gistfile1

class User < ActiveRecord::Base
  
  acts_as_authentic do |c|
    c.crypto_provider = Authlogic::CryptoProviders::BCrypt
  end
  
  belongs_to :role
  has_one :artist

  has_attached_file :photo,
      :styles => {
        :thumb=> "100x100>",
        :small  => "150x150>",
        :medium => "300x300>"
      }
  
  attr_accessor :password_confirmation
  
  validates_presence_of     :password, :if => :password_required?
  validates_confirmation_of :password, :if => :password_required?
  
  has_many :lessons, :through => :saved_lessons
  has_many :saved_lessons
  
  def self.authenticate(username, password)
    find :first, :conditions => {:email => username, :password => password}
  end
  
  private 
  
  def password_required?
    new_record?
  end
  
end