class User < ActiveRecord::Base
  include Gravtastic

  before_create :set_default_role

  belongs_to :role

  gravtastic :size => 165, :filetype => :png, :rating => 'R'
    
  # Include default devise modules. Others available are:
  # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable

  validates :username, :presence => true, :uniqueness => true

  # Setup accessible (or protected) attributes for your model
  attr_accessible :username, :email, :password, :password_confirmation, :remember_me, :role_id
  
  has_many :topics, :dependent => :destroy
  has_many :posts, :dependent => :destroy
  
  def registered?
    self.role == Role.find_by_name('registered')
  end

  def banned?
    self.role == Role.find_by_name('banned')
  end

  def moderator?
    self.role == Role.find_by_name('moderator')
  end
  
  def admin?
    self.role == Role.find_by_name('admin')
  end 
  
  private
  def set_default_role
    self.role ||= Role.find_by_name('registered')
  end
end