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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 :email_forward, String, :accessible => true
  property :email_aliases, [LocalEmail]

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

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

  validates :login,
    :format => { :with => /\A[A-Za-z\d_\.]+\z/,
      :message => "Only letters, digits, . and _ allowed" }

  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" }

  validates :email_forward,
    :format => { :with => /\A(([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,}))?\Z/, :message => "needs to be a valid email address"}

  timestamps!

  design do
    load_views(Rails.root.join('users', 'app', 'designs', 'user'))
    view :by_login
    view :by_created_at
  end

  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 initialize_auth(aa)
    return SRP::Session.new(self, aa)
  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

  # this currently only adds the first email address submitted.
  # All the ui needs for now.
  def email_aliases_attributes=(attrs)
    email_aliases.build(attrs.values.first) if attrs
  end

  protected

  ##
  #  Validation Functions
  ##

  def login_is_unique_alias
    has_alias = User.find_by_login_or_alias(username)
    return if has_alias.nil?
    if has_alias != self
      errors.add(:login, "has already been taken")
    elsif has_alias.login != self.login
      errors.add(:login, "may not be the same as one of your aliases")
    end
  end

  def password
    password_verifier
  end

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