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Commit Description:
Merged online-registration branch changes r297:303 into the trunk...
Commit Description:
Merged online-registration branch changes r297:303 into the trunk git-svn-id: http://theory.cpe.ku.ac.th/grader/web/trunk@303 6386c4cd-e34a-4fa8-8920-d93eb39b512e
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app/models/user.rb | 138 lines | 3.4 KiB | text/x-ruby | RubyLexer |
require 'digest/sha1'
class User < ActiveRecord::Base
has_and_belongs_to_many :roles
has_many :test_requests, :order => "submitted_at DESC"
has_many :messages,
:class_name => "Message",
:foreign_key => "sender_id",
:order => 'created_at DESC'
has_many :replied_messages,
:class_name => "Message",
:foreign_key => "receiver_id",
:order => 'created_at DESC'
belongs_to :site
belongs_to :country
named_scope :activated_users, :conditions => {:activated => true}
validates_presence_of :login
validates_uniqueness_of :login
validates_format_of :login, :with => /^[\_a-z0-9]+$/
validates_length_of :login, :within => 3..10
validates_presence_of :full_name
validates_length_of :full_name, :minimum => 1
validates_presence_of :password, :if => :password_required?
validates_length_of :password, :within => 4..20, :if => :password_required?
validates_confirmation_of :password, :if => :password_required?
validates_format_of :email, :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i, :allow_blank => true
validate :uniqueness_of_email_from_activated_users
validate :enough_time_interval_between_same_email_registrations
attr_accessor :password
before_save :encrypt_new_password
def self.authenticate(login, password)
user = find_by_login(login)
return user if user && user.authenticated?(password)
end
def authenticated?(password)
if self.activated
hashed_password == User.encrypt(password,self.salt)
else
false
end
end
def admin?
self.roles.detect {|r| r.name == 'admin' }
end
def email_for_editing
if self.email==nil
"(unknown)"
elsif self.email==''
"(blank)"
else
self.email
end
end
def email_for_editing=(e)
self.email=e
end
def alias_for_editing
if self.alias==nil
"(unknown)"
elsif self.alias==''
"(blank)"
else
self.alias
end
end
def alias_for_editing=(e)
self.alias=e
end
def activation_key
if self.hashed_password==nil
encrypt_new_password
end
Digest::SHA1.hexdigest(self.hashed_password)[0..7]
end
def verify_activation_key(key)
key == activation_key
end
def self.random_password(length=5)
chars = 'abcdefghjkmnopqrstuvwxyz'
password = ''
length.times { password << chars[rand(chars.length - 1)] }
password
end
protected
def encrypt_new_password
return if password.blank?
self.salt = (10+rand(90)).to_s
self.hashed_password = User.encrypt(self.password,self.salt)
end
def password_required?
self.hashed_password.blank? || !self.password.blank?
end
def self.encrypt(string,salt)
Digest::SHA1.hexdigest(salt + string)
end
def uniqueness_of_email_from_activated_users
user = User.activated_users.find_by_email(self.email)
if user and (user.login != self.login)
self.errors.add_to_base("Email has already been taken")
end
end
def enough_time_interval_between_same_email_registrations
open_user = User.find_by_email(self.email,
:order => 'created_at DESC')
if open_user and open_user.created_at and
(open_user.created_at > Time.now.gmtime - 5.minutes)
self.errors.add_to_base("There are already unactivated registrations with this e-mail address (please wait for 5 minutes)")
end
end
end