jam-cloud/lib/jam_ruby/models/user.rb

module JamRuby
  class User < ActiveRecord::Base

    attr_accessible :name, :email, :password, :password_confirmation
		attr_accessor :updating_password

		self.primary_key = 'id'
    
		has_many :jam_session_members, :class_name => "JamRuby::JamSessionMember"
    has_many :created_jam_sessions, :foreign_key => "user_id", :inverse_of => :user, :class_name => "JamRuby::JamSession" # sessions *created* by the user
    has_many :jam_sessions, :through => :jam_session_members, :class_name => "JamRuby::JamSession"
    
    has_secure_password

    before_save { |user| user.email = email.downcase }
    before_save :create_remember_token

    validates :name, presence: true, length: {maximum: 50}
    VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
    validates :email, presence: true, format: {with: VALID_EMAIL_REGEX},
              uniqueness: {case_sensitive: false}
    validates_length_of :password, minimum: 6, maximum: 100, :if => :should_validate_password?

		validates_presence_of :password_confirmation, :if => :should_validate_password?
    #validates :password_confirmation, presence: true
		validates_confirmation_of :password, :if => :should_validate_password?

		def should_validate_password?
			updating_password || new_record?
		end

		def to_s
			return email unless email.nil?
			return name unless name.nil?
			return id
		end

		private
    def create_remember_token
      self.remember_token = SecureRandom.urlsafe_base64
    end
  end
end