirmable, :lockable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation, :remember_me, :name

  # Users have and belong to many permissions
  has_and_belongs_to_many :permissions, :uniq => true

  # Users have and belong to many items
  has_and_belongs_to_many :items, :uniq => true

  # Validations (Login credentials are handled by Devise)
  validates :name, :presence => true

  def administrator?
    !!self.permissions.find_by_symbol(:administrator)
  end

  def account_type
    self.administrator? ? 'Administrator' : 'User'
  end
end

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