OK:
My User model:
require 'digest'
class User < ActiveRecord::Base
attr_accessor :passwd
validates :passwd, :confirmation => true,
:length => { :within => 6..20 },
:presence => true,
:if => :password_required?
validates :nickname, :uniqueness => true,
:length => { :within => 5..50}
has_many :comments
has_many :entries, :class_name => "User", :foreign_key =>
"geomatics_elaboration_id"
has_and_belongs_to_many :entries
before_save :encrypt_new_password
def fullname
(self.firstname + " " + self.lastname)
end
def self.authenticate(nick, passwd)
user = User.find_by_nickname(nick)
return user if (user and user.active and user.authenticated?(passwd))
end
def authenticated?(passwd)
self.password == encrypt(passwd)
end
protected
def encrypt_new_password
return if passwd.blank?
self.password = encrypt(passwd)
end
def password_required?
password.blank? or passwd.present?
end
def encrypt(string)
Digest::SHA1.hexdigest(string)
end
end
My Entry model:
class Entry < ActiveRecord::Base
belongs_to :applicant
belongs_to :entry_type
belongs_to :parish
belongs_to :elaborator, :class_name => "User", :foreign_key =>
"geomatics_elaboration_id"
belongs_to :checker, :class_name => "User", :foreign_key =>
"geomatics_checker_id"
has_many :comments
has_and_belongs_to_many :users
def find_related_applicant_by_idcard(idCard)
self.applicant_id = Applicant.find_by_idcard(idCard).id
end
end
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