+ has_many :diary_entries
+
+ validates_confirmation_of :pass_crypt, :message => 'Password must match the confirmation password'
+ validates_uniqueness_of :display_name, :allow_nil => true
+ validates_uniqueness_of :email
+ validates_length_of :pass_crypt, :minimum => 8
+ validates_length_of :display_name, :minimum => 3, :allow_nil => true
+ validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
+
+ def set_defaults
+ self.creation_time = Time.now
+ self.timeout = Time.now
+ self.token = User.make_token()
+ end
+
+ def pass_crypt=(str)
+ write_attribute("pass_crypt", Digest::MD5.hexdigest(str))
+ end
+
+ def pass_crypt_confirmation=(str)
+ write_attribute("pass_crypt_confirm", Digest::MD5.hexdigest(str))
+ end
+
+ def self.authenticate(email, passwd) \r
+ find(:first, :conditions => [ "email = ? AND pass_crypt = ?", email, Digest::MD5.hexdigest(passwd)])\r
+ end
+
+ def self.authenticate_token(token)
+ find(:first, :conditions => [ "token = ? ", token])
+ end
+
+ def self.make_token(length=30)
+ chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
+ confirmstring = ''
+
+ length.times do
+ confirmstring += chars[(rand * chars.length).to_i].chr
+ end