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

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

  property :email, 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" }

  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" }

  # TODO: write a proper email validator to be used in the different places
  validates :email,
    :format => { :with => /\A(([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,}))?\Z/, :message => "needs to be a valid email address"}

  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
    view :by_login
    view :by_created_at
    view :by_email
    view :by_email_alias,
      :map => <<-EOJS
    function(doc) {
      if (doc.type != 'User') {
        return;
      }
      doc.email_aliases.forEach(function(alias){
        emit(alias.email, doc);
      });
    }
    EOJS
    view :by_email_or_alias,
      :map => <<-EOJS
    function(doc) {
      if (doc.type != 'User') {
        return;
      }
      if (doc.email) {
        emit(doc.email, doc);
      }
      doc.email_aliases.forEach(function(alias){
        emit(alias.email, doc);
      });
    }
    EOJS
  end

  class << self
    alias_method :find_by_param, :find

    # valid set of attributes for testing
    def valid_attributes_hash
      { :login => "me",
        :password_verifier => "1234ABCD",
        :password_salt => "4321AB" }
    end

  end

  alias_method :to_param, :id

  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

  # 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 email_aliases_attributes=(attrs)
    if attrs
      email_alias = Email.new(attrs.values.first)
      email_aliases << email_alias
    end
  end

  protected
  def password
    password_verifier
  end

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