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path: root/users/app/models/user.rb
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class User < CouchRest::Model::Base

  use_database :users

  property :login, String, :accessible => true
  property :password_verifier, String, :accessible => true
  property :password_salt, String, :accessible => true

  property :enabled, TrueClass, :default => true

  validates :login, :password_salt, :password_verifier,
    :presence => true

  validates :login,
    :uniqueness => true,
    :if => :serverside?

  # Have multiple regular expression validations so we can get specific error messages:
  validates :login,
    :format => { :with => /\A.{2,}\z/,
      :message => "Login must have at least two characters"}
  validates :login,
    :format => { :with => /\A[a-z\d_\.-]+\z/,
      :message => "Only lowercase letters, digits, . - and _ allowed."}
  validates :login,
    :format => { :with => /\A[a-z].*\z/,
      :message => "Login must begin with a lowercase letter"}
  validates :login,
    :format => { :with => /\A.*[a-z\d]\z/,
      :message => "Login must end with a letter or digit"}

  validate :login_is_unique_alias

  validates :password_salt, :password_verifier,
    :format => { :with => /\A[\dA-Fa-f]+\z/, :message => "Only hex numbers allowed" }

  validates :password, :presence => true,
    :confirmation => true,
    :format => { :with => /.{8}.*/, :message => "needs to be at least 8 characters long" }

  timestamps!

  design do
    own_path = Pathname.new(File.dirname(__FILE__))
    load_views(own_path.join('..', 'designs', 'user'))
    view :by_login
    view :by_created_at
  end # end of design

  class << self
    alias_method :find_by_param, :find
  end

  def to_param
    self.id
  end

  def to_json(options={})
    {
      :login => login,
      :ok => valid?
    }.to_json(options)
  end

  def salt
    password_salt.hex
  end

  def verifier
    password_verifier.hex
  end

  def username
    login
  end

  def email_address
    LocalEmail.new(login)
  end

  # Since we are storing admins by login, we cannot allow admins to change their login.
  def is_admin?
    APP_CONFIG['admins'].include? self.login
  end

  def most_recent_tickets(count=3)
    Ticket.for_user(self).limit(count).all #defaults to having most recent updated first
  end

  # DEPRECATED
  #
  # Please set the key on the identity directly
  # WARNING: This will not be serialized with the user record!
  # It is only a workaround for the key form.
  def public_key=(value)
    identity.set_key(:pgp, value)
  end

  # DEPRECATED
  #
  # Please access identity.keys[:pgp] directly
  def public_key
    identity.keys[:pgp]
  end

  def identity
    @identity ||= Identity.for(self)
  end

  protected

  ##
  #  Validation Functions
  ##

  def login_is_unique_alias
    alias_identity = Identity.find_by_address(self.email_address)
    return if alias_identity.blank?
    if alias_identity.user != self
      errors.add(:login, "has already been taken")
    end
  end

  def password
    password_verifier
  end

  # used as a condition for validations that are server side only
  def serverside?
    true
  end
end